kepka/Telegram/SourceFiles/history/history_media.cpp

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "history/history_media.h"

#include "lang.h"
#include "mainwidget.h"
#include "mainwindow.h"
#include "localstorage.h"
#include "playerwidget.h"
#include "media/media_audio.h"
#include "media/media_clip_reader.h"
#include "boxes/confirmbox.h"
#include "boxes/addcontactbox.h"
#include "core/click_handler_types.h"
#include "history/history_location_manager.h"

namespace {

TextParseOptions _webpageTitleOptions = {
	TextParseMultiline | TextParseRichText, // flags
	0, // maxw
	0, // maxh
	Qt::LayoutDirectionAuto, // dir
};
TextParseOptions _webpageDescriptionOptions = {
	TextParseLinks | TextParseMultiline | TextParseRichText, // flags
	0, // maxw
	0, // maxh
	Qt::LayoutDirectionAuto, // dir
};
TextParseOptions _twitterDescriptionOptions = {
	TextParseLinks | TextParseMentions | TextTwitterMentions | TextParseHashtags | TextTwitterHashtags | TextParseMultiline | TextParseRichText, // flags
	0, // maxw
	0, // maxh
	Qt::LayoutDirectionAuto, // dir
};
TextParseOptions _instagramDescriptionOptions = {
	TextParseLinks | TextParseMentions | TextInstagramMentions | TextParseHashtags | TextInstagramHashtags | TextParseMultiline | TextParseRichText, // flags
	0, // maxw
	0, // maxh
	Qt::LayoutDirectionAuto, // dir
};

inline void initTextOptions() {
	_webpageTitleOptions.maxw = st::msgMaxWidth - st::msgPadding.left() - st::msgPadding.right() - st::webPageLeft;
	_webpageTitleOptions.maxh = st::webPageTitleFont->height * 2;
	_webpageDescriptionOptions.maxw = st::msgMaxWidth - st::msgPadding.left() - st::msgPadding.right() - st::webPageLeft;
	_webpageDescriptionOptions.maxh = st::webPageDescriptionFont->height * 3;
}

bool needReSetInlineResultDocument(const MTPMessageMedia &media, DocumentData *existing) {
	if (media.type() == mtpc_messageMediaDocument) {
		if (DocumentData *document = App::feedDocument(media.c_messageMediaDocument().vdocument)) {
			if (document == existing) {
				return false;
			} else {
				document->collectLocalData(existing);
			}
		}
	}
	return true;
}

} // namespace

void historyInitMedia() {
	initTextOptions();
}

RadialAnimation::RadialAnimation(AnimationCallbacks &&callbacks)
: a_arcEnd(0, 0)
, a_arcStart(0, FullArcLength)
, _animation(std_::move(callbacks)) {
}

void RadialAnimation::start(float64 prg) {
	_firstStart = _lastStart = _lastTime = getms();
	int32 iprg = qRound(qMax(prg, 0.0001) * AlmostFullArcLength), iprgstrict = qRound(prg * AlmostFullArcLength);
	a_arcEnd = anim::ivalue(iprgstrict, iprg);
	_animation.start();
}

void RadialAnimation::update(float64 prg, bool finished, uint64 ms) {
	int32 iprg = qRound(qMax(prg, 0.0001) * AlmostFullArcLength);
	if (iprg != a_arcEnd.to()) {
		a_arcEnd.start(iprg);
		_lastStart = _lastTime;
	}
	_lastTime = ms;

	float64 dt = float64(ms - _lastStart), fulldt = float64(ms - _firstStart);
	_opacity = qMin(fulldt / st::radialDuration, 1.);
	if (!finished) {
		a_arcEnd.update(1. - (st::radialDuration / (st::radialDuration + dt)), anim::linear);
	} else if (dt >= st::radialDuration) {
		a_arcEnd.update(1, anim::linear);
		stop();
	} else {
		float64 r = dt / st::radialDuration;
		a_arcEnd.update(r, anim::linear);
		_opacity *= 1 - r;
	}
	float64 fromstart = fulldt / st::radialPeriod;
	a_arcStart.update(fromstart - std::floor(fromstart), anim::linear);
}

void RadialAnimation::stop() {
	_firstStart = _lastStart = _lastTime = 0;
	a_arcEnd = anim::ivalue(0, 0);
	_animation.stop();
}

void RadialAnimation::step(uint64 ms) {
	_animation.step(ms);
}

void RadialAnimation::draw(Painter &p, const QRect &inner, int32 thickness, const style::color &color) {
	float64 o = p.opacity();
	p.setOpacity(o * _opacity);

	QPen pen(color->p), was(p.pen());
	pen.setWidth(thickness);
	p.setPen(pen);

	int32 len = MinArcLength + a_arcEnd.current();
	int32 from = QuarterArcLength - a_arcStart.current() - len;
	if (rtl()) {
		from = QuarterArcLength - (from - QuarterArcLength) - len;
		if (from < 0) from += FullArcLength;
	}

	p.setRenderHint(QPainter::HighQualityAntialiasing);
	p.drawArc(inner, from, len);
	p.setRenderHint(QPainter::HighQualityAntialiasing, false);

	p.setPen(was);
	p.setOpacity(o);
}

QString HistoryMedia::inDialogsText() const {
	auto result = notificationText();
	return result.isEmpty() ? QString() : textcmdLink(1, textClean(result));
}

namespace {

int32 documentMaxStatusWidth(DocumentData *document) {
	int32 result = st::normalFont->width(formatDownloadText(document->size, document->size));
	if (SongData *song = document->song()) {
		result = qMax(result, st::normalFont->width(formatPlayedText(song->duration, song->duration)));
		result = qMax(result, st::normalFont->width(formatDurationAndSizeText(song->duration, document->size)));
	} else if (VoiceData *voice = document->voice()) {
		result = qMax(result, st::normalFont->width(formatPlayedText(voice->duration, voice->duration)));
		result = qMax(result, st::normalFont->width(formatDurationAndSizeText(voice->duration, document->size)));
	} else if (document->isVideo()) {
		result = qMax(result, st::normalFont->width(formatDurationAndSizeText(document->duration(), document->size)));
	} else {
		result = qMax(result, st::normalFont->width(formatSizeText(document->size)));
	}
	return result;
}

int32 gifMaxStatusWidth(DocumentData *document) {
	int32 result = st::normalFont->width(formatDownloadText(document->size, document->size));
	result = qMax(result, st::normalFont->width(formatGifAndSizeText(document->size)));
	return result;
}

TextWithEntities captionedSelectedText(const QString &attachType, const Text &caption, TextSelection selection) {
	if (selection != FullSelection) {
		return caption.originalTextWithEntities(selection, ExpandLinksAll);
	}

	TextWithEntities result, original;
	if (!caption.isEmpty()) {
		original = caption.originalTextWithEntities(AllTextSelection, ExpandLinksAll);
	}
	result.text.reserve(5 + attachType.size() + original.text.size());
	result.text.append(qstr("[ ")).append(attachType).append(qstr(" ]"));
	if (!caption.isEmpty()) {
		result.text.append(qstr("\n"));
		appendTextWithEntities(result, std_::move(original));
	}
	return result;
}

QString captionedNotificationText(const QString &attachType, const Text &caption) {
	if (caption.isEmpty()) {
		return attachType;
	}

	auto captionText = caption.originalText();
	auto attachTypeWrapped = lng_dialogs_text_media_wrapped(lt_media, attachType);
	return lng_dialogs_text_media(lt_media_part, attachTypeWrapped, lt_caption, captionText);
}

QString captionedInDialogsText(const QString &attachType, const Text &caption) {
	if (caption.isEmpty()) {
		return textcmdLink(1, textClean(attachType));
	}

	auto captionText = textClean(caption.originalText());
	auto attachTypeWrapped = textcmdLink(1, lng_dialogs_text_media_wrapped(lt_media, textClean(attachType)));
	return lng_dialogs_text_media(lt_media_part, attachTypeWrapped, lt_caption, captionText);
}

} // namespace

void HistoryFileMedia::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
	if (p == _savel || p == _cancell) {
		if (active && !dataLoaded()) {
			ensureAnimation();
			_animation->a_thumbOver.start(1);
			_animation->_a_thumbOver.start();
		} else if (!active && _animation) {
			_animation->a_thumbOver.start(0);
			_animation->_a_thumbOver.start();
		}
	}
}

void HistoryFileMedia::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
	Ui::repaintHistoryItem(_parent);
}

void HistoryFileMedia::setLinks(ClickHandlerPtr &&openl, ClickHandlerPtr &&savel, ClickHandlerPtr &&cancell) {
	_openl = std_::move(openl);
	_savel = std_::move(savel);
	_cancell = std_::move(cancell);
}

void HistoryFileMedia::setStatusSize(int32 newSize, int32 fullSize, int32 duration, qint64 realDuration) const {
	_statusSize = newSize;
	if (_statusSize == FileStatusSizeReady) {
		_statusText = (duration >= 0) ? formatDurationAndSizeText(duration, fullSize) : (duration < -1 ? formatGifAndSizeText(fullSize) : formatSizeText(fullSize));
	} else if (_statusSize == FileStatusSizeLoaded) {
		_statusText = (duration >= 0) ? formatDurationText(duration) : (duration < -1 ? qsl("GIF") : formatSizeText(fullSize));
	} else if (_statusSize == FileStatusSizeFailed) {
		_statusText = lang(lng_attach_failed);
	} else if (_statusSize >= 0) {
		_statusText = formatDownloadText(_statusSize, fullSize);
	} else {
		_statusText = formatPlayedText(-_statusSize - 1, realDuration);
	}
}

void HistoryFileMedia::step_thumbOver(float64 ms, bool timer) {
	float64 dt = ms / st::msgFileOverDuration;
	if (dt >= 1) {
		_animation->a_thumbOver.finish();
		_animation->_a_thumbOver.stop();
		checkAnimationFinished();
	} else if (!timer) {
		_animation->a_thumbOver.update(dt, anim::linear);
	}
	if (timer) {
		Ui::repaintHistoryItem(_parent);
	}
}

void HistoryFileMedia::step_radial(uint64 ms, bool timer) {
	if (timer) {
		Ui::repaintHistoryItem(_parent);
	} else {
		_animation->radial.update(dataProgress(), dataFinished(), ms);
		if (!_animation->radial.animating()) {
			checkAnimationFinished();
		}
	}
}

void HistoryFileMedia::ensureAnimation() const {
	if (!_animation) {
		_animation = new AnimationData(
			animation(const_cast<HistoryFileMedia*>(this), &HistoryFileMedia::step_thumbOver),
			animation(const_cast<HistoryFileMedia*>(this), &HistoryFileMedia::step_radial));
	}
}

void HistoryFileMedia::checkAnimationFinished() {
	if (_animation && !_animation->_a_thumbOver.animating() && !_animation->radial.animating()) {
		if (dataLoaded()) {
			delete _animation;
			_animation = 0;
		}
	}
}

HistoryFileMedia::~HistoryFileMedia() {
	deleteAndMark(_animation);
}

HistoryPhoto::HistoryPhoto(HistoryItem *parent, PhotoData *photo, const QString &caption) : HistoryFileMedia(parent)
, _data(photo)
, _caption(st::minPhotoSize - st::msgPadding.left() - st::msgPadding.right()) {
	setLinks(MakeShared<PhotoOpenClickHandler>(_data), MakeShared<PhotoSaveClickHandler>(_data), MakeShared<PhotoCancelClickHandler>(_data));
	if (!caption.isEmpty()) {
		_caption.setText(st::msgFont, caption + _parent->skipBlock(), itemTextNoMonoOptions(_parent));
	}
	init();
}

HistoryPhoto::HistoryPhoto(HistoryItem *parent, PeerData *chat, const MTPDphoto &photo, int32 width) : HistoryFileMedia(parent)
, _data(App::feedPhoto(photo)) {
	setLinks(MakeShared<PhotoOpenClickHandler>(_data, chat), MakeShared<PhotoSaveClickHandler>(_data, chat), MakeShared<PhotoCancelClickHandler>(_data, chat));

	_width = width;
	init();
}

HistoryPhoto::HistoryPhoto(HistoryItem *parent, const HistoryPhoto &other) : HistoryFileMedia(parent)
, _data(other._data)
, _pixw(other._pixw)
, _pixh(other._pixh)
, _caption(other._caption) {
	setLinks(MakeShared<PhotoOpenClickHandler>(_data), MakeShared<PhotoSaveClickHandler>(_data), MakeShared<PhotoCancelClickHandler>(_data));

	init();
}

void HistoryPhoto::init() {
	_data->thumb->load();
}

void HistoryPhoto::initDimensions() {
	if (_caption.hasSkipBlock()) {
		_caption.setSkipBlock(_parent->skipBlockWidth(), _parent->skipBlockHeight());
	}

	int32 tw = convertScale(_data->full->width()), th = convertScale(_data->full->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	if (th > st::maxMediaSize) {
		tw = (st::maxMediaSize * tw) / th;
		th = st::maxMediaSize;
	}

	if (_parent->toHistoryMessage()) {
		bool bubble = _parent->hasBubble();

		int32 minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
		int32 maxActualWidth = qMax(tw, minWidth);
		_maxw = qMax(maxActualWidth, th);
		_minh = qMax(th, int32(st::minPhotoSize));
		if (bubble) {
			maxActualWidth += st::mediaPadding.left() + st::mediaPadding.right();
			_maxw += st::mediaPadding.left() + st::mediaPadding.right();
			_minh += st::mediaPadding.top() + st::mediaPadding.bottom();
			if (!_caption.isEmpty()) {
				_minh += st::mediaCaptionSkip + _caption.countHeight(maxActualWidth - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
			}
		}
	} else {
		_maxw = _minh = _width;
	}
}

int HistoryPhoto::resizeGetHeight(int width) {
	bool bubble = _parent->hasBubble();

	int tw = convertScale(_data->full->width()), th = convertScale(_data->full->height());
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	if (th > st::maxMediaSize) {
		tw = (st::maxMediaSize * tw) / th;
		th = st::maxMediaSize;
	}

	_pixw = qMin(width, _maxw);
	if (bubble) {
		_pixw -= st::mediaPadding.left() + st::mediaPadding.right();
	}
	_pixh = th;
	if (tw > _pixw) {
		_pixh = (_pixw * _pixh / tw);
	} else {
		_pixw = tw;
	}
	if (_pixh > width) {
		_pixw = (_pixw * width) / _pixh;
		_pixh = width;
	}
	if (_pixw < 1) _pixw = 1;
	if (_pixh < 1) _pixh = 1;

	int minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	_width = qMax(_pixw, int16(minWidth));
	_height = qMax(_pixh, int16(st::minPhotoSize));
	if (bubble) {
		_width += st::mediaPadding.left() + st::mediaPadding.right();
		_height += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			int captionw = _width - st::msgPadding.left() - st::msgPadding.right();
			_height += st::mediaCaptionSkip + _caption.countHeight(captionw) + st::msgPadding.bottom();
		}
	}
	return _height;
}

void HistoryPhoto::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	p.fillRect(QRect(0, 0, _width, _height), QColor(128, 255, 128));

	_data->automaticLoad(_parent);
	bool selected = (selection == FullSelection);
	bool loaded = _data->loaded(), displayLoading = _data->displayLoading();

	bool notChild = (_parent->getMedia() == this);
	int skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();
	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;

	int captionw = width - st::msgPadding.left() - st::msgPadding.right();

	if (displayLoading) {
		ensureAnimation();
		if (!_animation->radial.animating()) {
			_animation->radial.start(_data->progress());
		}
	}
	bool radial = isRadialAnimation(ms);

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();

