Fix crash in pinned topic deletion.

Telegram/SourceFiles/data/data_changes.cpp

@@ -76,6 +76,11 @@ rpl::producer<UpdateType> Changes::Manager<DataType, UpdateType>::flagsValue(
 	) | rpl::then(updates(data, flags));
 }
 
+template <typename DataType, typename UpdateType>
+void Changes::Manager<DataType, UpdateType>::drop(not_null<DataType*> data) {
+	_updates.remove(data);
+}
+
 template <typename DataType, typename UpdateType>
 void Changes::Manager<DataType, UpdateType>::sendNotifications() {
 	for (const auto &[data, flags] : base::take(_updates)) {
@@ -166,8 +171,11 @@ rpl::producer<HistoryUpdate> Changes::realtimeHistoryUpdates(
 void Changes::topicUpdated(
 		not_null<ForumTopic*> topic,
 		TopicUpdate::Flags flags) {
-	_topicChanges.updated(topic, flags);
-	scheduleNotifications();
+	const auto drop = (flags & TopicUpdate::Flag::Destroyed);
+	_topicChanges.updated(topic, flags, drop);
+	if (!drop) {
+		scheduleNotifications();
+	}
 }
 
 rpl::producer<TopicUpdate> Changes::topicUpdates(
@@ -192,6 +200,10 @@ rpl::producer<TopicUpdate> Changes::realtimeTopicUpdates(
 	return _topicChanges.realtimeUpdates(flag);
 }
 
+void Changes::topicRemoved(not_null<ForumTopic*> topic) {
+	_topicChanges.drop(topic);
+}
+
 void Changes::messageUpdated(
 		not_null<HistoryItem*> item,
 		MessageUpdate::Flags flags) {
@@ -227,8 +239,11 @@ rpl::producer<MessageUpdate> Changes::realtimeMessageUpdates(
 void Changes::entryUpdated(
 		not_null<Dialogs::Entry*> entry,
 		EntryUpdate::Flags flags) {
-	_entryChanges.updated(entry, flags);
-	scheduleNotifications();
+	const auto drop = (flags & EntryUpdate::Flag::Destroyed);
+	_entryChanges.updated(entry, flags, drop);
+	if (!drop) {
+		scheduleNotifications();
+	}
 }
 
 rpl::producer<EntryUpdate> Changes::entryUpdates(
@@ -253,6 +268,10 @@ rpl::producer<EntryUpdate> Changes::realtimeEntryUpdates(
 	return _entryChanges.realtimeUpdates(flag);
 }
 
+void Changes::entryRemoved(not_null<Dialogs::Entry*> entry) {
+	_entryChanges.drop(entry);
+}
+
 void Changes::scheduleNotifications() {
 	if (!_notify) {
 		_notify = true;

Telegram/SourceFiles/data/data_changes.h

@@ -153,8 +153,9 @@ struct TopicUpdate {
 		CloudDraft = (1U << 8),
 		Closed = (1U << 9),
 		Creator = (1U << 10),
+		Destroyed = (1U << 11),
 
-		LastUsedBit = (1U << 10),
+		LastUsedBit = (1U << 11),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
@@ -198,8 +199,9 @@ struct EntryUpdate {
 		ForwardDraft = (1U << 2),
 		LocalDraftSet = (1U << 3),
 		Height = (1U << 4),
+		Destroyed = (1U << 5),
 
-		LastUsedBit = (1U << 4),
+		LastUsedBit = (1U << 5),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
@@ -261,6 +263,7 @@ public:
 		TopicUpdate::Flags flags) const;
 	[[nodiscard]] rpl::producer<TopicUpdate> realtimeTopicUpdates(
 		TopicUpdate::Flag flag) const;
+	void topicRemoved(not_null<ForumTopic*> topic);
 
 	void messageUpdated(
 		not_null<HistoryItem*> item,
@@ -289,6 +292,7 @@ public:
 		EntryUpdate::Flags flags) const;
 	[[nodiscard]] rpl::producer<EntryUpdate> realtimeEntryUpdates(
 		EntryUpdate::Flag flag) const;
+	void entryRemoved(not_null<Dialogs::Entry*> entry);
 
 	void sendNotifications();
 
@@ -313,6 +317,8 @@ private:
 		[[nodiscard]] rpl::producer<UpdateType> realtimeUpdates(
 			Flag flag) const;
 
