Highlight specific media in album

Telegram/SourceFiles/history/history_widget.cpp

@@ -895,31 +895,34 @@ void HistoryWidget::scrollToAnimationCallback(
 
 void HistoryWidget::enqueueMessageHighlight(
 		not_null<HistoryView::Element*> view) {
+	const auto originalItem = view->data();
 	if (const auto group = session().data().groups().find(view->data())) {
 		if (const auto leader = group->items.back()->mainView()) {
 			view = leader;
 		}
 	}
-	auto enqueueMessageId = [this](MsgId universalId) {
+	auto enqueueMessageId = [this](MsgId universalId, MsgId originalId) {
 		if (_highlightQueue.empty() && !_highlightTimer.isActive()) {
-			highlightMessage(universalId);
+			highlightMessage(universalId, originalId);
 		} else if (_highlightedMessageId != universalId
 			&& !base::contains(_highlightQueue, universalId)) {
 			_highlightQueue.push_back(universalId);
+			_highlightOriginalQueue.push_back(originalId);
 			checkNextHighlight();
 		}
 	};
 	const auto item = view->data();
 	if (item->history() == _history) {
-		enqueueMessageId(item->id);
+		enqueueMessageId(item->id, originalItem->id);
 	} else if (item->history() == _migrated) {
-		enqueueMessageId(-item->id);
+		enqueueMessageId(-item->id, -originalItem->id);
 	}
 }
 
-void HistoryWidget::highlightMessage(MsgId universalMessageId) {
+void HistoryWidget::highlightMessage(MsgId universalMessageId, MsgId originalMessageId) {
 	_highlightStart = crl::now();
 	_highlightedMessageId = universalMessageId;
+	_highlightedOriginalMessageId = originalMessageId;
 	_highlightTimer.callEach(AnimationTimerDelta);
 }
 
@@ -938,10 +941,21 @@ void HistoryWidget::checkNextHighlight() {
 		}
 		return 0;
 	}();
-	if (!nextHighlight) {
+	auto nextOriginalHighlight = [this] {
+		while (!_highlightOriginalQueue.empty()) {
+			auto msgId = _highlightOriginalQueue.front();
+			_highlightOriginalQueue.pop_front();
+			auto item = getItemFromHistoryOrMigrated(msgId);
+			if (item && item->mainView()) {
+				return msgId;
+			}
+		}
+		return 0;
+	}();
+	if (!nextHighlight || !nextOriginalHighlight) {
 		return;
 	}
-	highlightMessage(nextHighlight);
+	highlightMessage(nextHighlight, nextOriginalHighlight);
 }
 
 void HistoryWidget::updateHighlightedMessage() {
@@ -975,11 +989,13 @@ crl::time HistoryWidget::highlightStartTime(not_null<const HistoryItem*> item) c
 void HistoryWidget::stopMessageHighlight() {
 	_highlightTimer.cancel();
 	_highlightedMessageId = 0;
+	_highlightedOriginalMessageId = 0;
 	checkNextHighlight();
 }
 
 void HistoryWidget::clearHighlightMessages() {
 	_highlightQueue.clear();
+	_highlightOriginalQueue.clear();
 	stopMessageHighlight();
 }
 
@@ -3145,6 +3161,11 @@ MsgId HistoryWidget::msgId() const {
 	return _showAtMsgId;
 }
 
+MsgId HistoryWidget::highlightOrigId() const {
+	return _highlightedOriginalMessageId;
+}
+
+
 void HistoryWidget::showAnimated(
 		Window::SlideDirection direction,
 		const Window::SectionSlideParams &params) {

Telegram/SourceFiles/history/history_widget.h

@@ -147,6 +147,7 @@ public:
 	PeerData *peer() const;
 	void setMsgId(MsgId showAtMsgId);
 	MsgId msgId() const;
+	MsgId highlightOrigId() const;
 
 	bool hasTopBarShadow() const {
 		return peer() != nullptr;
@@ -402,7 +403,7 @@ private:
 	void supportInsertText(const QString &text);
 	void supportShareContact(Support::Contact contact);
 
-	void highlightMessage(MsgId universalMessageId);
+	void highlightMessage(MsgId universalMessageId, MsgId originalMessageId);
 	void checkNextHighlight();
 	void updateHighlightedMessage();
 	void clearHighlightMessages();
@@ -791,6 +792,8 @@ private:
 
