Media player vector button added to new audio player cover.

Telegram/SourceFiles/media/player/media_player.style

@@ -22,16 +22,42 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 using "basic.style";
 using "ui/widgets/widgets.style";
 
+MediaPlayerButton {
+	playPosition: point;
+	playOuter: size;
+	pausePosition: point;
+	pauseOuter: size;
+	pauseStroke: pixels;
+	cancelPosition: point;
+	cancelOuter: size;
+	cancelStroke: pixels;
+}
+
 mediaPlayerTitleButtonSize: size(titleHeight, titleHeight);
 mediaPlayerTitleButtonInner: size(25px, 25px);
 mediaPlayerTitleButtonInnerBg: #49708f;
-mediaPlayerTitleButtonTransformDuration: 200;
+mediaPlayerButtonTransformDuration: 200;
 
-mediaPlayerTitleButtonPauseLeft: 8px;
+mediaPlayerTitleButton: MediaPlayerButton {
-mediaPlayerTitleButtonPauseTop: 8px;
+	playPosition: point(10px, 7px);
-mediaPlayerTitleButtonPauseStroke: 3px;
+	playOuter: size(29px, 25px);
-mediaPlayerTitleButtonPlayLeft: 10px;
+	pausePosition: point(8px, 8px);
-mediaPlayerTitleButtonPlayTop: 7px;
+	pauseOuter: size(25px, 25px);
+	pauseStroke: 3px;
+	cancelPosition: point(8px, 8px);
+	cancelOuter: size(25px, 25px);
+	cancelStroke: 2px;
+}
+mediaPlayerButton: MediaPlayerButton {
+	playPosition: point(3px, 0px);
+	playOuter: size(22px, 18px);
+	pausePosition: point(1px, 1px);
+	pauseOuter: size(16px, 18px);
+	pauseStroke: 5px;
+	cancelPosition: point(0px, 1px);
+	cancelOuter: size(16px, 18px);
+	cancelStroke: 3px;
+}
 
 mediaPlayerMarginLeft: 10px;
 mediaPlayerMarginBottom: 10px;
@@ -41,35 +67,28 @@ mediaPlayerCoverHeight: 102px;
 mediaPlayerActiveFg: #54b5ed;
 mediaPlayerInactiveFg: #dfebf2;
 
-mediaPlayerPlayButton: IconButton {
+mediaPlayerButtonSize: size(32px, 32px);
-	width: 32px;
+mediaPlayerButtonPosition: point(8px, 7px);
+
+mediaPlayerRepeatButton: IconButton {
+	width: 31px;
 	height: 32px;
 
 	opacity: 1.;
 	overOpacity: 1.;
 
 	icon: icon {
-		{ "player_play", mediaPlayerActiveFg, point(6px, 7px) },
+		{ "player_repeat", mediaPlayerActiveFg, point(9px, 9px)}
 	};
 	iconPosition: point(0px, 0px);
 	downIconPosition: point(0px, 0px);
 
 	duration: 0;
 }
-mediaPlayerPauseIcon: icon {
-	{ "player_pause", mediaPlayerActiveFg, point(9px, 8px) }
-};
-
-mediaPlayerRepeatButton: IconButton(mediaPlayerPlayButton) {
-	width: 31px;
-	icon: icon {
-		{ "player_repeat", mediaPlayerActiveFg, point(9px, 9px)}
-	};
-}
 mediaPlayerRepeatDisabledIcon: icon {
 	{ "player_repeat", mediaPlayerInactiveFg, point(9px, 9px)}
 };
-mediaPlayerPreviousButton: IconButton(mediaPlayerPlayButton) {
+mediaPlayerPreviousButton: IconButton(mediaPlayerRepeatButton) {
 	width: 37px;
 	icon: icon {
 		{ "player_previous", mediaPlayerActiveFg, point(10px, 10px) },

Telegram/SourceFiles/media/player/media_player_button.cpp

@@ -21,84 +21,8 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "stdafx.h"
 #include "media/player/media_player_button.h"
 
