Add poll vote sending animation.

Telegram/SourceFiles/apiwrap.cpp

@@ -5360,10 +5360,26 @@ void ApiWrap::sendPollVotes(
 		return;
 	}
 	const auto item = App::histItemById(itemId);
+	const auto media = item ? item->media() : nullptr;
+	const auto poll = media ? media->poll() : nullptr;
 	if (!item) {
 		return;
 	}
 
+	const auto showSending = poll && !options.empty();
+	const auto hideSending = [=] {
+		if (showSending) {
+			if (const auto item = App::histItemById(itemId)) {
+				poll->sendingVote = QByteArray();
+				_session->data().requestItemRepaint(item);
+			}
+		}
+	};
+	if (showSending) {
+		poll->sendingVote = options.front();
+		_session->data().requestItemRepaint(item);
+	}
+
 	auto prepared = QVector<MTPbytes>();
 	prepared.reserve(options.size());
 	ranges::transform(
@@ -5376,9 +5392,11 @@ void ApiWrap::sendPollVotes(
 		MTP_vector<MTPbytes>(prepared)
 	)).done([=](const MTPUpdates &result) {
 		_pollVotesRequestIds.erase(itemId);
+		hideSending();
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
 		_pollVotesRequestIds.erase(itemId);
+		hideSending();
 	}).send();
 	_pollVotesRequestIds.emplace(itemId, requestId);
 }

Telegram/SourceFiles/data/data_poll.h

@@ -39,6 +39,7 @@ struct PollData {
 	std::vector<PollAnswer> answers;
 	int totalVoters = 0;
 	bool closed = false;
+	QByteArray sendingVote;
 
 	int version = 0;
 

Telegram/SourceFiles/history/history.style

@@ -525,6 +525,10 @@ historyPollRadio: Radio(defaultRadio) {
 historyPollRadioOpacity: 0.7;
 historyPollRadioOpacityOver: 1.;
 historyPollDuration: 300;
+historyPollRadialAnimation: InfiniteRadialAnimation(defaultInfiniteRadialAnimation) {
+	thickness: 2px;
+	size: size(18px, 18px);
+}
 
 boxAttachEmoji: IconButton(historyAttachEmoji) {
 	width: 30px;

Telegram/SourceFiles/history/media/history_media_poll.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/history_view_cursor_state.h"
 #include "calls/calls_instance.h"
 #include "ui/text_options.h"
+#include "ui/effects/radial_animation.h"
 #include "data/data_media_types.h"
 #include "data/data_poll.h"
 #include "data/data_session.h"
@@ -61,6 +62,48 @@ FormattedLargeNumber FormatLargeNumber(int64 number) {
 
 } // namespace
 
+struct HistoryPoll::AnswerAnimation {
+	anim::value percent;
+	anim::value filling;
+	anim::value opacity;
+};
+
+struct HistoryPoll::AnswersAnimation {
+	std::vector<AnswerAnimation> data;
+	Animation progress;
+};
+
+struct HistoryPoll::SendingAnimation {
+	SendingAnimation(
+		const QByteArray &option,
+		AnimationCallbacks &&callbacks);
+
+	QByteArray option;
+	Ui::InfiniteRadialAnimation animation;
+};
+
+struct HistoryPoll::Answer {
+	Answer();
+
+	void fillText(const PollAnswer &original);
+
+	Text text;
+	QByteArray option;
+	mutable int votes = 0;
+	mutable int votesPercentWidth = 0;
+	mutable float64 filling = 0.;
+	mutable QString votesPercent;
+	mutable bool chosen = false;
+	ClickHandlerPtr handler;
+};
+
+HistoryPoll::SendingAnimation::SendingAnimation(
+	const QByteArray &option,
+	AnimationCallbacks &&callbacks)
+: option(option)
+, animation(std::move(callbacks), st::historyPollRadialAnimation) {
+}
+
 HistoryPoll::Answer::Answer() : text(st::msgMinWidth / 2) {
 }
 
