Use both thumbnails in photos and documents.

Fixes #5602.

Telegram/SourceFiles/apiwrap.cpp

@@ -894,7 +894,7 @@ void ApiWrap::requestWallPaper(
 						data.vaccess_hash.v,
 						data.vflags.v,
 						qs(data.vslug),
-						document->thumb,
+						document->thumbnail(),
 						document
 					});
 				}

Telegram/SourceFiles/boxes/background_box.cpp

@@ -95,7 +95,7 @@ QImage PrepareScaledFromFull(
 		size);
 }
 
-QPixmap PrepareScaledFromThumb(ImagePtr thumb) {
+QPixmap PrepareScaledFromThumb(not_null<Image*> thumb) {
 	return thumb->loaded()
 		? App::pixmapFromImageInPlace(PrepareScaledFromFull(
 			thumb->original(),
@@ -315,7 +315,7 @@ void BackgroundPreviewBox::prepare() {
 	_scaled = PrepareScaledFromThumb(_paper.thumb);
 	checkLoadedDocument();
 
-	if (_paper.thumb && !_paper.thumb->loaded()) {
+	if (!_paper.thumb->loaded()) {
 		_paper.thumb->loadEvenCancelled(Data::FileOriginWallpaper(
 			_paper.id,
 			_paper.accessHash));

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -42,17 +42,17 @@ EditCaptionBox::EditCaptionBox(
 	Expects(item->media()->allowsEditCaption());
 
 	QSize dimensions;
-	ImagePtr image;
+	auto image = (Image*)nullptr;
 	DocumentData *doc = nullptr;
 
 	const auto media = item->media();
 	if (const auto photo = media->photo()) {
 		_photo = true;
-		dimensions = QSize(photo->full->width(), photo->full->height());
-		image = photo->full;
+		dimensions = QSize(photo->width(), photo->height());
+		image = photo->large();
 	} else if (const auto document = media->document()) {
 		dimensions = document->dimensions;
-		image = document->thumb;
+		image = document->thumbnail();
 		if (document->isAnimation()) {
 			_animated = true;
 		} else if (document->isVideoFile()) {
@@ -68,8 +68,8 @@ EditCaptionBox::EditCaptionBox(
 		ConvertEntitiesToTextTags(original.entities)
 	};
 
-	if (!_animated && (dimensions.isEmpty() || doc || image->isNull())) {
-		if (image->isNull()) {
+	if (!_animated && (dimensions.isEmpty() || doc || !image)) {
+		if (!image) {
 			_thumbw = 0;
 		} else {
 			int32 tw = image->width(), th = image->height();

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -63,7 +63,7 @@ private:
 
 	not_null<Window::Controller*> _controller;
 	FullMsgId _msgId;
-	ImagePtr _thumbnailImage;
+	Image *_thumbnailImage = nullptr;
 	bool _thumbnailImageLoaded = false;
 	Fn<void()> _refreshThumbnail;
 	bool _animated = false;

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -472,7 +472,7 @@ void StickerSetBox::Inner::paintEvent(QPaintEvent *e) {
 				p.setOpacity(1);
 
 			}
-			doc->checkStickerThumb();
+			doc->checkStickerSmall();
 
 			float64 coef = qMin((st::stickersSize.width() - st::buttonRadius * 2) / float64(doc->dimensions.width()), (st::stickersSize.height() - st::buttonRadius * 2) / float64(doc->dimensions.height()));
 			if (coef > 1) coef = 1;
@@ -480,7 +480,7 @@ void StickerSetBox::Inner::paintEvent(QPaintEvent *e) {
 			if (w < 1) w = 1;
 			if (h < 1) h = 1;
 			QPoint ppos = pos + QPoint((st::stickersSize.width() - w) / 2, (st::stickersSize.height() - h) / 2);
-			if (const auto image = doc->getStickerThumb()) {
+			if (const auto image = doc->getStickerSmall()) {
 				p.drawPixmapLeft(
 					ppos,
 					width(),

Telegram/SourceFiles/boxes/stickers_box.cpp

@@ -804,9 +804,11 @@ void StickersBox::Inner::paintRow(Painter &p, Row *set, int index, TimeMs ms) {
 		const auto origin = Data::FileOriginStickerSet(
 			set->id,
 			set->accessHash);
-		set->sticker->thumb->load(origin);
-		auto pix = set->sticker->thumb->pix(origin, set->pixw, set->pixh);
-		p.drawPixmapLeft(stickerx + (st::contactsPhotoSize - set->pixw) / 2, st::contactsPadding.top() + (st::contactsPhotoSize - set->pixh) / 2, width(), pix);
+		if (const auto thumb = set->sticker->thumbnail()) {
+			thumb->load(origin);
+			auto pix = thumb->pix(origin, set->pixw, set->pixh);
+			p.drawPixmapLeft(stickerx + (st::contactsPhotoSize - set->pixw) / 2, st::contactsPadding.top() + (st::contactsPhotoSize - set->pixh) / 2, width(), pix);
+		}
 	}
 
 	int namex = stickerx + st::contactsPhotoSize + st::contactsPadding.left();
@@ -1575,8 +1577,11 @@ void StickersBox::Inner::fillSetCover(const Stickers::Set &set, DocumentData **o
 	}
 	auto sticker = *outSticker = set.stickers.front();
 
-	auto pixw = sticker->thumb->width();
-	auto pixh = sticker->thumb->height();
+	const auto size = sticker->thumbnail()
+		? sticker->thumbnail()->size()
+		: QSize(1, 1);
+	auto pixw = size.width();
+	auto pixh = size.height();
 	if (pixw > st::contactsPhotoSize) {
 		if (pixw > pixh) {
 			pixh = (pixh * st::contactsPhotoSize) / pixw;
@@ -1734,7 +1739,10 @@ void StickersBox::Inner::readVisibleSets() {
 		if (i * _rowHeight < itemsVisibleTop || (i + 1) * _rowHeight > itemsVisibleBottom) {
 			continue;
 		}
-		if (!_rows[i]->sticker || _rows[i]->sticker->thumb->loaded() || _rows[i]->sticker->loaded()) {
+		if (!_rows[i]->sticker
+			|| !_rows[i]->sticker->hasThumbnail()
+			|| _rows[i]->sticker->thumbnail()->loaded()
+			|| _rows[i]->sticker->loaded()) {
 			Auth().api().readFeaturedSetDelayed(_rows[i]->id);
 		}
 	}

Telegram/SourceFiles/calls/calls_panel.cpp

@@ -503,34 +503,39 @@ void Panel::processUserPhoto() {
 		_user->loadUserpic(true);
 	}
 	const auto photo = _user->userpicPhotoId()
-		? Auth().data().photo(_user->userpicPhotoId()).get()
+		? _user->owner().photo(_user->userpicPhotoId()).get()
 		: nullptr;
 	if (isGoodUserPhoto(photo)) {
-		photo->full->load(_user->userpicPhotoOrigin(), true);
+		photo->large()->load(_user->userpicPhotoOrigin(), true);
 	} else if (_user->userpicPhotoUnknown() || (photo && !photo->date)) {
-		Auth().api().requestFullPeer(_user);
+		_user->session().api().requestFullPeer(_user);
 	}
 	refreshUserPhoto();
 }
 
 void Panel::refreshUserPhoto() {
 	const auto photo = _user->userpicPhotoId()
-		? Auth().data().photo(_user->userpicPhotoId()).get()
+		? _user->owner().photo(_user->userpicPhotoId()).get()
 		: nullptr;
 	const auto isNewPhoto = [&](not_null<PhotoData*> photo) {
-		return photo->full->loaded()
+		return photo->large()->loaded()
 			&& (photo->id != _userPhotoId || !_userPhotoFull);
 	};
 	if (isGoodUserPhoto(photo) && isNewPhoto(photo)) {
 		_userPhotoId = photo->id;
 		_userPhotoFull = true;
-		createUserpicCache(photo->full, _user->userpicPhotoOrigin());
+		createUserpicCache(
+			photo->isNull() ? nullptr : photo->large().get(),
+			_user->userpicPhotoOrigin());
 	} else if (_userPhoto.isNull()) {
-		createUserpicCache(_user->currentUserpic(), _user->userpicOrigin());
+		const auto userpic = _user->currentUserpic();
+		createUserpicCache(
+			userpic ? userpic.get() : nullptr,
+			_user->userpicOrigin());
 	}
 }
 
-void Panel::createUserpicCache(ImagePtr image, Data::FileOrigin origin) {
+void Panel::createUserpicCache(Image *image, Data::FileOrigin origin) {
 	auto size = st::callWidth * cIntRetinaFactor();
 	auto options = _useTransparency ? (Images::Option::RoundedLarge | Images::Option::RoundedTopLeft | Images::Option::RoundedTopRight | Images::Option::Smooth) : Images::Option::None;
 	if (image) {
@@ -570,14 +575,14 @@ void Panel::createUserpicCache(ImagePtr image, Data::FileOrigin origin) {
 }
 
 bool Panel::isGoodUserPhoto(PhotoData *photo) {
-	if (!photo || !photo->date) {
+	if (!photo || photo->isNull()) {
 		return false;
 	}
-	auto badAspect = [](int a, int b) {
+	const auto badAspect = [](int a, int b) {
 		return a > 10 * b;
 	};
-	auto width = photo->full->width();
-	auto height = photo->full->height();
+	const auto width = photo->width();
+	const auto height = photo->height();
 	return !badAspect(width, height) && !badAspect(height, width);
 }
 

Telegram/SourceFiles/calls/calls_panel.h

@@ -92,7 +92,7 @@ private:
 	void processUserPhoto();
 	void refreshUserPhoto();
 	bool isGoodUserPhoto(PhotoData *photo);
-	void createUserpicCache(ImagePtr image, Data::FileOrigin origin);
+	void createUserpicCache(Image *image, Data::FileOrigin origin);
 	QRect signalBarsRect() const;
 	void paintSignalBarsBg(Painter &p);
 

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -561,7 +561,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					App::roundRect(p, QRect(tl, st::stickerPanSize), st::emojiPanHover, StickerHoverCorners);
 				}
 
-				document->checkStickerThumb();
+				document->checkStickerSmall();
 
 				float64 coef = qMin((st::stickerPanSize.width() - st::buttonRadius * 2) / float64(document->dimensions.width()), (st::stickerPanSize.height() - st::buttonRadius * 2) / float64(document->dimensions.height()));
 				if (coef > 1) coef = 1;
@@ -569,7 +569,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 				if (w < 1) w = 1;
 				if (h < 1) h = 1;
 				QPoint ppos = pos + QPoint((st::stickerPanSize.width() - w) / 2, (st::stickerPanSize.height() - h) / 2);
-				if (const auto image = document->getStickerThumb()) {
+				if (const auto image = document->getStickerSmall()) {
 					p.drawPixmapLeft(ppos, width(), image->pix(document->stickerSetOrigin(), w, h));
 				}
 			}

Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp

@@ -352,11 +352,10 @@ void GifsListWidget::selectInlineResult(int row, int column) {
 
 	auto item = _rows[row].items[column];
 	if (const auto photo = item->getPhoto()) {
-		if (photo->medium->loaded() || photo->thumb->loaded()) {
+		if (photo->thumbnail()->loaded()) {
 			_photoChosen.fire_copy(photo);
-		} else if (!photo->medium->loading()) {
-			photo->thumb->loadEvenCancelled(Data::FileOrigin());
-			photo->medium->loadEvenCancelled(Data::FileOrigin());
+		} else if (!photo->thumbnail()->loading()) {
+			photo->thumbnail()->loadEvenCancelled(Data::FileOrigin());
 		}
 	} else if (const auto document = item->getDocument()) {
 		if (document->loaded()) {

Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp

@@ -259,8 +259,8 @@ void StickersListWidget::Footer::enumerateVisibleIcons(Callback callback) {
 
 void StickersListWidget::Footer::preloadImages() {
 	enumerateVisibleIcons([](const StickerIcon &icon, int x) {
-		if (auto sticker = icon.sticker) {
-			sticker->thumb->load(sticker->stickerSetOrigin());
+		if (const auto sticker = icon.sticker) {
+			sticker->loadThumbnail(sticker->stickerSetOrigin());
 		}
 	});
 }
@@ -631,10 +631,12 @@ void StickersListWidget::Footer::paintSetIcon(
 		int x) const {
 	if (icon.sticker) {
 		const auto origin = icon.sticker->stickerSetOrigin();
-		icon.sticker->thumb->load(origin);
-		auto pix = icon.sticker->thumb->pix(origin, icon.pixw, icon.pixh);
+		if (const auto thumb = icon.sticker->thumbnail()) {
+			thumb->load(origin);
+			auto pix = thumb->pix(origin, icon.pixw, icon.pixh);
 
-		p.drawPixmapLeft(x + (st::stickerIconWidth - icon.pixw) / 2, _iconsTop + (st::emojiFooterHeight - icon.pixh) / 2, width(), pix);
+			p.drawPixmapLeft(x + (st::stickerIconWidth - icon.pixw) / 2, _iconsTop + (st::emojiFooterHeight - icon.pixh) / 2, width(), pix);
+		}
 	} else if (icon.megagroup) {
 		icon.megagroup->paintUserpicLeft(p, x + (st::stickerIconWidth - st::stickerGroupCategorySize) / 2, _iconsTop + (st::emojiFooterHeight - st::stickerGroupCategorySize) / 2, width(), st::stickerGroupCategorySize);
 	} else {
@@ -753,7 +755,9 @@ void StickersListWidget::readVisibleSets() {
 		int count = qMin(set.pack.size(), _columnCount);
 		int loaded = 0;
 		for (int j = 0; j < count; ++j) {
-			if (set.pack[j]->thumb->loaded() || set.pack[j]->loaded()) {
+			if (!set.pack[j]->hasThumbnail()
+				|| set.pack[j]->thumbnail()->loaded()
+				|| set.pack[j]->loaded()) {
 				++loaded;
 			}
 		}
@@ -1339,14 +1343,14 @@ void StickersListWidget::paintSticker(Painter &p, Set &set, int y, int index, bo
 		App::roundRect(p, QRect(tl, _singleSize), st::emojiPanHover, StickerHoverCorners);
 	}
 
-	document->checkStickerThumb();
+	document->checkStickerSmall();
 
 	auto coef = qMin((_singleSize.width() - st::buttonRadius * 2) / float64(document->dimensions.width()), (_singleSize.height() - st::buttonRadius * 2) / float64(document->dimensions.height()));
 	if (coef > 1) coef = 1;
 	auto w = qMax(qRound(coef * document->dimensions.width()), 1);
 	auto h = qMax(qRound(coef * document->dimensions.height()), 1);
 	auto ppos = pos + QPoint((_singleSize.width() - w) / 2, (_singleSize.height() - h) / 2);
-	if (const auto image = document->getStickerThumb()) {
+	if (const auto image = document->getStickerSmall()) {
 		if (image->loaded()) {
 			p.drawPixmapLeft(
 				ppos,
@@ -1786,7 +1790,7 @@ void StickersListWidget::preloadImages() {
 			const auto document = sets[i].pack[j];
 			if (!document || !document->sticker()) continue;
 
-			document->checkStickerThumb();
+			document->checkStickerSmall();
 		}
 		if (k > _columnCount * (_columnCount + 1)) break;
 	}
@@ -2047,7 +2051,10 @@ void StickersListWidget::fillIcons(QList<StickerIcon> &icons) {
 		}
 		auto s = _mySets[i].pack[0];
 		auto availw = st::stickerIconWidth - 2 * st::stickerIconPadding, availh = st::emojiFooterHeight - 2 * st::stickerIconPadding;
-		auto thumbw = s->thumb->width(), thumbh = s->thumb->height(), pixw = 1, pixh = 1;
+		const auto size = s->hasThumbnail()
+			? s->thumbnail()->size()
+			: QSize();
+		auto thumbw = size.width(), thumbh = size.height(), pixw = 1, pixh = 1;
 		if (availw * thumbh > availh * thumbw) {
 			pixh = availh;
 			pixw = (pixh * thumbw) / thumbh;

Telegram/SourceFiles/data/data_document.cpp

@@ -25,7 +25,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/confirm_box.h"
 #include "ui/image/image.h"
 #include "ui/image/image_source.h"
-#include "auth_session.h"
 #include "mainwindow.h"
 #include "core/application.h"
 
@@ -318,7 +317,7 @@ void DocumentOpenClickHandler::Open(
 				auto audio = AudioMsgId(data, msgId);
 				Media::Player::mixer()->play(audio);
 				Media::Player::Updated().notify(audio);
-				data->session()->data().markMediaRead(data);
+				data->owner().markMediaRead(data);
 			}
 		} else if (playMusic) {
 			auto state = Media::Player::mixer()->currentState(AudioMsgId::Type::Song);
@@ -345,24 +344,24 @@ void DocumentOpenClickHandler::Open(
 					File::Launch(filepath);
 				}
 			}
-			data->session()->data().markMediaRead(data);
+			data->owner().markMediaRead(data);
 		} else if (data->isVoiceMessage() || data->isAudioFile() || data->isVideoFile()) {
 			const auto filepath = location.name();
 			if (Data::IsValidMediaFile(filepath)) {
 				File::Launch(filepath);
 			}
-			data->session()->data().markMediaRead(data);
+			data->owner().markMediaRead(data);
 		} else if (data->size < App::kImageSizeLimit) {
 			if (!data->data().isEmpty() && playAnimation) {
 				if (action == ActionOnLoadPlayInline && context) {
-					data->session()->data().requestAnimationPlayInline(context);
+					data->owner().requestAnimationPlayInline(context);
 				} else {
 					Core::App().showDocument(data, context);
 				}
 			} else if (location.accessEnable()) {
 				if (playAnimation || QImageReader(location.name()).canRead()) {
 					if (playAnimation && action == ActionOnLoadPlayInline && context) {
-						data->session()->data().requestAnimationPlayInline(context);
+						data->owner().requestAnimationPlayInline(context);
 					} else {
 						Core::App().showDocument(data, context);
 					}
@@ -462,13 +461,17 @@ VoiceData::~VoiceData() {
 	}
 }
 
-DocumentData::DocumentData(DocumentId id, not_null<AuthSession*> session)
+DocumentData::DocumentData(not_null<Data::Session*> owner, DocumentId id)
 : id(id)
-, _session(session) {
+, _owner(owner) {
 }
 
-not_null<AuthSession*> DocumentData::session() const {
-	return _session;
+Data::Session &DocumentData::owner() const {
+	return *_owner;
+}
+
+AuthSession &DocumentData::session() const {
+	return _owner->session();
 }
 
 void DocumentData::setattributes(const QVector<MTPDocumentAttribute> &attributes) {
@@ -581,7 +584,7 @@ bool DocumentData::checkWallPaperProperties() {
 		return true;
 	}
 	if (type != FileDocument
-		|| !thumb
+		|| !_thumbnail
 		|| !dimensions.width()
 		|| !dimensions.height()
 		|| dimensions.width() > Storage::kMaxWallPaperDimension
@@ -593,10 +596,43 @@ bool DocumentData::checkWallPaperProperties() {
 	return true;
 }
 
+void DocumentData::updateThumbnails(
+		ImagePtr thumbnailInline,
+		ImagePtr thumbnail) {
+	if (thumbnailInline && !_thumbnailInline) {
+		_thumbnailInline = thumbnailInline;
+	}
+	if (thumbnail
+		&& (!_thumbnail
+			|| (sticker()
+				&& (_thumbnail->width() < thumbnail->width()
+					|| _thumbnail->height() < thumbnail->height())))) {
+		_thumbnail = thumbnail;
+	}
+}
+
 bool DocumentData::isWallPaper() const {
 	return (type == WallPaperDocument);
 }
 
+bool DocumentData::hasThumbnail() const {
+	return !_thumbnail->isNull();
+}
+
+Image *DocumentData::thumbnailInline() const {
+	return _thumbnailInline ? _thumbnailInline.get() : nullptr;
+}
+
+Image *DocumentData::thumbnail() const {
+	return _thumbnail ? _thumbnail.get() : nullptr;
+}
+
+void DocumentData::loadThumbnail(Data::FileOrigin origin) {
+	if (_thumbnail && !_thumbnail->loaded()) {
+		_thumbnail->load(origin);
+	}
+}
+
 Storage::Cache::Key DocumentData::goodThumbnailCacheKey() const {
 	return Data::DocumentThumbCacheKey(_dc, id);
 }
@@ -645,14 +681,19 @@ bool DocumentData::saveToCache() const {
 
 void DocumentData::unload() {
 	// Forget thumb only when image cache limit exceeds.
-	//thumb->unload();
+	//
+	// Also, you can't unload() images that you don't own
+	// from the destructor, because they're already destroyed.
+	//
+	//_thumbnailInline->unload();
+	//_thumbnail->unload();
 	if (sticker()) {
 		if (sticker()->image) {
 			ActiveCache().decrement(ComputeUsage(sticker()));
 			sticker()->image = nullptr;
 		}
 	}
-	_replyPreview = nullptr;
+	_replyPreview.clear();
 	if (!_data.isEmpty()) {
 		ActiveCache().decrement(_data.size());
 		_data.clear();
@@ -737,7 +778,7 @@ void DocumentData::performActionOnLoad() {
 				}
 			} else if (Media::Player::IsStopped(state.state)) {
 				Media::Player::mixer()->play(AudioMsgId(this, _actionOnLoadMsgId));
-				_session->data().markMediaRead(this);
+				_owner->markMediaRead(this);
 			}
 		}
 	} else if (playMusic) {
@@ -758,7 +799,7 @@ void DocumentData::performActionOnLoad() {
 	} else if (playAnimation) {
 		if (loaded()) {
 			if (_actionOnLoad == ActionOnLoadPlayInline && item) {
-				_session->data().requestAnimationPlayInline(item);
+				_owner->requestAnimationPlayInline(item);
 			} else {
 				Core::App().showDocument(this, item);
 			}
@@ -773,7 +814,7 @@ void DocumentData::performActionOnLoad() {
 				if (Data::IsValidMediaFile(already)) {
 					File::Launch(already);
 				}
-				_session->data().markMediaRead(this);
+				_owner->markMediaRead(this);
 			} else if (loc.accessEnable()) {
 				if (showImage && QImageReader(loc.name()).canRead()) {
 					Core::App().showDocument(this, item);
@@ -810,14 +851,14 @@ bool DocumentData::loaded(FilePathResolveType type) const {
 						_loader->imageData()));
 				ActiveCache().increment(ComputeUsage(that->sticker()));
 			}
-			if (!that->_data.isEmpty() || that->getStickerImage()) {
+			if (!that->_data.isEmpty() || that->getStickerLarge()) {
 				ActiveCache().up(that);
 			}
 
 			that->refreshGoodThumbnail();
 			destroyLoader();
 		}
-		_session->data().notifyDocumentLayoutChanged(this);
+		_owner->notifyDocumentLayoutChanged(this);
 	}
 	return !data().isEmpty() || !filepath(type).isEmpty();
 }
@@ -962,7 +1003,7 @@ void DocumentData::save(
 	if (loading()) {
 		_loader->start();
 	}
-	_session->data().notifyDocumentLayoutChanged(this);
+	_owner->notifyDocumentLayoutChanged(this);
 }
 
 void DocumentData::cancel() {
@@ -971,7 +1012,7 @@ void DocumentData::cancel() {
 	}
 
 	destroyLoader(CancelledMtpFileLoader);
-	_session->data().notifyDocumentLayoutChanged(this);
+	_owner->notifyDocumentLayoutChanged(this);
 	App::main()->documentLoadProgress(this);
 