-#include "styles/style_media_player.h"
-#include "media/media_audio.h"
-#include "media/player/media_player_instance.h"
-#include "shortcuts.h"
-
 namespace Media {
 namespace Player {
-
-TitleButton::TitleButton(QWidget *parent) : Button(parent) {
-	setAttribute(Qt::WA_OpaquePaintEvent);
-	resize(st::mediaPlayerTitleButtonSize);
-
-	setClickedCallback([this]() {
-		if (exists()) {
-			if (_showPause) {
-				instance()->pause();
-			} else {
-				instance()->play();
-			}
-		}
-	});
-
-	if (exists()) {
-		subscribe(instance()->updatedNotifier(), [this](const UpdatedEvent &e) {
-			updatePauseState();
-		});
-		updatePauseState();
-		finishIconTransform();
-	}
-}
-
-void TitleButton::updatePauseState() {
-	AudioMsgId playing;
-	auto playbackState = audioPlayer()->currentState(&playing, AudioMsgId::Type::Song);
-	auto stopped = ((playbackState.state & AudioPlayerStoppedMask) || playbackState.state == AudioPlayerFinishing);
-	auto showPause = !stopped && (playbackState.state == AudioPlayerPlaying || playbackState.state == AudioPlayerResuming || playbackState.state == AudioPlayerStarting);
-	if (exists() && instance()->isSeeking()) {
-		showPause = true;
-	}
-	setShowPause(showPause);
-}
-
-void TitleButton::setShowPause(bool showPause) {
-	if (_showPause != showPause) {
-		_showPause = showPause;
-		_iconTransformToPause.start([this] { update(); }, _showPause ? 0. : 1., _showPause ? 1. : 0., st::mediaPlayerTitleButtonTransformDuration);
-		update();
-	}
-}
-
-void TitleButton::finishIconTransform() {
-	if (_iconTransformToPause.animating(getms())) {
-		_iconTransformToPause.finish();
-		update();
-	}
-}
-
-void TitleButton::paintEvent(QPaintEvent *e) {
-	Painter p(this);
-	p.fillRect(rect(), st::titleBg);
-
-	p.setBrush(st::mediaPlayerTitleButtonInnerBg);
-	p.setPen(Qt::NoPen);
-
-	p.setRenderHint(QPainter::HighQualityAntialiasing, true);
-	p.drawEllipse((width() - st::mediaPlayerTitleButtonInner.width()) / 2, (height() - st::mediaPlayerTitleButtonInner.height()) / 2, st::mediaPlayerTitleButtonInner.width(), st::mediaPlayerTitleButtonInner.height());
-	p.setRenderHint(QPainter::HighQualityAntialiasing, false);
-
-	paintIcon(p);
-}
-
-void TitleButton::onStateChanged(int oldState, ButtonStateChangeSource source) {
-	if ((oldState & StateOver) != (_state & StateOver)) {
-		auto over = (_state & StateOver);
-		_iconFg.start([this] { update(); }, over ? st::titleButtonFg->c : st::titleButtonActiveFg->c, over ? st::titleButtonActiveFg->c : st::titleButtonFg->c, st::titleButtonDuration);
-	}
-}
-
 namespace {
 
 template <int N>
@@ -119,35 +43,96 @@ QPainterPath interpolatePaths(QPointF (&from)[N], QPointF (&to)[N], float64 k) {
 
 } // namespace
 
-void TitleButton::paintIcon(Painter &p) {
+PlayButtonLayout::PlayButtonLayout(const style::MediaPlayerButton &st, State state, UpdateCallback &&callback)
-	auto over = (_state & StateOver);
+: _st(st)
-	auto icon = _iconFg.current(getms(), over ? st::titleButtonActiveFg->c : st::titleButtonFg->c);
+, _state(state)
-	auto showPause = _iconTransformToPause.current(getms(), _showPause ? 1. : 0.);
+, _oldState(state)
-	auto pauseWidth = st::mediaPlayerTitleButtonInner.width() - 2 * st::mediaPlayerTitleButtonPauseLeft;
+, _nextState(state)
-	auto playWidth = pauseWidth;
+, _callback(std_::move(callback)) {
-	auto pauseHeight = st::mediaPlayerTitleButtonInner.height() - 2 * st::mediaPlayerTitleButtonPauseTop;
+}
-	auto playHeight = st::mediaPlayerTitleButtonInner.height() - 2 * st::mediaPlayerTitleButtonPlayTop;
-	auto pauseStroke = st::mediaPlayerTitleButtonPauseStroke;
 
