Remove counter from unread bar.

Telegram/Resources/langs/lang.strings

@@ -1369,7 +1369,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_user_action_upload_file" = "{user} is sending a file";
 "lng_unread_bar#one" = "{count} unread message";
 "lng_unread_bar#other" = "{count} unread messages";
-//"lng_unread_bar_some" = "Unread messages";
+"lng_unread_bar_some" = "Unread messages";
 
 "lng_maps_point" = "Location";
 "lng_save_photo" = "Save image";

Telegram/SourceFiles/history/history.cpp

@@ -1367,8 +1367,8 @@ HistoryBlock *History::prepareBlockForAddingItem() {
 }
 
 void History::viewReplaced(not_null<const Element*> was, Element *now) {
-	if (scrollTopItem == was) scrollTopItem= now;
-	if (_firstUnreadView == was) _firstUnreadView= now;
+	if (scrollTopItem == was) scrollTopItem = now;
+	if (_firstUnreadView == was) _firstUnreadView = now;
 	if (_unreadBarView == was) _unreadBarView = now;
 }
 
@@ -1803,14 +1803,6 @@ void History::setUnreadCount(int newUnreadCount) {
 			calculateFirstUnreadMessage();
 		}
 	}
-	if (_unreadBarView) {
-		const auto count = chatListUnreadCount();
-		if (count > 0) {
-			_unreadBarView->setUnreadBarCount(count);
-		} else {
-			_unreadBarView->setUnreadBarFreezed();
-		}
-	}
 	Notify::peerUpdatedDelayed(
 		peer,
 		Notify::PeerUpdate::Flag::UnreadViewChanged);
@@ -2064,7 +2056,7 @@ void History::addUnreadBar() {
 	}
 	if (const auto count = chatListUnreadCount()) {
 		_unreadBarView = _firstUnreadView;
-		_unreadBarView->setUnreadBarCount(count);
+		_unreadBarView->createUnreadBar();
 	}
 }
 
@@ -2074,17 +2066,6 @@ void History::destroyUnreadBar() {
 	}
 }
 
-bool History::hasNotFreezedUnreadBar() const {
-	if (_firstUnreadView) {
-		if (const auto view = _unreadBarView) {
-			if (const auto bar = view->Get<HistoryView::UnreadBar>()) {
-				return !bar->freezed;
-			}
-		}
-	}
-	return false;
-}
-
 void History::unsetFirstUnreadMessage() {
 	_firstUnreadView = nullptr;
 }

Telegram/SourceFiles/history/history.h

@@ -205,7 +205,6 @@ public:
 	bool changeMute(bool newMute);
 	void addUnreadBar();
 	void destroyUnreadBar();
-	[[nodiscard]] bool hasNotFreezedUnreadBar() const;
 	[[nodiscard]] Element *unreadBar() const;
 	void calculateFirstUnreadMessage();
 	void unsetFirstUnreadMessage();

Telegram/SourceFiles/history/history_widget.cpp

@@ -2389,7 +2389,7 @@ void HistoryWidget::messagesReceived(PeerData *peer, const MTPmessages_Messages
 		_preloadDownRequest = 0;
 		preloadHistoryIfNeeded();
 		if (_history->loadedAtBottom()) {
-			App::wnd()->checkHistoryActivation();
+			checkHistoryActivation();
 		}
 	} else if (_firstLoadRequest == requestId) {
 		if (toMigrated) {
@@ -3138,7 +3138,7 @@ void HistoryWidget::doneShow() {
 		handlePendingHistoryUpdate();
 	}
 	preloadHistoryIfNeeded();
-	App::wnd()->checkHistoryActivation();
+	checkHistoryActivation();
 	App::wnd()->setInnerFocus();
 }
 
@@ -4986,7 +4986,6 @@ int HistoryWidget::countAutomaticScrollTop() {
 			if (history->unreadBar() != nullptr) {
 				setMsgId(ShowAtUnreadMsgId);
 				result = countInitialScrollTop();
-				App::wnd()->checkHistoryActivation();
 				if (session().supportMode()) {
 					history->unsetFirstUnreadMessage();
 				}
@@ -5109,7 +5108,7 @@ void HistoryWidget::updateHistoryGeometry(
 		_historyInited = true;
 		_scrollToAnimation.stop();
 	}
-	auto newScrollTop = initial
+	const auto newScrollTop = initial
 		? countInitialScrollTop()
 		: countAutomaticScrollTop();
 	if (_scroll->scrollTop() == newScrollTop) {

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -127,14 +127,8 @@ TextSelection ShiftItemSelection(
 	return ShiftItemSelection(selection, byText.length());
 }
 