 	_actionOnLoad = ActionOnLoadNone;
@@ -1085,7 +1126,7 @@ bool DocumentData::isStickerSetInstalled() const {
 	Expects(sticker() != nullptr);
 
 	const auto &set = sticker()->set;
-	const auto &sets = _session->data().stickerSets();
+	const auto &sets = _owner->stickerSets();
 	switch (set.type()) {
 	case mtpc_inputStickerSetID: {
 		auto it = sets.constFind(set.c_inputStickerSetID().vid.v);
@@ -1107,25 +1148,30 @@ bool DocumentData::isStickerSetInstalled() const {
 }
 
 Image *DocumentData::getReplyPreview(Data::FileOrigin origin) {
-	if (!_replyPreview->isNull() && !thumb->isNull()) {
-		if (thumb->loaded()) {
-			int w = thumb->width(), h = thumb->height();
-			if (w <= 0) w = 1;
-			if (h <= 0) h = 1;
-			auto thumbSize = (w > h) ? QSize(w * st::msgReplyBarSize.height() / h, st::msgReplyBarSize.height()) : QSize(st::msgReplyBarSize.height(), h * st::msgReplyBarSize.height() / w);
-			thumbSize *= cIntRetinaFactor();
-			auto options = Images::Option::Smooth | (isVideoMessage() ? Images::Option::Circled : Images::Option::None) | Images::Option::TransparentBackground;
-			auto outerSize = st::msgReplyBarSize.height();
-			auto image = thumb->pixNoCache(origin, thumbSize.width(), thumbSize.height(), options, outerSize, outerSize);
-			_replyPreview = std::make_unique<Image>(
-				std::make_unique<Images::ImageSource>(
-					image.toImage(),
-					"PNG"));
-		} else {
-			thumb->load(origin);
+	if (!_thumbnail) {
+		return nullptr;
+	} else if (_replyPreview
+		&& (_replyPreview.good() || !_thumbnail->loaded())) {
+		return _replyPreview.image();
+	}
+	const auto option = isVideoMessage()
+		? Images::Option::Circled
+		: Images::Option::None;
+	if (_thumbnail->loaded()) {
+		_replyPreview.prepare(
+			_thumbnail.get(),
+			origin,
+			option);
+	} else {
+		_thumbnail->load(origin);
+		if (_thumbnailInline) {
+			_replyPreview.prepare(
+				_thumbnailInline.get(),
+				origin,
+				option | Images::Option::Blurred);
 		}
 	}
-	return _replyPreview.get();
+	return _replyPreview.image();
 }
 
 StickerData *DocumentData::sticker() const {
@@ -1134,7 +1180,7 @@ StickerData *DocumentData::sticker() const {
 		: nullptr;
 }
 
-void DocumentData::checkSticker() {
+void DocumentData::checkStickerLarge() {
 	const auto data = sticker();
 	if (!data) return;
 
@@ -1164,25 +1210,25 @@ void DocumentData::checkSticker() {
 	}
 }
 
-void DocumentData::checkStickerThumb() {
-	if (hasGoodStickerThumb()) {
-		thumb->load(stickerSetOrigin());
+void DocumentData::checkStickerSmall() {
+	if (thumbnailEnoughForSticker()) {
+		_thumbnail->load(stickerSetOrigin());
 	} else {
-		checkSticker();
+		checkStickerLarge();
 	}
 }
 
-Image *DocumentData::getStickerImage() {
-	checkSticker();
+Image *DocumentData::getStickerLarge() {
+	checkStickerLarge();
 	if (const auto data = sticker()) {
 		return data->image.get();
 	}
 	return nullptr;
 }
 
-Image *DocumentData::getStickerThumb() {
-	if (hasGoodStickerThumb()) {
-		return thumb->isNull() ? nullptr : thumb.get();
+Image *DocumentData::getStickerSmall() {
+	if (thumbnailEnoughForSticker()) {
+		return _thumbnail->isNull() ? nullptr : _thumbnail.get();
 	} else if (const auto data = sticker()) {
 		return data->image.get();
 	}
@@ -1236,8 +1282,8 @@ bool DocumentData::hasWebLocation() const {
 	return _urlLocation.dc() != 0 && _urlLocation.accessHash() != 0;
 }
 
-bool DocumentData::isValid() const {
-	return hasRemoteLocation() || hasWebLocation() || !_url.isEmpty();
+bool DocumentData::isNull() const {
+	return !hasRemoteLocation() && !hasWebLocation() && _url.isEmpty();
 }
 
 MTPInputDocument DocumentData::mtpInput() const {
@@ -1260,9 +1306,9 @@ void DocumentData::refreshFileReference(const QByteArray &value) {
 
 void DocumentData::refreshStickerThumbFileReference() {
 	if (const auto data = sticker()) {
-		if (thumb->loading()) {
+		if (_thumbnail->loading()) {
 			data->loc.refreshFileReference(
-				thumb->location().fileReference());
+				_thumbnail->location().fileReference());
 		}
 	}
 }
@@ -1407,9 +1453,9 @@ void DocumentData::recountIsImage() {
 		&& fileIsImage(filename(), mimeString());
 }
 
-bool DocumentData::hasGoodStickerThumb() const {
-	return !thumb->isNull()
-		&& ((thumb->width() >= 128) || (thumb->height() >= 128));
+bool DocumentData::thumbnailEnoughForSticker() const {
+	return !_thumbnail->isNull()
+		&& ((_thumbnail->width() >= 128) || (_thumbnail->height() >= 128));
 }
 
 void DocumentData::setRemoteLocation(
@@ -1420,7 +1466,7 @@ void DocumentData::setRemoteLocation(
 	if (_dc != dc || _access != access) {
 		_dc = dc;
 		_access = access;
-		if (isValid()) {
+		if (!isNull()) {
 			if (_location.check()) {
 				Local::writeFileLocation(mediaKey(), _location);
 			} else {
@@ -1439,10 +1485,12 @@ void DocumentData::setWebLocation(const WebFileLocation &location) {
 	_urlLocation = location;
 }
 
-void DocumentData::collectLocalData(DocumentData *local) {
-	if (local == this) return;
+void DocumentData::collectLocalData(not_null<DocumentData*> local) {
+	if (local == this) {
+		return;
+	}
 
-	_session->data().cache().copyIfEmpty(local->cacheKey(), cacheKey());
+	_owner->cache().copyIfEmpty(local->cacheKey(), cacheKey());
 	if (!local->_data.isEmpty()) {
 		ActiveCache().decrement(_data.size());
 		_data = local->_data;

Telegram/SourceFiles/data/data_document.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "data/data_types.h"
+#include "ui/image/image.h"
 
 namespace Images {
 class Source;
@@ -19,6 +20,10 @@ struct Key;
 } // namespace Cache
 } // namespace Storage
 
+namespace Data {
+class Session;
+} // namespace Data
+
 class AuthSession;
 class mtpFileLoader;
 
@@ -75,9 +80,10 @@ class Document;
 
 class DocumentData {
 public:
-	DocumentData(DocumentId id, not_null<AuthSession*> session);
+	DocumentData(not_null<Data::Session*> owner, DocumentId id);
 
-	not_null<AuthSession*> session() const;
+	[[nodiscard]] Data::Session &owner() const;
+	[[nodiscard]] AuthSession &session() const;
 
 	void setattributes(
 		const QVector<MTPDocumentAttribute> &attributes);
@@ -93,11 +99,11 @@ public:
 		FilePathResolveSaveFromData,
 		FilePathResolveSaveFromDataSilent,
 	};
-	bool loaded(
+	[[nodiscard]] bool loaded(
 		FilePathResolveType type = FilePathResolveCached) const;
-	bool loading() const;
-	QString loadingFilePath() const;
-	bool displayLoading() const;
+	[[nodiscard]] bool loading() const;
+	[[nodiscard]] QString loadingFilePath() const;
+	[[nodiscard]] bool displayLoading() const;
 	void save(
 		Data::FileOrigin origin,
 		const QString &toFile,
@@ -106,19 +112,19 @@ public:
 		LoadFromCloudSetting fromCloud = LoadFromCloudOrLocal,
 		bool autoLoading = false);
 	void cancel();
-	bool cancelled() const;
-	float64 progress() const;
-	int32 loadOffset() const;
-	bool uploading() const;
+	[[nodiscard]] bool cancelled() const;
+	[[nodiscard]] float64 progress() const;
+	[[nodiscard]] int32 loadOffset() const;
+	[[nodiscard]] bool uploading() const;
 
 	void setWaitingForAlbum();
-	bool waitingForAlbum() const;
+	[[nodiscard]] bool waitingForAlbum() const;
 
-	QByteArray data() const;
-	const FileLocation &location(bool check = false) const;
+	[[nodiscard]] QByteArray data() const;
+	[[nodiscard]] const FileLocation &location(bool check = false) const;
 	void setLocation(const FileLocation &loc);
 
-	QString filepath(
+	[[nodiscard]] QString filepath(
 		FilePathResolveType type = FilePathResolveCached,
 		bool forceSavingAs = false) const;
 
@@ -127,44 +133,50 @@ public:
 	void performActionOnLoad();
 
 	void unload();
-	Image *getReplyPreview(Data::FileOrigin origin);
+	[[nodiscard]] Image *getReplyPreview(Data::FileOrigin origin);
 
-	StickerData *sticker() const;
-	void checkSticker();
-	void checkStickerThumb();
-	Image *getStickerThumb();
-	Image *getStickerImage();
-	Data::FileOrigin stickerSetOrigin() const;
-	Data::FileOrigin stickerOrGifOrigin() const;
-	bool isStickerSetInstalled() const;
-	SongData *song();
-	const SongData *song() const;
-	VoiceData *voice();
-	const VoiceData *voice() const;
+	[[nodiscard]] StickerData *sticker() const;
+	void checkStickerLarge();
+	void checkStickerSmall();
+	[[nodiscard]] Image *getStickerSmall();
+	[[nodiscard]] Image *getStickerLarge();
+	[[nodiscard]] Data::FileOrigin stickerSetOrigin() const;
+	[[nodiscard]] Data::FileOrigin stickerOrGifOrigin() const;
+	[[nodiscard]] bool isStickerSetInstalled() const;
+	[[nodiscard]] SongData *song();
+	[[nodiscard]] const SongData *song() const;
+	[[nodiscard]] VoiceData *voice();
+	[[nodiscard]] const VoiceData *voice() const;
 
-	bool isVoiceMessage() const;
-	bool isVideoMessage() const;
-	bool isSong() const;
-	bool isAudioFile() const;
-	bool isVideoFile() const;
-	bool isAnimation() const;
-	bool isGifv() const;
-	bool isTheme() const;
-	bool isSharedMediaMusic() const;
-	int32 duration() const;
-	bool isImage() const;
+	[[nodiscard]] bool isVoiceMessage() const;
+	[[nodiscard]] bool isVideoMessage() const;
+	[[nodiscard]] bool isSong() const;
+	[[nodiscard]] bool isAudioFile() const;
+	[[nodiscard]] bool isVideoFile() const;
+	[[nodiscard]] bool isAnimation() const;
+	[[nodiscard]] bool isGifv() const;
+	[[nodiscard]] bool isTheme() const;
+	[[nodiscard]] bool isSharedMediaMusic() const;
+	[[nodiscard]] int32 duration() const;
+	[[nodiscard]] bool isImage() const;
 	void recountIsImage();
-	bool supportsStreaming() const;
+	[[nodiscard]] bool supportsStreaming() const;
 	void setData(const QByteArray &data) {
 		_data = data;
 	}
 	bool checkWallPaperProperties();
-	bool isWallPaper() const;
+	[[nodiscard]] bool isWallPaper() const;
 
-	bool hasGoodStickerThumb() const;
+	[[nodiscard]] bool hasThumbnail() const;
+	void loadThumbnail(Data::FileOrigin origin);
+	[[nodiscard]] Image *thumbnailInline() const;
+	[[nodiscard]] Image *thumbnail() const;
+	void updateThumbnails(
+		ImagePtr thumbnailInline,
+		ImagePtr thumbnail);
 
-	Image *goodThumbnail() const;
-	Storage::Cache::Key goodThumbnailCacheKey() const;
+	[[nodiscard]] Image *goodThumbnail() const;
+	[[nodiscard]] Storage::Cache::Key goodThumbnailCacheKey() const;
 	void setGoodThumbnail(QImage &&image, QByteArray &&bytes);
 	void refreshGoodThumbnail();
 	void replaceGoodThumbnail(std::unique_ptr<Images::Source> &&source);
@@ -175,11 +187,11 @@ public:
 		const QByteArray &fileReference);
 	void setContentUrl(const QString &url);
 	void setWebLocation(const WebFileLocation &location);
-	bool hasRemoteLocation() const;
-	bool hasWebLocation() const;
-	bool isValid() const;
-	MTPInputDocument mtpInput() const;
-	QByteArray fileReference() const;
+	[[nodiscard]] bool hasRemoteLocation() const;
+	[[nodiscard]] bool hasWebLocation() const;
+	[[nodiscard]] bool isNull() const;
+	[[nodiscard]] MTPInputDocument mtpInput() const;
+	[[nodiscard]] QByteArray fileReference() const;
 	void refreshFileReference(const QByteArray &value);
 	void refreshStickerThumbFileReference();
 
@@ -187,22 +199,22 @@ public:
 	// (for example for displaying an external inline bot result)
 	// and it has downloaded data, we can collect that data from it
 	// to (this) received from the server "same" document.
-	void collectLocalData(DocumentData *local);
+	void collectLocalData(not_null<DocumentData*> local);
 
-	QString filename() const;
-	QString mimeString() const;
-	bool hasMimeType(QLatin1String mime) const;
+	[[nodiscard]] QString filename() const;
+	[[nodiscard]] QString mimeString() const;
+	[[nodiscard]] bool hasMimeType(QLatin1String mime) const;
 	void setMimeString(const QString &mime);
 
-	MediaKey mediaKey() const;
-	Storage::Cache::Key cacheKey() const;
-	uint8 cacheTag() const;
+	[[nodiscard]] MediaKey mediaKey() const;
+	[[nodiscard]] Storage::Cache::Key cacheKey() const;
+	[[nodiscard]] uint8 cacheTag() const;
 
-	static QString ComposeNameString(
+	[[nodiscard]] static QString ComposeNameString(
 		const QString &filename,
 		const QString &songTitle,
 		const QString &songPerformer);
-	QString composeNameString() const;
+	[[nodiscard]] QString composeNameString() const;
 
 	~DocumentData();
 
@@ -210,7 +222,6 @@ public:
 	DocumentType type = FileDocument;
 	QSize dimensions;
 	int32 date = 0;
-	ImagePtr thumb;
 	int32 size = 0;
 
 	FileStatus status = FileReady;
@@ -225,6 +236,8 @@ private:
 
 	void destroyLoader(mtpFileLoader *newValue = nullptr) const;
 
+	[[nodiscard]] bool thumbnailEnoughForSticker() const;
+
 	// Two types of location: from MTProto by dc+access or from web by url
 	int32 _dc = 0;
 	uint64 _access = 0;
@@ -234,10 +247,12 @@ private:
 	QString _mimeString;
 	WebFileLocation _urlLocation;
 
+	ImagePtr _thumbnailInline;
+	ImagePtr _thumbnail;
 	std::unique_ptr<Image> _goodThumbnail;
-	std::unique_ptr<Image> _replyPreview;
+	Data::ReplyPreview _replyPreview;
 
-	not_null<AuthSession*> _session;
+	not_null<Data::Session*> _owner;
 
 	FileLocation _location;
 	QByteArray _data;

Telegram/SourceFiles/data/data_media_types.cpp

@@ -290,7 +290,7 @@ bool MediaPhoto::canBeGrouped() const {
 }
 
 bool MediaPhoto::hasReplyPreview() const {
-	return !_photo->thumb->isNull();
+	return !_photo->isNull();
 }
 
 Image *MediaPhoto::replyPreview() const {
@@ -378,7 +378,7 @@ bool MediaPhoto::updateSentMedia(const MTPMessageMedia &media) {
 		QByteArray bytes;
 	};
 	const auto saveImageToCache = [&](
-			const ImagePtr &image,
+			not_null<Image*> image,
 			SizeData size) {
 		Expects(size.location != nullptr);
 
@@ -435,9 +435,9 @@ bool MediaPhoto::updateSentMedia(const MTPMessageMedia &media) {
 			continue;
 		}
 		if (size.letter == 's') {
-			saveImageToCache(_photo->thumb, size);
+			saveImageToCache(_photo->thumbnailSmall(), size);
 		} else if (size.letter == 'm') {
-			saveImageToCache(_photo->medium, size);
+			saveImageToCache(_photo->thumbnail(), size);
 		} else if (size.letter == 'x' && max < 1) {
 			max = 1;
 			maxSize = size;
@@ -450,7 +450,7 @@ bool MediaPhoto::updateSentMedia(const MTPMessageMedia &media) {
 		}
 	}
 	if (maxSize.location) {
-		saveImageToCache(_photo->full, maxSize);
+		saveImageToCache(_photo->large(), maxSize);
 	}
 	return true;
 }
@@ -533,7 +533,7 @@ bool MediaFile::canBeGrouped() const {
 }
 
 bool MediaFile::hasReplyPreview() const {
-	return !_document->thumb->isNull();
+	return _document->hasThumbnail();
 }
 
 Image *MediaFile::replyPreview() const {
@@ -1017,9 +1017,9 @@ WebPageData *MediaWebPage::webpage() const {
 
 bool MediaWebPage::hasReplyPreview() const {
 	if (const auto document = MediaWebPage::document()) {
-		return !document->thumb->isNull();
+		return document->hasThumbnail();
 	} else if (const auto photo = MediaWebPage::photo()) {
-		return !photo->thumb->isNull();
+		return !photo->isNull();
 	}
 	return false;
 }
@@ -1080,9 +1080,9 @@ std::unique_ptr<Media> MediaGame::clone(not_null<HistoryItem*> parent) {
 
 bool MediaGame::hasReplyPreview() const {
 	if (const auto document = _game->document) {
-		return !document->thumb->isNull();
+		return document->hasThumbnail();
 	} else if (const auto photo = _game->photo) {
-		return !photo->thumb->isNull();
+		return !photo->isNull();
 	}
 	return false;
 }
@@ -1182,7 +1182,7 @@ const Invoice *MediaInvoice::invoice() const {
 
 bool MediaInvoice::hasReplyPreview() const {
 	if (const auto photo = _invoice.photo) {
-		return !photo->thumb->isNull();
+		return !photo->isNull();
 	}
 	return false;
 }

Telegram/SourceFiles/data/data_photo.cpp

@@ -12,49 +12,41 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/image/image.h"
 #include "ui/image/image_source.h"
 #include "mainwidget.h"
-#include "auth_session.h"
 #include "core/application.h"
 
-PhotoData::PhotoData(const PhotoId &id)
-: id(id) {
+PhotoData::PhotoData(not_null<Data::Session*> owner, PhotoId id)
+: id(id)
+, _owner(owner) {
 }
 
-PhotoData::PhotoData(
-	const PhotoId &id,
-	const uint64 &access,
-	const QByteArray &fileReference,
-	TimeId date,
-	const ImagePtr &thumb,
-	const ImagePtr &medium,
-	const ImagePtr &full)
-: id(id)
-, access(access)
-, date(date)
-, thumb(thumb)
-, medium(medium)
-, full(full) {
+Data::Session &PhotoData::owner() const {
+	return *_owner;
+}
+
+AuthSession &PhotoData::session() const {
+	return _owner->session();
 }
 
 void PhotoData::automaticLoad(
 		Data::FileOrigin origin,
 		const HistoryItem *item) {
-	full->automaticLoad(origin, item);
+	_large->automaticLoad(origin, item);
 }
 
 void PhotoData::automaticLoadSettingsChanged() {
-	full->automaticLoadSettingsChanged();
+	_large->automaticLoadSettingsChanged();
 }
 
 void PhotoData::download(Data::FileOrigin origin) {
-	full->loadEvenCancelled(origin);
-	Auth().data().notifyPhotoLayoutChanged(this);
+	_large->loadEvenCancelled(origin);
+	_owner->notifyPhotoLayoutChanged(this);
 }
 
 bool PhotoData::loaded() const {
 	bool wasLoading = loading();
-	if (full->loaded()) {
+	if (_large->loaded()) {
 		if (wasLoading) {
-			Auth().data().notifyPhotoLayoutChanged(this);
+			_owner->notifyPhotoLayoutChanged(this);
 		}
 		return true;
 	}
@@ -62,18 +54,18 @@ bool PhotoData::loaded() const {
 }
 
 bool PhotoData::loading() const {
-	return full->loading();
+	return _large->loading();
 }
 
 bool PhotoData::displayLoading() const {
-	return full->loading()
-		? full->displayLoading()
+	return _large->loading()
+		? _large->displayLoading()
 		: (uploading() && !waitingForAlbum());
 }
 
 void PhotoData::cancel() {
-	full->cancel();
-	Auth().data().notifyPhotoLayoutChanged(this);
+	_large->cancel();
+	_owner->notifyPhotoLayoutChanged(this);
 }
 
 float64 PhotoData::progress() const {
@@ -83,7 +75,7 @@ float64 PhotoData::progress() const {
 		}
 		return 0;
 	}
-	return full->progress();
+	return _large->progress();
 }
 
 void PhotoData::setWaitingForAlbum() {
@@ -97,7 +89,7 @@ bool PhotoData::waitingForAlbum() const {
 }
 
 int32 PhotoData::loadOffset() const {
-	return full->loadOffset();
+	return _large->loadOffset();
 }
 
 bool PhotoData::uploading() const {
@@ -105,43 +97,42 @@ bool PhotoData::uploading() const {
 }
 
 void PhotoData::unload() {
-	// Forget thumb only when image cache limit exceeds.
-	//thumb->unload();
-	medium->unload();
-	full->unload();
-	_replyPreview = nullptr;
+	// Forget thumbnail only when image cache limit exceeds.
+	//_thumbnailInline->unload();
+	_thumbnailSmall->unload();
+	_thumbnail->unload();
+	_large->unload();
+	_replyPreview.clear();
 }
 