		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			height -= st::mediaCaptionSkip + _caption.countHeight(captionw) + st::msgPadding.bottom();
		}
	} else {
		App::roundShadow(p, 0, 0, width, height, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
	}

	auto inWebPage = (_parent->getMedia() != this);
	auto roundRadius = inWebPage ? ImageRoundRadius::Small : ImageRoundRadius::Large;
	QPixmap pix;
	if (loaded) {
		pix = _data->full->pixSingle(roundRadius, _pixw, _pixh, width, height);
	} else {
		pix = _data->thumb->pixBlurredSingle(roundRadius, _pixw, _pixh, width, height);
	}
	QRect rthumb(rtlrect(skipx, skipy, width, height, _width));
	p.drawPixmap(rthumb.topLeft(), pix);
	if (selected) {
		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
	}

	if (notChild && (radial || (!loaded && !_data->loading()))) {
		float64 radialOpacity = (radial && loaded && !_data->uploading()) ? _animation->radial.opacity() : 1;
		QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
		p.setPen(Qt::NoPen);
		if (selected) {
			p.setBrush(st::msgDateImgBgSelected);
		} else if (isThumbAnimation(ms)) {
			float64 over = _animation->a_thumbOver.current();
			p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
			p.setBrush(st::black);
		} else {
			bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
			p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
		}

		p.setOpacity(radialOpacity * p.opacity());

		p.setRenderHint(QPainter::HighQualityAntialiasing);
		p.drawEllipse(inner);
		p.setRenderHint(QPainter::HighQualityAntialiasing, false);

		p.setOpacity(radial ? _animation->radial.opacity() : 1);

		p.setOpacity(radialOpacity);
		style::sprite icon;
		if (radial || _data->loading()) {
			DelayedStorageImage *delayed = _data->full->toDelayedStorageImage();
			if (!delayed || !delayed->location().isNull()) {
				icon = (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
			}
		} else {
			icon = (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
		}
		if (!icon.isEmpty()) {
			p.drawSpriteCenter(inner, icon);
		}
		if (radial) {
			p.setOpacity(1);
			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
			_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
		}
	}

	// date
	if (_caption.isEmpty()) {
		if (notChild && (_data->uploading() || App::hoveredItem() == _parent)) {
			int32 fullRight = skipx + width, fullBottom = skipy + height;
			_parent->drawInfo(p, fullRight, fullBottom, 2 * skipx + width, selected, InfoDisplayOverImage);
		}
	} else {
		p.setPen(st::black);
		_caption.draw(p, st::msgPadding.left(), skipy + height + st::mediaPadding.bottom() + st::mediaCaptionSkip, captionw, style::al_left, 0, -1, selection);
	}
}

HistoryTextState HistoryPhoto::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;
	int skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();
		if (!_caption.isEmpty()) {
			int captionw = width - st::msgPadding.left() - st::msgPadding.right();
			height -= _caption.countHeight(captionw) + st::msgPadding.bottom();
			if (x >= st::msgPadding.left() && y >= height && x < st::msgPadding.left() + captionw && y < _height) {
				result = _caption.getState(x - st::msgPadding.left(), y - height, captionw, request.forText());
				return result;
			}
			height -= st::mediaCaptionSkip;
		}
		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
	}
	if (x >= skipx && y >= skipy && x < skipx + width && y < skipy + height) {
		if (_data->uploading()) {
			result.link = _cancell;
		} else if (_data->loaded()) {
			result.link = _openl;
		} else if (_data->loading()) {
			DelayedStorageImage *delayed = _data->full->toDelayedStorageImage();
			if (!delayed || !delayed->location().isNull()) {
				result.link = _cancell;
			}
		} else {
			result.link = _savel;
		}
		if (_caption.isEmpty() && _parent->getMedia() == this) {
			int32 fullRight = skipx + width, fullBottom = skipy + height;
			bool inDate = _parent->pointInTime(fullRight, fullBottom, x, y, InfoDisplayOverImage);
			if (inDate) {
				result.cursor = HistoryInDateCursorState;
			}
		}
		return result;
	}
	return result;
}

void HistoryPhoto::updateSentMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaPhoto) {
		auto &photo = media.c_messageMediaPhoto().vphoto;
		App::feedPhoto(photo, _data);

		if (photo.type() == mtpc_photo) {
			auto &sizes = photo.c_photo().vsizes.c_vector().v;
			int32 max = 0;
			const MTPDfileLocation *maxLocation = 0;
			for (int32 i = 0, l = sizes.size(); i < l; ++i) {
				char size = 0;
				const MTPFileLocation *loc = 0;
				switch (sizes.at(i).type()) {
				case mtpc_photoSize: {
					const string &s(sizes.at(i).c_photoSize().vtype.c_string().v);
					loc = &sizes.at(i).c_photoSize().vlocation;
					if (s.size()) size = s[0];
				} break;

				case mtpc_photoCachedSize: {
					const string &s(sizes.at(i).c_photoCachedSize().vtype.c_string().v);
					loc = &sizes.at(i).c_photoCachedSize().vlocation;
					if (s.size()) size = s[0];
				} break;
				}
				if (!loc || loc->type() != mtpc_fileLocation) continue;
				if (size == 's') {
					Local::writeImage(storageKey(loc->c_fileLocation()), _data->thumb);
				} else if (size == 'm') {
					Local::writeImage(storageKey(loc->c_fileLocation()), _data->medium);
				} else if (size == 'x' && max < 1) {
					max = 1;
					maxLocation = &loc->c_fileLocation();
				} else if (size == 'y' && max < 2) {
					max = 2;
					maxLocation = &loc->c_fileLocation();
					//} else if (size == 'w' && max < 3) {
					//	max = 3;
					//	maxLocation = &loc->c_fileLocation();
				}
			}
			if (maxLocation) {
				Local::writeImage(storageKey(*maxLocation), _data->full);
			}
		}
	}
}

bool HistoryPhoto::needReSetInlineResultMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaPhoto) {
		if (PhotoData *existing = App::feedPhoto(media.c_messageMediaPhoto().vphoto)) {
			if (existing == _data) {
				return false;
			} else {
				// collect data
			}
		}
	}
	return false;
}

void HistoryPhoto::attachToParent() {
	App::regPhotoItem(_data, _parent);
}

void HistoryPhoto::detachFromParent() {
	App::unregPhotoItem(_data, _parent);
}

QString HistoryPhoto::notificationText() const {
	return captionedNotificationText(lang(lng_in_dlg_photo), _caption);
}

QString HistoryPhoto::inDialogsText() const {
	return captionedInDialogsText(lang(lng_in_dlg_photo), _caption);
}

TextWithEntities HistoryPhoto::selectedText(TextSelection selection) const {
	return captionedSelectedText(lang(lng_in_dlg_photo), _caption, selection);
}

ImagePtr HistoryPhoto::replyPreview() {
	return _data->makeReplyPreview();
}

HistoryVideo::HistoryVideo(HistoryItem *parent, DocumentData *document, const QString &caption) : HistoryFileMedia(parent)
, _data(document)
, _thumbw(1)
, _caption(st::minPhotoSize - st::msgPadding.left() - st::msgPadding.right()) {
	if (!caption.isEmpty()) {
		_caption.setText(st::msgFont, caption + _parent->skipBlock(), itemTextNoMonoOptions(_parent));
	}

	setDocumentLinks(_data);

	setStatusSize(FileStatusSizeReady);

	_data->thumb->load();
}

HistoryVideo::HistoryVideo(HistoryItem *parent, const HistoryVideo &other) : HistoryFileMedia(parent)
, _data(other._data)
, _thumbw(other._thumbw)
, _caption(other._caption) {
	setDocumentLinks(_data);

	setStatusSize(other._statusSize);
}

void HistoryVideo::initDimensions() {
	bool bubble = _parent->hasBubble();

	if (_caption.hasSkipBlock()) {
		_caption.setSkipBlock(_parent->skipBlockWidth(), _parent->skipBlockHeight());
	}

	int32 tw = convertScale(_data->thumb->width()), th = convertScale(_data->thumb->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw * st::msgVideoSize.height() > th * st::msgVideoSize.width()) {
		th = qRound((st::msgVideoSize.width() / float64(tw)) * th);
		tw = st::msgVideoSize.width();
	} else {
		tw = qRound((st::msgVideoSize.height() / float64(th)) * tw);
		th = st::msgVideoSize.height();
	}

	_thumbw = qMax(tw, 1);
	int32 minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	minWidth = qMax(minWidth, documentMaxStatusWidth(_data) + 2 * int32(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	_maxw = qMax(_thumbw, int32(minWidth));
	_minh = qMax(th, int32(st::minPhotoSize));
	if (bubble) {
		_maxw += st::mediaPadding.left() + st::mediaPadding.right();
		_minh += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			_minh += st::mediaCaptionSkip + _caption.countHeight(_maxw - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
		}
	}
}

int HistoryVideo::resizeGetHeight(int width) {
	bool bubble = _parent->hasBubble();

	int tw = convertScale(_data->thumb->width()), th = convertScale(_data->thumb->height());
	if (!tw || !th) {
		tw = th = 1;
	}
	if (tw * st::msgVideoSize.height() > th * st::msgVideoSize.width()) {
		th = qRound((st::msgVideoSize.width() / float64(tw)) * th);
		tw = st::msgVideoSize.width();
	} else {
		tw = qRound((st::msgVideoSize.height() / float64(th)) * tw);
		th = st::msgVideoSize.height();
	}

	if (bubble) {
		width -= st::mediaPadding.left() + st::mediaPadding.right();
	}
	if (width < tw) {
		th = qRound((width / float64(tw)) * th);
		tw = width;
	}

	_thumbw = qMax(tw, 1);
	int minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	minWidth = qMax(minWidth, documentMaxStatusWidth(_data) + 2 * int(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	_width = qMax(_thumbw, int(minWidth));
	_height = qMax(th, int(st::minPhotoSize));
	if (bubble) {
		_width += st::mediaPadding.left() + st::mediaPadding.right();
		_height += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			int captionw = _width - st::msgPadding.left() - st::msgPadding.right();
			_height += st::mediaCaptionSkip + _caption.countHeight(captionw) + st::msgPadding.bottom();
		}
	}
	return _height;
}

void HistoryVideo::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;

	_data->automaticLoad(_parent);
	bool loaded = _data->loaded(), displayLoading = _data->displayLoading();
	bool selected = (selection == FullSelection);

	int skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();
	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;

	int captionw = width - st::msgPadding.left() - st::msgPadding.right();

	if (displayLoading) {
		ensureAnimation();
		if (!_animation->radial.animating()) {
			_animation->radial.start(_data->progress());
		}
	}
	updateStatusText();
	bool radial = isRadialAnimation(ms);

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();

		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			height -= st::mediaCaptionSkip + _caption.countHeight(captionw) + st::msgPadding.bottom();
		}
	} else {
		App::roundShadow(p, 0, 0, width, height, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
	}

	QRect rthumb(rtlrect(skipx, skipy, width, height, _width));
	p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(ImageRoundRadius::Large, _thumbw, 0, width, height));
	if (selected) {
		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
	}

	QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
	p.setPen(Qt::NoPen);
	if (selected) {
		p.setBrush(st::msgDateImgBgSelected);
	} else if (isThumbAnimation(ms)) {
		float64 over = _animation->a_thumbOver.current();
		p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
		p.setBrush(st::black);
	} else {
		bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
		p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
	}

	p.setRenderHint(QPainter::HighQualityAntialiasing);
	p.drawEllipse(inner);
	p.setRenderHint(QPainter::HighQualityAntialiasing, false);

	if (!selected && _animation) {
		p.setOpacity(1);
	}

	style::sprite icon;
	if (loaded) {
		icon = (selected ? st::msgFileInPlaySelected : st::msgFileInPlay);
	} else if (radial || _data->loading()) {
		icon = (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
	} else {
		icon = (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
	}
	p.drawSpriteCenter(inner, icon);
	if (radial) {
		QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
		_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
	}

	int32 statusX = skipx + st::msgDateImgDelta + st::msgDateImgPadding.x(), statusY = skipy + st::msgDateImgDelta + st::msgDateImgPadding.y();
	int32 statusW = st::normalFont->width(_statusText) + 2 * st::msgDateImgPadding.x();
	int32 statusH = st::normalFont->height + 2 * st::msgDateImgPadding.y();
	App::roundRect(p, rtlrect(statusX - st::msgDateImgPadding.x(), statusY - st::msgDateImgPadding.y(), statusW, statusH, _width), selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);
	p.setFont(st::normalFont);
	p.setPen(st::white);
	p.drawTextLeft(statusX, statusY, _width, _statusText, statusW - 2 * st::msgDateImgPadding.x());

	// date
	if (_caption.isEmpty()) {
		if (_parent->getMedia() == this) {
			int32 fullRight = skipx + width, fullBottom = skipy + height;
			_parent->drawInfo(p, fullRight, fullBottom, 2 * skipx + width, selected, InfoDisplayOverImage);
		}
	} else {
		p.setPen(st::black);
		_caption.draw(p, st::msgPadding.left(), skipy + height + st::mediaPadding.bottom() + st::mediaCaptionSkip, captionw, style::al_left, 0, -1, selection);
	}
}

HistoryTextState HistoryVideo::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;

	bool loaded = _data->loaded();

	int32 skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();
		if (!_caption.isEmpty()) {
			int32 captionw = width - st::msgPadding.left() - st::msgPadding.right();
			height -= _caption.countHeight(captionw) + st::msgPadding.bottom();
			if (x >= st::msgPadding.left() && y >= height && x < st::msgPadding.left() + captionw && y < _height) {
				result = _caption.getState(x - st::msgPadding.left(), y - height, captionw, request.forText());
			}
			height -= st::mediaCaptionSkip;
		}
		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
	}
	if (x >= skipx && y >= skipy && x < skipx + width && y < skipy + height) {
		result.link = loaded ? _openl : (_data->loading() ? _cancell : _savel);
		if (_caption.isEmpty() && _parent->getMedia() == this) {
			int32 fullRight = skipx + width, fullBottom = skipy + height;
			bool inDate = _parent->pointInTime(fullRight, fullBottom, x, y, InfoDisplayOverImage);
			if (inDate) {
				result.cursor = HistoryInDateCursorState;
			}
		}
		return result;
	}
	return result;
}

void HistoryVideo::setStatusSize(int32 newSize) const {
	HistoryFileMedia::setStatusSize(newSize, _data->size, _data->duration(), 0);
}

QString HistoryVideo::notificationText() const {
	return captionedNotificationText(lang(lng_in_dlg_video), _caption);
}

QString HistoryVideo::inDialogsText() const {
	return captionedInDialogsText(lang(lng_in_dlg_video), _caption);
}

TextWithEntities HistoryVideo::selectedText(TextSelection selection) const {
	return captionedSelectedText(lang(lng_in_dlg_video), _caption, selection);
}

void HistoryVideo::updateStatusText() const {
	bool showPause = false;
	int32 statusSize = 0, realDuration = 0;
	if (_data->status == FileDownloadFailed || _data->status == FileUploadFailed) {
		statusSize = FileStatusSizeFailed;
	} else if (_data->status == FileUploading) {
		statusSize = _data->uploadOffset;
	} else if (_data->loading()) {
		statusSize = _data->loadOffset();
	} else if (_data->loaded()) {
		statusSize = FileStatusSizeLoaded;
	} else {
		statusSize = FileStatusSizeReady;
	}
	if (statusSize != _statusSize) {
		setStatusSize(statusSize);
	}
}

void HistoryVideo::attachToParent() {
	App::regDocumentItem(_data, _parent);
}

void HistoryVideo::detachFromParent() {
	App::unregDocumentItem(_data, _parent);
}

bool HistoryVideo::needReSetInlineResultMedia(const MTPMessageMedia &media) {
	return needReSetInlineResultDocument(media, _data);
}

ImagePtr HistoryVideo::replyPreview() {
	if (_data->replyPreview->isNull() && !_data->thumb->isNull()) {
		if (_data->thumb->loaded()) {
			int w = convertScale(_data->thumb->width()), h = convertScale(_data->thumb->height());
			if (w <= 0) w = 1;
			if (h <= 0) h = 1;
			_data->replyPreview = ImagePtr(w > h ? _data->thumb->pix(w * st::msgReplyBarSize.height() / h, st::msgReplyBarSize.height()) : _data->thumb->pix(st::msgReplyBarSize.height()), "PNG");
		} else {
			_data->thumb->load();
		}
	}
	return _data->replyPreview;
}

HistoryDocumentVoicePlayback::HistoryDocumentVoicePlayback(const HistoryDocument *that)
	: _position(0)
	, a_progress(0., 0.)
	, _a_progress(animation(const_cast<HistoryDocument*>(that), &HistoryDocument::step_voiceProgress)) {
}

void HistoryDocumentVoice::ensurePlayback(const HistoryDocument *that) const {
	if (!_playback) {
		_playback = new HistoryDocumentVoicePlayback(that);
	}
}

void HistoryDocumentVoice::checkPlaybackFinished() const {
	if (_playback && !_playback->_a_progress.animating()) {
		delete _playback;
		_playback = nullptr;
	}
}