-	qreal left = (width() - st::mediaPlayerTitleButtonInner.width()) / 2;
+void PlayButtonLayout::setState(State state) {
-	qreal top = (height() - st::mediaPlayerTitleButtonInner.height()) / 2;
+	if (_nextState == state) return;
 
-	auto pauseLeft = left + st::mediaPlayerTitleButtonPauseLeft;
+	_nextState = state;
-	auto playLeft = left + st::mediaPlayerTitleButtonPlayLeft;
+	if (!_transformProgress.animating(getms())) {
-	auto pauseTop = top + st::mediaPlayerTitleButtonPauseTop;
+		_oldState = _state;
-	auto playTop = top + st::mediaPlayerTitleButtonPlayTop;
+		_state = _nextState;
+		_transformBackward = false;
+		if (_state != _oldState) startTransform(0., 1.);
+	} else if (_oldState == _nextState) {
+		qSwap(_oldState, _state);
+		startTransform(_transformBackward ? 0. : 1., _transformBackward ? 1. : 0.);
+		_transformBackward = !_transformBackward;
+	}
+}
+
+void PlayButtonLayout::paint(Painter &p, const QBrush &brush) {
+	if (_transformProgress.animating(getms())) {
+		auto from = _oldState, to = _state;
+		auto backward = _transformBackward;
+		auto progress = _transformProgress.current(1.);
+		if (from == State::Cancel || (from == State::Pause && to == State::Play)) {
+			qSwap(from, to);
+			backward = !backward;
+		}
+		if (backward) progress = 1. - progress;
+
+		t_assert(from != to);
+		if (from == State::Play) {
+			if (to == State::Pause) {
+				paintPlayToPause(p, brush, progress);
+			} else {
+				t_assert(to == State::Cancel);
+				paintPlayToCancel(p, brush, progress);
+			}
+		} else {
+			t_assert(from == State::Pause && to == State::Cancel);
+			paintPauseToCancel(p, brush, progress);
+		}
+	} else {
+		switch (_state) {
+		case State::Play: paintPlay(p, brush); break;
+		case State::Pause: paintPlayToPause(p, brush, 1.); break;
+		case State::Cancel: paintPlayToCancel(p, brush, 1.); break;
+		}
+	}
+}
+
+void PlayButtonLayout::paintPlay(Painter &p, const QBrush &brush) {
+	auto playLeft = 0. + _st.playPosition.x();
+	auto playTop = 0. + _st.playPosition.y();
+	auto playWidth = _st.playOuter.width() - 2 * playLeft;
+	auto playHeight = _st.playOuter.height() - 2 * playTop;
 
-	p.setRenderHint(QPainter::HighQualityAntialiasing, true);
 	p.setPen(Qt::NoPen);
+	p.setRenderHint(QPainter::HighQualityAntialiasing, true);
 