 Image *PhotoData::getReplyPreview(Data::FileOrigin origin) {
-	if (!_replyPreview && !thumb->isNull()) {
-		const auto previewFromImage = [&](const ImagePtr &image) {
-			if (!image->loaded()) {
-				image->load(origin);
-				return std::unique_ptr<Image>();
-			}
-			int w = image->width(), h = image->height();
-			if (w <= 0) w = 1;
-			if (h <= 0) h = 1;
-			return std::make_unique<Image>(
-				std::make_unique<Images::ImageSource>(
-				(w > h
-					? image->pix(
-						origin,
-						w * st::msgReplyBarSize.height() / h,
-						st::msgReplyBarSize.height())
-					: image->pix(origin, st::msgReplyBarSize.height())
-					).toImage(),
-					"PNG"));
-		};
-		if (thumb->isDelayedStorageImage()
-			&& !full->isNull()
-			&& !full->isDelayedStorageImage()) {
-			_replyPreview = previewFromImage(full);
-		} else {
-			_replyPreview = previewFromImage(thumb);
+	if (_replyPreview
+		&& (_replyPreview.good() || !_thumbnailSmall->loaded())) {
+		return _replyPreview.image();
+	}
+	if (_thumbnailSmall->isDelayedStorageImage()
+		&& !_large->isNull()
+		&& !_large->isDelayedStorageImage()
+		&& _large->loaded()) {
+		_replyPreview.prepare(
+			_large.get(),
+			origin,
+			Images::Option(0));
+	} else if (_thumbnailSmall->loaded()) {
+		_replyPreview.prepare(
+			_thumbnailSmall.get(),
+			origin,
+			Images::Option(0));
+	} else {
+		_thumbnailSmall->load(origin);
+		if (_thumbnailInline) {
+			_replyPreview.prepare(
+				_thumbnailInline.get(),
+				origin,
+				Images::Option::Blurred);
 		}
 	}
-	return _replyPreview.get();
+	return _replyPreview.image();
 }
 
 MTPInputPhoto PhotoData::mtpInput() const {
@@ -151,19 +142,88 @@ MTPInputPhoto PhotoData::mtpInput() const {
 		MTP_bytes(fileReference));
 }
 
-void PhotoData::collectLocalData(PhotoData *local) {
-	if (local == this) return;
+void PhotoData::collectLocalData(not_null<PhotoData*> local) {
+	if (local == this) {
+		return;
+	}
 
-	const auto copyImage = [](const ImagePtr &src, const ImagePtr &dst) {
+	const auto copyImage = [&](const ImagePtr &src, const ImagePtr &dst) {
 		if (const auto from = src->cacheKey()) {
 			if (const auto to = dst->cacheKey()) {
-				Auth().data().cache().copyIfEmpty(*from, *to);
+				_owner->cache().copyIfEmpty(*from, *to);
 			}
 		}
 	};
-	copyImage(local->thumb, thumb);
-	copyImage(local->medium, medium);
-	copyImage(local->full, full);
+	copyImage(local->_thumbnailSmall, _thumbnailSmall);
+	copyImage(local->_thumbnail, _thumbnail);
+	copyImage(local->_large, _large);
+}
+
+bool PhotoData::isNull() const {
+	return _large->isNull();
+}
+
+void PhotoData::loadThumbnail(Data::FileOrigin origin) {
+	_thumbnail->load(origin);
+}
+
+void PhotoData::loadThumbnailSmall(Data::FileOrigin origin) {
+	_thumbnailSmall->load(origin);
+}
+
+Image *PhotoData::thumbnailInline() const {
+	return _thumbnailInline ? _thumbnailInline.get() : nullptr;
+}
+
+not_null<Image*> PhotoData::thumbnailSmall() const {
+	return _thumbnailSmall.get();
+}
+
+not_null<Image*> PhotoData::thumbnail() const {
+	return _thumbnail.get();
+}
+
+void PhotoData::load(Data::FileOrigin origin) {
+	_large->load(origin);
+}
+
+not_null<Image*> PhotoData::large() const {
+	return _large.get();
+}
+
+void PhotoData::updateImages(
+		ImagePtr thumbnailInline,
+		ImagePtr thumbnailSmall,
+		ImagePtr thumbnail,
+		ImagePtr large) {
+	if (!thumbnailSmall || !thumbnail || !large) {
+		return;
+	}
+	if (thumbnailInline && !_thumbnailInline) {
+		_thumbnailInline = thumbnailInline;
+	}
+	const auto update = [](ImagePtr &was, ImagePtr now) {
+		if (!was) {
+			was = now;
+		} else if (was->isDelayedStorageImage()) {
+			if (const auto location = now->location(); !location.isNull()) {
+				was->setDelayedStorageLocation(
+					Data::FileOrigin(),
+					location);
+			}
+		}
+	};
+	update(_thumbnailSmall, thumbnailSmall);
+	update(_thumbnail, thumbnail);
+	update(_large, large);
+}
+
+int PhotoData::width() const {
+	return _large->width();
+}
+
+int PhotoData::height() const {
+	return _large->height();
 }
 
 void PhotoOpenClickHandler::onClickImpl() const {

Telegram/SourceFiles/data/data_photo.h

@@ -9,17 +9,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "data/data_types.h"
 
+class AuthSession;
+
+namespace Data {
+class Session;
+} // namespace Data
+
 class PhotoData {
 public:
-	explicit PhotoData(const PhotoId &id);
-	PhotoData(
-		const PhotoId &id,
-		const uint64 &access,
-		const QByteArray &fileReference,
-		TimeId date,
-		const ImagePtr &thumb,
-		const ImagePtr &medium,
-		const ImagePtr &full);
+	PhotoData(not_null<Data::Session*> owner, PhotoId id);
+
+	[[nodiscard]] Data::Session &owner() const;
+	[[nodiscard]] AuthSession &session() const;
 
 	void automaticLoad(
 		Data::FileOrigin origin,
@@ -27,35 +28,53 @@ public:
 	void automaticLoadSettingsChanged();
 
 	void download(Data::FileOrigin origin);
-	bool loaded() const;
-	bool loading() const;
-	bool displayLoading() const;
+	[[nodiscard]] bool loaded() const;
+	[[nodiscard]] bool loading() const;
+	[[nodiscard]] bool displayLoading() const;
 	void cancel();
-	float64 progress() const;
-	int32 loadOffset() const;
-	bool uploading() const;
+	[[nodiscard]] float64 progress() const;
+	[[nodiscard]] int32 loadOffset() const;
+	[[nodiscard]] bool uploading() const;
 
 	void setWaitingForAlbum();
-	bool waitingForAlbum() const;
+	[[nodiscard]] bool waitingForAlbum() const;
 
 	void unload();
-	Image *getReplyPreview(Data::FileOrigin origin);
+	[[nodiscard]] Image *getReplyPreview(Data::FileOrigin origin);
 
-	MTPInputPhoto mtpInput() const;
+	[[nodiscard]] MTPInputPhoto mtpInput() const;
 
 	// When we have some client-side generated photo
 	// (for example for displaying an external inline bot result)
 	// and it has downloaded full image, we can collect image from it
 	// to (this) received from the server "same" photo.
-	void collectLocalData(PhotoData *local);
+	void collectLocalData(not_null<PhotoData*> local);
+
+	bool isNull() const;
+
+	void loadThumbnail(Data::FileOrigin origin);
+	void loadThumbnailSmall(Data::FileOrigin origin);
+	Image *thumbnailInline() const;
+	not_null<Image*> thumbnailSmall() const;
+	not_null<Image*> thumbnail() const;
+
+	void load(Data::FileOrigin origin);
+	not_null<Image*> large() const;
+
+	// For now they return size of the 'large' image.
+	int width() const;
+	int height() const;
+
+	void updateImages(
+		ImagePtr thumbnailInline,
+		ImagePtr thumbnailSmall,
+		ImagePtr thumbnail,
+		ImagePtr large);
 
 	PhotoId id = 0;
 	uint64 access = 0;
 	QByteArray fileReference;
 	TimeId date = 0;
-	ImagePtr thumb;
-	ImagePtr medium;
-	ImagePtr full;
 
 	PeerData *peer = nullptr; // for chat and channel photos connection
 	// geo, caption
@@ -63,7 +82,14 @@ public:
 	std::unique_ptr<Data::UploadState> uploadingData;
 
 private:
-	std::unique_ptr<Image> _replyPreview;
+	ImagePtr _thumbnailInline;
+	ImagePtr _thumbnailSmall;
+	ImagePtr _thumbnail;
+	ImagePtr _large;
+
+	Data::ReplyPreview _replyPreview;
+
+	not_null<Data::Session*> _owner;
 
 };
 

Telegram/SourceFiles/data/data_session.cpp

@@ -57,23 +57,10 @@ using ViewElement = HistoryView::Element;
 // b: crop 320x320
 // c: crop 640x640
 // d: crop 1280x1280
-const auto ThumbLevels = QByteArray::fromRawData("isambcxydw", 10);
-const auto MediumLevels = QByteArray::fromRawData("mbcxasydwi", 10);
-const auto FullLevels = QByteArray::fromRawData("yxwmsdcbai", 10);
-
-void UpdateImage(ImagePtr &old, ImagePtr now) {
-	if (now->isNull()) {
-		return;
-	}
-	if (old->isNull()) {
-		old = now;
-	} else if (old->isDelayedStorageImage()) {
-		const auto location = now->location();
-		if (!location.isNull()) {
-			old->setDelayedStorageLocation(Data::FileOrigin(), location);
-		}
-	}
-}
+const auto InlineLevels = QByteArray::fromRawData("i", 1);
+const auto SmallLevels = QByteArray::fromRawData("sambcxydwi", 10);
+const auto ThumbnailLevels = QByteArray::fromRawData("mbcxasydwi", 10);
+const auto LargeLevels = QByteArray::fromRawData("yxwmsdcbai", 10);
 
 void CheckForSwitchInlineButton(not_null<HistoryItem*> item) {
 	if (item->out() || !item->hasSwitchInlineButton()) {
@@ -121,22 +108,31 @@ QString ExtractUnavailableReason(const QString &restriction) {
 	return QString();
 }
 
-MTPPhotoSize FindDocumentThumb(const MTPDdocument &data) {
+MTPPhotoSize FindDocumentInlineThumbnail(const MTPDdocument &data) {
+	const auto &thumbs = data.vthumbs.v;
+	const auto i = ranges::find(
+		thumbs,
+		mtpc_photoStrippedSize,
+		&MTPPhotoSize::type);
+	return (i != thumbs.end())
+		? (*i)
+		: MTPPhotoSize(MTP_photoSizeEmpty(MTP_string("")));
+}
+
+MTPPhotoSize FindDocumentThumbnail(const MTPDdocument &data) {
 	const auto area = [](const MTPPhotoSize &size) {
-		static constexpr auto kInvalid = std::numeric_limits<int>::max();
+		static constexpr auto kInvalid = 0;
 		return size.match([](const MTPDphotoSizeEmpty &) {
 			return kInvalid;
 		}, [](const MTPDphotoStrippedSize &) {
 			return kInvalid;
 		}, [](const auto &data) {
-			return (data.vw.v >= 90 || data.vh.v >= 90)
-				? (data.vw.v * data.vh.v)
-				: kInvalid;
+			return (data.vw.v * data.vh.v);
 		});
 	};
 	const auto &thumbs = data.vthumbs.v;
-	const auto i = ranges::max_element(thumbs, std::greater<>(), area);
-	return (i != thumbs.end())
+	const auto i = ranges::max_element(thumbs, std::less<>(), area);
+	return (i != thumbs.end() && area(*i) > 0)
 		? (*i)
 		: MTPPhotoSize(MTP_photoSizeEmpty(MTP_string("")));
 }
@@ -1609,20 +1605,19 @@ void Session::checkSelfDestructItems() {
 not_null<PhotoData*> Session::photo(PhotoId id) {
 	auto i = _photos.find(id);
 	if (i == _photos.end()) {
-		i = _photos.emplace(id, std::make_unique<PhotoData>(id)).first;
+		i = _photos.emplace(
+			id,
+			std::make_unique<PhotoData>(this, id)).first;
 	}
 	return i->second.get();
 }
 
 not_null<PhotoData*> Session::processPhoto(const MTPPhoto &data) {
-	switch (data.type()) {
-	case mtpc_photo:
-		return processPhoto(data.c_photo());
-
-	case mtpc_photoEmpty:
-		return photo(data.c_photoEmpty().vid.v);
-	}
-	Unexpected("Type in Session::photo().");
+	return data.match([&](const MTPDphoto &data) {
+		return processPhoto(data);
+	}, [&](const MTPDphotoEmpty &data) {
+		return photo(data.vid.v);
+	});
 }
 
 not_null<PhotoData*> Session::processPhoto(const MTPDphoto &data) {
@@ -1634,50 +1629,44 @@ not_null<PhotoData*> Session::processPhoto(const MTPDphoto &data) {
 not_null<PhotoData*> Session::processPhoto(
 		const MTPPhoto &data,
 		const PreparedPhotoThumbs &thumbs) {
-	auto thumb = (const QImage*)nullptr;
-	auto medium = (const QImage*)nullptr;
-	auto full = (const QImage*)nullptr;
-	auto thumbLevel = -1;
-	auto mediumLevel = -1;
-	auto fullLevel = -1;
-	for (auto i = thumbs.cbegin(), e = thumbs.cend(); i != e; ++i) {
-		const auto newThumbLevel = ThumbLevels.indexOf(i.key());
-		const auto newMediumLevel = MediumLevels.indexOf(i.key());
-		const auto newFullLevel = FullLevels.indexOf(i.key());
-		if (newThumbLevel < 0 || newMediumLevel < 0 || newFullLevel < 0) {
-			continue;
-		}
-		if (thumbLevel < 0 || newThumbLevel < thumbLevel) {
-			thumbLevel = newThumbLevel;
-			thumb = &i.value();
-		}
-		if (mediumLevel < 0 || newMediumLevel < mediumLevel) {
-			mediumLevel = newMediumLevel;
-			medium = &i.value();
-		}
-		if (fullLevel < 0 || newFullLevel < fullLevel) {
-			fullLevel = newFullLevel;
-			full = &i.value();
-		}
-	}
-	if (!thumb || !medium || !full) {
-		return photo(0);
-	}
-	switch (data.type()) {
-	case mtpc_photo:
-		return photo(
-			data.c_photo().vid.v,
-			data.c_photo().vaccess_hash.v,
-			data.c_photo().vfile_reference.v,
-			data.c_photo().vdate.v,
-			Images::Create(base::duplicate(*thumb), "JPG"),
-			Images::Create(base::duplicate(*medium), "JPG"),
-			Images::Create(base::duplicate(*full), "JPG"));
+	Expects(!thumbs.empty());
 
-	case mtpc_photoEmpty:
-		return photo(data.c_photoEmpty().vid.v);
-	}
-	Unexpected("Type in Session::photo() with prepared thumbs.");
+	const auto find = [&](const QByteArray &levels) {
+		const auto kInvalidIndex = int(levels.size());
+		const auto level = [&](const auto &pair) {
+			const auto letter = pair.first;
+			const auto index = levels.indexOf(letter);
+			return (index >= 0) ? index : kInvalidIndex;
+		};
+		const auto result = ranges::max_element(
+			thumbs,
+			std::greater<>(),
+			level);
+		return (level(*result) == kInvalidIndex) ? thumbs.end() : result;
+	};
+	const auto image = [&](const QByteArray &levels) {
+		const auto i = find(levels);
+		return (i == thumbs.end())
+			? ImagePtr()
+			: Images::Create(base::duplicate(i->second), "JPG");
+	};
+	const auto thumbnailInline = image(InlineLevels);
+	const auto thumbnailSmall = image(SmallLevels);
+	const auto thumbnail = image(ThumbnailLevels);
+	const auto large = image(LargeLevels);
+	return data.match([&](const MTPDphoto &data) {
+		return photo(
+			data.vid.v,
+			data.vaccess_hash.v,
+			data.vfile_reference.v,
+			data.vdate.v,
+			thumbnailInline,
+			thumbnailSmall,
+			thumbnail,
+			large);
+	}, [&](const MTPDphotoEmpty &data) {
+		return photo(data.vid.v);
+	});
 }
 
 not_null<PhotoData*> Session::photo(
@@ -1685,31 +1674,29 @@ not_null<PhotoData*> Session::photo(
 		const uint64 &access,
 		const QByteArray &fileReference,
 		TimeId date,
-		const ImagePtr &thumb,
-		const ImagePtr &medium,
-		const ImagePtr &full) {
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnailSmall,
+		const ImagePtr &thumbnail,
+		const ImagePtr &large) {
 	const auto result = photo(id);
 	photoApplyFields(
 		result,
 		access,
 		fileReference,
 		date,
-		thumb,
-		medium,
-		full);
+		thumbnailInline,
+		thumbnailSmall,
+		thumbnail,
+		large);
 	return result;
 }
 
 void Session::photoConvert(
 		not_null<PhotoData*> original,
 		const MTPPhoto &data) {
-	const auto id = [&] {
-		switch (data.type()) {
-		case mtpc_photo: return data.c_photo().vid.v;
-		case mtpc_photoEmpty: return data.c_photoEmpty().vid.v;
-		}
-		Unexpected("Type in Session::photoConvert().");
-	}();
+	const auto id = data.match([](const auto &data) {
+		return data.vid.v;
+	});
 	if (original->id != id) {
 		auto i = _photos.find(id);
 		if (i == _photos.end()) {
@@ -1732,23 +1719,26 @@ void Session::photoConvert(
 
 PhotoData *Session::photoFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumb,
+		ImagePtr thumbnailSmall,
 		bool willBecomeNormal) {
-	const auto full = Images::Create(data);
-	if (full->isNull()) {
+	const auto large = Images::Create(data);
+	const auto thumbnailInline = ImagePtr();
+	if (large->isNull()) {
 		return nullptr;
 	}
-	auto medium = ImagePtr();
+	auto thumbnail = large;
 	if (willBecomeNormal) {
-		const auto width = full->width();
-		const auto height = full->height();
-		if (thumb->isNull()) {
+		const auto width = large->width();
+		const auto height = large->height();
+		if (thumbnailSmall->isNull()) {
 			auto thumbsize = shrinkToKeepAspect(width, height, 100, 100);
-			thumb = Images::Create(thumbsize.width(), thumbsize.height());
+			thumbnailSmall = Images::Create(thumbsize.width(), thumbsize.height());
 		}
 
 		auto mediumsize = shrinkToKeepAspect(width, height, 320, 320);
-		medium = Images::Create(mediumsize.width(), mediumsize.height());
+		thumbnail = Images::Create(mediumsize.width(), mediumsize.height());
+	} else if (thumbnailSmall->isNull()) {
+		thumbnailSmall = large;
 	}
 
 	return photo(
@@ -1756,9 +1746,10 @@ PhotoData *Session::photoFromWeb(
 		uint64(0),
 		QByteArray(),
 		unixtime(),
-		thumb,
-		medium,
-		full);
+		thumbnailInline,
+		thumbnailSmall,
+		thumbnail,
+		large);
 }
 
 void Session::photoApplyFields(
@@ -1772,48 +1763,42 @@ void Session::photoApplyFields(
 void Session::photoApplyFields(
 		not_null<PhotoData*> photo,
 		const MTPDphoto &data) {
-	auto thumb = (const MTPPhotoSize*)nullptr;
-	auto medium = (const MTPPhotoSize*)nullptr;
-	auto full = (const MTPPhotoSize*)nullptr;
-	auto thumbLevel = -1;
-	auto mediumLevel = -1;
-	auto fullLevel = -1;
-	for (const auto &sizeData : data.vsizes.v) {
-		const auto sizeLetter = sizeData.match([](MTPDphotoSizeEmpty) {
-			return char(0);
-		}, [](const auto &size) {
-			return size.vtype.v.isEmpty() ? char(0) : size.vtype.v[0];
-		});
-		if (!sizeLetter) continue;
-
-		const auto newThumbLevel = ThumbLevels.indexOf(sizeLetter);
-		const auto newMediumLevel = MediumLevels.indexOf(sizeLetter);
-		const auto newFullLevel = FullLevels.indexOf(sizeLetter);
-		if (newThumbLevel < 0 || newMediumLevel < 0 || newFullLevel < 0) {
-			continue;
-		}
-		if (thumbLevel < 0 || newThumbLevel < thumbLevel) {
-			thumbLevel = newThumbLevel;
-			thumb = &sizeData;
-		}
-		if (mediumLevel < 0 || newMediumLevel < mediumLevel) {
-			mediumLevel = newMediumLevel;
-			medium = &sizeData;
-		}
-		if (fullLevel < 0 || newFullLevel < fullLevel) {
-			fullLevel = newFullLevel;
-			full = &sizeData;
-		}
-	}
-	if (thumb && medium && full) {
+	const auto &sizes = data.vsizes.v;
+	const auto find = [&](const QByteArray &levels) {
+		const auto kInvalidIndex = int(levels.size());
+		const auto level = [&](const MTPPhotoSize &size) {
+			const auto letter = size.match([](const MTPDphotoSizeEmpty &) {
+				return char(0);
+			}, [](const auto &size) {
+				return size.vtype.v.isEmpty() ? char(0) : size.vtype.v[0];
+			});
+			const auto index = levels.indexOf(letter);
+			return (index >= 0) ? index : kInvalidIndex;
+		};
+		const auto result = ranges::max_element(
+			sizes,
+			std::greater<>(),
+			level);
+		return (level(*result) == kInvalidIndex) ? sizes.end() : result;
+	};
+	const auto image = [&](const QByteArray &levels) {
+		const auto i = find(levels);
+		return (i == sizes.end()) ? ImagePtr() : App::image(*i);
+	};
+	const auto thumbnailInline = image(InlineLevels);
+	const auto thumbnailSmall = image(SmallLevels);
+	const auto thumbnail = image(ThumbnailLevels);
+	const auto large = image(LargeLevels);
+	if (thumbnailSmall && thumbnail && large) {
 		photoApplyFields(
 			photo,
 			data.vaccess_hash.v,
 			data.vfile_reference.v,
 			data.vdate.v,
-			App::image(*thumb),
-			App::image(*medium),
-			App::image(*full));
+			thumbnailInline,
+			thumbnailSmall,
+			thumbnail,
+			large);
 	}
 }
 