HistoryDocument::HistoryDocument(HistoryItem *parent, DocumentData *document, const QString &caption) : HistoryFileMedia(parent)
, _data(document) {
	createComponents(!caption.isEmpty());
	if (auto named = Get<HistoryDocumentNamed>()) {
		named->_name = documentName(_data);
		named->_namew = st::semiboldFont->width(named->_name);
	}

	setDocumentLinks(_data);

	setStatusSize(FileStatusSizeReady);

	if (auto captioned = Get<HistoryDocumentCaptioned>()) {
		captioned->_caption.setText(st::msgFont, caption + _parent->skipBlock(), itemTextNoMonoOptions(_parent));
	}
}

HistoryDocument::HistoryDocument(HistoryItem *parent, const HistoryDocument &other) : HistoryFileMedia(parent)
, Composer()
, _data(other._data) {
	auto captioned = other.Get<HistoryDocumentCaptioned>();
	createComponents(captioned != 0);
	if (auto named = Get<HistoryDocumentNamed>()) {
		if (auto othernamed = other.Get<HistoryDocumentNamed>()) {
			named->_name = othernamed->_name;
			named->_namew = othernamed->_namew;
		} else {
			named->_name = documentName(_data);
			named->_namew = st::semiboldFont->width(named->_name);
		}
	}

	setDocumentLinks(_data);

	setStatusSize(other._statusSize);

	if (captioned) {
		Get<HistoryDocumentCaptioned>()->_caption = captioned->_caption;
	}
}

void HistoryDocument::createComponents(bool caption) {
	uint64 mask = 0;
	if (_data->voice()) {
		mask |= HistoryDocumentVoice::Bit();
	} else {
		mask |= HistoryDocumentNamed::Bit();
		if (!_data->song() && !_data->thumb->isNull() && _data->thumb->width() && _data->thumb->height()) {
			mask |= HistoryDocumentThumbed::Bit();
		}
	}
	if (caption) {
		mask |= HistoryDocumentCaptioned::Bit();
	}
	UpdateComponents(mask);
	if (auto thumbed = Get<HistoryDocumentThumbed>()) {
		thumbed->_linksavel.reset(new DocumentSaveClickHandler(_data));
		thumbed->_linkcancell.reset(new DocumentCancelClickHandler(_data));
	}
}

void HistoryDocument::initDimensions() {
	auto captioned = Get<HistoryDocumentCaptioned>();
	if (captioned && captioned->_caption.hasSkipBlock()) {
		captioned->_caption.setSkipBlock(_parent->skipBlockWidth(), _parent->skipBlockHeight());
	}

	auto thumbed = Get<HistoryDocumentThumbed>();
	if (thumbed) {
		_data->thumb->load();
		int32 tw = convertScale(_data->thumb->width()), th = convertScale(_data->thumb->height());
		if (tw > th) {
			thumbed->_thumbw = (tw * st::msgFileThumbSize) / th;
		} else {
			thumbed->_thumbw = st::msgFileThumbSize;
		}
	}

	_maxw = st::msgFileMinWidth;

	int32 tleft = 0, tright = 0;
	if (thumbed) {
		tleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		tright = st::msgFileThumbPadding.left();
		_maxw = qMax(_maxw, tleft + documentMaxStatusWidth(_data) + tright);
	} else {
		tleft = st::msgFilePadding.left() + st::msgFileSize + st::msgFilePadding.right();
		tright = st::msgFileThumbPadding.left();
		int32 unread = _data->voice() ? (st::mediaUnreadSkip + st::mediaUnreadSize) : 0;
		_maxw = qMax(_maxw, tleft + documentMaxStatusWidth(_data) + unread + _parent->skipBlockWidth() + st::msgPadding.right());
	}

	if (auto named = Get<HistoryDocumentNamed>()) {
		_maxw = qMax(tleft + named->_namew + tright, _maxw);
		_maxw = qMin(_maxw, int(st::msgMaxWidth));
	}

	if (thumbed) {
		_minh = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();
		if (!captioned && _parent->Has<HistoryMessageSigned>()) {
			_minh += st::msgDateFont->height - st::msgDateDelta.y();
		}
	} else {
		_minh = st::msgFilePadding.top() + st::msgFileSize + st::msgFilePadding.bottom();
	}

	if (captioned) {
		_minh += captioned->_caption.countHeight(_maxw - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
	} else {
		_height = _minh;
	}
}

int HistoryDocument::resizeGetHeight(int width) {
	auto captioned = Get<HistoryDocumentCaptioned>();
	if (!captioned) {
		return HistoryFileMedia::resizeGetHeight(width);
	}

	_width = qMin(width, _maxw);
	if (Get<HistoryDocumentThumbed>()) {
		_height = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();
	} else {
		_height = st::msgFilePadding.top() + st::msgFileSize + st::msgFilePadding.bottom();
	}
	_height += captioned->_caption.countHeight(_width - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();

	return _height;
}

void HistoryDocument::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;

	_data->automaticLoad(_parent);
	bool loaded = _data->loaded(), displayLoading = _data->displayLoading();
	bool selected = (selection == FullSelection);

	int captionw = _width - st::msgPadding.left() - st::msgPadding.right();

	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;

	if (displayLoading) {
		ensureAnimation();
		if (!_animation->radial.animating()) {
			_animation->radial.start(_data->progress());
		}
	}
	bool showPause = updateStatusText();
	bool radial = isRadialAnimation(ms);

	int nameleft = 0, nametop = 0, nameright = 0, statustop = 0, linktop = 0, bottom = 0;
	if (auto thumbed = Get<HistoryDocumentThumbed>()) {
		nameleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		nametop = st::msgFileThumbNameTop;
		nameright = st::msgFileThumbPadding.left();
		statustop = st::msgFileThumbStatusTop;
		linktop = st::msgFileThumbLinkTop;
		bottom = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();

		QRect rthumb(rtlrect(st::msgFileThumbPadding.left(), st::msgFileThumbPadding.top(), st::msgFileThumbSize, st::msgFileThumbSize, _width));
		QPixmap thumb = loaded ? _data->thumb->pixSingle(ImageRoundRadius::Large, thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize) : _data->thumb->pixBlurredSingle(ImageRoundRadius::Small, thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize);
		p.drawPixmap(rthumb.topLeft(), thumb);
		if (selected) {
			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
		}

		if (radial || (!loaded && !_data->loading())) {
			float64 radialOpacity = (radial && loaded && !_data->uploading()) ? _animation->radial.opacity() : 1;
			QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
			p.setPen(Qt::NoPen);
			if (selected) {
				p.setBrush(st::msgDateImgBgSelected);
			} else if (isThumbAnimation(ms)) {
				float64 over = _animation->a_thumbOver.current();
				p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
				p.setBrush(st::black);
			} else {
				bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
				p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
			}
			p.setOpacity(radialOpacity * p.opacity());

			p.setRenderHint(QPainter::HighQualityAntialiasing);
			p.drawEllipse(inner);
			p.setRenderHint(QPainter::HighQualityAntialiasing, false);

			p.setOpacity(radialOpacity);
			style::sprite icon;
			if (radial || _data->loading()) {
				icon = (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
			} else {
				icon = (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
			}
			p.setOpacity((radial && loaded) ? _animation->radial.opacity() : 1);
			p.drawSpriteCenter(inner, icon);
			if (radial) {
				p.setOpacity(1);

				QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
				_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
			}
		}

		if (_data->status != FileUploadFailed) {
			const ClickHandlerPtr &lnk((_data->loading() || _data->status == FileUploading) ? thumbed->_linkcancell : thumbed->_linksavel);
			bool over = ClickHandler::showAsActive(lnk);
			p.setFont(over ? st::semiboldFont->underline() : st::semiboldFont);
			p.setPen(outbg ? (selected ? st::msgFileThumbLinkOutFgSelected : st::msgFileThumbLinkOutFg) : (selected ? st::msgFileThumbLinkInFgSelected : st::msgFileThumbLinkInFg));
			p.drawTextLeft(nameleft, linktop, _width, thumbed->_link, thumbed->_linkw);
		}
	} else {
		nameleft = st::msgFilePadding.left() + st::msgFileSize + st::msgFilePadding.right();
		nametop = st::msgFileNameTop;
		nameright = st::msgFilePadding.left();
		statustop = st::msgFileStatusTop;
		bottom = st::msgFilePadding.top() + st::msgFileSize + st::msgFilePadding.bottom();

		QRect inner(rtlrect(st::msgFilePadding.left(), st::msgFilePadding.top(), st::msgFileSize, st::msgFileSize, _width));
		p.setPen(Qt::NoPen);
		if (selected) {
			p.setBrush(outbg ? st::msgFileOutBgSelected : st::msgFileInBgSelected);
		} else if (isThumbAnimation(ms)) {
			float64 over = _animation->a_thumbOver.current();
			p.setBrush(style::interpolate(outbg ? st::msgFileOutBg : st::msgFileInBg, outbg ? st::msgFileOutBgOver : st::msgFileInBgOver, over));
		} else {
			bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
			p.setBrush(outbg ? (over ? st::msgFileOutBgOver : st::msgFileOutBg) : (over ? st::msgFileInBgOver : st::msgFileInBg));
		}

		p.setRenderHint(QPainter::HighQualityAntialiasing);
		p.drawEllipse(inner);
		p.setRenderHint(QPainter::HighQualityAntialiasing, false);

		if (radial) {
			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
			style::color bg(outbg ? (selected ? st::msgOutBgSelected : st::msgOutBg) : (selected ? st::msgInBgSelected : st::msgInBg));
			_animation->radial.draw(p, rinner, st::msgFileRadialLine, bg);
		}

		style::sprite icon;
		if (showPause) {
			icon = outbg ? (selected ? st::msgFileOutPauseSelected : st::msgFileOutPause) : (selected ? st::msgFileInPauseSelected : st::msgFileInPause);
		} else if (radial || _data->loading()) {
			icon = outbg ? (selected ? st::msgFileOutCancelSelected : st::msgFileOutCancel) : (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
		} else if (loaded) {
			if (_data->song() || _data->voice()) {
				icon = outbg ? (selected ? st::msgFileOutPlaySelected : st::msgFileOutPlay) : (selected ? st::msgFileInPlaySelected : st::msgFileInPlay);
			} else if (_data->isImage()) {
				icon = outbg ? (selected ? st::msgFileOutImageSelected : st::msgFileOutImage) : (selected ? st::msgFileInImageSelected : st::msgFileInImage);
			} else {
				icon = outbg ? (selected ? st::msgFileOutFileSelected : st::msgFileOutFile) : (selected ? st::msgFileInFileSelected : st::msgFileInFile);
			}
		} else {
			icon = outbg ? (selected ? st::msgFileOutDownloadSelected : st::msgFileOutDownload) : (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
		}
		p.drawSpriteCenter(inner, icon);
	}
	int32 namewidth = _width - nameleft - nameright;

	if (auto voice = Get<HistoryDocumentVoice>()) {
		const VoiceWaveform *wf = 0;
		uchar norm_value = 0;
		if (_data->voice()) {
			wf = &_data->voice()->waveform;
			if (wf->isEmpty()) {
				wf = 0;
				if (loaded) {
					Local::countVoiceWaveform(_data);
				}
			} else if (wf->at(0) < 0) {
				wf = 0;
			} else {
				norm_value = _data->voice()->wavemax;
			}
		}
		float64 prg = voice->_playback ? voice->_playback->a_progress.current() : 0;

		// rescale waveform by going in waveform.size * bar_count 1D grid
		style::color active(outbg ? (selected ? st::msgWaveformOutActiveSelected : st::msgWaveformOutActive) : (selected ? st::msgWaveformInActiveSelected : st::msgWaveformInActive));
		style::color inactive(outbg ? (selected ? st::msgWaveformOutInactiveSelected : st::msgWaveformOutInactive) : (selected ? st::msgWaveformInInactiveSelected : st::msgWaveformInInactive));
		int32 wf_size = wf ? wf->size() : WaveformSamplesCount, availw = int32(namewidth + st::msgWaveformSkip), activew = qRound(availw * prg);
		if (!outbg && !voice->_playback && _parent->isMediaUnread()) {
			activew = availw;
		}
		int32 bar_count = qMin(availw / int32(st::msgWaveformBar + st::msgWaveformSkip), wf_size);
		uchar max_value = 0;
		int32 max_delta = st::msgWaveformMax - st::msgWaveformMin, bottom = st::msgFilePadding.top() + st::msgWaveformMax;
		p.setPen(Qt::NoPen);
		for (int32 i = 0, bar_x = 0, sum_i = 0; i < wf_size; ++i) {
			uchar value = wf ? wf->at(i) : 0;
			if (sum_i + bar_count >= wf_size) { // draw bar
				sum_i = sum_i + bar_count - wf_size;
				if (sum_i < (bar_count + 1) / 2) {
					if (max_value < value) max_value = value;
				}
				int32 bar_value = ((max_value * max_delta) + ((norm_value + 1) / 2)) / (norm_value + 1);

				if (bar_x >= activew) {
					p.fillRect(nameleft + bar_x, bottom - bar_value, st::msgWaveformBar, st::msgWaveformMin + bar_value, inactive);
				} else if (bar_x + st::msgWaveformBar <= activew) {
					p.fillRect(nameleft + bar_x, bottom - bar_value, st::msgWaveformBar, st::msgWaveformMin + bar_value, active);
				} else {
					p.fillRect(nameleft + bar_x, bottom - bar_value, activew - bar_x, st::msgWaveformMin + bar_value, active);
					p.fillRect(nameleft + activew, bottom - bar_value, st::msgWaveformBar - (activew - bar_x), st::msgWaveformMin + bar_value, inactive);
				}
				bar_x += st::msgWaveformBar + st::msgWaveformSkip;

				if (sum_i < (bar_count + 1) / 2) {
					max_value = 0;
				} else {
					max_value = value;
				}
			} else {
				if (max_value < value) max_value = value;

				sum_i += bar_count;
			}
		}
	} else if (auto named = Get<HistoryDocumentNamed>()) {
		p.setFont(st::semiboldFont);
		p.setPen(st::black);
		if (namewidth < named->_namew) {
			p.drawTextLeft(nameleft, nametop, _width, st::semiboldFont->elided(named->_name, namewidth));
		} else {
			p.drawTextLeft(nameleft, nametop, _width, named->_name, named->_namew);
		}
	}

	style::color status(outbg ? (selected ? st::mediaOutFgSelected : st::mediaOutFg) : (selected ? st::mediaInFgSelected : st::mediaInFg));
	p.setFont(st::normalFont);
	p.setPen(status);
	p.drawTextLeft(nameleft, statustop, _width, _statusText);

	if (_parent->isMediaUnread()) {
		int32 w = st::normalFont->width(_statusText);
		if (w + st::mediaUnreadSkip + st::mediaUnreadSize <= namewidth) {
			p.setPen(Qt::NoPen);
			p.setBrush(outbg ? (selected ? st::msgFileOutBgSelected : st::msgFileOutBg) : (selected ? st::msgFileInBgSelected : st::msgFileInBg));

			p.setRenderHint(QPainter::HighQualityAntialiasing, true);
			p.drawEllipse(rtlrect(nameleft + w + st::mediaUnreadSkip, statustop + st::mediaUnreadTop, st::mediaUnreadSize, st::mediaUnreadSize, _width));
			p.setRenderHint(QPainter::HighQualityAntialiasing, false);
		}
	}

	if (auto captioned = Get<HistoryDocumentCaptioned>()) {
		p.setPen(st::black);
		captioned->_caption.draw(p, st::msgPadding.left(), bottom, captionw, style::al_left, 0, -1, selection);
	}
}

HistoryTextState HistoryDocument::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;

	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;
	bool loaded = _data->loaded();

	bool showPause = updateStatusText();

	int32 nameleft = 0, nametop = 0, nameright = 0, statustop = 0, linktop = 0, bottom = 0;
	if (auto thumbed = Get<HistoryDocumentThumbed>()) {
		nameleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		linktop = st::msgFileThumbLinkTop;
		bottom = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();

