Fix toast hiding on jump to Saved Messages.

Telegram/SourceFiles/history/history_widget.cpp

@@ -3977,6 +3977,7 @@ void HistoryWidget::showAnimated(
 	}
 	_topShadow->setVisible(params.withTopBarShadow ? false : true);
 	_preserveScrollTop = false;
+	_stickerToast = nullptr;
 
 	_cacheOver = controller()->content()->grabForShowAnimation(params);
 

Telegram/SourceFiles/history/view/history_view_sticker_toast.cpp

@@ -42,6 +42,12 @@ StickerToast::StickerToast(
 
 StickerToast::~StickerToast() {
 	cancelRequest();
+	_hiding.push_back(_weak);
+	for (const auto &weak : base::take(_hiding)) {
+		if (const auto strong = weak.get()) {
+			delete strong->widget();
+		}
+	}
 }
 
 void StickerToast::showFor(not_null<DocumentData*> document) {
@@ -143,6 +149,12 @@ void StickerToast::showWithTitle(const QString &title) {
 	_st.padding.setLeft(skip + size + skip);
 	_st.padding.setRight(st::historyPremiumViewSet.font->width(view)
 		- st::historyPremiumViewSet.width);
+
+	clearHiddenHiding();
+	if (_weak.get()) {
+		_hiding.push_back(_weak);
+	}
+
 	_weak = Ui::Toast::Show(_parent, Ui::Toast::Config{
 		.text = text,
 		.st = &_st,
@@ -226,6 +238,15 @@ void StickerToast::showWithTitle(const QString &title) {
 	});
 }
 
+void StickerToast::clearHiddenHiding() {
+	_hiding.erase(
+		ranges::remove(
+			_hiding,
+			nullptr,
+			&base::weak_ptr<Ui::Toast::Instance>::get),
+		end(_hiding));
+}
+
 void StickerToast::setupEmojiPreview(
 		not_null<Ui::RpWidget*> widget,
 		int size) {

Telegram/SourceFiles/history/view/history_view_sticker_toast.h

@@ -42,11 +42,13 @@ private:
 
 	void setupEmojiPreview(not_null<Ui::RpWidget*> widget, int size);
 	void setupLottiePreview(not_null<Ui::RpWidget*> widget, int size);
+	void clearHiddenHiding();
 
 	const not_null<Window::SessionController*> _controller;
 	const not_null<QWidget*> _parent;
 	style::Toast _st;
 	base::weak_ptr<Ui::Toast::Instance> _weak;
+	std::vector<base::weak_ptr<Ui::Toast::Instance>> _hiding;
 	DocumentData *_for = nullptr;
 	Fn<void()> _destroy;