Fixed simple animation of message sending with custom chat themes.

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -838,6 +838,19 @@ void HistoryInner::paintEmpty(
 	_emptyPainter->paint(p, st, width, height);
 }
 
+Ui::ChatPaintContext HistoryInner::preparePaintContext(
+		const QRect &clip) const {
+	const auto visibleAreaTopGlobal = mapToGlobal(
+		QPoint(0, _visibleAreaTop)).y();
+	return _controller->preparePaintContext({
+		.theme = _theme.get(),
+		.visibleAreaTop = _visibleAreaTop,
+		.visibleAreaTopGlobal = visibleAreaTopGlobal,
+		.visibleAreaWidth = width(),
+		.clip = clip,
+	});
+}
+
 void HistoryInner::paintEvent(QPaintEvent *e) {
 	if (Ui::skipPaintEvent(this, e)) {
 		return;
@@ -852,15 +865,7 @@ void HistoryInner::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 	auto clip = e->rect();
 
-	const auto visibleAreaTopGlobal = mapToGlobal(
-		QPoint(0, _visibleAreaTop)).y();
-	auto context = _controller->preparePaintContext({
-		.theme = _theme.get(),
-		.visibleAreaTop = _visibleAreaTop,
-		.visibleAreaTopGlobal = visibleAreaTopGlobal,
-		.visibleAreaWidth = width(),
-		.clip = clip,
-	});
+	auto context = preparePaintContext(clip);
 	_pathGradient->startFrame(
 		0,
 		width(),

Telegram/SourceFiles/history/history_inner_widget.h

@@ -44,6 +44,7 @@ class ChatTheme;
 class ChatStyle;
 class PopupMenu;
 enum class ReportReason;
+struct ChatPaintContext;
 class PathShiftGradient;
 } // namespace Ui
 
@@ -89,6 +90,8 @@ public:
 		return _theme.get();
 	}
 
+	Ui::ChatPaintContext preparePaintContext(const QRect &clip) const;
+
 	void messagesReceived(PeerData *peer, const QVector<MTPMessage> &messages);
 	void messagesReceivedDown(PeerData *peer, const QVector<MTPMessage> &messages);
 

Telegram/SourceFiles/history/history_widget.cpp

@@ -5413,7 +5413,7 @@ void HistoryWidget::startMessageSendingAnimation(
 	sendingAnimation.startAnimation({
 		.globalEndGeometry = std::move(globalEndGeometry),
 		.view = [=] { return item->mainView(); },
-		.theme = _list->theme(),
+		.paintContext = [=] { return _list->preparePaintContext({}); },
 	});
 }
 

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -1595,7 +1595,7 @@ void ListWidget::startMessageSendingAnimation(
 	sendingAnimation.startAnimation({
 		.globalEndGeometry = std::move(globalEndGeometry),
 		.view = [=] { return viewForItem(item); },
-		.theme = _delegate->listChatTheme(),
+		.paintContext = [=] { return preparePaintContext({}); },
 	});
 }
 
@@ -1733,6 +1733,17 @@ TextSelection ListWidget::itemRenderSelection(
 	return TextSelection();
 }
 
+Ui::ChatPaintContext ListWidget::preparePaintContext(
+		const QRect &clip) const {
+	return controller()->preparePaintContext({
+		.theme = _delegate->listChatTheme(),
+		.visibleAreaTop = _visibleTop,
+		.visibleAreaTopGlobal = mapToGlobal(QPoint(0, _visibleTop)).y(),
+		.visibleAreaWidth = width(),
+		.clip = clip,
+	});
+}
+
 void ListWidget::paintEvent(QPaintEvent *e) {
 	if (Ui::skipPaintEvent(this, e)) {
 		return;
@@ -1762,13 +1773,7 @@ void ListWidget::paintEvent(QPaintEvent *e) {
 		_reactionsManager->startEffectsCollection();
 
 		auto top = itemTop(from->get());
-		auto context = controller()->preparePaintContext({
-			.theme = _delegate->listChatTheme(),
-			.visibleAreaTop = _visibleTop,
-			.visibleAreaTopGlobal = mapToGlobal(QPoint(0, _visibleTop)).y(),
-			.visibleAreaWidth = width(),
-			.clip = clip,
-		}).translated(0, -top);
+		auto context = preparePaintContext(clip).translated(0, -top);
 		p.translate(0, top);
 		const auto &sendingAnimation = _controller->sendingAnimation();
 		for (auto i = from; i != to; ++i) {

Telegram/SourceFiles/history/view/history_view_list_widget.h

@@ -22,6 +22,7 @@ class Session;
 namespace Ui {
 class PopupMenu;
 class ChatTheme;
+struct ChatPaintContext;
 } // namespace Ui
 
 namespace Window {
@@ -376,6 +377,8 @@ private:
 	void saveScrollState();
 	void restoreScrollState();
 
+	Ui::ChatPaintContext preparePaintContext(const QRect &clip) const;
+
 	Element *viewForItem(FullMsgId itemId) const;
 	Element *viewForItem(const HistoryItem *item) const;
 	not_null<Element*> enforceViewForItem(not_null<HistoryItem*> item);