+		void drop(not_null<DataType*> data);
+
 		void sendNotifications();
 
 	private:

Telegram/SourceFiles/data/data_forum.cpp

@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "data/data_channel.h"
 #include "data/data_histories.h"
+#include "data/data_changes.h"
 #include "data/data_session.h"
 #include "data/data_forum_icons.h"
 #include "data/data_forum_topic.h"
@@ -68,12 +69,16 @@ Forum::~Forum() {
 	if (_requestId) {
 		session().api().request(_requestId).cancel();
 	}
+	auto &storage = session().storage();
+	auto &changes = session().changes();
 	const auto peerId = _history->peer->id;
 	for (const auto &[rootId, topic] : _topics) {
-		session().storage().unload(Storage::SharedMediaUnloadThread(
-			peerId,
-			rootId));
+		storage.unload(Storage::SharedMediaUnloadThread(peerId, rootId));
 		_history->setForwardDraft(rootId, {});
+
+		const auto raw = topic.get();
+		changes.topicRemoved(raw);
+		changes.entryRemoved(raw);
 	}
 }
 
@@ -181,6 +186,12 @@ void Forum::applyTopicDeleted(MsgId rootId) {
 		}
 
 		_topicDestroyed.fire(raw);
+		session().changes().topicUpdated(
+			raw,
+			Data::TopicUpdate::Flag::Destroyed);
+		session().changes().entryUpdated(
+			raw,
+			Data::EntryUpdate::Flag::Destroyed);
 		_topics.erase(i);
 
 		_history->destroyMessagesByTopic(rootId);

Telegram/SourceFiles/dialogs/dialogs_entry.cpp

@@ -333,7 +333,7 @@ not_null<Row*> Entry::addToChatList(
 void Entry::removeFromChatList(
 		FilterId filterId,
 		not_null<MainList*> list) {
-	if (!asTopic() && isPinnedDialog(filterId)) {
+	if (isPinnedDialog(filterId)) {
 		owner().setChatPinned(this, filterId, false);
 	}
 

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -1223,13 +1223,11 @@ void Element::drawRightAction(
 	int outerWidth) const {
 }
 
-ClickHandlerPtr Element::rightActionLink() const {
+ClickHandlerPtr Element::rightActionLink(
+		std::optional<QPoint> pressPoint) const {
 	return ClickHandlerPtr();
 }
 
-void Element::applyRightActionLastPoint(QPoint p) const {
-}
-
 TimeId Element::displayedEditDate() const {
 	return TimeId(0);
 }

Telegram/SourceFiles/history/view/history_view_element.h

@@ -403,8 +403,8 @@ public:
 		int left,
 		int top,
 		int outerWidth) const;
-	[[nodiscard]] virtual ClickHandlerPtr rightActionLink() const;
-	virtual void applyRightActionLastPoint(QPoint p) const;
+	[[nodiscard]] virtual ClickHandlerPtr rightActionLink(
+		std::optional<QPoint> pressPoint) const;
 	[[nodiscard]] virtual TimeId displayedEditDate() const;
 	[[nodiscard]] virtual bool hasVisibleText() const;
 	[[nodiscard]] virtual HistoryMessageReply *displayedReply() const;

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -1963,10 +1963,9 @@ TextState Message::textState(
 				size->width(),
 				size->height()
 			).contains(point)) {
-				result.link = rightActionLink();
+				result.link = rightActionLink(point
+					- QPoint(fastShareLeft, fastShareTop));
 			}
-			applyRightActionLastPoint(point
-				- QPoint(fastShareLeft, fastShareTop));
 		}
 	} else if (media && media->isDisplayed()) {
 		result = media->textState(point - g.topLeft(), request);
@@ -2715,7 +2714,7 @@ auto Message::verticalRepaintRange() const -> VerticalRepaintRange {
 
 void Message::refreshDataIdHook() {
 	if (_rightAction && base::take(_rightAction->link)) {
-		_rightAction->link = rightActionLink();
+		_rightAction->link = rightActionLink(_rightAction->lastPoint);
 	}
 	if (base::take(_fastReplyLink)) {
 		_fastReplyLink = fastReplyLink();
@@ -2989,11 +2988,6 @@ std::optional<QSize> Message::rightActionSize() const {
 		: std::optional<QSize>();
 }
 
