Added initial controller of message sending animations.

Telegram/CMakeLists.txt

@@ -1125,6 +1125,9 @@ PRIVATE
     ui/chat/choose_theme_controller.h
     ui/effects/fireworks_animation.cpp
     ui/effects/fireworks_animation.h
+    ui/effects/message_sending_animation_common.h
+    ui/effects/message_sending_animation_controller.cpp
+    ui/effects/message_sending_animation_controller.h
     ui/effects/round_checkbox.cpp
     ui/effects/round_checkbox.h
     ui/effects/send_action_animations.cpp

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

@@ -138,9 +138,12 @@ void UnwrappedMedia::draw(Painter &p, const PaintContext &context) const {
 			height() - st::msgDateImgPadding.y() * 2 - st::msgDateFont->height)
 		: _contentSize.height();
 	const auto inner = QRect(usex, usey, usew, useh);
-	_content->draw(p, context, inner);
+	if (context.skipDrawingParts != PaintContext::SkipDrawingParts::Content) {
+		_content->draw(p, context, inner);
+	}
 
-	if (!inWebPage) {
+	if (!inWebPage && (context.skipDrawingParts
+			!= PaintContext::SkipDrawingParts::Surrounding)) {
 		drawSurrounding(p, inner, context, via, reply, forwarded);
 	}
 }

Telegram/SourceFiles/ui/chat/chat_style.h

@@ -135,6 +135,14 @@ struct ChatPaintContext {
 		return result;
 	}
 
+	// This is supported only in unwrapped media for now.
+	enum class SkipDrawingParts {
+		None,
+		Content,
+		Surrounding,
+	};
+	SkipDrawingParts skipDrawingParts = SkipDrawingParts::None;
+
 };
 
 [[nodiscard]] int HistoryServiceMsgRadius();

Telegram/SourceFiles/ui/effects/message_sending_animation_common.h

@@ -0,0 +1,17 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace Ui {
+
+struct MessageSendingAnimationFrom {
+	std::optional<MsgId> localId;
+	QRect globalStartGeometry;
+};
+
+} // namespace Ui

