Avoid unnecessary saved dialogs load requests.

telegramdesktop · Jan 1, 2024 · a30d0ec · a30d0ec
1 parent a4f4e45
commit a30d0ec
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Showing 2 changed files with 30 additions and 2 deletions.
diff --git a/Telegram/SourceFiles/data/data_saved_messages.cpp b/Telegram/SourceFiles/data/data_saved_messages.cpp
@@ -28,7 +28,8 @@ SavedMessages::SavedMessages(not_null<Session*> owner)
 , _chatsList(
 	&owner->session(),
 	FilterId(),
-	owner->maxPinnedChatsLimitValue(this)) {
+	owner->maxPinnedChatsLimitValue(this))
+, _loadMore([=] { sendLoadMoreRequests(); }) {
 }
 
 SavedMessages::~SavedMessages() = default;
@@ -60,6 +61,16 @@ not_null<SavedSublist*> SavedMessages::sublist(not_null<PeerData*> peer) {
 }
 
 void SavedMessages::loadMore() {
+	_loadMoreScheduled = true;
+	_loadMore.call();
+}
+
+void SavedMessages::loadMore(not_null<SavedSublist*> sublist) {
+	_loadMoreSublistsScheduled.emplace(sublist);
+	_loadMore.call();
+}
+
+void SavedMessages::sendLoadMore() {
 	if (_loadMoreRequestId || _chatsList.loaded()) {
 		return;
 	} else if (!_pinnedLoaded) {
@@ -102,7 +113,7 @@ void SavedMessages::loadPinned() {
 	}).send();
 }
 
-void SavedMessages::loadMore(not_null<SavedSublist*> sublist) {
+void SavedMessages::sendLoadMore(not_null<SavedSublist*> sublist) {
 	if (_loadMoreRequests.contains(sublist) || sublist->isFullLoaded()) {
 		return;
 	}
@@ -233,6 +244,15 @@ void SavedMessages::apply(
 	}
 }
 
+void SavedMessages::sendLoadMoreRequests() {
+	if (_loadMoreScheduled) {
+		sendLoadMore();
+	}
+	for (const auto sublist : base::take(_loadMoreSublistsScheduled)) {
+		sendLoadMore(sublist);
+	}
+}
+
 void SavedMessages::apply(const MTPDupdatePinnedSavedDialogs &update) {
 	const auto list = update.vorder();
 	if (!list) {

diff --git a/Telegram/SourceFiles/data/data_saved_messages.h b/Telegram/SourceFiles/data/data_saved_messages.h
@@ -41,6 +41,10 @@ class SavedMessages final {
 	void loadPinned();
 	void apply(const MTPmessages_SavedDialogs &result, bool pinned);
 
+	void sendLoadMore();
+	void sendLoadMore(not_null<SavedSublist*> sublist);
+	void sendLoadMoreRequests();
+
 	const not_null<Session*> _owner;
 
 	Dialogs::MainList _chatsList;
@@ -56,6 +60,10 @@ class SavedMessages final {
 	MsgId _offsetId = 0;
 	PeerData *_offsetPeer = nullptr;
 
+	SingleQueuedInvokation _loadMore;
+	base::flat_set<not_null<SavedSublist*>> _loadMoreSublistsScheduled;
+	bool _loadMoreScheduled = false;
+
 	bool _pinnedLoaded = false;
 	bool _unsupported = false;