-void Message::applyRightActionLastPoint(QPoint p) const {
-	ensureRightAction();
-	_rightAction->lastPoint = std::move(p);
-}
-
 bool Message::displayFastShare() const {
 	const auto item = message();
 	const auto peer = item->history()->peer;
@@ -3100,11 +3094,15 @@ void Message::drawRightAction(
 	}
 }
 
-ClickHandlerPtr Message::rightActionLink() const {
+ClickHandlerPtr Message::rightActionLink(
+		std::optional<QPoint> pressPoint) const {
 	ensureRightAction();
 	if (!_rightAction->link) {
 		_rightAction->link = prepareRightActionLink();
 	}
+	if (pressPoint) {
+		_rightAction->lastPoint = *pressPoint;
+	}
 	return _rightAction->link;
 }
 

Telegram/SourceFiles/history/view/history_view_message.h

@@ -130,14 +130,14 @@ public:
 	bool displayFastReply() const override;
 	bool displayRightActionComments() const;
 	std::optional<QSize> rightActionSize() const override;
-	void applyRightActionLastPoint(QPoint p) const override;
 	void drawRightAction(
 		Painter &p,
 		const PaintContext &context,
 		int left,
 		int top,
 		int outerWidth) const override;
-	[[nodiscard]] ClickHandlerPtr rightActionLink() const override;
+	[[nodiscard]] ClickHandlerPtr rightActionLink(
+		std::optional<QPoint> pressPoint) const override;
 	[[nodiscard]] TimeId displayedEditDate() const override;
 	[[nodiscard]] HistoryMessageReply *displayedReply() const override;
 	[[nodiscard]] bool toggleSelectionByHandlerClick(

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

@@ -393,8 +393,7 @@ TextState ExtendedPreview::textState(QPoint point, StateRequest request) const {
 			auto fastShareLeft = (fullRight + st::historyFastShareLeft);
 			auto fastShareTop = (fullBottom - st::historyFastShareBottom - size->height());
 			if (QRect(fastShareLeft, fastShareTop, size->width(), size->height()).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point
+				result.link = _parent->rightActionLink(point
 					- QPoint(fastShareLeft, fastShareTop));
 			}
 		}

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

@@ -1032,8 +1032,7 @@ TextState Gif::textState(QPoint point, StateRequest request) const {
 					+ st::msgDateImgPadding.y();
 			}
 			if (QRect(QPoint(fastShareLeft, fastShareTop), *size).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point
+				result.link = _parent->rightActionLink(point
 					- QPoint(fastShareLeft, fastShareTop));
 			}
 		}

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

@@ -334,8 +334,7 @@ TextState Location::textState(QPoint point, StateRequest request) const {
 			auto fastShareLeft = (fullRight + st::historyFastShareLeft);
 			auto fastShareTop = (fullBottom - st::historyFastShareBottom - size->height());
 			if (QRect(fastShareLeft, fastShareTop, size->width(), size->height()).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point
+				result.link = _parent->rightActionLink(point
 					- QPoint(fastShareLeft, fastShareTop));
 			}
 		}

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

@@ -461,8 +461,7 @@ TextState GroupedMedia::textState(QPoint point, StateRequest request) const {
 			auto fastShareLeft = (fullRight + st::historyFastShareLeft);
 			auto fastShareTop = (fullBottom - st::historyFastShareBottom - size->height());
 			if (QRect(fastShareLeft, fastShareTop, size->width(), size->height()).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point
+				result.link = _parent->rightActionLink(point
 					- QPoint(fastShareLeft, fastShareTop));
 			}
 		}

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

@@ -485,8 +485,7 @@ TextState UnwrappedMedia::textState(QPoint point, StateRequest request) const {
 				fullRight,
 				*rightActionSize);
 			if (QRect(position.x(), position.y(), rightActionSize->width(), rightActionSize->height()).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point - position);
+				result.link = _parent->rightActionLink(point - position);
 				return result;
 			}
 		}

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

@@ -563,8 +563,7 @@ TextState Photo::textState(QPoint point, StateRequest request) const {
 			auto fastShareLeft = (fullRight + st::historyFastShareLeft);
 			auto fastShareTop = (fullBottom - st::historyFastShareBottom - size->height());
 			if (QRect(fastShareLeft, fastShareTop, size->width(), size->height()).contains(point)) {
-				result.link = _parent->rightActionLink();
-				_parent->applyRightActionLastPoint(point
+				result.link = _parent->rightActionLink(point
 					- QPoint(fastShareLeft, fastShareTop));
 			}
 		}