-	if (showPause == 0.) {
 	QPainterPath pathPlay;
 	pathPlay.moveTo(playLeft, playTop);
 	pathPlay.lineTo(playLeft + playWidth, playTop + (playHeight / 2.));
 	pathPlay.lineTo(playLeft, playTop + playHeight);
 	pathPlay.lineTo(playLeft, playTop);
-		p.fillPath(pathPlay, icon);
+	p.fillPath(pathPlay, brush);
-	} else {
+
+	p.setRenderHint(QPainter::HighQualityAntialiasing, false);
+}
+
+void PlayButtonLayout::paintPlayToPause(Painter &p, const QBrush &brush, float64 progress) {
+	auto playLeft = 0. + _st.playPosition.x();
+	auto playTop = 0. + _st.playPosition.y();
+	auto playWidth = _st.playOuter.width() - 2 * playLeft;
+	auto playHeight = _st.playOuter.height() - 2 * playTop;
+
+	auto pauseLeft = 0. + _st.pausePosition.x();
+	auto pauseTop = 0. + _st.pausePosition.y();
+	auto pauseWidth = _st.pauseOuter.width() - 2 * pauseLeft;
+	auto pauseHeight = _st.pauseOuter.height() - 2 * pauseTop;
+	auto pauseStroke = 0. + _st.pauseStroke;
+
+	p.setPen(Qt::NoPen);
+	p.setRenderHint(QPainter::HighQualityAntialiasing, true);
+
 	QPointF pathLeftPause[] = {
 		{ pauseLeft, pauseTop },
 		{ pauseLeft + pauseStroke, pauseTop },
@@ -160,7 +145,7 @@ void TitleButton::paintIcon(Painter &p) {
 		{ playLeft + (playWidth / 2.), playTop + (3 * playHeight / 4.) },
 		{ playLeft, playTop + playHeight },
 	};
-		p.fillPath(interpolatePaths(pathLeftPause, pathLeftPlay, showPause), icon);
+	p.fillPath(interpolatePaths(pathLeftPause, pathLeftPlay, progress), brush);
 
 	QPointF pathRightPause[] = {
 		{ pauseLeft + pauseWidth - pauseStroke, pauseTop },
@@ -174,10 +159,31 @@ void TitleButton::paintIcon(Painter &p) {
 		{ playLeft + playWidth, playTop + (playHeight / 2.) },
 		{ playLeft + (playWidth / 2.), playTop + (3 * playHeight / 4.) },
 	};
-		p.fillPath(interpolatePaths(pathRightPause, pathRightPlay, showPause), icon);
+	p.fillPath(interpolatePaths(pathRightPause, pathRightPlay, progress), brush);
-	}
+
 	p.setRenderHint(QPainter::HighQualityAntialiasing, false);
 }
 
+void PlayButtonLayout::paintPlayToCancel(Painter &p, const QBrush &brush, float64 progress) {
+
+}
+
+void PlayButtonLayout::paintPauseToCancel(Painter &p, const QBrush &brush, float64 progress) {
+
+}
+
+void PlayButtonLayout::animationCallback() {
+	if (!_transformProgress.animating()) {
+		auto finalState = _nextState;
+		_nextState = _state;
+		setState(finalState);
+	}
+	_callback();
+}
+
+void PlayButtonLayout::startTransform(float64 from, float64 to) {
+	_transformProgress.start([this] { animationCallback(); }, from, to, st::mediaPlayerButtonTransformDuration);
+}
+
 } // namespace Player
 } // namespace Media

Telegram/SourceFiles/media/player/media_player_button.h

@@ -21,30 +21,40 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #pragma once
 
 #include "ui/button.h"
+#include "styles/style_media_player.h"
 
 namespace Media {
 namespace Player {
 
-class TitleButton : public Button, private base::Subscriber {
+class PlayButtonLayout {
 public:
-	TitleButton(QWidget *parent);
+	enum class State {
+		Play,
+		Pause,
+		Cancel,
+	};
+	using UpdateCallback = FloatAnimation::Callback;
+	PlayButtonLayout(const style::MediaPlayerButton &st, State state, UpdateCallback &&callback);
 
-	void updatePauseState();
+	void setState(State state);
-
+	void paint(Painter &p, const QBrush &brush);
-protected:
-	void paintEvent(QPaintEvent *e) override;
-
-	void onStateChanged(int oldState, ButtonStateChangeSource source) override;
 
 private:
-	void paintIcon(Painter &p);
+	void animationCallback();
+	void startTransform(float64 from, float64 to);
 
-	void setShowPause(bool showPause);
+	void paintPlay(Painter &p, const QBrush &brush);
-	void finishIconTransform();
+	void paintPlayToPause(Painter &p, const QBrush &brush, float64 progress);
+	void paintPlayToCancel(Painter &p, const QBrush &brush, float64 progress);
+	void paintPauseToCancel(Painter &p, const QBrush &brush, float64 progress);
 