@@ -1822,18 +1807,21 @@ void Session::photoApplyFields(
 		const uint64 &access,
 		const QByteArray &fileReference,
 		TimeId date,
-		const ImagePtr &thumb,
-		const ImagePtr &medium,
-		const ImagePtr &full) {
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnailSmall,
+		const ImagePtr &thumbnail,
+		const ImagePtr &large) {
 	if (!date) {
 		return;
 	}
 	photo->access = access;
 	photo->fileReference = fileReference;
 	photo->date = date;
-	UpdateImage(photo->thumb, thumb);
-	UpdateImage(photo->medium, medium);
-	UpdateImage(photo->full, full);
+	photo->updateImages(
+		thumbnailInline,
+		thumbnailSmall,
+		thumbnail,
+		large);
 }
 
 not_null<DocumentData*> Session::document(DocumentId id) {
@@ -1841,7 +1829,7 @@ not_null<DocumentData*> Session::document(DocumentId id) {
 	if (i == _documents.cend()) {
 		i = _documents.emplace(
 			id,
-			std::make_unique<DocumentData>(id, _session)).first;
+			std::make_unique<DocumentData>(this, id)).first;
 	}
 	return i->second.get();
 }
@@ -1879,6 +1867,7 @@ not_null<DocumentData*> Session::processDocument(
 			fields.vdate.v,
 			fields.vattributes.v,
 			qs(fields.vmime_type),
+			ImagePtr(),
 			Images::Create(std::move(thumb), "JPG"),
 			fields.vdc_id.v,
 			fields.vsize.v,
@@ -1895,7 +1884,8 @@ not_null<DocumentData*> Session::document(
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumb,
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnail,
 		int32 dc,
 		int32 size,
 		const StorageImageLocation &thumbLocation) {
@@ -1907,7 +1897,8 @@ not_null<DocumentData*> Session::document(
 		date,
 		attributes,
 		mime,
-		thumb,
+		thumbnailInline,
+		thumbnail,
 		dc,
 		size,
 		thumbLocation);
@@ -1979,6 +1970,7 @@ DocumentData *Session::documentFromWeb(
 		unixtime(),
 		data.vattributes.v,
 		data.vmime_type.v,
+		ImagePtr(),
 		thumb,
 		MTP::maindc(),
 		int32(0), // data.vsize.v
@@ -2000,6 +1992,7 @@ DocumentData *Session::documentFromWeb(
 		unixtime(),
 		data.vattributes.v,
 		data.vmime_type.v,
+		ImagePtr(),
 		thumb,
 		MTP::maindc(),
 		int32(0), // data.vsize.v
@@ -2019,7 +2012,8 @@ void Session::documentApplyFields(
 void Session::documentApplyFields(
 		not_null<DocumentData*> document,
 		const MTPDdocument &data) {
-	const auto thumb = FindDocumentThumb(data);
+	const auto thumbnailInline = FindDocumentInlineThumbnail(data);
+	const auto thumbnail = FindDocumentThumbnail(data);
 	documentApplyFields(
 		document,
 		data.vaccess_hash.v,
@@ -2027,10 +2021,11 @@ void Session::documentApplyFields(
 		data.vdate.v,
 		data.vattributes.v,
 		qs(data.vmime_type),
-		App::image(thumb),
+		App::image(thumbnailInline),
+		App::image(thumbnail),
 		data.vdc_id.v,
 		data.vsize.v,
-		StorageImageLocation::FromMTP(thumb));
+		StorageImageLocation::FromMTP(thumbnail));
 }
 
 void Session::documentApplyFields(
@@ -2040,7 +2035,8 @@ void Session::documentApplyFields(
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumb,
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnail,
 		int32 dc,
 		int32 size,
 		const StorageImageLocation &thumbLocation) {
@@ -2053,13 +2049,7 @@ void Session::documentApplyFields(
 	}
 	document->date = date;
 	document->setMimeString(mime);
-	if (!thumb->isNull()
-		&& (document->thumb->isNull()
-			|| (document->sticker()
-				&& (document->thumb->width() < thumb->width()
-					|| document->thumb->height() < thumb->height())))) {
-		document->thumb = thumb;
-	}
+	document->updateThumbnails(thumbnailInline, thumbnail);
 	document->size = size;
 	document->recountIsImage();
 	if (document->sticker()
@@ -3085,7 +3075,7 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 			0ULL, // access_hash
 			MTPDwallPaper::Flags(0),
 			QString(), // slug
-			defaultBackground
+			defaultBackground.get()
 		});
 	}
 	const auto oldBackground = Images::Create(
@@ -3097,7 +3087,7 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 			0ULL, // access_hash
 			MTPDwallPaper::Flags(0),
 			QString(), // slug
-			oldBackground
+			oldBackground.get()
 		});
 	}
 	for (const auto &paper : data) {
@@ -3109,7 +3099,7 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 					paper.vaccess_hash.v,
 					paper.vflags.v,
 					qs(paper.vslug),
-					document->thumb,
+					document->thumbnail(),
 					document,
 				});
 			}

Telegram/SourceFiles/data/data_session.h

@@ -342,15 +342,16 @@ public:
 		const uint64 &access,
 		const QByteArray &fileReference,
 		TimeId date,
-		const ImagePtr &thumb,
-		const ImagePtr &medium,
-		const ImagePtr &full);
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnailSmall,
+		const ImagePtr &thumbnail,
+		const ImagePtr &large);
 	void photoConvert(
 		not_null<PhotoData*> original,
 		const MTPPhoto &data);
 	[[nodiscard]] PhotoData *photoFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumb = ImagePtr(),
+		ImagePtr thumbnailSmall = ImagePtr(),
 		bool willBecomeNormal = false);
 
 	[[nodiscard]] not_null<DocumentData*> document(DocumentId id);
@@ -366,7 +367,8 @@ public:
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumb,
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnail,
 		int32 dc,
 		int32 size,
 		const StorageImageLocation &thumbLocation);
@@ -571,9 +573,10 @@ private:
 		const uint64 &access,
 		const QByteArray &fileReference,
 		TimeId date,
-		const ImagePtr &thumb,
-		const ImagePtr &medium,
-		const ImagePtr &full);
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnailSmall,
+		const ImagePtr &thumbnail,
+		const ImagePtr &large);
 
 	void documentApplyFields(
 		not_null<DocumentData*> document,
@@ -588,7 +591,8 @@ private:
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumb,
+		const ImagePtr &thumbnailInline,
+		const ImagePtr &thumbnail,
 		int32 dc,
 		int32 size,
 		const StorageImageLocation &thumbLocation);

Telegram/SourceFiles/data/data_types.cpp

@@ -8,6 +8,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_types.h"
 
 #include "data/data_document.h"
+#include "data/data_file_origin.h"
+#include "ui/image/image_source.h"
 #include "ui/widgets/input_fields.h"
 #include "storage/cache/storage_cache_types.h"
 #include "base/openssl_help.h"
@@ -30,6 +32,20 @@ constexpr auto kGeoPointCacheMask = 0x000000FFFFFFFFFFULL;
 
 } // namespace
 
+struct ReplyPreview::Data {
+	Data(std::unique_ptr<Images::Source> &&source, bool good);
+
+	Image image;
+	bool good = false;
+};
+
+ReplyPreview::Data::Data(
+	std::unique_ptr<Images::Source> &&source,
+	bool good)
+: image(std::move(source))
+, good(good) {
+}
+
 Storage::Cache::Key DocumentCacheKey(int32 dcId, uint64 id) {
 	return Storage::Cache::Key{
 		Data::kDocumentCacheTag | (uint64(dcId) & Data::kDocumentCacheMask),
@@ -98,6 +114,63 @@ Storage::Cache::Key GeoPointCacheKey(const GeoPointLocation &location) {
 	};
 }
 
+ReplyPreview::ReplyPreview() = default;
+
+ReplyPreview::ReplyPreview(ReplyPreview &&other) = default;
+
+ReplyPreview &ReplyPreview::operator=(ReplyPreview &&other) = default;
+
+ReplyPreview::~ReplyPreview() = default;
+
+void ReplyPreview::prepare(
+		not_null<Image*> image,
+		FileOrigin origin,
+		Images::Options options) {
+	int w = image->width(), h = image->height();
+	if (w <= 0) w = 1;
+	if (h <= 0) h = 1;
+	auto thumbSize = (w > h)
+		? QSize(
+			w * st::msgReplyBarSize.height() / h,
+			st::msgReplyBarSize.height())
+		: QSize(
+			st::msgReplyBarSize.height(),
+			h * st::msgReplyBarSize.height() / w);
+	thumbSize *= cIntRetinaFactor();
+	const auto prepareOptions = Images::Option::Smooth
+		| Images::Option::TransparentBackground
+		| options;
+	auto outerSize = st::msgReplyBarSize.height();
+	auto bitmap = image->pixNoCache(
+		origin,
+		thumbSize.width(),
+		thumbSize.height(),
+		prepareOptions,
+		outerSize,
+		outerSize);
+	_data = std::make_unique<ReplyPreview::Data>(
+		std::make_unique<Images::ImageSource>(
+			bitmap.toImage(),
+			"PNG"),
+		((options & Images::Option::Blurred) == 0));
+}
+
+void ReplyPreview::clear() {
+	_data = nullptr;
+}
+
+Image *ReplyPreview::image() const {
+	return _data ? &_data->image : nullptr;
+}
+
+bool ReplyPreview::good() const {
+	return !empty() && _data->good;
+}
+
+bool ReplyPreview::empty() const {
+	return !_data;
+}
+
 } // namespace Data
 
 void AudioMsgId::setTypeFromAudio() {

Telegram/SourceFiles/data/data_types.h

@@ -23,6 +23,11 @@ namespace Ui {
 class InputField;
 } // namespace Ui
 
+namespace Images {
+enum class Option;
+using Options = base::flags<Option>;
+} // namespace Images
+
 class StorageImageLocation;
 class WebFileLocation;
 struct GeoPointLocation;
@@ -50,6 +55,35 @@ constexpr auto kVoiceMessageCacheTag = uint8(0x03);
 constexpr auto kVideoMessageCacheTag = uint8(0x04);
 constexpr auto kAnimationCacheTag = uint8(0x05);
 
+struct FileOrigin;
+
+class ReplyPreview {
+public:
+	ReplyPreview();
+	ReplyPreview(ReplyPreview &&other);
+	ReplyPreview &operator=(ReplyPreview &&other);
+	~ReplyPreview();
+
+	void prepare(
+		not_null<Image*> image,
+		FileOrigin origin,
+		Images::Options options);
+	void clear();
+
+	[[nodiscard]] Image *image() const;
+	[[nodiscard]] bool good() const;
+	[[nodiscard]] bool empty() const;
+
+	[[nodiscard]] explicit operator bool() const {
+		return !empty();
+	}
+
+private:
+	struct Data;
+	std::unique_ptr<Data> _data;
+
+};
+
 } // namespace Data
 
 struct MessageGroupId {
@@ -273,7 +307,7 @@ using PollId = uint64;
 using WallPaperId = uint64;
 constexpr auto CancelledWebPageId = WebPageId(0xFFFFFFFFFFFFFFFFULL);
 
-using PreparedPhotoThumbs = QMap<char, QImage>;
+using PreparedPhotoThumbs = base::flat_map<char, QImage>;
 
 // [0] == -1 -- counting, [0] == -2 -- could not count
 using VoiceWaveform = QVector<signed char>;

Telegram/SourceFiles/data/data_web_page.cpp

@@ -63,7 +63,7 @@ WebPageCollage ExtractCollage(
 	for (const auto &item : items) {
 		const auto good = item.match([&](const MTPDpageBlockPhoto &data) {
 			const auto photo = storage.photo(data.vphoto_id.v);
-			if (photo->full->isNull()) {
+			if (photo->isNull()) {
 				return false;
 			}
 			result.items.push_back(photo);
@@ -231,12 +231,12 @@ void WebPageData::replaceDocumentGoodThumbnail() {
 	if (!document || !photo || !document->goodThumbnail()) {
 		return;
 	}
-	const auto &location = photo->full->location();
+	const auto &location = photo->large()->location();
 	if (!location.isNull()) {
 		document->replaceGoodThumbnail(
 			std::make_unique<Images::StorageSource>(
 				location,
-				photo->full->bytesSize()));
+				photo->large()->bytesSize()));
 	}
 
 }

Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp

@@ -1074,7 +1074,7 @@ void InnerWidget::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
 }
 
 void InnerWidget::savePhotoToFile(PhotoData *photo) {
-	if (!photo || !photo->date || !photo->loaded()) {
+	if (!photo || photo->isNull() || !photo->loaded()) {
 		return;
 	}
 
@@ -1086,7 +1086,7 @@ void InnerWidget::savePhotoToFile(PhotoData *photo) {
 		filedialogDefaultName(qsl("photo"), qsl(".jpg")),
 		crl::guard(this, [=](const QString &result) {
 			if (!result.isEmpty()) {
-				photo->full->pix(Data::FileOrigin()).toImage().save(result, "JPG");
+				photo->large()->original().save(result, "JPG");
 			}
 		}));
 }
@@ -1096,9 +1096,9 @@ void InnerWidget::saveDocumentToFile(DocumentData *document) {
 }
 
 void InnerWidget::copyContextImage(PhotoData *photo) {
-	if (!photo || !photo->date || !photo->loaded()) return;
+	if (!photo || photo->isNull() || !photo->loaded()) return;
 
-	QApplication::clipboard()->setPixmap(photo->full->pix(Data::FileOrigin()));
+	QApplication::clipboard()->setImage(photo->large()->original());
 }
 
 void InnerWidget::copySelectedText() {

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -1771,7 +1771,7 @@ void HistoryInner::copySelectedText() {
 }
 
 void HistoryInner::savePhotoToFile(not_null<PhotoData*> photo) {
-	if (!photo->date || !photo->loaded()) return;
+	if (photo->isNull() || !photo->loaded()) return;
 
 	auto filter = qsl("JPEG Image (*.jpg);;") + FileDialog::AllFilesFilter();
 	FileDialog::GetWritePath(
@@ -1783,15 +1783,15 @@ void HistoryInner::savePhotoToFile(not_null<PhotoData*> photo) {
 			qsl(".jpg")),
 		crl::guard(this, [=](const QString &result) {
 			if (!result.isEmpty()) {
-				photo->full->pix(Data::FileOrigin()).toImage().save(result, "JPG");
+				photo->large()->original().save(result, "JPG");
 			}
 		}));
 }
 
 void HistoryInner::copyContextImage(not_null<PhotoData*> photo) {
-	if (!photo->date || !photo->loaded()) return;
+	if (photo->isNull() || !photo->loaded()) return;
 
-	QApplication::clipboard()->setPixmap(photo->full->pix(Data::FileOrigin()));
+	QApplication::clipboard()->setImage(photo->large()->original());
 }
 
 void HistoryInner::showStickerPackInfo(not_null<DocumentData*> document) {

Telegram/SourceFiles/history/history_widget.cpp

@@ -6361,7 +6361,7 @@ void HistoryWidget::drawField(Painter &p, const QRect &rect) {
 	if (drawWebPagePreview) {
 		auto previewLeft = st::historyReplySkip + st::webPageLeft;
 		p.fillRect(st::historyReplySkip, backy + st::msgReplyPadding.top(), st::webPageBar, st::msgReplyBarSize.height(), st::msgInReplyBarColor);
-		if ((_previewData->photo && !_previewData->photo->thumb->isNull()) || (_previewData->document && !_previewData->document->thumb->isNull())) {
+		if ((_previewData->photo && !_previewData->photo->isNull()) || (_previewData->document && _previewData->document->hasThumbnail())) {
 			const auto preview = _previewData->photo
 				? _previewData->photo->getReplyPreview(Data::FileOrigin())
 				: _previewData->document->getReplyPreview(Data::FileOrigin());

Telegram/SourceFiles/history/media/history_media_document.cpp

@@ -69,12 +69,13 @@ void HistoryDocument::createComponents(bool caption) {
 		mask |= HistoryDocumentVoice::Bit();
 	} else {
 		mask |= HistoryDocumentNamed::Bit();
-		if (!_data->isSong()
-			&& !_data->thumb->isNull()
-			&& _data->thumb->width()
-			&& _data->thumb->height()
-			&& !Data::IsExecutableName(_data->filename())) {
-			mask |= HistoryDocumentThumbed::Bit();
+		if (const auto thumb = _data->thumbnail()) {
+			if (!_data->isSong()
+				&& thumb->width()
+				&& thumb->height()
+				&& !Data::IsExecutableName(_data->filename())) {
+				mask |= HistoryDocumentThumbed::Bit();
+			}
 		}
 	}
 	if (caption) {
@@ -117,9 +118,9 @@ QSize HistoryDocument::countOptimalSize() {
 	}
 	auto thumbed = Get<HistoryDocumentThumbed>();
 	if (thumbed) {
-		_data->thumb->load(_realParent->fullId());
-		auto tw = ConvertScale(_data->thumb->width());
-		auto th = ConvertScale(_data->thumb->height());
+		_data->loadThumbnail(_realParent->fullId());
+		auto tw = ConvertScale(_data->thumbnail()->width());
+		auto th = ConvertScale(_data->thumbnail()->height());
 		if (tw > th) {
 			thumbed->_thumbw = (tw * st::msgFileThumbSize) / th;
 		} else {
@@ -232,10 +233,12 @@ void HistoryDocument::draw(Painter &p, const QRect &r, TextSelection selection,
 		auto roundRadius = inWebPage ? ImageRoundRadius::Small : ImageRoundRadius::Large;
 		QRect rthumb(rtlrect(st::msgFileThumbPadding.left(), st::msgFileThumbPadding.top() - topMinus, st::msgFileThumbSize, st::msgFileThumbSize, width()));
 		QPixmap thumb;
-		if (loaded) {
-			thumb = _data->thumb->pixSingle(_realParent->fullId(), thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize, roundRadius);
-		} else {
-			thumb = _data->thumb->pixBlurredSingle(_realParent->fullId(), thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize, roundRadius);
+		if (const auto normal = _data->thumbnail()) {
+			if (normal->loaded()) {
+				thumb = normal->pixSingle(_realParent->fullId(), thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize, roundRadius);
+			} else if (const auto blurred = _data->thumbnailInline()) {
+				thumb = blurred->pixBlurredSingle(_realParent->fullId(), thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize, roundRadius);
+			}
 		}
 		p.drawPixmap(rthumb.topLeft(), thumb);
 		if (selected) {
@@ -528,7 +531,7 @@ TextState HistoryDocument::textState(QPoint point, StateRequest request) const {
 			painth -= st::msgPadding.bottom();
 		}
 	}
-	if (QRect(0, 0, width(), painth).contains(point) && !_data->loading() && !_data->uploading() && _data->isValid()) {
+	if (QRect(0, 0, width(), painth).contains(point) && !_data->loading() && !_data->uploading() && !_data->isNull()) {
 		result.link = _openl;
 		return result;
 	}

Telegram/SourceFiles/history/media/history_media_gif.cpp

@@ -56,7 +56,7 @@ HistoryGif::HistoryGif(
 	setStatusSize(FileStatusSizeReady);
 
 	_caption = createCaption(item);
-	_data->thumb->load(item->fullId());
+	_data->loadThumbnail(item->fullId());
 }
 
 QSize HistoryGif::countOptimalSize() {
@@ -89,8 +89,8 @@ QSize HistoryGif::countOptimalSize() {
 	} else {
 		tw = ConvertScale(_data->dimensions.width()), th = ConvertScale(_data->dimensions.height());
 		if (!tw || !th) {
-			tw = ConvertScale(_data->thumb->width());
-			th = ConvertScale(_data->thumb->height());
+			tw = ConvertScale(_data->thumbnail()->width());
+			th = ConvertScale(_data->thumbnail()->height());
 		}
 	}
 	const auto maxSize = _data->isVideoMessage()
@@ -147,8 +147,8 @@ QSize HistoryGif::countCurrentSize(int newWidth) {
 	} else {
 		tw = ConvertScale(_data->dimensions.width()), th = ConvertScale(_data->dimensions.height());
 		if (!tw || !th) {
-			tw = ConvertScale(_data->thumb->width());
-			th = ConvertScale(_data->thumb->height());
+			tw = ConvertScale(_data->thumbnail()->width());
+			th = ConvertScale(_data->thumbnail()->height());
 		}
 	}
 	const auto maxSize = _data->isVideoMessage()
@@ -347,7 +347,13 @@ void HistoryGif::draw(Painter &p, const QRect &r, TextSelection selection, TimeM
 			if (good) {
 				good->load({});
 			}
-			p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(_realParent->fullId(), _thumbw, _thumbh, usew, painth, roundRadius, roundCorners));
+			if (const auto normal = _data->thumbnail()) {
+				if (normal->loaded()) {
+					p.drawPixmap(rthumb.topLeft(), _data->thumbnail()->pixSingle(_realParent->fullId(), _thumbw, _thumbh, usew, painth, roundRadius, roundCorners));
+				} else if (const auto blurred = _data->thumbnailInline()) {
+					p.drawPixmap(rthumb.topLeft(), blurred->pixBlurredSingle(_realParent->fullId(), _thumbw, _thumbh, usew, painth, roundRadius, roundCorners));
+				}
+			}
 		}
 	}
 

Telegram/SourceFiles/history/media/history_media_photo.cpp

@@ -59,7 +59,11 @@ void HistoryPhoto::create(FullMsgId contextId, PeerData *chat) {
 		std::make_shared<PhotoOpenClickHandler>(_data, contextId, chat),
 		std::make_shared<PhotoSaveClickHandler>(_data, contextId, chat),
 		std::make_shared<PhotoCancelClickHandler>(_data, contextId, chat));
-	_data->thumb->load(contextId);
+	if (!_data->thumbnailInline()
+		&& !_data->loaded()
+		&& !_data->thumbnail()->loaded()) {
+		_data->thumbnailSmall()->load(contextId);
+	}
 }
 
 QSize HistoryPhoto::countOptimalSize() {
@@ -74,8 +78,8 @@ QSize HistoryPhoto::countOptimalSize() {
 	auto maxWidth = 0;
 	auto minHeight = 0;
 
-	auto tw = ConvertScale(_data->full->width());
-	auto th = ConvertScale(_data->full->height());
+	auto tw = ConvertScale(_data->width());
+	auto th = ConvertScale(_data->height());
 	if (!tw || !th) {
 		tw = th = 1;
 	}
@@ -106,7 +110,7 @@ QSize HistoryPhoto::countOptimalSize() {
 }
 