@@ -187,7 +230,7 @@ void HistoryPoll::updateTexts() {
 	updateVotes();
 
 	if (willStartAnimation) {
-		startAnimation();
+		startAnswersAnimation();
 	}
 }
 
@@ -218,7 +261,7 @@ void HistoryPoll::updateAnswers() {
 		answer.handler = createAnswerClickHandler(answer);
 	}
 
-	_answersAnimation = nullptr;
+	resetAnswersAnimation();
 }
 
 ClickHandlerPtr HistoryPoll::createAnswerClickHandler(
@@ -236,12 +279,32 @@ void HistoryPoll::updateVotes() const {
 	updateTotalVotes();
 }
 
-void HistoryPoll::updateVotesCheckAnimation() const {
+void HistoryPoll::updateVotesCheckAnimations() const {
 	const auto willStartAnimation = checkAnimationStart();
 	updateVotes();
 	if (willStartAnimation) {
-		startAnimation();
+		startAnswersAnimation();
 	}
+
+	const auto &sending = _poll->sendingVote;
+	if (sending.isEmpty() == !_sendingAnimation) {
+		if (_sendingAnimation) {
+			_sendingAnimation->option = sending;
+		}
+		return;
+	}
+	if (sending.isEmpty()) {
+		if (!_answersAnimation) {
+			_sendingAnimation = nullptr;
+		}
+		return;
+	}
+	_sendingAnimation = std::make_unique<SendingAnimation>(
+		sending,
+		animation(
+			const_cast<HistoryPoll*>(this),
+			&HistoryPoll::step_radial));
+	_sendingAnimation->animation.start();
 }
 
 void HistoryPoll::updateTotalVotes() const {
@@ -307,7 +370,7 @@ void HistoryPoll::draw(Painter &p, const QRect &r, TextSelection selection, Time
 	if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;
 	auto paintx = 0, painty = 0, paintw = width(), painth = height();
 
-	updateVotesCheckAnimation();
+	updateVotesCheckAnimations();
 
 	const auto outbg = _parent->hasOutLayout();
 	const auto selected = (selection == FullSelection);
@@ -332,7 +395,7 @@ void HistoryPoll::draw(Painter &p, const QRect &r, TextSelection selection, Time
 		? _answersAnimation->progress.current(ms, 1.)
 		: 1.;
 	if (progress == 1.) {
-		_answersAnimation = nullptr;
+		resetAnswersAnimation();
 	}
 
 	auto &&answers = ranges::view::zip(
@@ -366,6 +429,19 @@ void HistoryPoll::draw(Painter &p, const QRect &r, TextSelection selection, Time
 	}
 }
 