		QRect rthumb(rtlrect(st::msgFileThumbPadding.left(), st::msgFileThumbPadding.top(), st::msgFileThumbSize, st::msgFileThumbSize, _width));

		if ((_data->loading() || _data->uploading() || !loaded) && rthumb.contains(x, y)) {
			result.link = (_data->loading() || _data->uploading()) ? _cancell : _savel;
			return result;
		}

		if (_data->status != FileUploadFailed) {
			if (rtlrect(nameleft, linktop, thumbed->_linkw, st::semiboldFont->height, _width).contains(x, y)) {
				result.link = (_data->loading() || _data->uploading()) ? thumbed->_linkcancell : thumbed->_linksavel;
				return result;
			}
		}
	} else {
		bottom = st::msgFilePadding.top() + st::msgFileSize + st::msgFilePadding.bottom();

		QRect inner(rtlrect(st::msgFilePadding.left(), st::msgFilePadding.top(), st::msgFileSize, st::msgFileSize, _width));
		if ((_data->loading() || _data->uploading() || !loaded) && inner.contains(x, y)) {
			result.link = (_data->loading() || _data->uploading()) ? _cancell : _savel;
			return result;
		}
	}

	int32 height = _height;
	if (auto captioned = Get<HistoryDocumentCaptioned>()) {
		if (y >= bottom) {
			result = captioned->_caption.getState(x - st::msgPadding.left(), y - bottom, _width - st::msgPadding.left() - st::msgPadding.right(), request.forText());
			return result;
		}
		height -= captioned->_caption.countHeight(_width - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
	}
	if (x >= 0 && y >= 0 && x < _width && y < height && !_data->loading() && !_data->uploading() && _data->isValid()) {
		result.link = _openl;
		return result;
	}
	return result;
}

QString HistoryDocument::notificationText() const {
	QString result;
	buildStringRepresentation([&result](const QString &type, const QString &fileName, const Text &caption) {
		result = captionedNotificationText(fileName.isEmpty() ? type : fileName, caption);
	});
	return result;
}

QString HistoryDocument::inDialogsText() const {
	QString result;
	buildStringRepresentation([&result](const QString &type, const QString &fileName, const Text &caption) {
		result = captionedInDialogsText(fileName.isEmpty() ? type : fileName, caption);
	});
	return result;
}

TextWithEntities HistoryDocument::selectedText(TextSelection selection) const {
	TextWithEntities result;
	buildStringRepresentation([&result, selection](const QString &type, const QString &fileName, const Text &caption) {
		auto fullType = type;
		if (!fileName.isEmpty()) {
			fullType.append(qstr(" : ")).append(fileName);
		}
		result = captionedSelectedText(fullType, caption, selection);
	});
	return result;
}

template <typename Callback>
void HistoryDocument::buildStringRepresentation(Callback callback) const {
	const Text emptyCaption;
	const Text *caption = &emptyCaption;
	if (auto captioned = Get<HistoryDocumentCaptioned>()) {
		caption = &captioned->_caption;
	}
	QString attachType = lang(lng_in_dlg_file);
	if (Has<HistoryDocumentVoice>()) {
		attachType = lang(lng_in_dlg_audio);
	} else if (_data->song()) {
		attachType = lang(lng_in_dlg_audio_file);
	}

	QString attachFileName;
	if (auto named = Get<HistoryDocumentNamed>()) {
		if (!named->_name.isEmpty()) {
			attachFileName = named->_name;
		}
	}
	return callback(attachType, attachFileName, *caption);
}

void HistoryDocument::setStatusSize(int32 newSize, qint64 realDuration) const {
	int32 duration = _data->song() ? _data->song()->duration : (_data->voice() ? _data->voice()->duration : -1);
	HistoryFileMedia::setStatusSize(newSize, _data->size, duration, realDuration);
	if (auto thumbed = Get<HistoryDocumentThumbed>()) {
		if (_statusSize == FileStatusSizeReady) {
			thumbed->_link = lang(lng_media_download).toUpper();
		} else if (_statusSize == FileStatusSizeLoaded) {
			thumbed->_link = lang(lng_media_open_with).toUpper();
		} else if (_statusSize == FileStatusSizeFailed) {
			thumbed->_link = lang(lng_media_download).toUpper();
		} else if (_statusSize >= 0) {
			thumbed->_link = lang(lng_media_cancel).toUpper();
		} else {
			thumbed->_link = lang(lng_media_open_with).toUpper();
		}
		thumbed->_linkw = st::semiboldFont->width(thumbed->_link);
	}
}

bool HistoryDocument::updateStatusText() const {
	bool showPause = false;
	int32 statusSize = 0, realDuration = 0;
	if (_data->status == FileDownloadFailed || _data->status == FileUploadFailed) {
		statusSize = FileStatusSizeFailed;
	} else if (_data->status == FileUploading) {
		statusSize = _data->uploadOffset;
	} else if (_data->loading()) {
		statusSize = _data->loadOffset();
	} else if (_data->loaded()) {
		statusSize = FileStatusSizeLoaded;
		if (audioPlayer()) {
			if (_data->voice()) {
				AudioMsgId playing;
				auto playbackState = audioPlayer()->currentState(&playing, AudioMsgId::Type::Voice);
				if (playing == AudioMsgId(_data, _parent->fullId()) && !(playbackState.state & AudioPlayerStoppedMask) && playbackState.state != AudioPlayerFinishing) {
					if (auto voice = Get<HistoryDocumentVoice>()) {
						bool was = voice->_playback;
						voice->ensurePlayback(this);
						if (!was || playbackState.position != voice->_playback->_position) {
							float64 prg = playbackState.duration ? snap(float64(playbackState.position) / playbackState.duration, 0., 1.) : 0.;
							if (voice->_playback->_position < playbackState.position) {
								voice->_playback->a_progress.start(prg);
							} else {
								voice->_playback->a_progress = anim::fvalue(0., prg);
							}
							voice->_playback->_position = playbackState.position;
							voice->_playback->_a_progress.start();
						}
					}

					statusSize = -1 - (playbackState.position / (playbackState.frequency ? playbackState.frequency : AudioVoiceMsgFrequency));
					realDuration = playbackState.duration / (playbackState.frequency ? playbackState.frequency : AudioVoiceMsgFrequency);
					showPause = (playbackState.state == AudioPlayerPlaying || playbackState.state == AudioPlayerResuming || playbackState.state == AudioPlayerStarting);
				} else {
					if (auto voice = Get<HistoryDocumentVoice>()) {
						voice->checkPlaybackFinished();
					}
				}
			} else if (_data->song()) {
				AudioMsgId playing;
				auto playbackState = audioPlayer()->currentState(&playing, AudioMsgId::Type::Song);
				if (playing == AudioMsgId(_data, _parent->fullId()) && !(playbackState.state & AudioPlayerStoppedMask) && playbackState.state != AudioPlayerFinishing) {
					statusSize = -1 - (playbackState.position / (playbackState.frequency ? playbackState.frequency : AudioVoiceMsgFrequency));
					realDuration = playbackState.duration / (playbackState.frequency ? playbackState.frequency : AudioVoiceMsgFrequency);
					showPause = (playbackState.state == AudioPlayerPlaying || playbackState.state == AudioPlayerResuming || playbackState.state == AudioPlayerStarting);
				} else {
				}
				if (!showPause && (playing == AudioMsgId(_data, _parent->fullId())) && App::main() && App::main()->player()->seekingSong(playing)) {
					showPause = true;
				}
			}
		}
	} else {
		statusSize = FileStatusSizeReady;
	}
	if (statusSize != _statusSize) {
		setStatusSize(statusSize, realDuration);
	}
	return showPause;
}

void HistoryDocument::step_voiceProgress(float64 ms, bool timer) {
	if (auto voice = Get<HistoryDocumentVoice>()) {
		if (voice->_playback) {
			float64 dt = ms / (2 * AudioVoiceMsgUpdateView);
			if (dt >= 1) {
				voice->_playback->_a_progress.stop();
				voice->_playback->a_progress.finish();
			} else {
				voice->_playback->a_progress.update(qMin(dt, 1.), anim::linear);
			}
			if (timer) Ui::repaintHistoryItem(_parent);
		}
	}
}

void HistoryDocument::attachToParent() {
	App::regDocumentItem(_data, _parent);
}

void HistoryDocument::detachFromParent() {
	App::unregDocumentItem(_data, _parent);
}

void HistoryDocument::updateSentMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaDocument) {
		App::feedDocument(media.c_messageMediaDocument().vdocument, _data);
		if (!_data->data().isEmpty()) {
			if (_data->voice()) {
				Local::writeAudio(_data->mediaKey(), _data->data());
			} else {
				Local::writeStickerImage(_data->mediaKey(), _data->data());
			}
		}
	}
}

bool HistoryDocument::needReSetInlineResultMedia(const MTPMessageMedia &media) {
	return needReSetInlineResultDocument(media, _data);
}

ImagePtr HistoryDocument::replyPreview() {
	return _data->makeReplyPreview();
}

HistoryGif::HistoryGif(HistoryItem *parent, DocumentData *document, const QString &caption) : HistoryFileMedia(parent)
, _data(document)
, _thumbw(1)
, _thumbh(1)
, _caption(st::minPhotoSize - st::msgPadding.left() - st::msgPadding.right())
, _gif(nullptr) {
	setDocumentLinks(_data, true);

	setStatusSize(FileStatusSizeReady);

	if (!caption.isEmpty()) {
		_caption.setText(st::msgFont, caption + _parent->skipBlock(), itemTextNoMonoOptions(_parent));
	}

	_data->thumb->load();
}

HistoryGif::HistoryGif(HistoryItem *parent, const HistoryGif &other) : HistoryFileMedia(parent)
, _data(other._data)
, _thumbw(other._thumbw)
, _thumbh(other._thumbh)
, _caption(other._caption)
, _gif(nullptr) {
	setDocumentLinks(_data, true);

	setStatusSize(other._statusSize);
}

void HistoryGif::initDimensions() {
	if (_caption.hasSkipBlock()) {
		_caption.setSkipBlock(_parent->skipBlockWidth(), _parent->skipBlockHeight());
	}

	bool bubble = _parent->hasBubble();
	int32 tw = 0, th = 0;
	if (gif() && _gif->state() == Media::Clip::State::Error) {
		if (!_gif->autoplay()) {
			Ui::showLayer(new InformBox(lang(lng_gif_error)));
		}
		App::unregGifItem(_gif);
		delete _gif;
		_gif = Media::Clip::BadReader;
	}

	if (gif() && _gif->ready()) {
		tw = convertScale(_gif->width());
		th = convertScale(_gif->height());
	} else {
		tw = convertScale(_data->dimensions.width()), th = convertScale(_data->dimensions.height());
		if (!tw || !th) {
			tw = convertScale(_data->thumb->width());
			th = convertScale(_data->thumb->height());
		}
	}
	if (tw > st::maxGifSize) {
		th = (st::maxGifSize * th) / tw;
		tw = st::maxGifSize;
	}
	if (th > st::maxGifSize) {
		tw = (st::maxGifSize * tw) / th;
		th = st::maxGifSize;
	}
	if (!tw || !th) {
		tw = th = 1;
	}
	_thumbw = tw;
	_thumbh = th;
	_maxw = qMax(tw, int32(st::minPhotoSize));
	_minh = qMax(th, int32(st::minPhotoSize));
	_maxw = qMax(_maxw, _parent->infoWidth() + 2 * int32(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	if (!gif() || !_gif->ready()) {
		_maxw = qMax(_maxw, gifMaxStatusWidth(_data) + 2 * int32(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	}
	if (bubble) {
		_maxw += st::mediaPadding.left() + st::mediaPadding.right();
		_minh += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			_minh += st::mediaCaptionSkip + _caption.countHeight(_maxw - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
		}
	}
}

int HistoryGif::resizeGetHeight(int width) {
	bool bubble = _parent->hasBubble();

	int tw = 0, th = 0;
	if (gif() && _gif->ready()) {
		tw = convertScale(_gif->width());
		th = convertScale(_gif->height());
	} else {
		tw = convertScale(_data->dimensions.width()), th = convertScale(_data->dimensions.height());
		if (!tw || !th) {
			tw = convertScale(_data->thumb->width());
			th = convertScale(_data->thumb->height());
		}
	}
	if (tw > st::maxGifSize) {
		th = (st::maxGifSize * th) / tw;
		tw = st::maxGifSize;
	}
	if (th > st::maxGifSize) {
		tw = (st::maxGifSize * tw) / th;
		th = st::maxGifSize;
	}
	if (!tw || !th) {
		tw = th = 1;
	}

	if (bubble) {
		width -= st::mediaPadding.left() + st::mediaPadding.right();
	}
	if (width < tw) {
		th = qRound((width / float64(tw)) * th);
		tw = width;
	}
	_thumbw = tw;
	_thumbh = th;

	_width = qMax(tw, int32(st::minPhotoSize));
	_height = qMax(th, int32(st::minPhotoSize));
	_width = qMax(_width, _parent->infoWidth() + 2 * int32(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	if (gif() && _gif->ready()) {
		if (!_gif->started()) {
			auto inWebPage = (_parent->getMedia() != this);
			auto roundRadius = inWebPage ? ImageRoundRadius::Small : ImageRoundRadius::Large;
			_gif->start(_thumbw, _thumbh, _width, _height, roundRadius);
		}
	} else {
		_width = qMax(_width, gifMaxStatusWidth(_data) + 2 * int32(st::msgDateImgDelta + st::msgDateImgPadding.x()));
	}
	if (bubble) {
		_width += st::mediaPadding.left() + st::mediaPadding.right();
		_height += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			_height += st::mediaCaptionSkip + _caption.countHeight(_width - st::msgPadding.left() - st::msgPadding.right()) + st::msgPadding.bottom();
		}
	}

	return _height;
}

void HistoryGif::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;

	_data->automaticLoad(_parent);
	bool loaded = _data->loaded(), displayLoading = (_parent->id < 0) || _data->displayLoading();
	bool selected = (selection == FullSelection);

	if (loaded && !gif() && _gif != Media::Clip::BadReader && cAutoPlayGif()) {
		Ui::autoplayMediaInlineAsync(_parent->fullId());
	}

	int32 skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();
	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;

	int32 captionw = width - st::msgPadding.left() - st::msgPadding.right();

	bool animating = (gif() && _gif->started());

	if (!animating || _parent->id < 0) {
		if (displayLoading) {
			ensureAnimation();
			if (!_animation->radial.animating()) {
				_animation->radial.start(dataProgress());
			}
		}
		updateStatusText();
	}
	bool radial = isRadialAnimation(ms);

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();

		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
		if (!_caption.isEmpty()) {
			height -= st::mediaCaptionSkip + _caption.countHeight(captionw) + st::msgPadding.bottom();
		}
	} else {
		App::roundShadow(p, 0, 0, width, _height, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
	}