 QSize HistoryPhoto::countCurrentSize(int newWidth) {
-	int tw = ConvertScale(_data->full->width()), th = ConvertScale(_data->full->height());
+	int tw = ConvertScale(_data->width()), th = ConvertScale(_data->height());
 	if (tw > st::maxMediaSize) {
 		th = (st::maxMediaSize * th) / tw;
 		tw = st::maxMediaSize;
@@ -169,9 +173,19 @@ void HistoryPhoto::draw(Painter &p, const QRect &r, TextSelection selection, Tim
 
 	auto rthumb = rtlrect(paintx, painty, paintw, painth, width());
 	if (_serviceWidth > 0) {
-		const auto pix = loaded
-			? _data->full->pixCircled(_realParent->fullId(), _pixw, _pixh)
-			: _data->thumb->pixBlurredCircled(_realParent->fullId(), _pixw, _pixh);
+		const auto pix = [&] {
+			if (loaded) {
+				return _data->large()->pixCircled(_realParent->fullId(), _pixw, _pixh);
+			} else if (_data->thumbnail()->loaded()) {
+				return _data->thumbnail()->pixBlurredCircled(_realParent->fullId(), _pixw, _pixh);
+			} else if (_data->thumbnailSmall()->loaded()) {
+				return _data->thumbnailSmall()->pixBlurredCircled(_realParent->fullId(), _pixw, _pixh);
+			} else if (const auto blurred = _data->thumbnailInline()) {
+				return blurred->pixBlurredCircled(_realParent->fullId(), _pixw, _pixh);
+			} else {
+				return QPixmap();
+			}
+		}();
 		p.drawPixmap(rthumb.topLeft(), pix);
 	} else {
 		if (bubble) {
@@ -189,9 +203,19 @@ void HistoryPhoto::draw(Painter &p, const QRect &r, TextSelection selection, Tim
 		auto roundRadius = inWebPage ? ImageRoundRadius::Small : ImageRoundRadius::Large;
 		auto roundCorners = inWebPage ? RectPart::AllCorners : ((isBubbleTop() ? (RectPart::TopLeft | RectPart::TopRight) : RectPart::None)
 			| ((isBubbleBottom() && _caption.isEmpty()) ? (RectPart::BottomLeft | RectPart::BottomRight) : RectPart::None));
-		const auto pix = loaded
-			? _data->full->pixSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners)
-			: _data->thumb->pixBlurredSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners);
+		const auto pix = [&] {
+			if (loaded) {
+				return _data->large()->pixSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners);
+			} else if (_data->thumbnail()->loaded()) {
+				return _data->thumbnail()->pixBlurredSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners);
+			} else if (_data->thumbnailSmall()->loaded()) {
+				return _data->thumbnailSmall()->pixBlurredSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners);
+			} else if (const auto blurred = _data->thumbnailInline()) {
+				return blurred->pixBlurredSingle(_realParent->fullId(), _pixw, _pixh, paintw, painth, roundRadius, roundCorners);
+			} else {
+				return QPixmap();
+			}
+		}();
 		p.drawPixmap(rthumb.topLeft(), pix);
 		if (selected) {
 			App::complexOverlayRect(p, rthumb, roundRadius, roundCorners);
@@ -224,7 +248,7 @@ void HistoryPhoto::draw(Painter &p, const QRect &r, TextSelection selection, Tim
 		auto icon = ([radial, this, selected]() -> const style::icon* {
 			if (radial || _data->loading()) {
 				if (_data->uploading()
-					|| !_data->full->location().isNull()) {
+					|| !_data->large()->location().isNull()) {
 					return &(selected ? st::historyFileThumbCancelSelected : st::historyFileThumbCancel);
 				}
 				return nullptr;
@@ -292,7 +316,7 @@ TextState HistoryPhoto::textState(QPoint point, StateRequest request) const {
 		} else if (_data->loaded()) {
 			result.link = _openl;
 		} else if (_data->loading()) {
-			if (!_data->full->location().isNull()) {
+			if (!_data->large()->location().isNull()) {
 				result.link = _cancell;
 			}
 		} else {
@@ -317,8 +341,8 @@ TextState HistoryPhoto::textState(QPoint point, StateRequest request) const {
 }
 
 QSize HistoryPhoto::sizeForGrouping() const {
-	const auto width = _data->full->width();
-	const auto height = _data->full->height();
+	const auto width = _data->width();
+	const auto height = _data->height();
 	return { std::max(width, 1), std::max(height, 1) };
 }
 
@@ -395,7 +419,7 @@ void HistoryPhoto::drawGrouped(
 			if (_data->waitingForAlbum()) {
 				return &(selected ? st::historyFileThumbWaitingSelected : st::historyFileThumbWaiting);
 			} else if (radial || _data->loading()) {
-				if (_data->uploading() || !_data->full->location().isNull()) {
+				if (_data->uploading() || !_data->large()->location().isNull()) {
 					return &(selected ? st::historyFileThumbCancelSelected : st::historyFileThumbCancel);
 				}
 				return nullptr;
@@ -440,7 +464,7 @@ TextState HistoryPhoto::getStateGrouped(
 		: _data->loaded()
 		? _openl
 		: _data->loading()
-		? (_data->full->location().isNull()
+		? (_data->large()->location().isNull()
 			? ClickHandlerPtr()
 			: _cancell)
 		: _savel);
@@ -470,7 +494,13 @@ void HistoryPhoto::validateGroupedCache(
 		not_null<QPixmap*> cache) const {
 	using Option = Images::Option;
 	const auto loaded = _data->loaded();
-	const auto loadLevel = loaded ? 2 : _data->thumb->loaded() ? 1 : 0;
+	const auto loadLevel = loaded
+		? 2
+		: (_data->thumbnailInline()
+			|| _data->thumbnail()->loaded()
+			|| _data->thumbnailSmall()->loaded())
+		? 1
+		: 0;
 	const auto width = geometry.width();
 	const auto height = geometry.height();
 	const auto options = Option::Smooth
@@ -488,14 +518,22 @@ void HistoryPhoto::validateGroupedCache(
 		return;
 	}
 
-	const auto originalWidth = ConvertScale(_data->full->width());
-	const auto originalHeight = ConvertScale(_data->full->height());
+	const auto originalWidth = ConvertScale(_data->width());
+	const auto originalHeight = ConvertScale(_data->height());
 	const auto pixSize = Ui::GetImageScaleSizeForGeometry(
 		{ originalWidth, originalHeight },
 		{ width, height });
 	const auto pixWidth = pixSize.width() * cIntRetinaFactor();
 	const auto pixHeight = pixSize.height() * cIntRetinaFactor();
-	const auto &image = loaded ? _data->full : _data->thumb;
+	const auto image = loaded
+		? _data->large().get()
+		: _data->thumbnail()->loaded()
+		? _data->thumbnail().get()
+		: _data->thumbnailSmall()->loaded()
+		? _data->thumbnailSmall().get()
+		: _data->thumbnailInline()
+		? _data->thumbnailInline()
+		: Image::Blank().get();
 
 	*cacheKey = key;
 	*cache = image->pixNoCache(_realParent->fullId(), pixWidth, pixHeight, options, width, height);

Telegram/SourceFiles/history/media/history_media_sticker.cpp

@@ -30,8 +30,8 @@ HistorySticker::HistorySticker(
 : HistoryMedia(parent)
 , _data(document)
 , _emoji(_data->sticker()->alt) {
-	_data->thumb->load(parent->data()->fullId());
-	if (auto emoji = Ui::Emoji::Find(_emoji)) {
+	_data->loadThumbnail(parent->data()->fullId());
+	if (const auto emoji = Ui::Emoji::Find(_emoji)) {
 		_emoji = emoji->text();
 	}
 }
@@ -93,7 +93,7 @@ void HistorySticker::draw(Painter &p, const QRect &r, TextSelection selection, T
 
 	if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;
 
-	_data->checkSticker();
+	_data->checkStickerLarge();
 	bool loaded = _data->loaded();
 	bool selected = (selection == FullSelection);
 
@@ -117,14 +117,25 @@ void HistorySticker::draw(Painter &p, const QRect &r, TextSelection selection, T
 		const auto w = _pixw;
 		const auto h = _pixh;
 		const auto &c = st::msgStickerOverlay;
-		if (const auto image = _data->getStickerImage()) {
+		if (const auto image = _data->getStickerLarge()) {
 			return selected
 				? image->pixColored(o, c, w, h)
 				: image->pix(o, w, h);
+		//
+		// Inline thumbnails can't have alpha channel.
+		//
+		//} else if (const auto blurred = _data->thumbnailInline()) {
+		//	return selected
+		//		? blurred->pixBlurredColored(o, c, w, h)
+		//		: blurred->pixBlurred(o, w, h);
+		} else if (const auto thumbnail = _data->thumbnail()) {
+			return selected
+				? thumbnail->pixBlurredColored(o, c, w, h)
+				: thumbnail->pixBlurred(o, w, h);
+		} else {
+			static QPixmap empty;
+			return empty;
 		}
-		return selected
-			? _data->thumb->pixBlurredColored(o, c, w, h)
-			: _data->thumb->pixBlurred(o, w, h);
 	}();
 	p.drawPixmap(
 		QPoint{ usex + (usew - _pixw) / 2, (minHeight() - _pixh) / 2 },

Telegram/SourceFiles/history/media/history_media_video.cpp

@@ -41,7 +41,21 @@ HistoryVideo::HistoryVideo(
 
 	setStatusSize(FileStatusSizeReady);
 
-	_data->thumb->load(realParent->fullId());
+	_data->loadThumbnail(realParent->fullId());
+}
+
+QSize HistoryVideo::sizeForAspectRatio() const {
+	// We use size only for aspect ratio and we want to have it
+	// as close to the thumbnail as possible.
+	//if (!_data->dimensions.isEmpty()) {
+	//	return _data->dimensions;
+	//}
+	if (const auto thumb = _data->thumbnail()) {
+		if (!thumb->size().isEmpty()) {
+			return thumb->size();
+		}
+	}
+	return { 1, 1 };
 }
 
 QSize HistoryVideo::countOptimalSize() {
@@ -53,8 +67,9 @@ QSize HistoryVideo::countOptimalSize() {
 			_parent->skipBlockHeight());
 	}
 
-	auto tw = ConvertScale(_data->thumb->width());
-	auto th = ConvertScale(_data->thumb->height());
+	const auto size = sizeForAspectRatio();
+	auto tw = ConvertScale(size.width());
+	auto th = ConvertScale(size.height());
 	if (!tw || !th) {
 		tw = th = 1;
 	}
@@ -86,7 +101,9 @@ QSize HistoryVideo::countOptimalSize() {
 }
 
 QSize HistoryVideo::countCurrentSize(int newWidth) {
-	int tw = ConvertScale(_data->thumb->width()), th = ConvertScale(_data->thumb->height());
+	const auto size = sizeForAspectRatio();
+	auto tw = ConvertScale(size.width());
+	auto th = ConvertScale(size.height());
 	if (!tw || !th) {
 		tw = th = 1;
 	}
@@ -166,7 +183,12 @@ void HistoryVideo::draw(Painter &p, const QRect &r, TextSelection selection, Tim
 		if (good) {
 			good->load({});
 		}
-		p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(_realParent->fullId(), _thumbw, _thumbh, paintw, painth, roundRadius, roundCorners));
+		if (const auto normal = _data->thumbnail()) {
+			const auto use = (normal->loaded() || !_data->thumbnailInline())
+				? normal
+				: _data->thumbnailInline();
+			p.drawPixmap(rthumb.topLeft(), use->pixBlurredSingle(_realParent->fullId(), _thumbw, _thumbh, paintw, painth, roundRadius, roundCorners));
+		}
 	}
 	if (selected) {
 		App::complexOverlayRect(p, rthumb, roundRadius, roundCorners);
@@ -288,13 +310,7 @@ TextState HistoryVideo::textState(QPoint point, StateRequest request) const {
 }
 
 QSize HistoryVideo::sizeForGrouping() const {
-	const auto width = _data->dimensions.isEmpty()
-		? _data->thumb->width()
-		: _data->dimensions.width();
-	const auto height = _data->dimensions.isEmpty()
-		? _data->thumb->height()
-		: _data->dimensions.height();
-	return { std::max(width, 1), std::max(height, 1) };
+	return sizeForAspectRatio();
 }
 
 void HistoryVideo::drawGrouped(
@@ -384,7 +400,6 @@ void HistoryVideo::drawGrouped(
 	p.setOpacity(backOpacity);
 	if (icon) {
 		if (previous && radialOpacity > 0. && radialOpacity < 1.) {
-			LOG(("INTERPOLATING: %1").arg(radialOpacity));
 			PaintInterpolatedIcon(p, *icon, *previous, radialOpacity, inner);
 		} else {
 			icon->paintInCenter(p, inner);
@@ -442,13 +457,18 @@ void HistoryVideo::validateGroupedCache(
 	using Option = Images::Option;
 	const auto good = _data->goodThumbnail();
 	const auto useGood = (good && good->loaded());
-	const auto image = useGood ? good : _data->thumb.get();
+	const auto thumb = _data->thumbnail();
+	const auto useThumb = (thumb && thumb->loaded());
+	const auto image = useGood
+		? good
+		: useThumb
+		? thumb
+		: _data->thumbnailInline();
 	if (good && !useGood) {
 		good->load({});
 	}
 
-	const auto loaded = useGood ? true : _data->thumb->loaded();
-	const auto loadLevel = loaded ? 1 : 0;
+	const auto loadLevel = useGood ? 3 : useThumb ? 2 : image ? 1 : 0;
 	const auto width = geometry.width();
 	const auto height = geometry.height();
 	const auto options = Option::Smooth
@@ -466,8 +486,9 @@ void HistoryVideo::validateGroupedCache(
 		return;
 	}
 
-	const auto originalWidth = ConvertScale(_data->thumb->width());
-	const auto originalHeight = ConvertScale(_data->thumb->height());
+	const auto original = sizeForAspectRatio();
+	const auto originalWidth = ConvertScale(original.width());
+	const auto originalHeight = ConvertScale(original.height());
 	const auto pixSize = Ui::GetImageScaleSizeForGeometry(
 		{ originalWidth, originalHeight },
 		{ width, height });
@@ -475,7 +496,7 @@ void HistoryVideo::validateGroupedCache(
 	const auto pixHeight = pixSize.height() * cIntRetinaFactor();
 
 	*cacheKey = key;
-	*cache = image->pixNoCache(_realParent->fullId(), pixWidth, pixHeight, options, width, height);
+	*cache = (image ? image : Image::Blank().get())->pixNoCache(_realParent->fullId(), pixWidth, pixHeight, options, width, height);
 }
 
 void HistoryVideo::setStatusSize(int newSize) const {

Telegram/SourceFiles/history/media/history_media_video.h

@@ -83,6 +83,7 @@ private:
 		not_null<QPixmap*> cache) const;
 	void setStatusSize(int newSize) const;
 	void updateStatusText() const;
+	QSize sizeForAspectRatio() const;
 
 	not_null<DocumentData*> _data;
 	int _thumbw = 1;

Telegram/SourceFiles/history/media/history_media_web_page.cpp

@@ -34,14 +34,16 @@ namespace {
 
 constexpr auto kMaxOriginalEntryLines = 8192;
 
-int articleThumbWidth(PhotoData *thumb, int height) {
-	auto w = thumb->medium->width();
-	auto h = thumb->medium->height();
+int articleThumbWidth(not_null<PhotoData*> thumb, int height) {
+	auto w = thumb->thumbnail()->width();
+	auto h = thumb->thumbnail()->height();
 	return qMax(qMin(height * w / h, height), 1);
 }
 
-int articleThumbHeight(PhotoData *thumb, int width) {
-	return qMax(thumb->medium->height() * width / thumb->medium->width(), 1);
+int articleThumbHeight(not_null<PhotoData*> thumb, int width) {
+	return qMax(
+		thumb->thumbnail()->height() * width / thumb->thumbnail()->width(),
+		1);
 }
 
 std::vector<std::unique_ptr<Data::Media>> PrepareCollageMedia(
@@ -410,22 +412,25 @@ void HistoryWebPage::draw(Painter &p, const QRect &r, TextSelection selection, T
 	auto lineHeight = unitedLineHeight();
 	if (_asArticle) {
 		const auto contextId = _parent->data()->fullId();
-		_data->photo->medium->load(contextId, false, false);
-		bool full = _data->photo->medium->loaded();
+		_data->photo->loadThumbnail(contextId);
+		bool full = _data->photo->thumbnail()->loaded();
 		QPixmap pix;
 		auto pw = qMax(_pixw, lineHeight);
 		auto ph = _pixh;
 		auto pixw = _pixw, pixh = articleThumbHeight(_data->photo, _pixw);
-		auto maxw = ConvertScale(_data->photo->medium->width()), maxh = ConvertScale(_data->photo->medium->height());
+		const auto maxw = ConvertScale(_data->photo->thumbnail()->width());
+		const auto maxh = ConvertScale(_data->photo->thumbnail()->height());
 		if (pixw * ph != pixh * pw) {
 			float64 coef = (pixw * ph > pixh * pw) ? qMin(ph / float64(pixh), maxh / float64(pixh)) : qMin(pw / float64(pixw), maxw / float64(pixw));
 			pixh = qRound(pixh * coef);
 			pixw = qRound(pixw * coef);
 		}
 		if (full) {
-			pix = _data->photo->medium->pixSingle(contextId, pixw, pixh, pw, ph, ImageRoundRadius::Small);
-		} else {
-			pix = _data->photo->thumb->pixBlurredSingle(contextId, pixw, pixh, pw, ph, ImageRoundRadius::Small);
+			pix = _data->photo->thumbnail()->pixSingle(contextId, pixw, pixh, pw, ph, ImageRoundRadius::Small);
+		} else if (_data->photo->thumbnailSmall()->loaded()) {
+			pix = _data->photo->thumbnailSmall()->pixBlurredSingle(contextId, pixw, pixh, pw, ph, ImageRoundRadius::Small);
+		} else if (const auto blurred = _data->photo->thumbnailInline()) {
+			pix = blurred->pixBlurredSingle(contextId, pixw, pixh, pw, ph, ImageRoundRadius::Small);
 		}
 		p.drawPixmapLeft(padding.left() + paintw - pw, tshift, width(), pix);
 		if (selected) {

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -49,7 +49,7 @@ void AddToggleGroupingAction(
 }
 
 void SavePhotoToFile(not_null<PhotoData*> photo) {
-	if (!photo->date || !photo->loaded()) {
+	if (photo->isNull() || !photo->loaded()) {
 		return;
 	}
 
@@ -60,17 +60,17 @@ void SavePhotoToFile(not_null<PhotoData*> photo) {
 		filedialogDefaultName(qsl("photo"), qsl(".jpg")),
 		crl::guard(&Auth(), [=](const QString &result) {
 			if (!result.isEmpty()) {
-				photo->full->pix(Data::FileOrigin()).toImage().save(result, "JPG");
+				photo->large()->original().save(result, "JPG");
 			}
 		}));
 }
 
 void CopyImage(not_null<PhotoData*> photo) {
-	if (!photo->date || !photo->loaded()) {
+	if (photo->isNull() || !photo->loaded()) {
 		return;
 	}
 
-	QApplication::clipboard()->setPixmap(photo->full->pix(Data::FileOrigin()));
+	QApplication::clipboard()->setImage(photo->large()->original());
 }
 
 void ShowStickerPackInfo(not_null<DocumentData*> document) {

Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp

@@ -48,23 +48,25 @@ DocumentData *FileBase::getShownDocument() const {
 }
 
 int FileBase::content_width() const {
-	DocumentData *document = getShownDocument();
-	if (document->dimensions.width() > 0) {
-		return document->dimensions.width();
-	}
-	if (!document->thumb->isNull()) {
-		return ConvertScale(document->thumb->width());
+	if (const auto document = getShownDocument()) {
+		if (document->dimensions.width() > 0) {
+			return document->dimensions.width();
+		}
+		if (const auto thumb = document->thumbnail()) {
+			return ConvertScale(thumb->width());
+		}
 	}
 	return 0;
 }
 
 int FileBase::content_height() const {
-	DocumentData *document = getShownDocument();
-	if (document->dimensions.height() > 0) {
-		return document->dimensions.height();
-	}
-	if (!document->thumb->isNull()) {
-		return ConvertScale(document->thumb->height());
+	if (const auto document = getShownDocument()) {
+		if (document->dimensions.height() > 0) {
+			return document->dimensions.height();
+		}
+		if (const auto thumb = document->thumbnail()) {
+			return ConvertScale(thumb->height());
+		}
 	}
 	return 0;
 }
@@ -82,10 +84,10 @@ int FileBase::content_duration() const {
 	return getResultDuration();
 }
 
-ImagePtr FileBase::content_thumb() const {
-	if (DocumentData *document = getShownDocument()) {
-		if (!document->thumb->isNull()) {
-			return document->thumb;
+Image *FileBase::content_thumb() const {
+	if (const auto document = getShownDocument()) {
+		if (const auto thumb = document->thumbnail()) {
+			return thumb;
 		}
 	}
 	return getResultThumb();
@@ -166,7 +168,7 @@ void Gif::paint(Painter &p, const QRect &clip, const PaintContext *context) cons
 		auto pixmap = _gif->current(frame.width(), frame.height(), _width, height, ImageRoundRadius::None, RectPart::None, context->paused ? 0 : context->ms);
 		p.drawPixmap(r.topLeft(), pixmap);
 	} else {
-		prepareThumb(_width, height, frame);
+		prepareThumbnail({ _width, height }, frame);
 		if (_thumb.isNull()) {
 			p.fillRect(r, st::overviewPhotoBg);
 		} else {
@@ -287,29 +289,37 @@ QSize Gif::countFrameSize() const {
 	return QSize(framew, frameh);
 }
 