Telegram/SourceFiles/ui/effects/message_sending_animation_controller.cpp

@@ -0,0 +1,217 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "ui/effects/message_sending_animation_controller.h"
+
+#include "history/history_item.h"
+#include "history/view/history_view_element.h"
+#include "history/view/history_view_list_widget.h" // kItemRevealDuration
+#include "history/view/media/history_view_media.h"
+#include "main/main_session.h"
+#include "mainwidget.h"
+#include "ui/chat/chat_style.h"
+#include "ui/chat/chat_theme.h"
+#include "ui/effects/animation_value.h"
+#include "ui/effects/animation_value_f.h"
+#include "ui/effects/animations.h"
+#include "ui/rp_widget.h"
+#include "window/window_session_controller.h"
+
+namespace Ui {
+namespace {
+
+class Content final : public RpWidget {
+public:
+	Content(
+		not_null<RpWidget*> parent,
+		not_null<Window::SessionController*> controller,
+		QRect globalGeometryFrom,
+		MessageSendingAnimationController::SendingInfoTo &&to);
+
+	[[nodiscard]] rpl::producer<> destroyRequests() const;
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	void updateCache();
+
+	const not_null<Window::SessionController*> _controller;
+	not_null<HistoryItem*> _item;
+	not_null<ChatTheme*> _theme;
+	not_null<HistoryView::Media*> _media;
+	QImage _cache;
+	QRect _from;
+	QRect _to;
+
+	Animations::Simple _animation;
+	float64 _minScale = 0;
+
+	rpl::event_stream<> _destroyRequests;
+
+};
+
+Content::Content(
+	not_null<RpWidget*> parent,
+	not_null<Window::SessionController*> controller,
+	QRect globalGeometryFrom,
+	MessageSendingAnimationController::SendingInfoTo &&to)
+: RpWidget(parent)
+, _controller(controller)
+, _item(to.item)
+, _theme(to.theme)
+, _media(_item->mainView()->media())
+, _from(parent->mapFromGlobal(globalGeometryFrom)) {
+
+	show();
+	setAttribute(Qt::WA_TransparentForMouseEvents);
+	raise();
+
+	base::take(
+		to.globalEndGeometry
+	) | rpl::distinct_until_changed(
+	) | rpl::start_with_next([=](const QRect &r) {
+		_to = parent->mapFromGlobal(r);
+		_minScale = float64(_from.height()) / _to.height();
+	}, lifetime());
+
+	updateCache();
+
+	_controller->session().downloaderTaskFinished(
+	) | rpl::start_with_next([=] {
+		updateCache();
+	}, lifetime());
+
+	const auto innerContentRect = _media->contentRectForReactions();
+	auto animationCallback = [=](float64 value) {
+		auto resultFrom = QRect(
+			QPoint(),
+			_cache.size() / style::DevicePixelRatio());
+		resultFrom.moveCenter(_from.center());
+
+		const auto resultTo = _to.topLeft() + innerContentRect.topLeft();
+		moveToLeft(
+			anim::interpolate(resultFrom.x(), resultTo.x(), value),
+			anim::interpolate(resultFrom.y(), resultTo.y(), value));
+		update();
+
+		if (value == 1.) {
+			_destroyRequests.fire({});
+		}
+	};
+	animationCallback(0.);
+	_animation.start(
+		std::move(animationCallback),
+		0.,
+		1.,
+		HistoryView::ListWidget::kItemRevealDuration);
+}
+
+void Content::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+
+	p.fillRect(e->rect(), Qt::transparent);
+
+	if (_cache.isNull()) {
+		return;
+	}
+
+	const auto progress = _animation.value(_animation.animating() ? 0. : 1.);
+
+	const auto scale = anim::interpolateF(_minScale, 1., progress);
+
+	const auto size = _cache.size() / style::DevicePixelRatio();
+	p.translate(
+		(1 - progress) * ((size.width() - (size.width() * _minScale)) / 2),
+		(1 - progress) * ((size.height() - (size.height() * _minScale)) / 2));
+	p.scale(scale, scale);
+	p.drawImage(QPoint(), _cache);
+}
+
+rpl::producer<> Content::destroyRequests() const {
+	return _destroyRequests.events();
+}
+
+void Content::updateCache() {
+	const auto innerContentRect = _media->contentRectForReactions();
+	_cache = QImage(
+		innerContentRect.size() * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	_cache.setDevicePixelRatio(style::DevicePixelRatio());
+	_cache.fill(Qt::transparent);
+	{
+		Painter p(&_cache);
+		PainterHighQualityEnabler hq(p);
+
+		auto context = _controller->preparePaintContext({
+			.theme = _theme,
+	 	});
+	 	using Context = Ui::ChatPaintContext;
+		context.skipDrawingParts = Context::SkipDrawingParts::Surrounding;
+		context.outbg = true;
+		p.translate(-innerContentRect.left(), -innerContentRect.top());
+		_media->draw(p, context);
+	}
+	resize(
+		_cache.width() / style::DevicePixelRatio(),
+		_cache.height() / style::DevicePixelRatio());
+}
+
+} // namespace
+
+MessageSendingAnimationController::MessageSendingAnimationController(
+	not_null<Window::SessionController*> controller)
+: _controller(controller) {
+}
+
+void MessageSendingAnimationController::appendSending(
+		MessageSendingAnimationFrom from) {
+	if (anim::Disabled()) {
+		return;
+	}
+	if (from.localId) {
+		_itemSendPending[*from.localId] = from.globalStartGeometry;
+	}
+}
+
+void MessageSendingAnimationController::startAnimation(SendingInfoTo &&to) {
+	if (anim::Disabled()) {
+		return;
+	}
+	const auto container = _controller->content();
+	const auto item = to.item;
+
+	const auto it = _itemSendPending.find(item->fullId().msg);
+	if (it == end(_itemSendPending)) {
+		return;
+	}
+	const auto msg = it->first;
+
+	auto content = base::make_unique_q<Content>(
+		container,
+		_controller,
+		it->second,
+		std::move(to));
+	content->destroyRequests(
+	) | rpl::start_with_next([=] {
+		_itemSendPending.erase(msg);
+		_processing.erase(item);
+	}, content->lifetime());
+
+	_processing.emplace(item, std::move(content));
+}
+
+bool MessageSendingAnimationController::hasLocalMessage(MsgId msgId) const {
+	return _itemSendPending.contains(msgId);
+}
+
+bool MessageSendingAnimationController::hasAnimatedMessage(
+		not_null<HistoryItem*> item) const {
+	return _processing.contains(item);
+}
+
+} // namespace Ui