	QRect rthumb(rtlrect(skipx, skipy, width, height, _width));

	if (animating) {
		p.drawPixmap(rthumb.topLeft(), _gif->current(_thumbw, _thumbh, width, height, (Ui::isLayerShown() || Ui::isMediaViewShown() || Ui::isInlineItemBeingChosen()) ? 0 : ms));
	} else {
		p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(ImageRoundRadius::Large, _thumbw, _thumbh, width, height));
	}
	if (selected) {
		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
	}

	if (radial || (!_gif && ((!loaded && !_data->loading()) || !cAutoPlayGif())) || (_gif == Media::Clip::BadReader)) {
		float64 radialOpacity = (radial && loaded && _parent->id > 0) ? _animation->radial.opacity() : 1;
		QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
		p.setPen(Qt::NoPen);
		if (selected) {
			p.setBrush(st::msgDateImgBgSelected);
		} else if (isThumbAnimation(ms)) {
			float64 over = _animation->a_thumbOver.current();
			p.setOpacity((st::msgDateImgBg->c.alphaF() * (1 - over)) + (st::msgDateImgBgOver->c.alphaF() * over));
			p.setBrush(st::black);
		} else {
			bool over = ClickHandler::showAsActive(_data->loading() ? _cancell : _savel);
			p.setBrush(over ? st::msgDateImgBgOver : st::msgDateImgBg);
		}
		p.setOpacity(radialOpacity * p.opacity());

		p.setRenderHint(QPainter::HighQualityAntialiasing);
		p.drawEllipse(inner);
		p.setRenderHint(QPainter::HighQualityAntialiasing, false);

		p.setOpacity(radialOpacity);
		style::sprite icon;
		if (_data->loaded() && !radial) {
			icon = (selected ? st::msgFileInPlaySelected : st::msgFileInPlay);
		} else if (radial || _data->loading()) {
			if (_parent->id > 0 || _data->uploading()) {
				icon = (selected ? st::msgFileInCancelSelected : st::msgFileInCancel);
			}
		} else {
			icon = (selected ? st::msgFileInDownloadSelected : st::msgFileInDownload);
		}
		if (!icon.isEmpty()) {
			p.drawSpriteCenter(inner, icon);
		}
		if (radial) {
			p.setOpacity(1);
			QRect rinner(inner.marginsRemoved(QMargins(st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine, st::msgFileRadialLine)));
			_animation->radial.draw(p, rinner, st::msgFileRadialLine, selected ? st::msgInBgSelected : st::msgInBg);
		}

		if (!animating || _parent->id < 0) {
			int32 statusX = skipx + st::msgDateImgDelta + st::msgDateImgPadding.x(), statusY = skipy + st::msgDateImgDelta + st::msgDateImgPadding.y();
			int32 statusW = st::normalFont->width(_statusText) + 2 * st::msgDateImgPadding.x();
			int32 statusH = st::normalFont->height + 2 * st::msgDateImgPadding.y();
			App::roundRect(p, rtlrect(statusX - st::msgDateImgPadding.x(), statusY - st::msgDateImgPadding.y(), statusW, statusH, _width), selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);
			p.setFont(st::normalFont);
			p.setPen(st::white);
			p.drawTextLeft(statusX, statusY, _width, _statusText, statusW - 2 * st::msgDateImgPadding.x());
		}
	}

	if (!_caption.isEmpty()) {
		p.setPen(st::black);
		_caption.draw(p, st::msgPadding.left(), skipy + height + st::mediaPadding.bottom() + st::mediaCaptionSkip, captionw, style::al_left, 0, -1, selection);
	} else if (_parent->getMedia() == this && (_data->uploading() || App::hoveredItem() == _parent)) {
		int32 fullRight = skipx + width, fullBottom = skipy + height;
		_parent->drawInfo(p, fullRight, fullBottom, 2 * skipx + width, selected, InfoDisplayOverImage);
	}
}

HistoryTextState HistoryGif::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();
		if (!_caption.isEmpty()) {
			int32 captionw = width - st::msgPadding.left() - st::msgPadding.right();
			height -= _caption.countHeight(captionw) + st::msgPadding.bottom();
			if (x >= st::msgPadding.left() && y >= height && x < st::msgPadding.left() + captionw && y < _height) {
				result = _caption.getState(x - st::msgPadding.left(), y - height, captionw, request.forText());
				return result;
			}
			height -= st::mediaCaptionSkip;
		}
		width -= st::mediaPadding.left() + st::mediaPadding.right();
		height -= skipy + st::mediaPadding.bottom();
	}
	if (x >= skipx && y >= skipy && x < skipx + width && y < skipy + height) {
		if (_data->uploading()) {
			result.link = _cancell;
		} else if (!gif() || !cAutoPlayGif()) {
			result.link = _data->loaded() ? _openl : (_data->loading() ? _cancell : _savel);
		}
		if (_parent->getMedia() == this) {
			int32 fullRight = skipx + width, fullBottom = skipy + height;
			bool inDate = _parent->pointInTime(fullRight, fullBottom, x, y, InfoDisplayOverImage);
			if (inDate) {
				result.cursor = HistoryInDateCursorState;
			}
		}
		return result;
	}
	return result;
}

QString HistoryGif::notificationText() const {
	return captionedNotificationText(qsl("GIF"), _caption);
}

QString HistoryGif::inDialogsText() const {
	return captionedInDialogsText(qsl("GIF"), _caption);
}

TextWithEntities HistoryGif::selectedText(TextSelection selection) const {
	return captionedSelectedText(qsl("GIF"), _caption, selection);
}

void HistoryGif::setStatusSize(int32 newSize) const {
	HistoryFileMedia::setStatusSize(newSize, _data->size, -2, 0);
}

void HistoryGif::updateStatusText() const {
	bool showPause = false;
	int32 statusSize = 0, realDuration = 0;
	if (_data->status == FileDownloadFailed || _data->status == FileUploadFailed) {
		statusSize = FileStatusSizeFailed;
	} else if (_data->status == FileUploading) {
		statusSize = _data->uploadOffset;
	} else if (_data->loading()) {
		statusSize = _data->loadOffset();
	} else if (_data->loaded()) {
		statusSize = FileStatusSizeLoaded;
	} else {
		statusSize = FileStatusSizeReady;
	}
	if (statusSize != _statusSize) {
		setStatusSize(statusSize);
	}
}

void HistoryGif::attachToParent() {
	App::regDocumentItem(_data, _parent);
}

void HistoryGif::detachFromParent() {
	App::unregDocumentItem(_data, _parent);
}

void HistoryGif::updateSentMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaDocument) {
		App::feedDocument(media.c_messageMediaDocument().vdocument, _data);
	}
}

bool HistoryGif::needReSetInlineResultMedia(const MTPMessageMedia &media) {
	return needReSetInlineResultDocument(media, _data);
}

ImagePtr HistoryGif::replyPreview() {
	return _data->makeReplyPreview();
}

bool HistoryGif::playInline(bool autoplay) {
	if (gif()) {
		stopInline();
	} else if (_data->loaded(DocumentData::FilePathResolveChecked)) {
		if (!cAutoPlayGif()) {
			App::stopGifItems();
		}
		_gif = new Media::Clip::Reader(_data->location(), _data->data(), [this](Media::Clip::Notification notification) {
			_parent->clipCallback(notification);
		});
		App::regGifItem(_gif, _parent);
		if (gif()) _gif->setAutoplay();
	}
	return true;
}

void HistoryGif::stopInline() {
	if (gif()) {
		App::unregGifItem(_gif);
		delete _gif;
		_gif = 0;
	}

	_parent->setPendingInitDimensions();
	Notify::historyItemLayoutChanged(_parent);
}

HistoryGif::~HistoryGif() {
	if (gif()) {
		App::unregGifItem(_gif);
		deleteAndMark(_gif);
	}
}

float64 HistoryGif::dataProgress() const {
	return (_data->uploading() || !_parent || _parent->id > 0) ? _data->progress() : 0;
}

bool HistoryGif::dataFinished() const {
	return (!_parent || _parent->id > 0) ? (!_data->loading() && !_data->uploading()) : false;
}

bool HistoryGif::dataLoaded() const {
	return (!_parent || _parent->id > 0) ? _data->loaded() : false;
}

namespace {

class StickerClickHandler : public LeftButtonClickHandler {
public:
	StickerClickHandler(const HistoryItem *item) : _item(item) {
	}

protected:
	void onClickImpl() const override {
		if (auto media = _item->getMedia()) {
			if (auto document = media->getDocument()) {
				if (auto sticker = document->sticker()) {
					if (sticker->set.type() != mtpc_inputStickerSetEmpty && App::main()) {
						App::main()->stickersBox(sticker->set);
					}
				}
			}
		}
	}

private:
	const HistoryItem *_item;

};

} // namespace

HistorySticker::HistorySticker(HistoryItem *parent, DocumentData *document) : HistoryMedia(parent)
, _pixw(1)
, _pixh(1)
, _data(document)
, _emoji(_data->sticker()->alt) {
	_data->thumb->load();
	if (auto e = emojiFromText(_emoji)) {
		_emoji = emojiString(e);
	}
}

void HistorySticker::initDimensions() {
	auto sticker = _data->sticker();

	if (!_packLink && sticker && sticker->set.type() != mtpc_inputStickerSetEmpty) {
		_packLink = ClickHandlerPtr(new StickerClickHandler(_parent));
	}
	_pixw = _data->dimensions.width();
	_pixh = _data->dimensions.height();
	if (_pixw > st::maxStickerSize) {
		_pixh = (st::maxStickerSize * _pixh) / _pixw;
		_pixw = st::maxStickerSize;
	}
	if (_pixh > st::maxStickerSize) {
		_pixw = (st::maxStickerSize * _pixw) / _pixh;
		_pixh = st::maxStickerSize;
	}
	if (_pixw < 1) _pixw = 1;
	if (_pixh < 1) _pixh = 1;
	_maxw = qMax(_pixw, int16(st::minPhotoSize));
	_minh = qMax(_pixh, int16(st::minPhotoSize));
	if (_parent->getMedia() == this) {
		_maxw += additionalWidth();
	}

	_height = _minh;
}

int HistorySticker::resizeGetHeight(int width) { // return new height
	_width = qMin(width, _maxw);
	if (_parent->getMedia() == this) {
		auto via = _parent->Get<HistoryMessageVia>();
		auto reply = _parent->Get<HistoryMessageReply>();
		if (via || reply) {
			int usew = _maxw - additionalWidth(via, reply);
			int availw = _width - usew - st::msgReplyPadding.left() - st::msgReplyPadding.left() - st::msgReplyPadding.left();
			if (via) {
				via->resize(availw);
			}
			if (reply) {
				reply->resize(availw);
			}
		}
	}
	return _height;
}

void HistorySticker::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	auto sticker = _data->sticker();
	if (!sticker) return;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;

	_data->checkSticker();
	bool loaded = _data->loaded();
	bool selected = (selection == FullSelection);

	bool out = _parent->out(), isPost = _parent->isPost(), childmedia = (_parent->getMedia() != this);

	int usew = _maxw, usex = 0;
	auto via = childmedia ? nullptr : _parent->Get<HistoryMessageVia>();
	auto reply = childmedia ? nullptr : _parent->Get<HistoryMessageReply>();
	if (via || reply) {
		usew -= additionalWidth(via, reply);
		if (isPost) {
		} else if (out) {
			usex = _width - usew;
		}
	}
	if (rtl()) usex = _width - usex - usew;

	if (selected) {
		if (sticker->img->isNull()) {
			p.drawPixmap(QPoint(usex + (usew - _pixw) / 2, (_minh - _pixh) / 2), _data->thumb->pixBlurredColored(st::msgStickerOverlay, _pixw, _pixh));
		} else {
			p.drawPixmap(QPoint(usex + (usew - _pixw) / 2, (_minh - _pixh) / 2), sticker->img->pixColored(st::msgStickerOverlay, _pixw, _pixh));
		}
	} else {
		if (sticker->img->isNull()) {
			p.drawPixmap(QPoint(usex + (usew - _pixw) / 2, (_minh - _pixh) / 2), _data->thumb->pixBlurred(_pixw, _pixh));
		} else {
			p.drawPixmap(QPoint(usex + (usew - _pixw) / 2, (_minh - _pixh) / 2), sticker->img->pix(_pixw, _pixh));
		}
	}

	if (!childmedia) {
		_parent->drawInfo(p, usex + usew, _height, usex * 2 + usew, selected, InfoDisplayOverBackground);

		if (via || reply) {
			int rectw = _width - usew - st::msgReplyPadding.left();
			int recth = st::msgReplyPadding.top() + st::msgReplyPadding.bottom();
			if (via) {
				recth += st::msgServiceNameFont->height + (reply ? st::msgReplyPadding.top() : 0);
			}
			if (reply) {
				recth += st::msgReplyBarSize.height();
			}
			int rectx = isPost ? (usew + st::msgReplyPadding.left()) : (out ? 0 : (usew + st::msgReplyPadding.left()));
			int recty = _height - recth;
			if (rtl()) rectx = _width - rectx - rectw;

			// Make the bottom of the rect at the same level as the bottom of the info rect.
			recty -= st::msgDateImgDelta;

			App::roundRect(p, rectx, recty, rectw, recth, selected ? App::msgServiceSelectBg() : App::msgServiceBg(), selected ? StickerSelectedCorners : StickerCorners);
			rectx += st::msgReplyPadding.left();
			rectw -= st::msgReplyPadding.left() + st::msgReplyPadding.right();
			if (via) {
				p.drawTextLeft(rectx, recty + st::msgReplyPadding.top(), 2 * rectx + rectw, via->_text);
				int skip = st::msgServiceNameFont->height + (reply ? st::msgReplyPadding.top() : 0);
				recty += skip;
			}
			if (reply) {
				HistoryMessageReply::PaintFlags flags = 0;
				if (selected) {
					flags |= HistoryMessageReply::PaintSelected;
				}
				reply->paint(p, _parent, rectx, recty, rectw, flags);
			}
		}
	}
}

HistoryTextState HistorySticker::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;

	bool out = _parent->out(), isPost = _parent->isPost(), childmedia = (_parent->getMedia() != this);

	int usew = _maxw, usex = 0;
	auto via = childmedia ? nullptr : _parent->Get<HistoryMessageVia>();
	auto reply = childmedia ? nullptr : _parent->Get<HistoryMessageReply>();
	if (via || reply) {
		usew -= additionalWidth(via, reply);
		if (isPost) {
		} else if (out) {
			usex = _width - usew;
		}
	}
	if (rtl()) usex = _width - usex - usew;

	if (via || reply) {
		int rectw = _width - usew - st::msgReplyPadding.left();
		int recth = st::msgReplyPadding.top() + st::msgReplyPadding.bottom();
		if (via) {
			recth += st::msgServiceNameFont->height + (reply ? st::msgReplyPadding.top() : 0);
		}
		if (reply) {
			recth += st::msgReplyBarSize.height();
		}
		int rectx = isPost ? (usew + st::msgReplyPadding.left()) : (out ? 0 : (usew + st::msgReplyPadding.left()));
		int recty = _height - recth;
		if (rtl()) rectx = _width - rectx - rectw;

		// Make the bottom of the rect at the same level as the bottom of the info rect.
		recty -= st::msgDateImgDelta;

		if (via) {
			int viah = st::msgReplyPadding.top() + st::msgServiceNameFont->height + (reply ? 0 : st::msgReplyPadding.bottom());
			if (x >= rectx && y >= recty && x < rectx + rectw && y < recty + viah) {
				result.link = via->_lnk;
				return result;
			}
			int skip = st::msgServiceNameFont->height + (reply ? 2 * st::msgReplyPadding.top() : 0);
			recty += skip;
			recth -= skip;
		}
		if (reply) {
			if (x >= rectx && y >= recty && x < rectx + rectw && y < recty + recth) {
				result.link = reply->replyToLink();
				return result;
			}
		}
	}
	if (_parent->getMedia() == this) {
		bool inDate = _parent->pointInTime(usex + usew, _height, x, y, InfoDisplayOverImage);
		if (inDate) {
			result.cursor = HistoryInDateCursorState;
		}
	}

	int pixLeft = usex + (usew - _pixw) / 2, pixTop = (_minh - _pixh) / 2;
	if (x >= pixLeft && x < pixLeft + _pixw && y >= pixTop && y < pixTop + _pixh) {
		result.link = _packLink;
		return result;
	}
	return result;
}

QString HistorySticker::toString() const {
	return _emoji.isEmpty() ? lang(lng_in_dlg_sticker) : lng_in_dlg_sticker_emoji(lt_emoji, _emoji);
}