-void Gif::prepareThumb(int32 width, int32 height, const QSize &frame) const {
-	const auto origin = fileOrigin();
+void Gif::validateThumbnail(
+		Image *image,
+		QSize size,
+		QSize frame,
+		bool good) const {
+	if (!image || (_thumbGood && !good)) {
+		return;
+	} else if (!image->loaded()) {
+		image->load(fileOrigin());
+		return;
+	} else if ((_thumb.size() == size * cIntRetinaFactor())
+		&& (_thumbGood || !good)) {
+		return;
+	}
+	_thumbGood = good;
+	_thumb = image->pixNoCache(
+		fileOrigin(),
+		frame.width() * cIntRetinaFactor(),
+		frame.height() * cIntRetinaFactor(),
+		(Images::Option::Smooth
+			| (good ? Images::Option::None : Images::Option::Blurred)),
+		size.width(),
+		size.height());
+}
+
+void Gif::prepareThumbnail(QSize size, QSize frame) const {
 	if (const auto document = getShownDocument()) {
-		if (!document->thumb->isNull()) {
-			if (document->thumb->loaded()) {
-				if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-					_thumb = document->thumb->pixNoCache(origin, frame.width() * cIntRetinaFactor(), frame.height() * cIntRetinaFactor(), Images::Option::Smooth, width, height);
-				}
-			} else {
-				document->thumb->load(origin);
-			}
-		}
+		validateThumbnail(document->thumbnail(), size, frame, true);
+		validateThumbnail(document->thumbnailInline(), size, frame, false);
 	} else {
-		const auto thumb = getResultThumb();
-		if (!thumb->isNull()) {
-			if (thumb->loaded()) {
-				if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-					_thumb = thumb->pixNoCache(origin, frame.width() * cIntRetinaFactor(), frame.height() * cIntRetinaFactor(), Images::Option::Smooth, width, height);
-				}
-			} else {
-				thumb->load(origin);
-			}
-		}
+		validateThumbnail(getResultThumb(), size, frame, true);
 	}
 }
 
@@ -386,7 +396,7 @@ void Sticker::initDimensions() {
 
 void Sticker::preload() const {
 	if (const auto document = getShownDocument()) {
-		document->checkStickerThumb();
+		document->checkStickerSmall();
 	} else if (const auto thumb = getResultThumb()) {
 		thumb->load(fileOrigin());
 	}
@@ -402,7 +412,7 @@ void Sticker::paint(Painter &p, const QRect &clip, const PaintContext *context)
 		p.setOpacity(1);
 	}
 
-	prepareThumb();
+	prepareThumbnail();
 	if (!_thumb.isNull()) {
 		int w = _thumb.width() / cIntRetinaFactor(), h = _thumb.height() / cIntRetinaFactor();
 		QPoint pos = QPoint((st::stickerPanSize.width() - w) / 2, (st::stickerPanSize.height() - h) / 2);
@@ -442,10 +452,10 @@ QSize Sticker::getThumbSize() const {
 	return QSize(qMax(w, 1), qMax(h, 1));
 }
 
-void Sticker::prepareThumb() const {
+void Sticker::prepareThumbnail() const {
 	if (const auto document = getShownDocument()) {
-		document->checkStickerThumb();
-		if (const auto sticker = document->getStickerThumb()) {
+		document->checkStickerSmall();
+		if (const auto sticker = document->getStickerSmall()) {
 			if (!_thumbLoaded && sticker->loaded()) {
 				const auto thumbSize = getThumbSize();
 				_thumb = sticker->pix(
@@ -457,18 +467,19 @@ void Sticker::prepareThumb() const {
 		}
 	} else {
 		const auto origin = fileOrigin();
-		const auto thumb = getResultThumb();
-		if (thumb->loaded()) {
-			if (!_thumbLoaded) {
-				const auto thumbSize = getThumbSize();
-				_thumb = thumb->pix(
-					origin,
-					thumbSize.width(),
-					thumbSize.height());
-				_thumbLoaded = true;
+		if (const auto thumb = getResultThumb()) {
+			if (thumb->loaded()) {
+				if (!_thumbLoaded) {
+					const auto thumbSize = getThumbSize();
+					_thumb = thumb->pix(
+						origin,
+						thumbSize.width(),
+						thumbSize.height());
+					_thumbLoaded = true;
+				}
+			} else {
+				thumb->load(origin);
 			}
-		} else {
-			thumb->load(origin);
 		}
 	}
 }
@@ -478,8 +489,8 @@ Photo::Photo(not_null<Context*> context, Result *result)
 }
 
 void Photo::initDimensions() {
-	PhotoData *photo = getShownPhoto();
-	int32 w = photo->full->width(), h = photo->full->height();
+	const auto photo = getShownPhoto();
+	int32 w = photo->width(), h = photo->height();
 	if (w <= 0 || h <= 0) {
 		_maxw = 0;
 	} else {
@@ -495,7 +506,7 @@ void Photo::paint(Painter &p, const QRect &clip, const PaintContext *context) co
 
 	QRect r(0, 0, _width, height);
 
-	prepareThumb(_width, height, frame);
+	prepareThumbnail({ _width, height }, frame);
 	if (_thumb.isNull()) {
 		p.fillRect(r, st::overviewPhotoBg);
 	} else {
@@ -521,7 +532,7 @@ PhotoData *Photo::getShownPhoto() const {
 
 QSize Photo::countFrameSize() const {
 	PhotoData *photo = getShownPhoto();
-	int32 framew = photo->full->width(), frameh = photo->full->height(), height = st::inlineMediaHeight;
+	int32 framew = photo->width(), frameh = photo->height(), height = st::inlineMediaHeight;
 	if (framew * height > frameh * _width) {
 		if (framew < st::maxStickerSize || frameh > height) {
 			if (frameh > height || (framew * height / frameh) <= st::maxStickerSize) {
@@ -546,31 +557,38 @@ QSize Photo::countFrameSize() const {
 	return QSize(framew, frameh);
 }
 
-void Photo::prepareThumb(int32 width, int32 height, const QSize &frame) const {
+void Photo::validateThumbnail(
+		Image *image,
+		QSize size,
+		QSize frame,
+		bool good) const {
+	if (!image || (_thumbGood && !good)) {
+		return;
+	} else if (!image->loaded()) {
+		image->load(fileOrigin());
+		return;
+	} else if ((_thumb.size() == size * cIntRetinaFactor())
+		&& (_thumbGood || !good)) {
+		return;
+	}
 	const auto origin = fileOrigin();
+	_thumb = image->pixNoCache(
+		origin,
+		frame.width() * cIntRetinaFactor(),
+		frame.height() * cIntRetinaFactor(),
+		Images::Option::Smooth | (good ? Images::Option(0) : Images::Option::Blurred),
+		size.width(),
+		size.height());
+	_thumbGood = good;
+}
+
+void Photo::prepareThumbnail(QSize size, QSize frame) const {
 	if (const auto photo = getShownPhoto()) {
-		if (photo->medium->loaded()) {
-			if (!_thumbLoaded || _thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-				_thumb = photo->medium->pixNoCache(origin, frame.width() * cIntRetinaFactor(), frame.height() * cIntRetinaFactor(), Images::Option::Smooth, width, height);
-			}
-			_thumbLoaded = true;
-		} else {
-			if (photo->thumb->loaded()) {
-				if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-					_thumb = photo->thumb->pixNoCache(origin, frame.width() * cIntRetinaFactor(), frame.height() * cIntRetinaFactor(), Images::Option::Smooth, width, height);
-				}
-			}
-			photo->medium->load(origin);
-		}
-	} else {
-		const auto thumb = getResultThumb();
-		if (thumb->loaded()) {
-			if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-				_thumb = thumb->pixNoCache(origin, frame.width() * cIntRetinaFactor(), frame.height() * cIntRetinaFactor(), Images::Option::Smooth, width, height);
-			}
-		} else {
-			thumb->load(origin);
-		}
+		validateThumbnail(photo->thumbnail(), size, frame, true);
+		validateThumbnail(photo->thumbnailSmall(), size, frame, false);
+		validateThumbnail(photo->thumbnailInline(), size, frame, false);
+	} else if (const auto thumbnail = getResultThumb()) {
+		validateThumbnail(thumbnail, size, frame, true);
 	}
 }
 
@@ -585,7 +603,7 @@ Video::Video(not_null<Context*> context, Result *result) : FileBase(context, res
 }
 
 void Video::initDimensions() {
-	bool withThumb = !content_thumb()->isNull();
+	const auto withThumb = (content_thumb() != nullptr);
 
 	_maxw = st::emojiPanWidth - st::emojiScroll.width - st::inlineResultsLeft;
 	int32 textWidth = _maxw - (withThumb ? (st::inlineThumbSize + st::inlineThumbSkip) : 0);
@@ -614,9 +632,9 @@ void Video::initDimensions() {
 void Video::paint(Painter &p, const QRect &clip, const PaintContext *context) const {
 	int left = st::inlineThumbSize + st::inlineThumbSkip;
 
-	bool withThumb = !content_thumb()->isNull();
+	const auto withThumb = (content_thumb() != nullptr);
 	if (withThumb) {
-		prepareThumb(st::inlineThumbSize, st::inlineThumbSize);
+		prepareThumbnail({ st::inlineThumbSize, st::inlineThumbSize });
 		if (_thumb.isNull()) {
 			p.fillRect(rtlrect(0, st::inlineRowMargin, st::inlineThumbSize, st::inlineThumbSize, _width), st::overviewPhotoBg);
 		} else {
@@ -661,11 +679,15 @@ TextState Video::getState(
 	return {};
 }
 
-void Video::prepareThumb(int32 width, int32 height) const {
+void Video::prepareThumbnail(QSize size) const {
+	Expects(content_thumb() != nullptr);
+
 	const auto thumb = content_thumb();
 	const auto origin = fileOrigin();
 	if (thumb->loaded()) {
-		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
+		if (_thumb.size() != size * cIntRetinaFactor()) {
+			const auto width = size.width();
+			const auto height = size.height();
 			int32 w = qMax(ConvertScale(thumb->width()), 1), h = qMax(ConvertScale(thumb->height()), 1);
 			if (w * height > h * width) {
 				if (height < h) {
@@ -948,7 +970,7 @@ void Contact::paint(Painter &p, const QRect &clip, const PaintContext *context)
 	int32 left = st::emojiPanHeaderLeft - st::inlineResultsLeft;
 
 	left = st::msgFileSize + st::inlineThumbSkip;
-	prepareThumb(st::msgFileSize, st::msgFileSize);
+	prepareThumbnail(st::msgFileSize, st::msgFileSize);
 	QRect rthumb(rtlrect(0, st::inlineRowMargin, st::msgFileSize, st::msgFileSize, _width));
 	p.drawPixmapLeft(rthumb.topLeft(), _width, _thumb);
 
@@ -978,9 +1000,9 @@ TextState Contact::getState(
 	return {};
 }
 
-void Contact::prepareThumb(int width, int height) const {
+void Contact::prepareThumbnail(int width, int height) const {
 	const auto thumb = getResultThumb();
-	if (thumb->isNull()) {
+	if (!thumb) {
 		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
 			_thumb = getResultContactAvatar(width, height);
 		}
@@ -1059,11 +1081,11 @@ void Article::paint(Painter &p, const QRect &clip, const PaintContext *context)
 	int32 left = st::emojiPanHeaderLeft - st::inlineResultsLeft;
 	if (_withThumb) {
 		left = st::inlineThumbSize + st::inlineThumbSkip;
-		prepareThumb(st::inlineThumbSize, st::inlineThumbSize);
+		prepareThumbnail(st::inlineThumbSize, st::inlineThumbSize);
 		QRect rthumb(rtlrect(0, st::inlineRowMargin, st::inlineThumbSize, st::inlineThumbSize, _width));
 		if (_thumb.isNull()) {
-			ImagePtr thumb = getResultThumb();
-			if (thumb->isNull() && !_thumbLetter.isEmpty()) {
+			const auto thumb = getResultThumb();
+			if (!thumb && !_thumbLetter.isEmpty()) {
 				int32 index = (_thumbLetter.at(0).unicode() % 4);
 				style::color colors[] = {
 					st::msgFile3Bg,
@@ -1126,9 +1148,9 @@ TextState Article::getState(
 	return {};
 }
 
-void Article::prepareThumb(int width, int height) const {
+void Article::prepareThumbnail(int width, int height) const {
 	const auto thumb = getResultThumb();
-	if (thumb->isNull()) {
+	if (!thumb) {
 		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
 			_thumb = getResultContactAvatar(width, height);
 		}
@@ -1258,7 +1280,7 @@ void Game::paint(Painter &p, const QRect &clip, const PaintContext *context) con
 	}
 
 	if (!thumbDisplayed) {
-		prepareThumb(st::inlineThumbSize, st::inlineThumbSize);
+		prepareThumbnail({ st::inlineThumbSize, st::inlineThumbSize });
 		if (_thumb.isNull()) {
 			p.fillRect(rthumb, st::overviewPhotoBg);
 		} else {
@@ -1302,41 +1324,52 @@ TextState Game::getState(
 	return {};
 }
 
-void Game::prepareThumb(int width, int height) const {
-	const auto thumb = [this] {
-		if (auto photo = getResultPhoto()) {
-			return photo->medium;
-		} else if (auto document = getResultDocument()) {
-			return document->thumb;
-		}
-		return ImagePtr();
-	}();
-	if (thumb->isNull()) {
+void Game::prepareThumbnail(QSize size) const {
+	if (const auto photo = getResultPhoto()) {
+		validateThumbnail(photo->thumbnail(), size, true);
+		validateThumbnail(photo->thumbnailInline(), size, false);
+	} else if (const auto document = getResultDocument()) {
+		validateThumbnail(document->thumbnail(), size, true);
+		validateThumbnail(document->thumbnailInline(), size, false);
+	}
+}
+
+void Game::validateThumbnail(Image *image, QSize size, bool good) const {
+	if (!image || (_thumbGood && !good)) {
+		return;
+	} else if (!image->loaded()) {
+		image->load(fileOrigin());
+		return;
+	} else if ((_thumb.size() == size * cIntRetinaFactor())
+		&& (_thumbGood || !good)) {
 		return;
 	}
-
-	const auto origin = fileOrigin();
-	if (thumb->loaded()) {
-		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
-			int w = qMax(ConvertScale(thumb->width()), 1), h = qMax(ConvertScale(thumb->height()), 1);
-			auto resizeByHeight1 = (w * height > h * width) && (h >= height);
-			auto resizeByHeight2 = (h * width >= w * height) && (w < width);
-			if (resizeByHeight1 || resizeByHeight2) {
-				if (h > height) {
-					w = w * height / h;
-					h = height;
-				}
-			} else {
-				if (w > width) {
-					h = h * width / w;
-					w = width;
-				}
-			}
-			_thumb = thumb->pixNoCache(origin, w * cIntRetinaFactor(), h * cIntRetinaFactor(), Images::Option::Smooth, width, height);
+	const auto width = size.width();
+	const auto height = size.height();
+	auto w = qMax(ConvertScale(image->width()), 1);
+	auto h = qMax(ConvertScale(image->height()), 1);
+	auto resizeByHeight1 = (w * height > h * width) && (h >= height);
+	auto resizeByHeight2 = (h * width >= w * height) && (w < width);
+	if (resizeByHeight1 || resizeByHeight2) {
+		if (h > height) {
+			w = w * height / h;
+			h = height;
 		}
 	} else {
-		thumb->load(origin);
+		if (w > width) {
+			h = h * width / w;
+			w = width;
+		}
 	}
+	_thumbGood = good;
+	_thumb = image->pixNoCache(
+		fileOrigin(),
+		w * cIntRetinaFactor(),
+		h * cIntRetinaFactor(),
+		(Images::Option::Smooth
+			| (good ? Images::Option::None : Images::Option::Blurred)),
+		size.width(),
+		size.height());
 }
 
 bool Game::isRadialAnimation(TimeMs ms) const {

Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.h

@@ -28,7 +28,7 @@ protected:
 	int content_width() const;
 	int content_height() const;
 	int content_duration() const;
-	ImagePtr content_thumb() const;
+	Image *content_thumb() const;
 };
 
 class DeleteSavedGifClickHandler : public LeftButtonClickHandler {
@@ -83,7 +83,13 @@ private:
 	Media::Clip::ReaderPointer _gif;
 	ClickHandlerPtr _delete;
 	mutable QPixmap _thumb;
-	void prepareThumb(int32 width, int32 height, const QSize &frame) const;
+	mutable bool _thumbGood = false;
+	void validateThumbnail(
+		Image *image,
+		QSize size,
+		QSize frame,
+		bool good) const;
+	void prepareThumbnail(QSize size, QSize frame) const;
 
 	void ensureAnimation() const;
 	bool isRadialAnimation(TimeMs ms) const;
@@ -131,8 +137,13 @@ private:
 	QSize countFrameSize() const;
 
 	mutable QPixmap _thumb;
-	mutable bool _thumbLoaded = false;
-	void prepareThumb(int32 width, int32 height, const QSize &frame) const;
+	mutable bool _thumbGood = false;
+	void prepareThumbnail(QSize size, QSize frame) const;
+	void validateThumbnail(
+		Image *image,
+		QSize size,
+		QSize frame,
+		bool good) const;
 
 };
 
@@ -168,7 +179,7 @@ private:
 
 	mutable QPixmap _thumb;
 	mutable bool _thumbLoaded = false;
-	void prepareThumb() const;
+	void prepareThumbnail() const;
 
 };
 
@@ -191,7 +202,7 @@ private:
 	QString _duration;
 	int _durationWidth = 0;
 
-	void prepareThumb(int32 width, int32 height) const;
+	void prepareThumbnail(QSize size) const;
 
 };
 
@@ -302,7 +313,7 @@ private:
 	mutable QPixmap _thumb;
 	Text _title, _description;
 
-	void prepareThumb(int width, int height) const;
+	void prepareThumbnail(int width, int height) const;
 
 };
 
@@ -327,7 +338,7 @@ private:
 	QString _thumbLetter, _urlText;
 	int32 _urlWidth;
 
-	void prepareThumb(int width, int height) const;
+	void prepareThumbnail(int width, int height) const;
 
 };
 
@@ -346,7 +357,8 @@ public:
 private:
 	void countFrameSize();
 
-	void prepareThumb(int32 width, int32 height) const;
+	void prepareThumbnail(QSize size) const;
+	void validateThumbnail(Image *image, QSize size, bool good) const;
 
 	bool isRadialAnimation(TimeMs ms) const;
 	void step_radial(TimeMs ms, bool timer);
@@ -355,6 +367,7 @@ private:
 
 	Media::Clip::ReaderPointer _gif;
 	mutable QPixmap _thumb;
+	mutable bool _thumbGood = false;
 	mutable std::unique_ptr<Ui::RadialAnimation> _radial;
 	Text _title, _description;
 

Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp

@@ -78,16 +78,16 @@ void ItemBase::preload() const {
 	const auto origin = fileOrigin();
 	if (_result) {
 		if (_result->_photo) {
-			_result->_photo->thumb->load(origin);
+			_result->_photo->loadThumbnail(origin);
 		} else if (_result->_document) {
-			_result->_document->thumb->load(origin);
+			_result->_document->loadThumbnail(origin);
 		} else if (!_result->_thumb->isNull()) {
 			_result->_thumb->load(origin);
 		}
 	} else if (_doc) {
-		_doc->thumb->load(origin);
+		_doc->loadThumbnail(origin);
 	} else if (_photo) {
-		_photo->medium->load(origin);
+		_photo->loadThumbnail(origin);
 	}
 }
 
@@ -145,17 +145,17 @@ PhotoData *ItemBase::getResultPhoto() const {
 	return _result ? _result->_photo : nullptr;
 }
 
-ImagePtr ItemBase::getResultThumb() const {
+Image *ItemBase::getResultThumb() const {
 	if (_result) {
-		if (_result->_photo && !_result->_photo->thumb->isNull()) {
-			return _result->_photo->thumb;
+		if (_result->_photo) {
+			return _result->_photo->thumbnail();
+		} else if (!_result->_thumb->isNull()) {
+			return _result->_thumb.get();
+		} else if (!_result->_locationThumb->isNull()) {
+			return _result->_locationThumb.get();
 		}
-		if (!_result->_thumb->isNull()) {
-			return _result->_thumb;
-		}
-		return _result->_locationThumb;
 	}
-	return ImagePtr();
+	return nullptr;
 }
 
 QPixmap ItemBase::getResultContactAvatar(int width, int height) const {

Telegram/SourceFiles/inline_bots/inline_bot_layout_item.h

@@ -95,7 +95,7 @@ public:
 protected:
 	DocumentData *getResultDocument() const;
 	PhotoData *getResultPhoto() const;
-	ImagePtr getResultThumb() const;
+	Image *getResultThumb() const;
 	QPixmap getResultContactAvatar(int width, int height) const;
 	int getResultDuration() const;
 	QString getResultUrl() const;

Telegram/SourceFiles/inline_bots/inline_bot_result.cpp

@@ -110,8 +110,8 @@ std::unique_ptr<Result> Result::create(uint64 queryId, const MTPBotInlineResult
 		message = &r.vsend_message;
 	} break;
 	}
-	auto badAttachment = (result->_photo && result->_photo->full->isNull())
-		|| (result->_document && !result->_document->isValid());
+	auto badAttachment = (result->_photo && result->_photo->isNull())
+		|| (result->_document && result->_document->isNull());
 
 	if (!message) {
 		return nullptr;
@@ -246,11 +246,10 @@ std::unique_ptr<Result> Result::create(uint64 queryId, const MTPBotInlineResult
 
 bool Result::onChoose(Layout::ItemBase *layout) {
 	if (_photo && _type == Type::Photo) {
-		if (_photo->medium->loaded() || _photo->thumb->loaded()) {
+		if (_photo->thumbnail()->loaded()) {
 			return true;
-		} else if (!_photo->medium->loading()) {
-			_photo->thumb->loadEvenCancelled(Data::FileOrigin());
-			_photo->medium->loadEvenCancelled(Data::FileOrigin());
+		} else if (!_photo->thumbnail()->loading()) {
+			_photo->thumbnail()->loadEvenCancelled(Data::FileOrigin());
 		}
 		return false;
 	}

Telegram/SourceFiles/mainwidget.cpp

@@ -1640,8 +1640,8 @@ void MainWidget::checkChatBackground() {
 	});
 }
 
-ImagePtr MainWidget::newBackgroundThumb() {
-	return _background ? _background->data.thumb : ImagePtr();
+Image *MainWidget::newBackgroundThumb() {
+	return _background ? _background->data.thumb : nullptr;
 }
 
 void MainWidget::messageDataReceived(ChannelData *channel, MsgId msgId) {

Telegram/SourceFiles/mainwidget.h

@@ -237,7 +237,7 @@ public:
 	bool chatBackgroundLoading();
 	float64 chatBackgroundProgress() const;
 	void checkChatBackground();
-	ImagePtr newBackgroundThumb();
+	Image *newBackgroundThumb();
 
 	void messageDataReceived(ChannelData *channel, MsgId msgId);
 	void updateBotKeyboard(History *h);

Telegram/SourceFiles/media/player/media_player_instance.cpp

@@ -318,7 +318,7 @@ void Instance::play(const AudioMsgId &audioId) {
 		}
 	}
 	if (document->isVoiceMessage() || document->isVideoMessage()) {
-		document->session()->data().markMediaRead(document);
+		document->owner().markMediaRead(document);
 	}
 }
 

Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp

@@ -129,7 +129,7 @@ public:
 
 	Thumb(
 		Key key,
-		ImagePtr image,
+		Image *image,
 		Data::FileOrigin origin,
 		Fn<void()> handler);
 
@@ -157,7 +157,7 @@ private:
 
 	ClickHandlerPtr _link;
 	const Key _key;
-	ImagePtr _image;
+	Image *_image = nullptr;
 	Data::FileOrigin _origin;
 	State _state = State::Alive;
 	QPixmap _full;
@@ -172,7 +172,7 @@ private:
 
 GroupThumbs::Thumb::Thumb(
 	Key key,
-	ImagePtr image,
+	Image *image,
 	Data::FileOrigin origin,
 	Fn<void()> handler)
 : _key(key)
@@ -186,15 +186,15 @@ GroupThumbs::Thumb::Thumb(
 }
 
 QSize GroupThumbs::Thumb::wantedPixSize() const {
-	const auto originalWidth = std::max(_image->width(), 1);
-	const auto originalHeight = std::max(_image->height(), 1);
+	const auto originalWidth = _image ? std::max(_image->width(), 1) : 1;
+	const auto originalHeight = _image ? std::max(_image->height(), 1) : 1;
 	const auto pixHeight = st::mediaviewGroupHeight;
 	const auto pixWidth = originalWidth * pixHeight / originalHeight;
 	return { pixWidth, pixHeight };
 }
 
 void GroupThumbs::Thumb::validateImage() {
-	if (!_full.isNull()) {
+	if (!_full.isNull() || !_image) {
 		return;
 	}
 	_image->load(_origin);
@@ -516,20 +516,18 @@ auto GroupThumbs::createThumb(Key key)
 -> std::unique_ptr<Thumb> {
 	if (const auto photoId = base::get_if<PhotoId>(&key)) {
 		const auto photo = Auth().data().photo(*photoId);
-		return createThumb(
-			key,
-			photo->date ? photo->thumb : ImagePtr());
+		return createThumb(key, photo->thumbnail());
 	} else if (const auto msgId = base::get_if<FullMsgId>(&key)) {
 		if (const auto item = App::histItemById(*msgId)) {
 			if (const auto media = item->media()) {
 				if (const auto photo = media->photo()) {
-					return createThumb(key, photo->thumb);
+					return createThumb(key, photo->thumbnail());
 				} else if (const auto document = media->document()) {
-					return createThumb(key, document->thumb);
+					return createThumb(key, document->thumbnail());
 				}
 			}
 		}
-		return createThumb(key, ImagePtr());
+		return createThumb(key, nullptr);
 	} else if (const auto collageKey = base::get_if<CollageKey>(&key)) {
 		if (const auto itemId = base::get_if<FullMsgId>(&_context)) {
 			if (const auto item = App::histItemById(*itemId)) {
@@ -543,7 +541,7 @@ auto GroupThumbs::createThumb(Key key)
 				}
 			}
 		}
-		return createThumb(key, ImagePtr());
+		return createThumb(key, nullptr);
 	}
 	Unexpected("Value of Key in GroupThumbs::createThumb()");
 }
@@ -554,18 +552,18 @@ auto GroupThumbs::createThumb(
 	int index)
 -> std::unique_ptr<Thumb> {
 	if (index < 0 || index >= collage.items.size()) {
-		return createThumb(key, ImagePtr());
+		return createThumb(key, nullptr);
 	}
 	const auto &item = collage.items[index];
 	if (const auto photo = base::get_if<PhotoData*>(&item)) {
-		return createThumb(key, (*photo)->thumb);
+		return createThumb(key, (*photo)->thumbnail());
 	} else if (const auto document = base::get_if<DocumentData*>(&item)) {
-		return createThumb(key, (*document)->thumb);
+		return createThumb(key, (*document)->thumbnail());
 	}
-	return createThumb(key, ImagePtr());
+	return createThumb(key, nullptr);
 }
 
-auto GroupThumbs::createThumb(Key key, ImagePtr image)
+auto GroupThumbs::createThumb(Key key, Image *image)
 -> std::unique_ptr<Thumb> {
 	const auto weak = base::make_weak(this);
 	const auto origin = ComputeFileOrigin(key, _context);

Telegram/SourceFiles/media/view/media_view_group_thumbs.h

@@ -99,7 +99,7 @@ private:
 		Key key,
 		const WebPageCollage &collage,
 		int index);
-	std::unique_ptr<Thumb> createThumb(Key key, ImagePtr image);
+	std::unique_ptr<Thumb> createThumb(Key key, Image *image);
 
 	void update();
 	void countUpdatedRect();

Telegram/SourceFiles/mediaview.cpp

@@ -565,7 +565,7 @@ float64 MediaView::radialProgress() const {
 	if (_doc) {
 		return _doc->progress();
 	} else if (_photo) {
-		return _photo->full->progress();
+		return _photo->large()->progress();
 	}
 	return 1.;
 }
@@ -574,7 +574,7 @@ bool MediaView::radialLoading() const {
 	if (_doc) {
 		return _doc->loading();
 	} else if (_photo) {
-		return _photo->full->loading();
+		return _photo->large()->loading();
 	}
 	return false;
 }
@@ -897,7 +897,7 @@ void MediaView::onSaveAs() {
 				_photo->date),
 			crl::guard(this, [this, photo = _photo](const QString &result) {
 				if (!result.isEmpty() && _photo == photo && photo->loaded()) {
-					photo->full->pix(fileOrigin()).toImage().save(result, "JPG");
+					photo->large()->original().save(result, "JPG");
 				}
 				psShowOverAll(this);
 			}), crl::guard(this, [this] {
@@ -1019,7 +1019,7 @@ void MediaView::onDownload() {
 		} else {
 			if (!QDir().exists(path)) QDir().mkpath(path);
 			toName = filedialogDefaultName(qsl("photo"), qsl(".jpg"), path);
-			if (!_photo->full->pix(fileOrigin()).toImage().save(toName, "JPG")) {
+			if (!_photo->large()->original().save(toName, "JPG")) {
 				toName = QString();
 			}
 		}
@@ -1098,7 +1098,7 @@ void MediaView::onCopy() {
 	} else {
 		if (!_photo || !_photo->loaded()) return;
 
-		QApplication::clipboard()->setPixmap(_photo->full->pix(fileOrigin()));
+		QApplication::clipboard()->setPixmap(_photo->large()->pix(fileOrigin()));
 	}
 }
 
@@ -1538,6 +1538,10 @@ void MediaView::showDocument(not_null<DocumentData*> document, HistoryItem *cont
 }
 
 void MediaView::displayPhoto(not_null<PhotoData*> photo, HistoryItem *item) {
+	if (photo->isNull()) {
+		displayDocument(nullptr, item);
+		return;
+	}
 	stopGif();
 	destroyThemePreview();
 	_doc = _autoplayVideoDocument = nullptr;
@@ -1555,11 +1559,11 @@ void MediaView::displayPhoto(not_null<PhotoData*> photo, HistoryItem *item) {
 
 	_zoomToScreen = 0;
 	Auth().downloader().clearPriorities();
-	_full = -1;
+	_blurred = true;
 	_current = QPixmap();
 	_down = OverNone;
-	_w = ConvertScale(photo->full->width());
-	_h = ConvertScale(photo->full->height());
+	_w = ConvertScale(photo->width());
+	_h = ConvertScale(photo->height());
 	if (isHidden()) {
 		moveToScreen();
 	}
@@ -1618,10 +1622,10 @@ void MediaView::displayDocument(DocumentData *doc, HistoryItem *item) { // empty
 	}
 	if (_doc) {
 		if (_doc->sticker()) {
-			if (const auto image = _doc->getStickerImage()) {
+			if (const auto image = _doc->getStickerLarge()) {
 				_current = image->pix(fileOrigin());
-			} else {
-				_current = _doc->thumb->pixBlurred(
+			} else if (_doc->hasThumbnail()) {
+				_current = _doc->thumbnail()->pixBlurred(
 					fileOrigin(),
 					_doc->dimensions.width(),
 					_doc->dimensions.height());
@@ -1647,7 +1651,7 @@ void MediaView::displayDocument(DocumentData *doc, HistoryItem *item) { // empty
 
 	_docIconRect = QRect((width() - st::mediaviewFileIconSize) / 2, (height() - st::mediaviewFileIconSize) / 2, st::mediaviewFileIconSize, st::mediaviewFileIconSize);
 	if (fileBubbleShown()) {
-		if (!_doc || _doc->thumb->isNull()) {
+		if (!_doc || !_doc->hasThumbnail()) {
 			int32 colorIndex = documentColorIndex(_doc, _docExt);
 			_docIconColor = documentColor(colorIndex);
 			const style::icon *(thumbs[]) = { &st::mediaviewFileBlue, &st::mediaviewFileGreen, &st::mediaviewFileRed, &st::mediaviewFileYellow };
@@ -1660,8 +1664,8 @@ void MediaView::displayDocument(DocumentData *doc, HistoryItem *item) { // empty
 				_docExtWidth = st::mediaviewFileExtFont->width(_docExt);
 			}
 		} else {
-			_doc->thumb->load(fileOrigin());
-			int32 tw = _doc->thumb->width(), th = _doc->thumb->height();
+			_doc->loadThumbnail(fileOrigin());
+			int32 tw = _doc->thumbnail()->width(), th = _doc->thumbnail()->height();
 			if (!tw || !th) {
 				_docThumbx = _docThumby = _docThumbw = 0;
 			} else if (tw > th) {
@@ -1745,7 +1749,7 @@ void MediaView::displayDocument(DocumentData *doc, HistoryItem *item) { // empty
 	} else {
 		_from = _user;
 	}
-	_full = 1;
+	_blurred = false;
 	displayFinished();
 }
 
@@ -1794,10 +1798,10 @@ void MediaView::initAnimation() {
 	} else if (_doc->dimensions.width() && _doc->dimensions.height()) {
 		auto w = _doc->dimensions.width();
 		auto h = _doc->dimensions.height();
-		_current = _doc->thumb->pixNoCache(fileOrigin(), w, h, VideoThumbOptions(_doc), w / cIntRetinaFactor(), h / cIntRetinaFactor());
+		_current = _doc->thumbnail()->pixNoCache(fileOrigin(), w, h, VideoThumbOptions(_doc), w / cIntRetinaFactor(), h / cIntRetinaFactor());
 		_current.setDevicePixelRatio(cRetinaFactor());
 	} else {
-		_current = _doc->thumb->pixNoCache(fileOrigin(), _doc->thumb->width(), _doc->thumb->height(), VideoThumbOptions(_doc), st::mediaviewFileIconSize, st::mediaviewFileIconSize);
+		_current = _doc->thumbnail()->pixNoCache(fileOrigin(), _doc->thumbnail()->width(), _doc->thumbnail()->height(), VideoThumbOptions(_doc), st::mediaviewFileIconSize, st::mediaviewFileIconSize);
 	}
 }
 
@@ -1810,10 +1814,10 @@ void MediaView::createClipReader() {
 	if (_doc->dimensions.width() && _doc->dimensions.height()) {
 		int w = _doc->dimensions.width();
 		int h = _doc->dimensions.height();
-		_current = _doc->thumb->pixNoCache(fileOrigin(), w, h, VideoThumbOptions(_doc), w / cIntRetinaFactor(), h / cIntRetinaFactor());
+		_current = _doc->thumbnail()->pixNoCache(fileOrigin(), w, h, VideoThumbOptions(_doc), w / cIntRetinaFactor(), h / cIntRetinaFactor());
 		_current.setDevicePixelRatio(cRetinaFactor());
 	} else {
-		_current = _doc->thumb->pixNoCache(fileOrigin(), _doc->thumb->width(), _doc->thumb->height(), VideoThumbOptions(_doc), st::mediaviewFileIconSize, st::mediaviewFileIconSize);
+		_current = _doc->thumbnail()->pixNoCache(fileOrigin(), _doc->thumbnail()->width(), _doc->thumbnail()->height(), VideoThumbOptions(_doc), st::mediaviewFileIconSize, st::mediaviewFileIconSize);
 	}
 	auto mode = (_doc->isVideoFile() || _doc->isVideoMessage())
 		? Media::Clip::Reader::Mode::Video
@@ -2050,6 +2054,38 @@ void MediaView::updateSilentVideoPlaybackState() {
 	updateVideoPlaybackState(state);
 }
 
+void MediaView::validatePhotoImage(Image *image, bool blurred) {
+	if (!image || !image->loaded()) {
+		if (!blurred) {
+			image->load(fileOrigin());
+		}
+		return;
+	} else if (!_current.isNull() && (blurred || !_blurred)) {
+		return;
+	}
+	const auto w = _width * cIntRetinaFactor();
+	const auto h = int((_photo->height() * (qreal(w) / qreal(_photo->width()))) + 0.9999);
+	_current = image->pixNoCache(
+		fileOrigin(),
+		w,
+		h,
+		Images::Option::Smooth
+		| (blurred ? Images::Option::Blurred : Images::Option(0)));
+	_current.setDevicePixelRatio(cRetinaFactor());
+	_blurred = blurred;
+}
+
+void MediaView::validatePhotoCurrentImage() {
+	validatePhotoImage(_photo->large(), false);
+	validatePhotoImage(_photo->thumbnail(), true);
+	validatePhotoImage(_photo->thumbnailSmall(), true);
+	validatePhotoImage(_photo->thumbnailInline(), true);
+	if (_current.isNull()) {
+		_photo->loadThumbnailSmall(fileOrigin());
+		validatePhotoImage(Image::Blank().get(), true);
+	}
+}
+
 void MediaView::paintEvent(QPaintEvent *e) {
 	QRect r(e->rect());
 	QRegion region(e->region());
@@ -2082,39 +2118,24 @@ void MediaView::paintEvent(QPaintEvent *e) {
 
 	// photo
 	if (_photo) {
-		int32 w = _width * cIntRetinaFactor();
-		if (_full <= 0 && _photo->loaded()) {
-			int32 h = int((_photo->full->height() * (qreal(w) / qreal(_photo->full->width()))) + 0.9999);
-			_current = _photo->full->pixNoCache(fileOrigin(), w, h, Images::Option::Smooth);
-			_current.setDevicePixelRatio(cRetinaFactor());
-			_full = 1;
-		} else if (_full < 0 && _photo->medium->loaded()) {
-			int32 h = int((_photo->full->height() * (qreal(w) / qreal(_photo->full->width()))) + 0.9999);
-			_current = _photo->medium->pixNoCache(fileOrigin(), w, h, Images::Option::Smooth | Images::Option::Blurred);
-			_current.setDevicePixelRatio(cRetinaFactor());
-			_full = 0;
-		} else if (_current.isNull() && _photo->thumb->loaded()) {
-			int32 h = int((_photo->full->height() * (qreal(w) / qreal(_photo->full->width()))) + 0.9999);
-			_current = _photo->thumb->pixNoCache(fileOrigin(), w, h, Images::Option::Smooth | Images::Option::Blurred);
-			_current.setDevicePixelRatio(cRetinaFactor());
-		} else if (_current.isNull()) {
-			_current = _photo->thumb->pix(fileOrigin());
-		}
+		validatePhotoCurrentImage();
 	}
 	p.setOpacity(1);
 	if (_photo || fileShown()) {
 		QRect imgRect(_x, _y, _w, _h);
 		if (imgRect.intersects(r)) {
-			auto rounding = (_doc && _doc->isVideoMessage()) ? ImageRoundRadius::Ellipse : ImageRoundRadius::None;
-			auto toDraw = _current.isNull() ? _gif->current(_gif->width() / cIntRetinaFactor(), _gif->height() / cIntRetinaFactor(), _gif->width() / cIntRetinaFactor(), _gif->height() / cIntRetinaFactor(), rounding, RectPart::AllCorners, ms) : _current;
-			if (!_gif && (!_doc || !_doc->getStickerImage()) && toDraw.hasAlpha()) {
+			const auto rounding = (_doc && _doc->isVideoMessage()) ? ImageRoundRadius::Ellipse : ImageRoundRadius::None;
+			const auto toDraw = (_current.isNull() && _gif) ? _gif->current(_gif->width() / cIntRetinaFactor(), _gif->height() / cIntRetinaFactor(), _gif->width() / cIntRetinaFactor(), _gif->height() / cIntRetinaFactor(), rounding, RectPart::AllCorners, ms) : _current;
+			if (!_gif && (!_doc || !_doc->getStickerLarge()) && (toDraw.hasAlpha() || toDraw.isNull())) {
 				p.fillRect(imgRect, _transparentBrush);
 			}
-			if (toDraw.width() != _w * cIntRetinaFactor()) {
-				PainterHighQualityEnabler hq(p);
-				p.drawPixmap(QRect(_x, _y, _w, _h), toDraw);
-			} else {
-				p.drawPixmap(_x, _y, toDraw);
+			if (!toDraw.isNull()) {
+				if (toDraw.width() != _w * cIntRetinaFactor()) {
+					PainterHighQualityEnabler hq(p);
+					p.drawPixmap(QRect(_x, _y, _w, _h), toDraw);
+				} else {
+					p.drawPixmap(_x, _y, toDraw);
+				}
 			}
 
 			bool radial = false;
@@ -2165,7 +2186,7 @@ void MediaView::paintEvent(QPaintEvent *e) {
 						p.restoreTextPalette();
 						p.setOpacity(1);
 					}
-					if (_full >= 1) {
+					if (!_blurred) {
                         auto nextFrame = (dt < st::mediaviewSaveMsgShowing || hidingDt >= 0) ? int(AnimationTimerDelta) : (st::mediaviewSaveMsgShowing + st::mediaviewSaveMsgShown + 1 - dt);
 						_saveMsgUpdater.start(nextFrame);
 					}
@@ -2187,7 +2208,7 @@ void MediaView::paintEvent(QPaintEvent *e) {
 					radial = _radial.animating();
 					radialOpacity = _radial.opacity();
 				}
-				if (!_doc || _doc->thumb->isNull()) {
+				if (!_doc || !_doc->hasThumbnail()) {
 					p.fillRect(_docIconRect, _docIconColor);
 					if ((!_doc || _doc->loaded()) && (!radial || radialOpacity < 1) && _docIcon) {
 						_docIcon->paint(p, _docIconRect.x() + (_docIconRect.width() - _docIcon->width()), _docIconRect.y(), width());
@@ -2199,7 +2220,7 @@ void MediaView::paintEvent(QPaintEvent *e) {
 					}
 				} else {
 					int32 rf(cIntRetinaFactor());
-					p.drawPixmap(_docIconRect.topLeft(), _doc->thumb->pix(fileOrigin(), _docThumbw), QRect(_docThumbx * rf, _docThumby * rf, st::mediaviewFileIconSize * rf, st::mediaviewFileIconSize * rf));
+					p.drawPixmap(_docIconRect.topLeft(), _doc->thumbnail()->pix(fileOrigin(), _docThumbw), QRect(_docThumbx * rf, _docThumby * rf, st::mediaviewFileIconSize * rf, st::mediaviewFileIconSize * rf));
 				}
 
 				paintDocRadialLoading(p, radial, radialOpacity);
@@ -2720,10 +2741,10 @@ void MediaView::preloadData(int delta) {
 		if (auto photo = base::get_if<not_null<PhotoData*>>(&entity.data)) {
 			(*photo)->download(fileOrigin());
 		} else if (auto document = base::get_if<not_null<DocumentData*>>(&entity.data)) {
-			if (const auto image = (*document)->getStickerImage()) {
+			if (const auto image = (*document)->getStickerLarge()) {
 				image->load(fileOrigin());
 			} else {
-				(*document)->thumb->load(fileOrigin());
+				(*document)->loadThumbnail(fileOrigin());
 				(*document)->automaticLoad(fileOrigin(), entity.item);
 			}
 		}

Telegram/SourceFiles/mediaview.h

@@ -251,6 +251,9 @@ private:
 	void checkGroupThumbsAnimation();
 	void initGroupThumbs();
 
+	void validatePhotoImage(Image *image, bool blurred);
+	void validatePhotoCurrentImage();
+
 	QBrush _transparentBrush;
 
 	PhotoData *_photo = nullptr;
@@ -299,7 +302,7 @@ private:
 	int32 _dragging = 0;
 	QPixmap _current;
 	Media::Clip::ReaderPointer _gif;
-	int32 _full = -1; // -1 - thumb, 0 - medium, 1 - full
+	bool _blurred = true;
 
 	// Video without audio stream playback information.
 	bool _videoIsSilent = false;

Telegram/SourceFiles/overview/overview_layout.cpp

@@ -328,33 +328,23 @@ int32 Photo::resizeGetHeight(int32 width) {
 void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const PaintContext *context) {
 	bool good = _data->loaded(), selected = (selection == FullSelection);
 	if (!good) {
-		_data->medium->automaticLoad(parent()->fullId(), parent());
-		good = _data->medium->loaded();
+		_data->thumbnail()->automaticLoad(parent()->fullId(), parent());
+		good = _data->thumbnail()->loaded();
 	}
 	if ((good && !_goodLoaded) || _pix.width() != _width * cIntRetinaFactor()) {
 		_goodLoaded = good;
-
-		int32 size = _width * cIntRetinaFactor();
-		if (_goodLoaded || _data->thumb->loaded()) {
-			auto img = (_data->loaded() ? _data->full : (_data->medium->loaded() ? _data->medium : _data->thumb))->pix(parent()->fullId()).toImage();
-			if (!_goodLoaded) {
-				img = Images::prepareBlur(std::move(img));
+		_pix = QPixmap();
+		if (_goodLoaded) {
+			setPixFrom(_data->loaded()
+				? _data->large()
+				: _data->thumbnail());
+		} else if (_data->thumbnailSmall()->loaded()) {
+			setPixFrom(_data->thumbnailSmall());
+		} else if (const auto blurred = _data->thumbnailInline()) {
+			blurred->load({});
+			if (blurred->loaded()) {
+				setPixFrom(blurred);
 			}
-			if (img.width() == img.height()) {
-				if (img.width() != size) {
-					img = img.scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
-				}
-			} else if (img.width() > img.height()) {
-				img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
-			} else {
-				img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
-			}
-			img.setDevicePixelRatio(cRetinaFactor());
-			_data->unload();
-
-			_pix = App::pixmapFromImageInPlace(std::move(img));
-		} else if (!_pix.isNull()) {
-			_pix = QPixmap();
 		}
 	}
 
@@ -373,6 +363,29 @@ void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const
 	paintCheckbox(p, { checkLeft, checkTop }, selected, context);
 }
 
