Added support of topic icons to profile top bar.

Telegram/SourceFiles/info/profile/info_profile_top_bar.cpp

@@ -18,6 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_changes.h"
 #include "data/data_channel.h"
 #include "data/data_emoji_statuses.h"
+#include "data/data_forum_topic.h"
 #include "data/data_peer_values.h"
 #include "data/data_peer.h"
 #include "data/data_photo.h"
@@ -74,6 +75,7 @@ TopBar::TopBar(
 	Descriptor descriptor)
 : RpWidget(parent)
 , _peer(descriptor.controller->key().peer())
+, _topic(descriptor.controller->key().topic())
 , _st(st::infoTopBar)
 , _badgeTooltipHide(
 	std::make_unique<base::Timer>([=] { hideBadgeTooltip(); }))
@@ -195,7 +197,17 @@ TopBar::TopBar(
 	setupUniqueBadgeTooltip();
 	setupButtons(controller, descriptor.backToggles.value());
 	setupUserpicButton(controller);
-	updateVideoUserpic();
+	if (_topic) {
+		_topicIconView = std::make_unique<TopicIconView>(
+			_topic,
+			[controller = controller->parentController()] {
+				return controller->isGifPausedAtLeastFor(
+					Window::GifPauseReason::Layer);
+			},
+			[=] { update(); });
+	} else {
+		updateVideoUserpic();
+	}
 }
 
 void TopBar::setupUserpicButton(not_null<Controller*> controller) {
@@ -467,6 +479,10 @@ QRect TopBar::userpicGeometry() const {
 
 void TopBar::paintUserpic(QPainter &p) {
 	const auto geometry = userpicGeometry();
+	if (_topicIconView) {
+		_topicIconView->paintInRect(p, geometry);
+		return;
+	}
 	if (_videoUserpicPlayer && _videoUserpicPlayer->ready()) {
 		const auto size = st::infoLayerProfileTopBarPhotoSize;
 		const auto frame = _videoUserpicPlayer->frame(Size(size), _peer);

Telegram/SourceFiles/info/profile/info_profile_top_bar.h

@@ -12,8 +12,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/profile/info_profile_badge.h"
 #include "ui/userpic_view.h"
 
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
 namespace Info::Profile {
 class BadgeTooltip;
+class TopicIconView;
 } // namespace Info::Profile
 
 namespace Ui {
@@ -100,6 +105,7 @@ private:
 	void hideBadgeTooltip();
 
 	const not_null<PeerData*> _peer;
+	Data::ForumTopic *_topic = nullptr;
 	const style::InfoTopBar &_st;
 
 	std::unique_ptr<base::Timer> _badgeTooltipHide;
@@ -128,6 +134,7 @@ private:
 	QImage _cachedUserpic;
 	QImage _monoforumMask;
 	std::unique_ptr<Ui::VideoUserpicPlayer> _videoUserpicPlayer;
+	std::unique_ptr<TopicIconView> _topicIconView;
 
 	base::unique_qptr<Ui::IconButton> _close;
 	base::unique_qptr<Ui::FadeWrap<Ui::IconButton>> _back;