QString HistorySticker::notificationText() const {
	return toString();
}

TextWithEntities HistorySticker::selectedText(TextSelection selection) const {
	if (selection != FullSelection) {
		return TextWithEntities();
	}
	return { qsl("[ ") + toString() + qsl(" ]"), EntitiesInText() };
}

void HistorySticker::attachToParent() {
	App::regDocumentItem(_data, _parent);
}

void HistorySticker::detachFromParent() {
	App::unregDocumentItem(_data, _parent);
}

void HistorySticker::updateSentMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaDocument) {
		App::feedDocument(media.c_messageMediaDocument().vdocument, _data);
		if (!_data->data().isEmpty()) {
			Local::writeStickerImage(_data->mediaKey(), _data->data());
		}
	}
}

bool HistorySticker::needReSetInlineResultMedia(const MTPMessageMedia &media) {
	return needReSetInlineResultDocument(media, _data);
}

int HistorySticker::additionalWidth(const HistoryMessageVia *via, const HistoryMessageReply *reply) const {
	int result = 0;
	if (via) {
		accumulate_max(result, st::msgReplyPadding.left() + st::msgReplyPadding.left() + via->_maxWidth + st::msgReplyPadding.left());
	}
	if (reply) {
		accumulate_max(result, st::msgReplyPadding.left() + reply->replyToWidth());
	}
	return result;
}

void SendMessageClickHandler::onClickImpl() const {
	Ui::showPeerHistory(peer()->id, ShowAtUnreadMsgId, Ui::ShowWay::Forward);
}

void AddContactClickHandler::onClickImpl() const {
	if (HistoryItem *item = App::histItemById(peerToChannel(peer()), msgid())) {
		if (HistoryMedia *media = item->getMedia()) {
			if (media->type() == MediaTypeContact) {
				QString fname = static_cast<HistoryContact*>(media)->fname();
				QString lname = static_cast<HistoryContact*>(media)->lname();
				QString phone = static_cast<HistoryContact*>(media)->phone();
				Ui::showLayer(new AddContactBox(fname, lname, phone));
			}
		}
	}
}

HistoryContact::HistoryContact(HistoryItem *parent, int32 userId, const QString &first, const QString &last, const QString &phone) : HistoryMedia(parent)
, _userId(userId)
, _contact(0)
, _phonew(0)
, _fname(first)
, _lname(last)
, _phone(App::formatPhone(phone))
, _linkw(0) {
	_name.setText(st::semiboldFont, lng_full_name(lt_first_name, first, lt_last_name, last).trimmed(), _textNameOptions);

	_phonew = st::normalFont->width(_phone);
}

void HistoryContact::initDimensions() {
	_maxw = st::msgFileMinWidth;

	_contact = _userId ? App::userLoaded(_userId) : 0;
	if (_contact) {
		_contact->loadUserpic();
	}
	if (_contact && _contact->contact > 0) {
		_linkl.reset(new SendMessageClickHandler(_contact));
		_link = lang(lng_profile_send_message).toUpper();
	} else if (_userId) {
		_linkl.reset(new AddContactClickHandler(_parent->history()->peer->id, _parent->id));
		_link = lang(lng_profile_add_contact).toUpper();
	}
	_linkw = _link.isEmpty() ? 0 : st::semiboldFont->width(_link);

	int32 tleft = 0, tright = 0;
	if (_userId) {
		tleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		tright = st::msgFileThumbPadding.left();
		_maxw = qMax(_maxw, tleft + _phonew + tright);
	} else {
		tleft = st::msgFilePadding.left() + st::msgFileSize + st::msgFilePadding.right();
		tright = st::msgFileThumbPadding.left();
		_maxw = qMax(_maxw, tleft + _phonew + _parent->skipBlockWidth() + st::msgPadding.right());
	}

	_maxw = qMax(tleft + _name.maxWidth() + tright, _maxw);
	_maxw = qMin(_maxw, int(st::msgMaxWidth));

	if (_userId) {
		_minh = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();
		if (_parent->Has<HistoryMessageSigned>()) {
			_minh += st::msgDateFont->height - st::msgDateDelta.y();
		}
	} else {
		_minh = st::msgFilePadding.top() + st::msgFileSize + st::msgFilePadding.bottom();
	}
	_height = _minh;
}

void HistoryContact::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;

	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;
	bool selected = (selection == FullSelection);

	if (width >= _maxw) {
		width = _maxw;
	}

	int32 nameleft = 0, nametop = 0, nameright = 0, statustop = 0, linktop = 0;
	if (_userId) {
		nameleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		nametop = st::msgFileThumbNameTop;
		nameright = st::msgFileThumbPadding.left();
		statustop = st::msgFileThumbStatusTop;
		linktop = st::msgFileThumbLinkTop;

		QRect rthumb(rtlrect(st::msgFileThumbPadding.left(), st::msgFileThumbPadding.top(), st::msgFileThumbSize, st::msgFileThumbSize, width));
		if (_contact) {
			_contact->paintUserpic(p, st::msgFileThumbSize, rthumb.x(), rthumb.y());
		} else {
			p.drawPixmap(rthumb.topLeft(), userDefPhoto(qAbs(_userId) % UserColorsCount)->pixCircled(st::msgFileThumbSize, st::msgFileThumbSize));
		}
		if (selected) {
			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
		}

		bool over = ClickHandler::showAsActive(_linkl);
		p.setFont(over ? st::semiboldFont->underline() : st::semiboldFont);
		p.setPen(outbg ? (selected ? st::msgFileThumbLinkOutFgSelected : st::msgFileThumbLinkOutFg) : (selected ? st::msgFileThumbLinkInFgSelected : st::msgFileThumbLinkInFg));
		p.drawTextLeft(nameleft, linktop, width, _link, _linkw);
	} else {
		nameleft = st::msgFilePadding.left() + st::msgFileSize + st::msgFilePadding.right();
		nametop = st::msgFileNameTop;
		nameright = st::msgFilePadding.left();
		statustop = st::msgFileStatusTop;

		QRect inner(rtlrect(st::msgFilePadding.left(), st::msgFilePadding.top(), st::msgFileSize, st::msgFileSize, width));
		p.drawPixmap(inner.topLeft(), userDefPhoto(qAbs(_parent->id) % UserColorsCount)->pixCircled(st::msgFileSize, st::msgFileSize));
	}
	int32 namewidth = width - nameleft - nameright;

	p.setFont(st::semiboldFont);
	p.setPen(st::black);
	_name.drawLeftElided(p, nameleft, nametop, namewidth, width);

	style::color status(outbg ? (selected ? st::mediaOutFgSelected : st::mediaOutFg) : (selected ? st::mediaInFgSelected : st::mediaInFg));
	p.setFont(st::normalFont);
	p.setPen(status);
	p.drawTextLeft(nameleft, statustop, width, _phone);
}

HistoryTextState HistoryContact::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;
	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;

	int32 nameleft = 0, nametop = 0, nameright = 0, statustop = 0, linktop = 0;
	if (_userId) {
		nameleft = st::msgFileThumbPadding.left() + st::msgFileThumbSize + st::msgFileThumbPadding.right();
		linktop = st::msgFileThumbLinkTop;
		if (rtlrect(nameleft, linktop, _linkw, st::semiboldFont->height, _width).contains(x, y)) {
			result.link = _linkl;
			return result;
		}
	}
	if (x >= 0 && y >= 0 && x < _width && y < _height && _contact) {
		result.link = _contact->openLink();
		return result;
	}
	return result;
}

QString HistoryContact::notificationText() const {
	return lang(lng_in_dlg_contact);
}

TextWithEntities HistoryContact::selectedText(TextSelection selection) const {
	if (selection != FullSelection) {
		return TextWithEntities();
	}
	return { qsl("[ ") + lang(lng_in_dlg_contact) + qsl(" ]\n") + _name.originalText() + '\n' + _phone, EntitiesInText() };
}

void HistoryContact::attachToParent() {
	if (_userId) {
		App::regSharedContactItem(_userId, _parent);
	}
}

void HistoryContact::detachFromParent() {
	if (_userId) {
		App::unregSharedContactItem(_userId, _parent);
	}
}

void HistoryContact::updateSentMedia(const MTPMessageMedia &media) {
	if (media.type() == mtpc_messageMediaContact) {
		if (_userId != media.c_messageMediaContact().vuser_id.v) {
			detachFromParent();
			_userId = media.c_messageMediaContact().vuser_id.v;
			attachToParent();
		}
	}
}

namespace {
QString siteNameFromUrl(const QString &url) {
	QUrl u(url);
	QString pretty = u.isValid() ? u.toDisplayString() : url;
	QRegularExpressionMatch m = QRegularExpression(qsl("^[a-zA-Z0-9]+://")).match(pretty);
	if (m.hasMatch()) pretty = pretty.mid(m.capturedLength());
	int32 slash = pretty.indexOf('/');
	if (slash > 0) pretty = pretty.mid(0, slash);
	QStringList components = pretty.split('.', QString::SkipEmptyParts);
	if (components.size() >= 2) {
		components = components.mid(components.size() - 2);
		return components.at(0).at(0).toUpper() + components.at(0).mid(1) + '.' + components.at(1);
	}
	return QString();
}

int32 articleThumbWidth(PhotoData *thumb, int32 height) {
	int32 w = thumb->medium->width(), h = thumb->medium->height();
	return qMax(qMin(height * w / h, height), 1);
}

int32 articleThumbHeight(PhotoData *thumb, int32 width) {
	return qMax(thumb->medium->height() * width / thumb->medium->width(), 1);
}

int32 _lineHeight = 0;
} // namespace

HistoryWebPage::HistoryWebPage(HistoryItem *parent, WebPageData *data) : HistoryMedia(parent)
, _data(data)
, _title(st::msgMinWidth - st::webPageLeft)
, _description(st::msgMinWidth - st::webPageLeft) {
}

HistoryWebPage::HistoryWebPage(HistoryItem *parent, const HistoryWebPage &other) : HistoryMedia(parent)
, _data(other._data)
, _attach(other._attach ? other._attach->clone(parent) : nullptr)
, _asArticle(other._asArticle)
, _title(other._title)
, _description(other._description)
, _siteNameWidth(other._siteNameWidth)
, _durationWidth(other._durationWidth)
, _pixw(other._pixw)
, _pixh(other._pixh) {
}

void HistoryWebPage::initDimensions() {
	if (_data->pendingTill) {
		_maxw = _minh = _height = 0;
		return;
	}
	if (!_lineHeight) _lineHeight = qMax(st::webPageTitleFont->height, st::webPageDescriptionFont->height);

	if (!_openl && !_data->url.isEmpty()) _openl.reset(new UrlClickHandler(_data->url, true));

	// init layout
	QString title(_data->title.isEmpty() ? _data->author : _data->title);
	if (!_data->description.isEmpty() && title.isEmpty() && _data->siteName.isEmpty() && !_data->url.isEmpty()) {
		_data->siteName = siteNameFromUrl(_data->url);
	}
	if (!_data->document && _data->photo && _data->type != WebPagePhoto && _data->type != WebPageVideo) {
		if (_data->type == WebPageProfile) {
			_asArticle = true;
		} else if (_data->siteName == qstr("Twitter") || _data->siteName == qstr("Facebook")) {
			_asArticle = false;
		} else {
			_asArticle = true;
		}
		if (_asArticle && _data->description.isEmpty() && title.isEmpty() && _data->siteName.isEmpty()) {
			_asArticle = false;
		}
	} else {
		_asArticle = false;
	}

	// init attach
	if (!_asArticle && !_attach) {
		if (_data->document) {
			if (_data->document->sticker()) {
				_attach = std_::make_unique<HistorySticker>(_parent, _data->document);
			} else if (_data->document->isAnimation()) {
				_attach = std_::make_unique<HistoryGif>(_parent, _data->document, QString());
			} else if (_data->document->isVideo()) {
				_attach = std_::make_unique<HistoryVideo>(_parent, _data->document, QString());
			} else {
				_attach = std_::make_unique<HistoryDocument>(_parent, _data->document, QString());
			}
		} else if (_data->photo) {
			_attach = std_::make_unique<HistoryPhoto>(_parent, _data->photo, QString());
		}
	}

	// init strings
	if (_description.isEmpty() && !_data->description.isEmpty()) {
		QString text = textClean(_data->description);
		if (text.isEmpty()) {
			_data->description = QString();
		} else {
			if (!_asArticle && !_attach) {
				text += _parent->skipBlock();
			}
			const TextParseOptions *opts = &_webpageDescriptionOptions;
			if (_data->siteName == qstr("Twitter")) {
				opts = &_twitterDescriptionOptions;
			} else if (_data->siteName == qstr("Instagram")) {
				opts = &_instagramDescriptionOptions;
			}
			_description.setText(st::webPageDescriptionFont, text, *opts);
		}
	}
	if (_title.isEmpty() && !title.isEmpty()) {
		title = textOneLine(textClean(title));
		if (title.isEmpty()) {
			if (_data->title.isEmpty()) {
				_data->author = QString();
			} else {
				_data->title = QString();
			}
		} else {
			if (!_asArticle && !_attach && _description.isEmpty()) {
				title += _parent->skipBlock();
			}
			_title.setText(st::webPageTitleFont, title, _webpageTitleOptions);
		}
	}
	if (!_siteNameWidth && !_data->siteName.isEmpty()) {
		_siteNameWidth = st::webPageTitleFont->width(_data->siteName);
	}

	// init dimensions
	int32 l = st::msgPadding.left() + st::webPageLeft, r = st::msgPadding.right();
	int32 skipBlockWidth = _parent->skipBlockWidth();
	_maxw = skipBlockWidth;
	_minh = 0;

	int32 siteNameHeight = _data->siteName.isEmpty() ? 0 : _lineHeight;
	int32 titleMinHeight = _title.isEmpty() ? 0 : _lineHeight;
	int32 descMaxLines = (3 + (siteNameHeight ? 0 : 1) + (titleMinHeight ? 0 : 1));
	int32 descriptionMinHeight = _description.isEmpty() ? 0 : qMin(_description.minHeight(), descMaxLines * _lineHeight);
	int32 articleMinHeight = siteNameHeight + titleMinHeight + descriptionMinHeight;
	int32 articlePhotoMaxWidth = 0;
	if (_asArticle) {
		articlePhotoMaxWidth = st::webPagePhotoDelta + qMax(articleThumbWidth(_data->photo, articleMinHeight), _lineHeight);
	}

	if (_siteNameWidth) {
		if (_title.isEmpty() && _description.isEmpty()) {
			_maxw = qMax(_maxw, int32(_siteNameWidth + _parent->skipBlockWidth()));
		} else {
			_maxw = qMax(_maxw, int32(_siteNameWidth + articlePhotoMaxWidth));
		}
		_minh += _lineHeight;
	}
	if (!_title.isEmpty()) {
		_maxw = qMax(_maxw, int32(_title.maxWidth() + articlePhotoMaxWidth));
		_minh += titleMinHeight;
	}
	if (!_description.isEmpty()) {
		_maxw = qMax(_maxw, int32(_description.maxWidth() + articlePhotoMaxWidth));
		_minh += descriptionMinHeight;
	}
	if (_attach) {
		if (_minh) _minh += st::webPagePhotoSkip;
		_attach->initDimensions();
		QMargins bubble(_attach->bubbleMargins());
		_maxw = qMax(_maxw, int32(_attach->maxWidth() - bubble.left() - bubble.top() + (_attach->customInfoLayout() ? skipBlockWidth : 0)));
		_minh += _attach->minHeight() - bubble.top() - bubble.bottom();
	}
	if (_data->type == WebPageVideo && _data->duration) {
		_duration = formatDurationText(_data->duration);
		_durationWidth = st::msgDateFont->width(_duration);
	}
	_maxw += st::msgPadding.left() + st::webPageLeft + st::msgPadding.right();
	_minh += st::msgPadding.bottom();
	if (_asArticle) {
		_minh = resizeGetHeight(_maxw); // hack
										//		_minh += st::msgDateFont->height;
	}
}

int HistoryWebPage::resizeGetHeight(int width) {
	if (_data->pendingTill) {
		_width = width;
		_height = _minh;
		return _height;
	}

	_width = qMin(width, _maxw);
	width -= st::msgPadding.left() + st::webPageLeft + st::msgPadding.right();

	int32 linesMax = 5;
	int32 siteNameLines = _siteNameWidth ? 1 : 0, siteNameHeight = _siteNameWidth ? _lineHeight : 0;
	if (_asArticle) {
		_pixh = linesMax * _lineHeight;
		do {
			_pixw = articleThumbWidth(_data->photo, _pixh);
			int32 wleft = width - st::webPagePhotoDelta - qMax(_pixw, int16(_lineHeight));