-	bool _showPause = true;
+	const style::MediaPlayerButton &_st;
-	FloatAnimation _iconTransformToPause;
+
-	ColorAnimation _iconFg;
+	State _state, _oldState, _nextState;
+	FloatAnimation _transformProgress;
+	bool _transformBackward = false;
+
+	UpdateCallback _callback;
 
 };
 

Telegram/SourceFiles/media/player/media_player_cover.cpp

@@ -26,6 +26,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "ui/buttons/icon_button.h"
 #include "media/media_audio.h"
 #include "media/view/media_clip_playback.h"
+#include "media/player/media_player_button.h"
 #include "media/player/media_player_instance.h"
 #include "media/player/media_player_volume_controller.h"
 #include "styles/style_media_player.h"
@@ -35,11 +36,42 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 namespace Media {
 namespace Player {
 
+class CoverWidget::PlayButton : public Button {
+public:
+	PlayButton(QWidget *parent);
+
+	using State = PlayButtonLayout::State;
+	void setState(State state);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	PlayButtonLayout _layout;
+
+};
+
+CoverWidget::PlayButton::PlayButton(QWidget *parent) : Button(parent)
+, _layout(st::mediaPlayerButton, State::Pause, [this] { update(); }) {
+	resize(st::mediaPlayerButtonSize);
+}
+
+void CoverWidget::PlayButton::setState(State state) {
+	_layout.setState(state);
+}
+
+void CoverWidget::PlayButton::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+
+	p.translate(st::mediaPlayerButtonPosition.x(), st::mediaPlayerButtonPosition.y());
+	_layout.paint(p, st::mediaPlayerActiveFg);
+}
+
 CoverWidget::CoverWidget(QWidget *parent) : TWidget(parent)
 , _nameLabel(this, st::mediaPlayerName)
 , _timeLabel(this, st::mediaPlayerTime)
 , _playback(this, st::mediaPlayerPlayback)
-, _playPause(this, st::mediaPlayerPlayButton)
+, _playPause(this)
 , _volumeController(this)
 , _repeatTrack(this, st::mediaPlayerRepeatButton) {
 	setAttribute(Qt::WA_OpaquePaintEvent);
@@ -51,9 +83,7 @@ CoverWidget::CoverWidget(QWidget *parent) : TWidget(parent)
 		handleSeekFinished(value);
 	});
 
-	if (_showPause) {
+	_playPause->setState(_showPause ? PlayButton::State::Pause : PlayButton::State::Play);
-		_playPause->setIcon(&st::mediaPlayerPauseIcon);
-	}
 	_playPause->setClickedCallback([this]() {
 		if (exists()) {
 			if (_showPause) {
@@ -173,7 +203,7 @@ void CoverWidget::handleSongUpdate(const UpdatedEvent &e) {
 	}
 	if (_showPause != showPause) {
 		_showPause = showPause;
-		_playPause->setIcon(_showPause ? &st::mediaPlayerPauseIcon : nullptr);
+		_playPause->setState(showPause ? PlayButton::State::Pause : PlayButton::State::Play);
 	}
 
 	updateTimeText(audioId, playbackState);

Telegram/SourceFiles/media/player/media_player_cover.h

@@ -69,11 +69,12 @@ private:
 	int64 _lastDurationMs = 0;
 	QString _time;
 
+	class PlayButton;
 	ChildWidget<FlatLabel> _nameLabel;
 	ChildWidget<Ui::LabelSimple> _timeLabel;
 	ChildWidget<Clip::Playback> _playback;
 	ChildWidget<Ui::IconButton> _previousTrack = { nullptr };
-	ChildWidget<Ui::IconButton> _playPause;
+	ChildWidget<PlayButton> _playPause;
 	ChildWidget<Ui::IconButton> _nextTrack = { nullptr };
 	ChildWidget<VolumeController> _volumeController;
 	ChildWidget<Ui::IconButton> _repeatTrack;