Telegram/SourceFiles/ui/effects/message_sending_animation_controller.h

@@ -0,0 +1,50 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/unique_qptr.h"
+#include "ui/effects/message_sending_animation_common.h"
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Ui {
+
+class RpWidget;
+class ChatTheme;
+
+class MessageSendingAnimationController final {
+public:
+	explicit MessageSendingAnimationController(
+		not_null<Window::SessionController*> controller);
+
+	struct SendingInfoTo {
+		rpl::producer<QRect> globalEndGeometry;
+		not_null<HistoryItem*> item;
+		not_null<Ui::ChatTheme*> theme;
+	};
+
+	void appendSending(MessageSendingAnimationFrom from);
+	void startAnimation(SendingInfoTo &&to);
+
+	[[nodiscard]] bool hasLocalMessage(MsgId msgId) const;
+	[[nodiscard]] bool hasAnimatedMessage(not_null<HistoryItem*> item) const;
+
+private:
+
+	const not_null<Window::SessionController*> _controller;
+	base::flat_map<MsgId, QRect> _itemSendPending;
+
+	base::flat_map<
+		not_null<HistoryItem*>,
+		base::unique_qptr<RpWidget>> _processing;
+
+};
+
+} // namespace Ui

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -52,6 +52,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/chat/message_bubble.h"
 #include "ui/chat/chat_style.h"
 #include "ui/chat/chat_theme.h"
+#include "ui/effects/message_sending_animation_controller.h"
 #include "ui/style/style_palette_colorizer.h"
 #include "ui/toast/toast.h"
 #include "ui/toasts/common_toasts.h"
@@ -526,6 +527,8 @@ SessionController::SessionController(
 , _window(window)
 , _emojiInteractions(
 	std::make_unique<ChatHelpers::EmojiInteractions>(session))
+, _sendingAnimation(
+	std::make_unique<Ui::MessageSendingAnimationController>(this))
 , _tabbedSelector(
 	std::make_unique<ChatHelpers::TabbedSelector>(
 		_window->widget(),
@@ -627,6 +630,11 @@ not_null<::MainWindow*> SessionController::widget() const {
 	return _window->widget();
 }
 
+auto SessionController::sendingAnimation() const
+-> Ui::MessageSendingAnimationController & {
+	return *_sendingAnimation;
+}
+
 auto SessionController::tabbedSelector() const
 -> not_null<ChatHelpers::TabbedSelector*> {
 	return _tabbedSelector.get();

Telegram/SourceFiles/window/window_session_controller.h

@@ -50,6 +50,7 @@ struct ChatThemeKey;
 struct ChatPaintContext;
 struct ChatThemeBackground;
 struct ChatThemeBackgroundData;
+class MessageSendingAnimationController;
 } // namespace Ui
 
 namespace Data {
@@ -279,6 +280,8 @@ public:
 		Ui::LayerOptions options = Ui::LayerOption::KeepOther,
 		anim::type animated = anim::type::normal);
 
+	[[nodiscard]] auto sendingAnimation() const
+	-> Ui::MessageSendingAnimationController &;
 	[[nodiscard]] auto tabbedSelector() const
 	-> not_null<ChatHelpers::TabbedSelector*>;
 	void takeTabbedSelectorOwnershipFrom(not_null<QWidget*> parent);
@@ -509,6 +512,9 @@ private:
 	const not_null<Controller*> _window;
 	const std::unique_ptr<ChatHelpers::EmojiInteractions> _emojiInteractions;
 
+	using SendingAnimation = Ui::MessageSendingAnimationController;
+	const std::unique_ptr<SendingAnimation> _sendingAnimation;
+
 	std::unique_ptr<Passport::FormController> _passportForm;
 	std::unique_ptr<FiltersMenu> _filters;