			_height = siteNameHeight;

			if (_title.isEmpty()) {
				_titleLines = 0;
			} else {
				if (_title.countHeight(wleft) < 2 * st::webPageTitleFont->height) {
					_titleLines = 1;
				} else {
					_titleLines = 2;
				}
				_height += _titleLines * _lineHeight;
			}

			int32 descriptionHeight = _description.countHeight(wleft);
			if (descriptionHeight < (linesMax - siteNameLines - _titleLines) * st::webPageDescriptionFont->height) {
				_descriptionLines = (descriptionHeight / st::webPageDescriptionFont->height);
			} else {
				_descriptionLines = (linesMax - siteNameLines - _titleLines);
			}
			_height += _descriptionLines * _lineHeight;

			if (_height >= _pixh) {
				break;
			}

			_pixh -= _lineHeight;
		} while (_pixh > _lineHeight);
		_height += st::msgDateFont->height;
	} else {
		_height = siteNameHeight;

		if (_title.isEmpty()) {
			_titleLines = 0;
		} else {
			if (_title.countHeight(width) < 2 * st::webPageTitleFont->height) {
				_titleLines = 1;
			} else {
				_titleLines = 2;
			}
			_height += _titleLines * _lineHeight;
		}

		if (_description.isEmpty()) {
			_descriptionLines = 0;
		} else {
			int32 descriptionHeight = _description.countHeight(width);
			if (descriptionHeight < (linesMax - siteNameLines - _titleLines) * st::webPageDescriptionFont->height) {
				_descriptionLines = (descriptionHeight / st::webPageDescriptionFont->height);
			} else {
				_descriptionLines = (linesMax - siteNameLines - _titleLines);
			}
			_height += _descriptionLines * _lineHeight;
		}

		if (_attach) {
			if (_height) _height += st::webPagePhotoSkip;

			QMargins bubble(_attach->bubbleMargins());

			_attach->resizeGetHeight(width + bubble.left() + bubble.right());
			_height += _attach->height() - bubble.top() - bubble.bottom();
			if (_attach->customInfoLayout() && _attach->currentWidth() + _parent->skipBlockWidth() > width + bubble.left() + bubble.right()) {
				_height += st::msgDateFont->height;
			}
		}
	}
	_height += st::msgPadding.bottom();

	return _height;
}

void HistoryWebPage::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;

	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;
	bool selected = (selection == FullSelection);

	style::color barfg = (selected ? (outbg ? st::msgOutReplyBarSelColor : st::msgInReplyBarSelColor) : (outbg ? st::msgOutReplyBarColor : st::msgInReplyBarColor));
	style::color semibold = (selected ? (outbg ? st::msgOutServiceFgSelected : st::msgInServiceFgSelected) : (outbg ? st::msgOutServiceFg : st::msgInServiceFg));
	style::color regular = (selected ? (outbg ? st::msgOutDateFgSelected : st::msgInDateFgSelected) : (outbg ? st::msgOutDateFg : st::msgInDateFg));

	int32 lshift = st::msgPadding.left() + st::webPageLeft, rshift = st::msgPadding.right(), bshift = st::msgPadding.bottom();
	width -= lshift + rshift;
	QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());
	if (_asArticle || (_attach && _attach->customInfoLayout() && _attach->currentWidth() + _parent->skipBlockWidth() > width + bubble.left() + bubble.right())) {
		bshift += st::msgDateFont->height;
	}

	QRect bar(rtlrect(st::msgPadding.left(), 0, st::webPageBar, _height - bshift, _width));
	p.fillRect(bar, barfg);

	if (_asArticle) {
		_data->photo->medium->load(false, false);
		bool full = _data->photo->medium->loaded();
		QPixmap pix;
		int32 pw = qMax(_pixw, int16(_lineHeight)), ph = _pixh;
		int32 pixw = _pixw, pixh = articleThumbHeight(_data->photo, _pixw);
		int32 maxw = convertScale(_data->photo->medium->width()), maxh = convertScale(_data->photo->medium->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(ImageRoundRadius::Small, pixw, pixh, pw, ph);
		} else {
			pix = _data->photo->thumb->pixBlurredSingle(ImageRoundRadius::Small, pixw, pixh, pw, ph);
		}
		p.drawPixmapLeft(lshift + width - pw, 0, _width, pix);
		if (selected) {
			App::roundRect(p, rtlrect(lshift + width - pw, 0, pw, _pixh, _width), textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
		}
		width -= pw + st::webPagePhotoDelta;
	}
	int32 tshift = 0;
	if (_siteNameWidth) {
		p.setFont(st::webPageTitleFont);
		p.setPen(semibold);
		p.drawTextLeft(lshift, tshift, _width, (width >= _siteNameWidth) ? _data->siteName : st::webPageTitleFont->elided(_data->siteName, width));
		tshift += _lineHeight;
	}
	if (_titleLines) {
		p.setPen(st::black);
		int32 endskip = 0;
		if (_title.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_title.drawLeftElided(p, lshift, tshift, width, _width, _titleLines, style::al_left, 0, -1, endskip, false, selection);
		tshift += _titleLines * _lineHeight;
	}
	if (_descriptionLines) {
		p.setPen(st::black);
		int32 endskip = 0;
		if (_description.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_description.drawLeftElided(p, lshift, tshift, width, _width, _descriptionLines, style::al_left, 0, -1, endskip, false, toDescriptionSelection(selection));
		tshift += _descriptionLines * _lineHeight;
	}
	if (_attach) {
		if (tshift) tshift += st::webPagePhotoSkip;

		int32 attachLeft = lshift - bubble.left(), attachTop = tshift - bubble.top();
		if (rtl()) attachLeft = _width - attachLeft - _attach->currentWidth();

		p.save();
		p.translate(attachLeft, attachTop);

		auto attachSelection = selected ? FullSelection : TextSelection { 0, 0 };
		_attach->draw(p, r.translated(-attachLeft, -attachTop), attachSelection, ms);
		int32 pixwidth = _attach->currentWidth(), pixheight = _attach->height();

		if (_data->type == WebPageVideo && _attach->type() == MediaTypePhoto) {
			if (_data->siteName == qstr("YouTube")) {
				p.drawSprite(QPoint((pixwidth - st::youtubeIcon.pxWidth()) / 2, (pixheight - st::youtubeIcon.pxHeight()) / 2), st::youtubeIcon);
			} else {
				p.drawSprite(QPoint((pixwidth - st::videoIcon.pxWidth()) / 2, (pixheight - st::videoIcon.pxHeight()) / 2), st::videoIcon);
			}
			if (_durationWidth) {
				int32 dateX = pixwidth - _durationWidth - st::msgDateImgDelta - 2 * st::msgDateImgPadding.x();
				int32 dateY = pixheight - st::msgDateFont->height - 2 * st::msgDateImgPadding.y() - st::msgDateImgDelta;
				int32 dateW = pixwidth - dateX - st::msgDateImgDelta;
				int32 dateH = pixheight - dateY - st::msgDateImgDelta;

				App::roundRect(p, dateX, dateY, dateW, dateH, selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);

				p.setFont(st::msgDateFont);
				p.setPen(st::msgDateImgColor);
				p.drawTextLeft(dateX + st::msgDateImgPadding.x(), dateY + st::msgDateImgPadding.y(), pixwidth, _duration);
			}
		}

		p.restore();
	}
}

HistoryTextState HistoryWebPage::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;

	int32 lshift = st::msgPadding.left() + st::webPageLeft, rshift = st::msgPadding.right(), bshift = st::msgPadding.bottom();
	width -= lshift + rshift;
	QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());
	if (_asArticle || (_attach && _attach->customInfoLayout() && _attach->currentWidth() + _parent->skipBlockWidth() > width + bubble.left() + bubble.right())) {
		bshift += st::msgDateFont->height;
	}

	bool inThumb = false;
	if (_asArticle) {
		int32 pw = qMax(_pixw, int16(_lineHeight));
		if (rtlrect(lshift + width - pw, 0, pw, _pixh, _width).contains(x, y)) {
			inThumb = true;
		}
		width -= pw + st::webPagePhotoDelta;
	}
	int tshift = 0, symbolAdd = 0;
	if (_siteNameWidth) {
		tshift += _lineHeight;
	}
	if (_titleLines) {
		if (y >= tshift && y < tshift + _titleLines * _lineHeight) {
			Text::StateRequestElided titleRequest = request.forText();
			titleRequest.lines = _titleLines;
			result = _title.getStateElidedLeft(x - lshift, y - tshift, width, _width, titleRequest);
		} else if (y >= tshift + _titleLines * _lineHeight) {
			symbolAdd += _title.length();
		}
		tshift += _titleLines * _lineHeight;
	}
	if (_descriptionLines) {
		if (y >= tshift && y < tshift + _descriptionLines * _lineHeight) {
			Text::StateRequestElided descriptionRequest = request.forText();
			descriptionRequest.lines = _descriptionLines;
			result = _description.getStateElidedLeft(x - lshift, y - tshift, width, _width, descriptionRequest);
		} else if (y >= tshift + _descriptionLines * _lineHeight) {
			symbolAdd += _description.length();
		}
		tshift += _descriptionLines * _lineHeight;
	}
	if (inThumb) {
		result.link = _openl;
	} else if (_attach) {
		if (tshift) tshift += st::webPagePhotoSkip;

		if (x >= lshift && x < lshift + width && y >= tshift && y < _height - st::msgPadding.bottom()) {
			int32 attachLeft = lshift - bubble.left(), attachTop = tshift - bubble.top();
			if (rtl()) attachLeft = _width - attachLeft - _attach->currentWidth();
			result = _attach->getState(x - attachLeft, y - attachTop, request);

			if (result.link && !_data->document && _data->photo) {
				if (_data->type == WebPageProfile || _data->type == WebPageVideo) {
					result.link = _openl;
				} else if (_data->type == WebPagePhoto || _data->siteName == qstr("Twitter") || _data->siteName == qstr("Facebook")) {
					// leave photo link
				} else {
					result.link = _openl;
				}
			}
		}
	}

	result.symbol += symbolAdd;
	return result;
}

TextSelection HistoryWebPage::adjustSelection(TextSelection selection, TextSelectType type) const {
	if (!_descriptionLines || selection.to <= _title.length()) {
		return _title.adjustSelection(selection, type);
	}
	auto descriptionSelection = _description.adjustSelection(toDescriptionSelection(selection), type);
	if (selection.from >= _title.length()) {
		return fromDescriptionSelection(descriptionSelection);
	}
	auto titleSelection = _title.adjustSelection(selection, type);
	return { titleSelection.from, fromDescriptionSelection(descriptionSelection).to };
}

void HistoryWebPage::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
	if (_attach) {
		_attach->clickHandlerActiveChanged(p, active);
	}
}

void HistoryWebPage::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
	if (_attach) {
		_attach->clickHandlerPressedChanged(p, pressed);
	}
}

void HistoryWebPage::attachToParent() {
	App::regWebPageItem(_data, _parent);
	if (_attach) _attach->attachToParent();
}

void HistoryWebPage::detachFromParent() {
	App::unregWebPageItem(_data, _parent);
	if (_attach) _attach->detachFromParent();
}

TextWithEntities HistoryWebPage::selectedText(TextSelection selection) const {
	if (selection == FullSelection) {
		return TextWithEntities();
	}
	auto titleResult = _title.originalTextWithEntities(selection, ExpandLinksAll);
	auto descriptionResult = _description.originalTextWithEntities(toDescriptionSelection(selection), ExpandLinksAll);
	if (titleResult.text.isEmpty()) {
		return descriptionResult;
	} else if (descriptionResult.text.isEmpty()) {
		return titleResult;
	}

	titleResult.text += '\n';
	appendTextWithEntities(titleResult, std_::move(descriptionResult));
	return titleResult;
}

ImagePtr HistoryWebPage::replyPreview() {
	return _attach ? _attach->replyPreview() : (_data->photo ? _data->photo->makeReplyPreview() : ImagePtr());
}

HistoryGame::HistoryGame(HistoryItem *parent, GameData *data) : HistoryMedia(parent)
, _data(data)
, _title(st::msgMinWidth - st::webPageLeft)
, _description(st::msgMinWidth - st::webPageLeft) {
}

HistoryGame::HistoryGame(HistoryItem *parent, const HistoryGame &other) : HistoryMedia(parent)
, _data(other._data)
, _attach(other._attach ? other._attach->clone(parent) : nullptr)
, _title(other._title)
, _description(other._description) {
}

void HistoryGame::initDimensions() {
	if (!_lineHeight) _lineHeight = qMax(st::webPageTitleFont->height, st::webPageDescriptionFont->height);

	if (!_openl && !_data->url.isEmpty()) _openl.reset(new UrlClickHandler(_data->url, true));

	auto title = _data->title;

	// init attach
	if (!_attach) {
		if (_data->document) {
			if (_data->document->sticker()) {
				_attach = std_::make_unique<HistorySticker>(_parent, _data->document);
			} else if (_data->document->isAnimation()) {
				_attach = std_::make_unique<HistoryGif>(_parent, _data->document, QString());
			} else if (_data->document->isVideo()) {
				_attach = std_::make_unique<HistoryVideo>(_parent, _data->document, QString());
			} else {
				_attach = std_::make_unique<HistoryDocument>(_parent, _data->document, QString());
			}
		} else if (_data->photo) {
			_attach = std_::make_unique<HistoryPhoto>(_parent, _data->photo, QString());
		}
	}

	// init strings
	if (_description.isEmpty() && !_data->description.isEmpty()) {
		auto text = textClean(_data->description);
		if (text.isEmpty()) {
			_data->description = QString();
		} else {
			_description.setText(st::webPageDescriptionFont, text, _webpageDescriptionOptions);
		}
	}
	if (_title.isEmpty() && !title.isEmpty()) {
		title = textOneLine(textClean(title));
		if (title.isEmpty()) {
			_data->title = QString();
		} else {
			_title.setText(st::webPageTitleFont, title, _webpageTitleOptions);
		}
	}

	// init dimensions
	int32 l = st::msgPadding.left() + st::webPageLeft, r = st::msgPadding.right();
	int32 skipBlockWidth = _parent->skipBlockWidth();
	_maxw = skipBlockWidth;
	_minh = st::msgPadding.top();

	int32 titleMinHeight = _title.isEmpty() ? 0 : _lineHeight;
	int32 descMaxLines = (4 + (titleMinHeight ? 0 : 1));
	int32 descriptionMinHeight = _description.isEmpty() ? 0 : qMin(_description.minHeight(), descMaxLines * _lineHeight);

	if (!_title.isEmpty()) {
		_maxw = qMax(_maxw, int32(_title.maxWidth()));
		_minh += titleMinHeight;
	}
	if (!_description.isEmpty()) {
		_maxw = qMax(_maxw, int32(_description.maxWidth()));
		_minh += descriptionMinHeight;
	}
	if (_attach) {
		if (_minh) _minh += st::webPagePhotoSkip;
		_attach->initDimensions();
		QMargins bubble(_attach->bubbleMargins());
		_maxw = qMax(_maxw, int32(_attach->maxWidth() - bubble.left() - bubble.top()));
		_minh += _attach->minHeight() - bubble.top() - bubble.bottom();
	}
	_maxw += st::msgPadding.left() + st::webPageLeft + st::msgPadding.right();
}

int HistoryGame::resizeGetHeight(int width) {
	_width = qMin(width, _maxw);
	width -= st::msgPadding.left() + st::webPageLeft + st::msgPadding.right();

	int32 linesMax = 5;
	_height = st::msgPadding.top();
	if (_title.isEmpty()) {
		_titleLines = 0;
	} else {
		if (_title.countHeight(width) < 2 * st::webPageTitleFont->height) {
			_titleLines = 1;
		} else {
			_titleLines = 2;
		}
		_height += _titleLines * _lineHeight;
	}

	if (_description.isEmpty()) {
		_descriptionLines = 0;
	} else {
		int32 descriptionHeight = _description.countHeight(width);
		if (descriptionHeight < (linesMax - _titleLines) * st::webPageDescriptionFont->height) {
			_descriptionLines = (descriptionHeight / st::webPageDescriptionFont->height);
		} else {
			_descriptionLines = (linesMax - _titleLines);
		}
		_height += _descriptionLines * _lineHeight;
	}

	if (_attach) {
		if (_height) _height += st::webPagePhotoSkip;

		QMargins bubble(_attach->bubbleMargins());

		_attach->resizeGetHeight(width + bubble.left() + bubble.right());
		_height += _attach->height() - bubble.top() - bubble.bottom();
	}

	return _height;
}

void HistoryGame::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	int32 width = _width, height = _height;