Telegram/SourceFiles/ui/effects/message_sending_animation_controller.cpp

@@ -48,10 +48,10 @@ private:
  	using Context = Ui::ChatPaintContext;
 
 	void createSurrounding();
+	not_null<HistoryView::Element*> view() const;
 
 	const not_null<Window::SessionController*> _controller;
-	Fn<not_null<HistoryView::Element*>()> _view;
-	not_null<ChatTheme*> _theme;
+	MessageSendingAnimationController::SendingInfoTo _toInfo;
 	QRect _from;
 	QRect _to;
 	QRect _innerContentRect;
@@ -72,18 +72,18 @@ Content::Content(
 	MessageSendingAnimationController::SendingInfoTo &&to)
 : RpWidget(parent)
 , _controller(controller)
-, _view(std::move(to.view))
-, _theme(to.theme)
+, _toInfo(std::move(to))
 , _from(parent->mapFromGlobal(globalGeometryFrom))
-, _innerContentRect(_view()->media()->contentRectForReactions()) {
-	Expects(_view != nullptr);
+, _innerContentRect(view()->media()->contentRectForReactions()) {
+	Expects(_toInfo.view != nullptr);
+	Expects(_toInfo.paintContext != nullptr);
 
 	show();
 	setAttribute(Qt::WA_TransparentForMouseEvents);
 	raise();
 
 	base::take(
-		to.globalEndGeometry
+		_toInfo.globalEndGeometry
 	) | rpl::distinct_until_changed(
 	) | rpl::start_with_next([=](const QRect &r) {
 		_to = parent->mapFromGlobal(r);
@@ -117,10 +117,10 @@ Content::Content(
 		}
 
 		if (value == 1.) {
-			const auto view = _view();
+			const auto currentView = view();
 			const auto controller = _controller;
 			_destroyRequests.fire({});
-			controller->session().data().requestViewRepaint(view);
+			controller->session().data().requestViewRepaint(currentView);
 		}
 	};
 	animationCallback(0.);
@@ -131,6 +131,10 @@ Content::Content(
 		HistoryView::ListWidget::kItemRevealDuration);
 }
 
+not_null<HistoryView::Element*> Content::view() const {
+	return _toInfo.view();
+}
+
 void Content::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
@@ -145,14 +149,13 @@ void Content::paintEvent(QPaintEvent *e) {
 		(1 - progress) * OffsetMid(height(), _minScale));
 	p.scale(scale, scale);
 
-	auto context = _controller->preparePaintContext({
-		.theme = _theme,
-	});
-	const auto view = _view();
+	const auto currentView = view();
+
+	auto context = _toInfo.paintContext();
 	context.skipDrawingParts = Context::SkipDrawingParts::Surrounding;
-	context.outbg = view->hasOutLayout();
+	context.outbg = currentView->hasOutLayout();
 	p.translate(-_innerContentRect.topLeft());
-	view->media()->draw(p, context);
+	currentView->media()->draw(p, context);
 }
 
 rpl::producer<> Content::destroyRequests() const {
@@ -163,8 +166,8 @@ void Content::createSurrounding() {
 	_surrounding = base::make_unique_q<Ui::RpWidget>(parentWidget());
 	_surrounding->setAttribute(Qt::WA_TransparentForMouseEvents);
 
-	const auto view = _view();
-	const auto surroundingSize = view->innerGeometry().size();
+	const auto currentView = view();
+	const auto surroundingSize = currentView->innerGeometry().size();
 	const auto offset = _innerContentRect.topLeft();
 
 	_surrounding->resize(surroundingSize);
@@ -194,16 +197,13 @@ void Content::createSurrounding() {
 	 		revProgress * OffsetMid(size.height() + offset.y(), _minScale));
 	 	p.scale(scale, scale);
 
-		auto context = _controller->preparePaintContext({
-			.theme = _theme,
-		});
-
-		const auto view = _view();
+		const auto currentView = view();
 
+		auto context = _toInfo.paintContext();
 		context.skipDrawingParts = Context::SkipDrawingParts::Content;
-		context.outbg = view->hasOutLayout();
+		context.outbg = currentView->hasOutLayout();
 
-		view->media()->draw(p, context);
+		currentView->media()->draw(p, context);
 	}, _surrounding->lifetime());
 }
 

Telegram/SourceFiles/ui/effects/message_sending_animation_controller.h

@@ -21,7 +21,7 @@ class SessionController;
 namespace Ui {
 
 class RpWidget;
-class ChatTheme;
+struct ChatPaintContext;
 
 class MessageSendingAnimationController final {
 public:
@@ -31,7 +31,7 @@ public:
 	struct SendingInfoTo {
 		rpl::producer<QRect> globalEndGeometry;
 		Fn<not_null<HistoryView::Element*>()> view;
-		not_null<Ui::ChatTheme*> theme;
+		Fn<Ui::ChatPaintContext()> paintContext;
 	};
 
 	void appendSending(MessageSendingAnimationFrom from);