 	MsgId _highlightedMessageId = 0;
 	std::deque<MsgId> _highlightQueue;
+	MsgId _highlightedOriginalMessageId = 0;
+	std::deque<MsgId> _highlightOriginalQueue;
 	base::Timer _highlightTimer;
 	crl::time _highlightStart = 0;
 

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

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_photo.h"
 #include "data/data_file_origin.h"
+#include "mainwidget.h"
 #include "app.h"
 #include "styles/style_history.h"
 
@@ -368,7 +369,25 @@ void Photo::drawGrouped(
 	if (!bubble) {
 //		App::roundShadow(p, 0, 0, paintw, painth, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
 	}
-	p.drawPixmap(geometry.topLeft(), *cache);
+	const auto animms = _parent->delegate()->elementHighlightTime(_parent);
+	const auto realId = _realParent->id;
+	const auto mainWidget = App::main();
+	const auto highlightedRealId = mainWidget->highlightedOriginalId();
+	if (realId != highlightedRealId
+		&& animms 
+		&& animms < st::activeFadeInDuration + st::activeFadeOutDuration) {
+		const auto dt = (animms <= st::activeFadeInDuration)
+			? ((animms / float64(st::activeFadeInDuration)))
+			: (1. - (animms - st::activeFadeInDuration)
+				/ float64(st::activeFadeOutDuration));
+		const auto o = p.opacity();
+		p.setOpacity(o - dt * 0.8);
+		p.drawPixmap(geometry.topLeft(), *cache);
+		p.setOpacity(o);
+	} else {
+		p.drawPixmap(geometry.topLeft(), *cache);
+	}
+
 	if (selected) {
 		const auto roundRadius = ImageRoundRadius::Large;
 		App::complexOverlayRect(p, geometry, roundRadius, corners);

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

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_document.h"
 #include "data/data_file_origin.h"
+#include "mainwidget.h"
 #include "app.h"
 #include "styles/style_history.h"
 
@@ -410,7 +411,24 @@ void Video::drawGrouped(
 	if (!bubble) {
 //		App::roundShadow(p, 0, 0, paintw, painth, selected ? st::msgInShadowSelected : st::msgInShadow, selected ? InSelectedShadowCorners : InShadowCorners);
 	}
-	p.drawPixmap(geometry.topLeft(), *cache);
+	const auto animms = _parent->delegate()->elementHighlightTime(_parent);
+	const auto realId = _realParent->id;
+	const auto mainWidget = App::main();
+	const auto highlightedRealId = mainWidget->highlightedOriginalId();
+	if (realId != highlightedRealId
+		&& animms 
+		&& animms < st::activeFadeInDuration + st::activeFadeOutDuration) {
+		const auto dt = (animms <= st::activeFadeInDuration)
+			? ((animms / float64(st::activeFadeInDuration)))
+			: (1. - (animms - st::activeFadeInDuration)
+				/ float64(st::activeFadeOutDuration));
+		const auto o = p.opacity();
+		p.setOpacity(o - dt * 0.8);
+		p.drawPixmap(geometry.topLeft(), *cache);
+		p.setOpacity(o);
+	} else {
+		p.drawPixmap(geometry.topLeft(), *cache);
+	}
 	if (selected) {
 		const auto roundRadius = ImageRoundRadius::Large;
 		App::complexOverlayRect(p, geometry, roundRadius, corners);

Telegram/SourceFiles/mainwidget.cpp

@@ -778,6 +778,10 @@ void MainWidget::notify_historyMuteUpdated(History *history) {
 	_dialogs->notify_historyMuteUpdated(history);
 }
 
+MsgId MainWidget::highlightedOriginalId() const {
+	return _history->highlightOrigId();
+}
+
 void MainWidget::clearHider(not_null<Window::HistoryHider*> instance) {
 	if (_hider != instance) {
 		return;

Telegram/SourceFiles/mainwidget.h

@@ -292,6 +292,8 @@ public:
 	void notify_showScheduledButtonChanged();
 	void notify_historyMuteUpdated(History *history);
 
+	MsgId highlightedOriginalId() const;
+
 	void closeBothPlayers();
 
 	bool isQuitPrevent();