	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;
	bool selected = (selection == FullSelection);

	style::color barfg = (selected ? (outbg ? st::msgOutReplyBarSelColor : st::msgInReplyBarSelColor) : (outbg ? st::msgOutReplyBarColor : st::msgInReplyBarColor));
	style::color semibold = (selected ? (outbg ? st::msgOutServiceFgSelected : st::msgInServiceFgSelected) : (outbg ? st::msgOutServiceFg : st::msgInServiceFg));
	style::color regular = (selected ? (outbg ? st::msgOutDateFgSelected : st::msgInDateFgSelected) : (outbg ? st::msgOutDateFg : st::msgInDateFg));

	int32 lshift = st::msgPadding.left() + st::webPageLeft, rshift = st::msgPadding.right(), bshift = 0;
	width -= lshift + rshift;
	QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());

	QRect bar(rtlrect(st::msgPadding.left(), st::msgPadding.top(), st::webPageBar, _height - bshift, _width));
	p.fillRect(bar, barfg);

	int32 tshift = st::msgPadding.top();
	if (_titleLines) {
		p.setPen(st::black);
		int32 endskip = 0;
		if (_title.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_title.drawLeftElided(p, lshift, tshift, width, _width, _titleLines, style::al_left, 0, -1, endskip, false, selection);
		tshift += _titleLines * _lineHeight;
	}
	if (_descriptionLines) {
		p.setPen(st::black);
		int32 endskip = 0;
		if (_description.hasSkipBlock()) {
			endskip = _parent->skipBlockWidth();
		}
		_description.drawLeftElided(p, lshift, tshift, width, _width, _descriptionLines, style::al_left, 0, -1, endskip, false, toDescriptionSelection(selection));
		tshift += _descriptionLines * _lineHeight;
	}
	if (_attach) {
		if (tshift) tshift += st::webPagePhotoSkip;

		int32 attachLeft = lshift - bubble.left(), attachTop = tshift - bubble.top();
		if (rtl()) attachLeft = _width - attachLeft - _attach->currentWidth();

		auto attachSelection = selected ? FullSelection : TextSelection { 0, 0 };

		p.translate(attachLeft, attachTop);
		_attach->draw(p, r.translated(-attachLeft, -attachTop), attachSelection, ms);
		p.translate(-attachLeft, -attachTop);
	}
}

HistoryTextState HistoryGame::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;
	int32 width = _width, height = _height;

	int32 lshift = st::msgPadding.left() + st::webPageLeft, rshift = st::msgPadding.right(), bshift = 0;
	width -= lshift + rshift;
	QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());

	bool inThumb = false;
	int tshift = st::msgPadding.top(), symbolAdd = 0;
	if (_titleLines) {
		if (y >= tshift && y < tshift + _titleLines * _lineHeight) {
			Text::StateRequestElided titleRequest = request.forText();
			titleRequest.lines = _titleLines;
			result = _title.getStateElidedLeft(x - lshift, y - tshift, width, _width, titleRequest);
		} else if (y >= tshift + _titleLines * _lineHeight) {
			symbolAdd += _title.length();
		}
		tshift += _titleLines * _lineHeight;
	}
	if (_descriptionLines) {
		if (y >= tshift && y < tshift + _descriptionLines * _lineHeight) {
			Text::StateRequestElided descriptionRequest = request.forText();
			descriptionRequest.lines = _descriptionLines;
			result = _description.getStateElidedLeft(x - lshift, y - tshift, width, _width, descriptionRequest);
		} else if (y >= tshift + _descriptionLines * _lineHeight) {
			symbolAdd += _description.length();
		}
		tshift += _descriptionLines * _lineHeight;
	}
	if (inThumb) {
		result.link = _openl;
	} else if (_attach) {
		if (tshift) tshift += st::webPagePhotoSkip;

		if (x >= lshift && x < lshift + width && y >= tshift && y < _height) {
			result.link = _openl;
		}
	}

	result.symbol += symbolAdd;
	return result;
}

TextSelection HistoryGame::adjustSelection(TextSelection selection, TextSelectType type) const {
	if (!_descriptionLines || selection.to <= _title.length()) {
		return _title.adjustSelection(selection, type);
	}
	auto descriptionSelection = _description.adjustSelection(toDescriptionSelection(selection), type);
	if (selection.from >= _title.length()) {
		return fromDescriptionSelection(descriptionSelection);
	}
	auto titleSelection = _title.adjustSelection(selection, type);
	return { titleSelection.from, fromDescriptionSelection(descriptionSelection).to };
}

void HistoryGame::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
	if (_attach) {
		_attach->clickHandlerActiveChanged(p, active);
	}
}

void HistoryGame::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
	if (_attach) {
		_attach->clickHandlerPressedChanged(p, pressed);
	}
}

void HistoryGame::attachToParent() {
	App::regGameItem(_data, _parent);
	if (_attach) _attach->attachToParent();
}

void HistoryGame::detachFromParent() {
	App::unregGameItem(_data, _parent);
	if (_attach) _attach->detachFromParent();
}

TextWithEntities HistoryGame::selectedText(TextSelection selection) const {
	if (selection == FullSelection) {
		return TextWithEntities();
	}
	auto titleResult = _title.originalTextWithEntities(selection, ExpandLinksAll);
	auto descriptionResult = _description.originalTextWithEntities(toDescriptionSelection(selection), ExpandLinksAll);
	if (titleResult.text.isEmpty()) {
		return descriptionResult;
	} else if (descriptionResult.text.isEmpty()) {
		return titleResult;
	}

	titleResult.text += '\n';
	appendTextWithEntities(titleResult, std_::move(descriptionResult));
	return titleResult;
}

ImagePtr HistoryGame::replyPreview() {
	return _attach ? _attach->replyPreview() : (_data->photo ? _data->photo->makeReplyPreview() : ImagePtr());
}

HistoryLocation::HistoryLocation(HistoryItem *parent, const LocationCoords &coords, const QString &title, const QString &description) : HistoryMedia(parent)
, _data(App::location(coords))
, _title(st::msgMinWidth)
, _description(st::msgMinWidth)
, _link(new LocationClickHandler(coords)) {
	if (!title.isEmpty()) {
		_title.setText(st::webPageTitleFont, textClean(title), _webpageTitleOptions);
	}
	if (!description.isEmpty()) {
		_description.setText(st::webPageDescriptionFont, textClean(description), _webpageDescriptionOptions);
	}
}

HistoryLocation::HistoryLocation(HistoryItem *parent, const HistoryLocation &other) : HistoryMedia(parent)
, _data(other._data)
, _title(other._title)
, _description(other._description)
, _link(new LocationClickHandler(_data->coords)) {
}

void HistoryLocation::initDimensions() {
	bool bubble = _parent->hasBubble();

	int32 tw = fullWidth(), th = fullHeight();
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	int32 minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	_maxw = qMax(tw, int32(minWidth));
	_minh = qMax(th, int32(st::minPhotoSize));

	if (bubble) {
		_maxw += st::mediaPadding.left() + st::mediaPadding.right();
		if (!_title.isEmpty()) {
			_minh += qMin(_title.countHeight(_maxw - st::msgPadding.left() - st::msgPadding.right()), 2 * st::webPageTitleFont->height);
		}
		if (!_description.isEmpty()) {
			_maxw = qMax(_maxw, int32(st::msgPadding.left() + _description.maxWidth() + st::msgPadding.right()));
			_minh += qMin(_description.countHeight(_maxw - st::msgPadding.left() - st::msgPadding.right()), 3 * st::webPageDescriptionFont->height);
		}
		_minh += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_title.isEmpty() || !_description.isEmpty()) {
			_minh += st::webPagePhotoSkip;
			if (!_parent->Has<HistoryMessageForwarded>() && !_parent->Has<HistoryMessageReply>()) {
				_minh += st::msgPadding.top();
			}
		}
	}
}

int HistoryLocation::resizeGetHeight(int width) {
	bool bubble = _parent->hasBubble();

	_width = qMin(width, _maxw);
	if (bubble) {
		_width -= st::mediaPadding.left() + st::mediaPadding.right();
	}

	int32 tw = fullWidth(), th = fullHeight();
	if (tw > st::maxMediaSize) {
		th = (st::maxMediaSize * th) / tw;
		tw = st::maxMediaSize;
	}
	_height = th;
	if (tw > _width) {
		_height = (_width * _height / tw);
	} else {
		_width = tw;
	}
	int32 minWidth = qMax(st::minPhotoSize, _parent->infoWidth() + 2 * (st::msgDateImgDelta + st::msgDateImgPadding.x()));
	_width = qMax(_width, int32(minWidth));
	_height = qMax(_height, int32(st::minPhotoSize));
	if (bubble) {
		_width += st::mediaPadding.left() + st::mediaPadding.right();
		_height += st::mediaPadding.top() + st::mediaPadding.bottom();
		if (!_title.isEmpty()) {
			_height += qMin(_title.countHeight(_width - st::msgPadding.left() - st::msgPadding.right()), st::webPageTitleFont->height * 2);
		}
		if (!_description.isEmpty()) {
			_height += qMin(_description.countHeight(_width - st::msgPadding.left() - st::msgPadding.right()), st::webPageDescriptionFont->height * 3);
		}
		if (!_title.isEmpty() || !_description.isEmpty()) {
			_height += st::webPagePhotoSkip;
			if (!_parent->Has<HistoryMessageForwarded>() && !_parent->Has<HistoryMessageReply>()) {
				_height += st::msgPadding.top();
			}
		}
	}
	return _height;
}

void HistoryLocation::draw(Painter &p, const QRect &r, TextSelection selection, uint64 ms) const {
	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();
	bool out = _parent->out(), isPost = _parent->isPost(), outbg = out && !isPost;
	bool selected = (selection == FullSelection);

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();

		if (!_title.isEmpty() || !_description.isEmpty()) {
			if (!_parent->Has<HistoryMessageForwarded>() && !_parent->Has<HistoryMessageReply>()) {
				skipy += st::msgPadding.top();
			}
		}

		width -= st::mediaPadding.left() + st::mediaPadding.right();
		int32 textw = _width - st::msgPadding.left() - st::msgPadding.right();

		p.setPen(st::black);
		if (!_title.isEmpty()) {
			_title.drawLeftElided(p, skipx + st::msgPadding.left(), skipy, textw, _width, 2, style::al_left, 0, -1, 0, false, selection);
			skipy += qMin(_title.countHeight(textw), 2 * st::webPageTitleFont->height);
		}
		if (!_description.isEmpty()) {
			_description.drawLeftElided(p, skipx + st::msgPadding.left(), skipy, textw, _width, 3, style::al_left, 0, -1, 0, false, toDescriptionSelection(selection));
			skipy += qMin(_description.countHeight(textw), 3 * st::webPageDescriptionFont->height);
		}
		if (!_title.isEmpty() || !_description.isEmpty()) {
			skipy += st::webPagePhotoSkip;
		}
		height -= skipy + st::mediaPadding.bottom();
	} else {
		App::roundShadow(p, 0, 0, width, height, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
	}

	_data->load();
	QPixmap toDraw;
	if (_data && !_data->thumb->isNull()) {
		int32 w = _data->thumb->width(), h = _data->thumb->height();
		QPixmap pix;
		if (width * h == height * w || (w == fullWidth() && h == fullHeight())) {
			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, width, height, width, height);
		} else if (width * h > height * w) {
			int32 nw = height * w / h;
			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, nw, height, width, height);
		} else {
			int32 nh = width * h / w;
			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, width, nh, width, height);
		}
		p.drawPixmap(QPoint(skipx, skipy), pix);
	} else {
		App::roundRect(p, skipx, skipy, width, height, st::white, MessageInCorners);
	}
	if (selected) {
		App::roundRect(p, skipx, skipy, width, height, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
	}

	if (_parent->getMedia() == this) {
		int32 fullRight = skipx + width, fullBottom = _height - (skipx ? st::mediaPadding.bottom() : 0);
		_parent->drawInfo(p, fullRight, fullBottom, skipx * 2 + width, selected, InfoDisplayOverImage);
	}
}

HistoryTextState HistoryLocation::getState(int x, int y, HistoryStateRequest request) const {
	HistoryTextState result;
	auto symbolAdd = 0;

	if (_width < st::msgPadding.left() + st::msgPadding.right() + 1) return result;
	int32 skipx = 0, skipy = 0, width = _width, height = _height;
	bool bubble = _parent->hasBubble();

	if (bubble) {
		skipx = st::mediaPadding.left();
		skipy = st::mediaPadding.top();

		if (!_title.isEmpty() || !_description.isEmpty()) {
			if (!_parent->Has<HistoryMessageForwarded>() && !_parent->Has<HistoryMessageReply>()) {
				skipy += st::msgPadding.top();
			}
		}

		width -= st::mediaPadding.left() + st::mediaPadding.right();
		int32 textw = _width - st::msgPadding.left() - st::msgPadding.right();

		if (!_title.isEmpty()) {
			auto titleh = qMin(_title.countHeight(textw), 2 * st::webPageTitleFont->height);
			if (y >= skipy && y < skipy + titleh) {
				result = _title.getStateLeft(x - skipx - st::msgPadding.left(), y - skipy, textw, _width, request.forText());
				return result;
			} else if (y >= skipy + titleh) {
				symbolAdd += _title.length();
			}
			skipy += titleh;
		}
		if (!_description.isEmpty()) {
			auto descriptionh = qMin(_description.countHeight(textw), 3 * st::webPageDescriptionFont->height);
			if (y >= skipy && y < skipy + descriptionh) {
				result = _description.getStateLeft(x - skipx - st::msgPadding.left(), y - skipy, textw, _width, request.forText());
			} else if (y >= skipy + descriptionh) {
				symbolAdd += _description.length();
			}
			skipy += descriptionh;
		}
		if (!_title.isEmpty() || !_description.isEmpty()) {
			skipy += st::webPagePhotoSkip;
		}
		height -= skipy + st::mediaPadding.bottom();
	}
	if (x >= skipx && y >= skipy && x < skipx + width && y < skipy + height && _data) {
		result.link = _link;

		int32 fullRight = skipx + width, fullBottom = _height - (skipx ? st::mediaPadding.bottom() : 0);
		bool inDate = _parent->pointInTime(fullRight, fullBottom, x, y, InfoDisplayOverImage);
		if (inDate) {
			result.cursor = HistoryInDateCursorState;
		}
	}
	result.symbol += symbolAdd;
	return result;
}

TextSelection HistoryLocation::adjustSelection(TextSelection selection, TextSelectType type) const {
	if (_description.isEmpty() || selection.to <= _title.length()) {
		return _title.adjustSelection(selection, type);
	}
	auto descriptionSelection = _description.adjustSelection(toDescriptionSelection(selection), type);
	if (selection.from >= _title.length()) {
		return fromDescriptionSelection(descriptionSelection);
	}
	auto titleSelection = _title.adjustSelection(selection, type);
	return { titleSelection.from, fromDescriptionSelection(descriptionSelection).to };
}

QString HistoryLocation::notificationText() const {
	return captionedNotificationText(lang(lng_maps_point), _title);
}

QString HistoryLocation::inDialogsText() const {
	return captionedInDialogsText(lang(lng_maps_point), _title);
}

TextWithEntities HistoryLocation::selectedText(TextSelection selection) const {
	if (selection == FullSelection) {
		TextWithEntities result = { qsl("[ ") + lang(lng_maps_point) + qsl(" ]\n"), EntitiesInText() };
		auto info = selectedText(AllTextSelection);
		if (!info.text.isEmpty()) {
			appendTextWithEntities(result, std_::move(info));
			result.text.append('\n');
		}
		result.text += _link->dragText();
		return result;
	}

	auto titleResult = _title.originalTextWithEntities(selection);
	auto descriptionResult = _description.originalTextWithEntities(toDescriptionSelection(selection));
	if (titleResult.text.isEmpty()) {
		return descriptionResult;
	} else if (descriptionResult.text.isEmpty()) {
		return titleResult;
	}
	titleResult.text += '\n';
	appendTextWithEntities(titleResult, std_::move(descriptionResult));
	return titleResult;
}

int32 HistoryLocation::fullWidth() const {
	return st::locationSize.width();
}

int32 HistoryLocation::fullHeight() const {
	return st::locationSize.height();
}