+void Photo::setPixFrom(not_null<Image*> image) {
+	Expects(image->loaded());
+
+	const auto size = _width * cIntRetinaFactor();
+	auto img = image->original();
+	if (!_goodLoaded) {
+		img = Images::prepareBlur(std::move(img));
+	}
+	if (img.width() == img.height()) {
+		if (img.width() != size) {
+			img = img.scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+		}
+	} else if (img.width() > img.height()) {
+		img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+	} else {
+		img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+	}
+	img.setDevicePixelRatio(cRetinaFactor());
+	_data->unload();
+
+	_pix = App::pixmapFromImageInPlace(std::move(img));
+}
+
 TextState Photo::getState(
 		QPoint point,
 		StateRequest request) const {
@@ -387,10 +400,9 @@ Video::Video(
 	not_null<DocumentData*> video)
 : RadialProgressItem(parent)
 , _data(video)
-, _duration(formatDurationText(_data->duration()))
-, _thumbLoaded(false) {
+, _duration(formatDurationText(_data->duration())) {
 	setDocumentLinks(_data);
-	_data->thumb->load(parent->fullId());
+	_data->loadThumbnail(parent->fullId());
 }
 
 void Video::initDimensions() {
@@ -405,7 +417,10 @@ int32 Video::resizeGetHeight(int32 width) {
 }
 
 void Video::paint(Painter &p, const QRect &clip, TextSelection selection, const PaintContext *context) {
-	bool selected = (selection == FullSelection), thumbLoaded = _data->thumb->loaded();
+	const auto selected = (selection == FullSelection);
+	const auto blurred = _data->thumbnailInline();
+	const auto thumbLoaded = _data->hasThumbnail()
+		&& _data->thumbnail()->loaded();
 
 	_data->automaticLoad(parent()->fullId(), parent());
 	bool loaded = _data->loaded(), displayLoading = _data->displayLoading();
@@ -418,28 +433,25 @@ void Video::paint(Painter &p, const QRect &clip, TextSelection selection, const
 	updateStatusText();
 	bool radial = isRadialAnimation(context->ms);
 
-	if ((thumbLoaded && !_thumbLoaded) || (_pix.width() != _width * cIntRetinaFactor())) {
-		_thumbLoaded = thumbLoaded;
-
-		if (_thumbLoaded && !_data->thumb->isNull()) {
-			auto size = _width * cIntRetinaFactor();
-			auto img = Images::prepareBlur(_data->thumb->pix(parent()->fullId()).toImage());
-			if (img.width() == img.height()) {
-				if (img.width() != size) {
-					img = img.scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
-				}
-			} else if (img.width() > img.height()) {
-				img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
-			} else {
-				img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+	if ((blurred || thumbLoaded)
+		&& (_pix.width() != _width * cIntRetinaFactor())) {
+		auto size = _width * cIntRetinaFactor();
+		auto img = thumbLoaded
+			? _data->thumbnail()->original()
+			: Images::prepareBlur(blurred->original());
+		if (img.width() == img.height()) {
+			if (img.width() != size) {
+				img = img.scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
 			}
-			img.setDevicePixelRatio(cRetinaFactor());
-			_data->unload();
-
-			_pix = App::pixmapFromImageInPlace(std::move(img));
-		} else if (!_pix.isNull()) {
-			_pix = QPixmap();
+		} else if (img.width() > img.height()) {
+			img = img.copy((img.width() - img.height()) / 2, 0, img.height(), img.height()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
+		} else {
+			img = img.copy(0, (img.height() - img.width()) / 2, img.width(), img.width()).scaled(size, size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
 		}
+		img.setDevicePixelRatio(cRetinaFactor());
+		_data->unload();
+
+		_pix = App::pixmapFromImageInPlace(std::move(img));
 	}
 
 	if (_pix.isNull()) {
@@ -582,7 +594,7 @@ Voice::Voice(
 	AddComponents(Info::Bit());
 
 	setDocumentLinks(_data);
-	_data->thumb->load(parent->fullId());
+	_data->loadThumbnail(parent->fullId());
 
 	updateName();
 	const auto dateText = textcmdLink(
@@ -641,22 +653,28 @@ void Voice::paint(Painter &p, const QRect &clip, TextSelection selection, const
 		_width);
 	if (clip.intersects(inner)) {
 		p.setPen(Qt::NoPen);
-		const auto drawThumb = !_data->thumb->isNull()
-			&& _data->thumb->loaded();
-		if (drawThumb) {
-			const auto thumb = _data->thumb->pixCircled(
-				parent()->fullId(),
-				inner.width(),
-				inner.height());
+		const auto thumbLoaded = _data->hasThumbnail()
+			&& _data->thumbnail()->loaded();
+		const auto blurred = _data->thumbnailInline();
+		if (thumbLoaded || blurred) {
+			const auto thumb = thumbLoaded
+				? _data->thumbnail()->pixCircled(
+					parent()->fullId(),
+					inner.width(),
+					inner.height())
+				: blurred->pixBlurredCircled(
+					parent()->fullId(),
+					inner.width(),
+					inner.height());
 			p.drawPixmap(inner.topLeft(), thumb);
-		} else if (!_data->thumb->isNull()) {
+		} else if (_data->hasThumbnail()) {
 			PainterHighQualityEnabler hq(p);
 			p.setBrush(st::imageBg);
 			p.drawEllipse(inner);
 		}
 		if (selected) {
-			p.setBrush(drawThumb ? st::msgDateImgBgSelected : st::msgFileInBgSelected);
-		} else if (!_data->thumb->isNull()) {
+			p.setBrush((thumbLoaded || blurred) ? st::msgDateImgBgSelected : st::msgFileInBgSelected);
+		} else if (_data->hasThumbnail()) {
 			auto over = ClickHandler::showAsActive(loaded ? _openl : (_data->loading() ? _cancell : _openl));
 			p.setBrush(anim::brush(st::msgDateImgBg, st::msgDateImgBgOver, _a_iconOver.current(context->ms, over ? 1. : 0.)));
 		} else {
@@ -868,8 +886,8 @@ Document::Document(
 	_status.update(FileStatusSizeReady, _data->size, _data->isSong() ? _data->song()->duration : -1, 0);
 
 	if (withThumb()) {
-		_data->thumb->load(parent->fullId());
-		int32 tw = ConvertScale(_data->thumb->width()), th = ConvertScale(_data->thumb->height());
+		_data->loadThumbnail(parent->fullId());
+		int32 tw = ConvertScale(_data->thumbnail()->width()), th = ConvertScale(_data->thumbnail()->height());
 		if (tw > th) {
 			_thumbw = (tw * _st.fileThumbSize) / th;
 		} else {
@@ -967,12 +985,16 @@ void Document::paint(Painter &p, const QRect &clip, TextSelection selection, con
 		QRect rthumb(rtlrect(0, st::linksBorder + _st.filePadding.top(), _st.fileThumbSize, _st.fileThumbSize, _width));
 		if (clip.intersects(rthumb)) {
 			if (wthumb) {
-				if (_data->thumb->loaded()) {
-					if (_thumb.isNull() || loaded != _thumbForLoaded) {
-						_thumbForLoaded = loaded;
+				const auto thumbLoaded = _data->thumbnail()->loaded();
+				const auto blurred = _data->thumbnailInline();
+				if (thumbLoaded || blurred) {
+					if (_thumb.isNull() || (thumbLoaded && !_thumbLoaded)) {
+						_thumbLoaded = thumbLoaded;
 						auto options = Images::Option::Smooth | Images::Option::None;
-						if (!_thumbForLoaded) options |= Images::Option::Blurred;
-						_thumb = _data->thumb->pixNoCache(parent()->fullId(), _thumbw * cIntRetinaFactor(), 0, options, _st.fileThumbSize, _st.fileThumbSize);
+						if (!_thumbLoaded) options |= Images::Option::Blurred;
+						_thumb = (_thumbLoaded
+							? _data->thumbnail()
+							: blurred)->pixNoCache(parent()->fullId(), _thumbw * cIntRetinaFactor(), 0, options, _st.fileThumbSize, _st.fileThumbSize);
 					}
 					p.drawPixmap(rthumb.topLeft(), _thumb);
 				} else {
@@ -1132,7 +1154,7 @@ TextState Document::getState(
 				return { parent(), _msgl };
 			}
 		}
-		if (!_data->loading() && _data->isValid()) {
+		if (!_data->loading() && !_data->isNull()) {
 			auto leftofnamerect = rtlrect(
 				0,
 				st::linksBorder,
@@ -1180,9 +1202,9 @@ bool Document::iconAnimated() const {
 
 bool Document::withThumb() const {
 	return !_data->isSong()
-		&& !_data->thumb->isNull()
-		&& _data->thumb->width()
-		&& _data->thumb->height()
+		&& _data->hasThumbnail()
+		&& _data->thumbnail()->width()
+		&& _data->thumbnail()->height()
 		&& !Data::IsExecutableName(_data->filename());
 }
 
@@ -1304,19 +1326,19 @@ Link::Link(
 	}
 	int32 tw = 0, th = 0;
 	if (_page && _page->photo) {
-		if (!_page->photo->loaded()) {
-			_page->photo->thumb->load(parent->fullId(), false, false);
+		if (!_page->photo->loaded()
+			&& !_page->photo->thumbnail()->loaded()
+			&& !_page->photo->thumbnailSmall()->loaded()) {
+			_page->photo->loadThumbnailSmall(parent->fullId());
 		}
 
-		tw = ConvertScale(_page->photo->thumb->width());
-		th = ConvertScale(_page->photo->thumb->height());
-	} else if (_page && _page->document) {
-		if (!_page->document->thumb->loaded()) {
-			_page->document->thumb->load(parent->fullId(), false, false);
-		}
+		tw = ConvertScale(_page->photo->width());
+		th = ConvertScale(_page->photo->height());
+	} else if (_page && _page->document && _page->document->hasThumbnail()) {
+		_page->document->loadThumbnail(parent->fullId());
 
-		tw = ConvertScale(_page->document->thumb->width());
-		th = ConvertScale(_page->document->thumb->height());
+		tw = ConvertScale(_page->document->thumbnail()->width());
+		th = ConvertScale(_page->document->thumbnail()->height());
 	}
 	if (tw > st::linksPhotoSize) {
 		if (th > tw) {
@@ -1397,19 +1419,21 @@ void Link::paint(Painter &p, const QRect &clip, TextSelection selection, const P
 	if (clip.intersects(rtlrect(0, pixTop, st::linksPhotoSize, st::linksPhotoSize, _width))) {
 		if (_page && _page->photo) {
 			QPixmap pix;
-			if (_page->photo->medium->loaded()) {
-				pix = _page->photo->medium->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
+			if (_page->photo->thumbnail()->loaded()) {
+				pix = _page->photo->thumbnail()->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
 			} else if (_page->photo->loaded()) {
-				pix = _page->photo->full->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
-			} else {
-				pix = _page->photo->thumb->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
+				pix = _page->photo->large()->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
+			} else if (_page->photo->thumbnailSmall()->loaded()) {
+				pix = _page->photo->thumbnailSmall()->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
+			} else if (const auto blurred = _page->photo->thumbnailInline()) {
+				pix = blurred->pixBlurredSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, ImageRoundRadius::Small);
 			}
 			p.drawPixmapLeft(pixLeft, pixTop, _width, pix);
-		} else if (_page && _page->document && !_page->document->thumb->isNull()) {
+		} else if (_page && _page->document && _page->document->hasThumbnail()) {
 			auto roundRadius = _page->document->isVideoMessage()
 				? ImageRoundRadius::Ellipse
 				: ImageRoundRadius::Small;
-			p.drawPixmapLeft(pixLeft, pixTop, _width, _page->document->thumb->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, roundRadius));
+			p.drawPixmapLeft(pixLeft, pixTop, _width, _page->document->thumbnail()->pixSingle(parent()->fullId(), _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize, roundRadius));
 		} else {
 			const auto index = _letter.isEmpty()
 				? 0

Telegram/SourceFiles/overview/overview_layout.h

@@ -208,6 +208,8 @@ public:
 		StateRequest request) const override;
 
 private:
+	void setPixFrom(not_null<Image*> image);
+
 	not_null<PhotoData*> _data;
 	ClickHandlerPtr _link;
 
@@ -241,7 +243,6 @@ private:
 
 	QString _duration;
 	QPixmap _pix;
-	bool _thumbLoaded = false;
 
 	void updateStatusText();
 
@@ -315,7 +316,7 @@ private:
 
 	const style::OverviewFileLayout &_st;
 
-	bool _thumbForLoaded = false;
+	bool _thumbLoaded = false;
 	QPixmap _thumb;
 
 	Text _name;

Telegram/SourceFiles/settings/settings_chat.cpp

@@ -146,7 +146,7 @@ void BackgroundRow::paintEvent(QPaintEvent *e) {
 	}
 	if (radial) {
 		const auto backThumb = App::main()->newBackgroundThumb();
-		if (backThumb->isNull()) {
+		if (!backThumb) {
 			p.drawPixmap(0, 0, _background);
 		} else {
 			const auto &pix = backThumb->pixBlurred(

Telegram/SourceFiles/storage/file_upload.cpp

@@ -150,11 +150,11 @@ void Uploader::uploadMedia(
 		Auth().data().processPhoto(media.photo, media.photoThumbs);
 	} else if (media.type == SendMediaType::File
 		|| media.type == SendMediaType::Audio) {
-		const auto document = media.photoThumbs.isEmpty()
+		const auto document = media.photoThumbs.empty()
 			? Auth().data().processDocument(media.document)
 			: Auth().data().processDocument(
 				media.document,
-				base::duplicate(media.photoThumbs.begin().value()));
+				base::duplicate(media.photoThumbs.front().second));
 		if (!media.data.isEmpty()) {
 			document->setData(media.data);
 			if (document->saveToCache()

Telegram/SourceFiles/storage/localimageloader.cpp

@@ -198,7 +198,7 @@ SendMediaReady PreparePeerPhoto(PeerId peerId, QImage &&image) {
 				MTP_long(0)),
 			MTP_int(image.width()),
 			MTP_int(image.height()), MTP_int(0)));
-		photoThumbs.insert(type[0], std::move(image));
+		photoThumbs.emplace(type[0], std::move(image));
 	};
 	push("a", scaled(160));
 	push("b", scaled(320));
@@ -795,15 +795,15 @@ void FileLoadTask::process() {
 				attributes.push_back(MTP_documentAttributeAnimated());
 			} else if (_type != SendMediaType::File) {
 				auto thumb = (w > 100 || h > 100) ? fullimage.scaled(100, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
-				photoThumbs.insert('s', thumb);
+				photoThumbs.emplace('s', thumb);
 				photoSizes.push_back(MTP_photoSize(MTP_string("s"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0)));
 
 				auto medium = (w > 320 || h > 320) ? fullimage.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
-				photoThumbs.insert('m', medium);
+				photoThumbs.emplace('m', medium);
 				photoSizes.push_back(MTP_photoSize(MTP_string("m"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(medium.width()), MTP_int(medium.height()), MTP_int(0)));
 
 				auto full = (w > 1280 || h > 1280) ? fullimage.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
-				photoThumbs.insert('y', full);
+				photoThumbs.emplace('y', full);
 				photoSizes.push_back(MTP_photoSize(MTP_string("y"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));
 
 				{

Telegram/SourceFiles/storage/localstorage.cpp

@@ -3753,6 +3753,7 @@ void importOldRecentStickers() {
 			attributes,
 			mime,
 			ImagePtr(),
+			ImagePtr(),
 			dc,
 			size,
 			StorageImageLocation());

Telegram/SourceFiles/storage/serialize_document.cpp

@@ -49,7 +49,11 @@ void Document::writeToStream(QDataStream &stream, DocumentData *document) {
 		writeStorageImageLocation(stream, document->sticker()->loc);
 	} else {
 		stream << qint32(document->duration());
-		writeStorageImageLocation(stream, document->thumb->location());
+		if (const auto thumb = document->thumbnail()) {
+			writeStorageImageLocation(stream, thumb->location());
+		} else {
+			writeStorageImageLocation(stream, StorageImageLocation());
+		}
 	}
 }
 
@@ -137,6 +141,7 @@ DocumentData *Document::readFromStreamHelper(int streamAppVersion, QDataStream &
 		date,
 		attributes,
 		mime,
+		ImagePtr(),
 		thumb.isNull() ? ImagePtr() : Images::Create(thumb),
 		dc,
 		size,
@@ -172,7 +177,11 @@ int Document::sizeInStream(DocumentData *document) {
 		// + duration
 		result += sizeof(qint32);
 		// + thumb loc
-		result += Serialize::storageImageLocationSize(document->thumb->location());
+		if (const auto thumb = document->thumbnail()) {
+			result += Serialize::storageImageLocationSize(thumb->location());
+		} else {
+			result += Serialize::storageImageLocationSize(StorageImageLocation());
+		}
 	}
 
 	return result;

Telegram/SourceFiles/ui/image/image.cpp

@@ -755,7 +755,9 @@ QImage Image::original() const {
 	return _data;
 }
 
-void Image::automaticLoad(Data::FileOrigin origin, const HistoryItem *item) {
+void Image::automaticLoad(
+		Data::FileOrigin origin,
+		const HistoryItem *item) {
 	if (!loaded()) {
 		_source->automaticLoad(origin, item);
 	}

Telegram/SourceFiles/ui/image/image.h

@@ -198,6 +198,9 @@ public:
 	int height() const {
 		return _source->height();
 	}
+	QSize size() const {
+		return { width(), height() };
+	}
 	int bytesSize() const {
 		return _source->bytesSize();
 	}

Telegram/SourceFiles/ui/image/image_prepare.cpp

@@ -49,6 +49,9 @@ QPixmap PixmapFast(QImage &&image) {
 }
 
 QImage prepareBlur(QImage img) {
+	if (img.isNull()) {
+		return img;
+	}
 	auto ratio = img.devicePixelRatio();
 	auto fmt = img.format();
 	if (fmt != QImage::Format_RGB32 && fmt != QImage::Format_ARGB32_Premultiplied) {

Telegram/SourceFiles/window/layer_widget.cpp

@@ -892,11 +892,6 @@ void MediaPreviewWidget::showPreview(
 void MediaPreviewWidget::showPreview(
 		Data::FileOrigin origin,
 		not_null<PhotoData*> photo) {
-	if (photo->full->isNull()) {
-		hidePreview();
-		return;
-	}
-
 	startShow();
 	_origin = origin;
 	_photo = photo;
@@ -965,7 +960,7 @@ QSize MediaPreviewWidget::currentDimensions() const {
 
 	QSize result, box;
 	if (_photo) {
-		result = QSize(_photo->full->width(), _photo->full->height());
+		result = QSize(_photo->width(), _photo->height());
 		box = QSize(width() - 2 * st::boxVerticalMargin, height() - 2 * st::boxVerticalMargin);
 	} else {
 		result = _document->dimensions;
@@ -997,13 +992,15 @@ QPixmap MediaPreviewWidget::currentImage() const {
 	if (_document) {
 		if (_document->sticker()) {
 			if (_cacheStatus != CacheLoaded) {
-				if (const auto image = _document->getStickerImage()) {
+				if (const auto image = _document->getStickerLarge()) {
 					QSize s = currentDimensions();
 					_cache = image->pix(_origin, s.width(), s.height());
 					_cacheStatus = CacheLoaded;
-				} else if (_cacheStatus != CacheThumbLoaded && _document->thumb->loaded()) {
+				} else if (_cacheStatus != CacheThumbLoaded
+					&& _document->hasThumbnail()
+					&& _document->thumbnail()->loaded()) {
 					QSize s = currentDimensions();
-					_cache = _document->thumb->pixBlurred(_origin, s.width(), s.height());
+					_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
 					_cacheStatus = CacheThumbLoaded;
 				}
 			}
@@ -1023,26 +1020,43 @@ QPixmap MediaPreviewWidget::currentImage() const {
 				auto paused = _controller->isGifPausedAtLeastFor(Window::GifPauseReason::MediaPreview);
 				return _gif->current(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None, paused ? 0 : getms());
 			}
-			if (_cacheStatus != CacheThumbLoaded && _document->thumb->loaded()) {
+			if (_cacheStatus != CacheThumbLoaded
+				&& _document->hasThumbnail()) {
 				QSize s = currentDimensions();
-				_cache = _document->thumb->pixBlurred(_origin, s.width(), s.height());
-				_cacheStatus = CacheThumbLoaded;
+				if (_document->thumbnail()->loaded()) {
+					_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
+					_cacheStatus = CacheThumbLoaded;
+				} else if (const auto blurred = _document->thumbnailInline()) {
+					_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
+					_cacheStatus = CacheThumbLoaded;
+				} else {
+					_document->thumbnail()->load(_origin);
+				}
 			}
 		}
 	} else if (_photo) {
 		if (_cacheStatus != CacheLoaded) {
-			if (_photo->full->loaded()) {
+			if (_photo->loaded()) {
 				QSize s = currentDimensions();
-				_cache = _photo->full->pix(_origin, s.width(), s.height());
+				_cache = _photo->large()->pix(_origin, s.width(), s.height());
 				_cacheStatus = CacheLoaded;
 			} else {
-				if (_cacheStatus != CacheThumbLoaded && _photo->thumb->loaded()) {
+				_photo->load(_origin);
+				if (_cacheStatus != CacheThumbLoaded) {
 					QSize s = currentDimensions();
-					_cache = _photo->thumb->pixBlurred(_origin, s.width(), s.height());
-					_cacheStatus = CacheThumbLoaded;
+					if (_photo->thumbnail()->loaded()) {
+						_cache = _photo->thumbnail()->pixBlurred(_origin, s.width(), s.height());
+						_cacheStatus = CacheThumbLoaded;
+					} else if (_photo->thumbnailSmall()->loaded()) {
+						_cache = _photo->thumbnailSmall()->pixBlurred(_origin, s.width(), s.height());
+						_cacheStatus = CacheThumbLoaded;
+					} else if (const auto blurred = _photo->thumbnailInline()) {
+						_cache = blurred->pixBlurred(_origin, s.width(), s.height());
+						_cacheStatus = CacheThumbLoaded;
+					} else {
+						_photo->thumbnailSmall()->load(_origin);
+					}
 				}
-				_photo->thumb->load(_origin);
-				_photo->full->load(_origin);
 			}
 		}
 

Telegram/SourceFiles/window/themes/window_theme.h

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+class Image;
+
 namespace Data {
 
 struct WallPaper {
@@ -14,7 +16,7 @@ struct WallPaper {
 	uint64 accessHash = 0;
 	MTPDwallPaper::Flags flags;
 	QString slug;
-	ImagePtr thumb;
+	Image *thumb = nullptr;
 	DocumentData *document = nullptr;
 };