Stop GIFs that are far away from the screen.

Telegram/SourceFiles/data/data_session.cpp

@@ -1389,9 +1389,10 @@ void Session::unloadHeavyViewParts(
 	if (_heavyViewParts.empty()) {
 		return;
 	}
-	const auto remove = ranges::count(_heavyViewParts, delegate, [](not_null<ViewElement*> element) {
-		return element->delegate();
-	});
+	const auto remove = ranges::count(
+		_heavyViewParts,
+		delegate,
+		[](not_null<ViewElement*> element) { return element->delegate(); });
 	if (remove == _heavyViewParts.size()) {
 		for (const auto view : base::take(_heavyViewParts)) {
 			view->unloadHeavyPart();
@@ -3225,10 +3226,12 @@ void Session::unregisterContactItem(
 
 void Session::registerPlayingVideoFile(not_null<ViewElement*> view) {
 	_playingVideoFiles.emplace(view);
+	registerHeavyViewPart(view);
 }
 
 void Session::unregisterPlayingVideoFile(not_null<ViewElement*> view) {
 	_playingVideoFiles.remove(view);
+	unregisterHeavyViewPart(view);
 }
 
 void Session::stopPlayingVideoFiles() {

Telegram/SourceFiles/history/view/media/history_view_gif.cpp

@@ -369,10 +369,11 @@ void Gif::draw(Painter &p, const QRect &r, TextSelection selection, crl::time ms
 	}
 
 	if (radial
-		|| (!streamed
-			&& !startPlayAsync
-			&& ((_streamed && _streamed->player().failed())
-				|| (!_data->loaded() && !_data->loading())
+		|| (!startPlayAsync
+			&& (!_streamed
+				|| _streamed->waitingShown()
+				|| _streamed->player().failed())
+			&& ((!_data->loaded() && !_data->loading())
 				|| !autoplayEnabled()))) {
 		auto radialOpacity = (radial && _data->loaded() && item->id > 0)
 			? _animation->radial.opacity()

Telegram/SourceFiles/history/view/media/history_view_gif.h

@@ -80,6 +80,10 @@ public:
 
 	void parentTextUpdated() override;
 
+	void unloadHeavyPart() override {
+		stopAnimation();
+	}
+
 private:
 	float64 dataProgress() const override;
 	bool dataFinished() const override;