From 754371a29530cd570d900d7dc692410131bdcc12 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 6 Jul 2022 10:10:02 +0400
Subject: [PATCH] Optimize custom emoji repaints in pinned bar / reply info.

---
 Telegram/SourceFiles/history/history_widget.cpp          | 8 +++++++-
 Telegram/SourceFiles/history/history_widget.h            | 1 +
 .../history/view/history_view_replies_section.cpp        | 2 +-
 Telegram/SourceFiles/ui/chat/message_bar.cpp             | 9 +++++++++
 Telegram/SourceFiles/ui/chat/message_bar.h               | 2 ++
 Telegram/SourceFiles/ui/chat/pinned_bar.cpp              | 4 ++--
 Telegram/SourceFiles/ui/chat/pinned_bar.h                | 2 +-
 Telegram/lib_ui                                          | 2 +-
 8 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/Telegram/SourceFiles/history/history_widget.cpp b/Telegram/SourceFiles/history/history_widget.cpp
index 00542b5a8..b44bbaef0 100644
--- a/Telegram/SourceFiles/history/history_widget.cpp
+++ b/Telegram/SourceFiles/history/history_widget.cpp
@@ -6410,7 +6410,7 @@ void HistoryWidget::checkPinnedBarState() {
 	_pinnedBar->setContent(HistoryView::PinnedBarContent(
 		&session(),
 		_pinnedTracker->shownMessageId(),
-		[bar = _pinnedBar.get()] { bar->update(); }));
+		[bar = _pinnedBar.get()] { bar->customEmojiRepaint(); }));
 
 	controller()->adaptive().oneColumnValue(
 	) | rpl::start_with_next([=](bool one) {
@@ -7604,11 +7604,17 @@ void HistoryWidget::updateReplyToName() {
 }
 
 void HistoryWidget::updateField() {
+	if (_repaintFieldScheduled) {
+		return;
+	}
+	_repaintFieldScheduled = true;
 	const auto fieldAreaTop = _scroll->y() + _scroll->height();
 	rtlupdate(0, fieldAreaTop, width(), height() - fieldAreaTop);
 }
 
 void HistoryWidget::drawField(Painter &p, const QRect &rect) {
+	_repaintFieldScheduled = false;
+
 	auto backy = _field->y() - st::historySendPadding;
 	auto backh = _field->height() + 2 * st::historySendPadding;
 	auto hasForward = readyToForward();
diff --git a/Telegram/SourceFiles/history/history_widget.h b/Telegram/SourceFiles/history/history_widget.h
index 6b1f0844c..df04a5fd6 100644
--- a/Telegram/SourceFiles/history/history_widget.h
+++ b/Telegram/SourceFiles/history/history_widget.h
@@ -650,6 +650,7 @@ private:
 	int _requestsBarHeight = 0;
 
 	bool _preserveScrollTop = false;
+	bool _repaintFieldScheduled = false;
 
 	mtpRequestId _saveEditMsgRequestId = 0;
 
diff --git a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
index f39f7563a..3ecbe5fc4 100644
--- a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
@@ -397,7 +397,7 @@ void RepliesWidget::setupRootView() {
 		RootViewContent(
 			_history,
 			_rootId,
-			[bar = _rootView.get()] { bar->update(); }),
+			[bar = _rootView.get()] { bar->customEmojiRepaint(); }),
 		_rootVisible.value()
 	) | rpl::map([=](Ui::MessageBarContent &&content, bool shown) {
 		return shown ? std::move(content) : Ui::MessageBarContent();
diff --git a/Telegram/SourceFiles/ui/chat/message_bar.cpp b/Telegram/SourceFiles/ui/chat/message_bar.cpp
index cfce4ec85..55ee3a615 100644
--- a/Telegram/SourceFiles/ui/chat/message_bar.cpp
+++ b/Telegram/SourceFiles/ui/chat/message_bar.cpp
@@ -56,12 +56,21 @@ MessageBar::MessageBar(
 	}, _widget.lifetime());
 }
 
+void MessageBar::customEmojiRepaint() {
+	if (_customEmojiRepaintScheduled) {
+		return;
+	}
+	_customEmojiRepaintScheduled = true;
+	_widget.update();
+}
+
 void MessageBar::setup() {
 	_widget.resize(0, st::historyReplyHeight);
 	_widget.paintRequest(
 	) | rpl::start_with_next([=](QRect rect) {
 		auto p = Painter(&_widget);
 		p.setInactive(_customEmojiPaused());
+		_customEmojiRepaintScheduled = false;
 		paint(p);
 	}, _widget.lifetime());
 }
diff --git a/Telegram/SourceFiles/ui/chat/message_bar.h b/Telegram/SourceFiles/ui/chat/message_bar.h
index 52ce084f7..83fb393a6 100644
--- a/Telegram/SourceFiles/ui/chat/message_bar.h
+++ b/Telegram/SourceFiles/ui/chat/message_bar.h
@@ -42,6 +42,7 @@ public:
 		return &_widget;
 	}
 
+	void customEmojiRepaint();
 	void finishAnimating();
 
 private:
@@ -110,6 +111,7 @@ private:
 	Ui::Text::String _title, _text;
 	QPixmap _image, _topBarGradient, _bottomBarGradient;
 	std::unique_ptr<Animation> _animation;
+	bool _customEmojiRepaintScheduled = false;
 
 };
 
diff --git a/Telegram/SourceFiles/ui/chat/pinned_bar.cpp b/Telegram/SourceFiles/ui/chat/pinned_bar.cpp
index e9747fbe5..bc3dc09fe 100644
--- a/Telegram/SourceFiles/ui/chat/pinned_bar.cpp
+++ b/Telegram/SourceFiles/ui/chat/pinned_bar.cpp
@@ -207,9 +207,9 @@ void PinnedBar::raise() {
 	_shadow->raise();
 }
 
-void PinnedBar::update() {
+void PinnedBar::customEmojiRepaint() {
 	if (_bar) {
-		_bar->widget()->update();
+		_bar->customEmojiRepaint();
 	}
 }
 
diff --git a/Telegram/SourceFiles/ui/chat/pinned_bar.h b/Telegram/SourceFiles/ui/chat/pinned_bar.h
index b5fb8f9b8..f48556a42 100644
--- a/Telegram/SourceFiles/ui/chat/pinned_bar.h
+++ b/Telegram/SourceFiles/ui/chat/pinned_bar.h
@@ -28,7 +28,7 @@ public:
 	void show();
 	void hide();
 	void raise();
-	void update();
+	void customEmojiRepaint();
 	void finishAnimating();
 
 	void setShadowGeometryPostprocess(Fn<QRect(QRect)> postprocess);
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 9cb7bb58f..ec76a4c0b 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 9cb7bb58f658d7603f9493b9d051cf8a78a2cd41
+Subproject commit ec76a4c0bb9131ab14fe676630a1f465bfc05ee2