-void UnreadBar::init(int newCount) {
-	if (freezed) {
-		return;
-	}
-	count = newCount;
-	text = /*(count == kCountUnknown) // #feed
-		? tr::lng_unread_bar_some(tr::now)
-		: */tr::lng_unread_bar(tr::now, lt_count, count);
+void UnreadBar::init() {
+	text = tr::lng_unread_bar_some(tr::now);
 	width = st::semiboldFont->width(text);
 }
 
@@ -416,6 +410,18 @@ bool Element::computeIsAttachToPrevious(not_null<Element*> previous) {
 	return false;
 }
 
+void Element::createUnreadBar() {
+	if (!AddComponents(UnreadBar::Bit())) {
+		return;
+	}
+	const auto bar = Get<UnreadBar>();
+	bar->init();
+	if (data()->mainView() == this) {
+		recountAttachToPreviousInBlocks();
+	}
+	history()->owner().requestViewResize(this);
+}
+
 void Element::destroyUnreadBar() {
 	if (!Has<UnreadBar>()) {
 		return;
@@ -427,29 +433,6 @@ void Element::destroyUnreadBar() {
 	}
 }
 
-void Element::setUnreadBarCount(int count) {
-	const auto changed = AddComponents(UnreadBar::Bit());
-	const auto bar = Get<UnreadBar>();
-	if (bar->freezed) {
-		return;
-	}
-	bar->init(count);
-	if (changed) {
-		if (data()->mainView() == this) {
-			recountAttachToPreviousInBlocks();
-		}
-		history()->owner().requestViewResize(this);
-	} else {
-		history()->owner().requestViewRepaint(this);
-	}
-}
-
-void Element::setUnreadBarFreezed() {
-	if (const auto bar = Get<UnreadBar>()) {
-		bar->freezed = true;
-	}
-}
-
 int Element::displayedDateHeight() const {
 	if (auto date = Get<DateBadge>()) {
 		return date->height();

Telegram/SourceFiles/history/view/history_view_element.h

@@ -96,26 +96,15 @@ TextSelection ShiftItemSelection(
 // Any HistoryView::Element can have this Component for
 // displaying the unread messages bar above the message.
 struct UnreadBar : public RuntimeComponent<UnreadBar, Element> {
-	void init(int newCount);
+	void init();
 
 	static int height();
 	static int marginTop();
 
 	void paint(Painter &p, int y, int w) const;
 
-	static constexpr auto kCountUnknown = std::numeric_limits<int>::max();
-
 	QString text;
 	int width = 0;
-	int count = 0;
-
-	// If unread bar is freezed the new messages do not
-	// increment the counter displayed by this bar.
-	//
-	// It happens when we've opened the conversation and
-	// we've seen the bar and new messages are marked as read
-	// as soon as they are added to the chat history.
-	bool freezed = false;
 
 };
 
@@ -192,14 +181,9 @@ public:
 
 	bool computeIsAttachToPrevious(not_null<Element*> previous);
 
-	void setUnreadBarCount(int count);
+	void createUnreadBar();
 	void destroyUnreadBar();
 
-	// marks the unread bar as freezed so that unread
-	// messages count will not change for this bar
-	// when the new messages arrive in this chat history
-	void setUnreadBarFreezed();
-
 	int displayedDateHeight() const;
 	bool displayDate() const;
 	bool isInOneDayWithPrevious() const;

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -462,7 +462,7 @@ void ListWidget::checkUnreadBarCreation() {
 	if (!_unreadBarElement) {
 		if (const auto index = _delegate->listUnreadBarView(_items)) {
 			_unreadBarElement = _items[*index].get();
-			_unreadBarElement->setUnreadBarCount(UnreadBar::kCountUnknown);
+			_unreadBarElement->createUnreadBar();
 			refreshAttachmentsAtIndex(*index);
 		}
 	}
@@ -2497,14 +2497,9 @@ void ListWidget::viewReplaced(not_null<const Element*> was, Element *now) {
 	if (_overElement == was) _overElement = now;
 	if (_unreadBarElement == was) {
 		const auto bar = _unreadBarElement->Get<UnreadBar>();
-		const auto count = bar ? bar->count : 0;
-		const auto freezed = bar ? bar->freezed : false;
 		_unreadBarElement = now;
-		if (now && count) {
-			_unreadBarElement->setUnreadBarCount(count);
-			if (freezed) {
-				_unreadBarElement->setUnreadBarFreezed();
-			}
+		if (now && bar) {
+			_unreadBarElement->createUnreadBar();
 		}
 	}
 }