+void HistoryPoll::resetAnswersAnimation() const {
+	_answersAnimation = nullptr;
+	if (_poll->sendingVote.isEmpty()) {
+		_sendingAnimation = nullptr;
+	}
+}
+
+void HistoryPoll::step_radial(TimeMs ms, bool timer) {
+	if (timer && !anim::Disabled()) {
+		Auth().data().requestViewRepaint(_parent);
+	}
+}
+
 int HistoryPoll::paintAnswer(
 		Painter &p,
 		const Answer &answer,
@@ -457,13 +533,34 @@ void HistoryPoll::paintRadio(
 	const auto &st = st::historyPollRadio;
 	const auto over = ClickHandler::showAsActive(answer.handler);
 	const auto &regular = selected ? (outbg ? st::msgOutDateFgSelected : st::msgInDateFgSelected) : (outbg ? st::msgOutDateFg : st::msgInDateFg);
-	auto pen = regular->p;
-	pen.setWidth(st.thickness);
-	p.setPen(pen);
+
 	p.setBrush(Qt::NoBrush);
 	const auto o = p.opacity();
 	p.setOpacity(o * (over ? st::historyPollRadioOpacityOver : st::historyPollRadioOpacity));
-	p.drawEllipse(QRectF(left, top, st.diameter, st.diameter).marginsRemoved(QMarginsF(st.thickness / 2., st.thickness / 2., st.thickness / 2., st.thickness / 2.)));
+
+	const auto rect = QRectF(left, top, st.diameter, st.diameter).marginsRemoved(QMarginsF(st.thickness / 2., st.thickness / 2., st.thickness / 2., st.thickness / 2.));
+	if (_sendingAnimation && _sendingAnimation->option == answer.option) {
+		const auto &active = selected ? (outbg ? st::msgOutServiceFgSelected : st::msgInServiceFgSelected) : (outbg ? st::msgOutServiceFg : st::msgInServiceFg);
+		if (anim::Disabled()) {
+			anim::DrawStaticLoading(p, rect, st.thickness, active);
+		} else {
+			const auto state = _sendingAnimation->animation.computeState();
+			auto pen = anim::pen(regular, active, state.shown);
+			pen.setWidth(st.thickness);
+			pen.setCapStyle(Qt::RoundCap);
+			p.setPen(pen);
+			p.drawArc(
+				rect,
+				state.arcFrom,
+				state.arcLength);
+		}
+	} else {
+		auto pen = regular->p;
+		pen.setWidth(st.thickness);
+		p.setPen(pen);
+		p.drawEllipse(rect);
+	}
+
 	p.setOpacity(o);
 }
 
@@ -564,7 +661,7 @@ bool HistoryPoll::checkAnimationStart() const {
 	return result;
 }
 
-void HistoryPoll::startAnimation() const {
+void HistoryPoll::startAnswersAnimation() const {
 	if (!_answersAnimation) {
 		return;
 	}
@@ -587,7 +684,7 @@ void HistoryPoll::startAnimation() const {
 
 TextState HistoryPoll::textState(QPoint point, StateRequest request) const {
 	auto result = TextState(_parent);
-	if (!canVote()) {
+	if (!canVote() || !_poll->sendingVote.isEmpty()) {
 		return result;
 	}
 

Telegram/SourceFiles/history/media/history_media_poll.h

@@ -37,31 +37,10 @@ public:
 	~HistoryPoll();
 
 private:
-	struct AnswerAnimation {
-		anim::value percent;
-		anim::value filling;
-		anim::value opacity;
-	};
-
-	struct AnswersAnimation {
-		std::vector<AnswerAnimation> data;
-		Animation progress;
-	};
-
-	struct Answer {
-		Answer();
-
-		void fillText(const PollAnswer &original);
-
-		Text text;
-		QByteArray option;
-		mutable int votes = 0;
-		mutable int votesPercentWidth = 0;
-		mutable float64 filling = 0.;
-		mutable QString votesPercent;
-		mutable bool chosen = false;
-		ClickHandlerPtr handler;
-	};
+	struct AnswerAnimation;
+	struct AnswersAnimation;
+	struct SendingAnimation;
+	struct Answer;
 
 	QSize countOptimalSize() override;
 	QSize countCurrentSize(int newWidth) override;
@@ -81,7 +60,7 @@ private:
 		const PollAnswer &original,
 		int totalVotes,
 		int maxVotes) const;
-	void updateVotesCheckAnimation() const;
+	void updateVotesCheckAnimations() const;
 
 	int paintAnswer(
 		Painter &p,
@@ -119,7 +98,9 @@ private:
 	bool checkAnimationStart() const;
 	bool answerVotesChanged() const;
 	void saveStateInAnimation() const;
-	void startAnimation() const;
+	void startAnswersAnimation() const;
+	void resetAnswersAnimation() const;
+	void step_radial(TimeMs ms, bool timer);
 
 	not_null<PollData*> _poll;
 	int _pollVersion = 0;
@@ -133,5 +114,6 @@ private:
 	mutable Text _totalVotesLabel;
 
 	mutable std::unique_ptr<AnswersAnimation> _answersAnimation;
+	mutable std::unique_ptr<SendingAnimation> _sendingAnimation;
 
 };