Telegram/SourceFiles/media/player/media_player_title_button.cpp

@@ -0,0 +1,111 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#include "stdafx.h"
+#include "media/player/media_player_title_button.h"
+
+#include "media/player/media_player_button.h"
+#include "media/media_audio.h"
+#include "media/player/media_player_instance.h"
+#include "shortcuts.h"
+
+namespace Media {
+namespace Player {
+
+using State = PlayButtonLayout::State;
+
+TitleButton::TitleButton(QWidget *parent) : Button(parent)
+, _layout(std_::make_unique<PlayButtonLayout>(st::mediaPlayerTitleButton, State::Pause, [this] { update(); })) {
+	setAttribute(Qt::WA_OpaquePaintEvent);
+	resize(st::mediaPlayerTitleButtonSize);
+
+	setClickedCallback([this]() {
+		if (exists()) {
+			if (_showPause) {
+				instance()->pause();
+			} else {
+				instance()->play();
+			}
+		}
+	});
+
+	if (exists()) {
+		subscribe(instance()->updatedNotifier(), [this](const UpdatedEvent &e) {
+			updatePauseState();
+		});
+		updatePauseState();
+	}
+}
+
+void TitleButton::updatePauseState() {
+	AudioMsgId playing;
+	auto playbackState = audioPlayer()->currentState(&playing, AudioMsgId::Type::Song);
+	auto stopped = ((playbackState.state & AudioPlayerStoppedMask) || playbackState.state == AudioPlayerFinishing);
+	auto showPause = !stopped && (playbackState.state == AudioPlayerPlaying || playbackState.state == AudioPlayerResuming || playbackState.state == AudioPlayerStarting);
+	if (exists() && instance()->isSeeking()) {
+		showPause = true;
+	}
+	setShowPause(showPause);
+}
+
+void TitleButton::setShowPause(bool showPause) {
+	if (_showPause != showPause) {
+		_showPause = showPause;
+		_layout->setState(_showPause ? PlayButtonLayout::State::Pause : PlayButtonLayout::State::Play);
+		update();
+	}
+}
+
+void TitleButton::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+	p.fillRect(rect(), st::titleBg);
+
+	p.setBrush(st::mediaPlayerTitleButtonInnerBg);
+	p.setPen(Qt::NoPen);
+
+	p.setRenderHint(QPainter::HighQualityAntialiasing, true);
+	p.drawEllipse((width() - st::mediaPlayerTitleButtonInner.width()) / 2, (height() - st::mediaPlayerTitleButtonInner.height()) / 2, st::mediaPlayerTitleButtonInner.width(), st::mediaPlayerTitleButtonInner.height());
+	p.setRenderHint(QPainter::HighQualityAntialiasing, false);
+
+	paintIcon(p);
+}
+
+void TitleButton::onStateChanged(int oldState, ButtonStateChangeSource source) {
+	if ((oldState & StateOver) != (_state & StateOver)) {
+		auto over = (_state & StateOver);
+		_iconFg.start([this] { update(); }, over ? st::titleButtonFg->c : st::titleButtonActiveFg->c, over ? st::titleButtonActiveFg->c : st::titleButtonFg->c, st::titleButtonDuration);
+	}
+}
+
+void TitleButton::paintIcon(Painter &p) {
+	auto over = (_state & StateOver);
+	auto icon = _iconFg.current(getms(), over ? st::titleButtonActiveFg->c : st::titleButtonFg->c);
+
+	auto left = (width() - st::mediaPlayerTitleButtonInner.width()) / 2;
+	auto top = (height() - st::mediaPlayerTitleButtonInner.height()) / 2;
+	p.translate(left, top);
+
+	_layout->paint(p, icon);
+}
+
+TitleButton::~TitleButton() = default;
+
+} // namespace Player
+} // namespace Media

Telegram/SourceFiles/media/player/media_player_title_button.h

@@ -0,0 +1,54 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+#include "ui/button.h"
+
+namespace Media {
+namespace Player {
+
+class PlayButtonLayout;
+
+class TitleButton : public Button, private base::Subscriber {
+public:
+	TitleButton(QWidget *parent);
+
+	void updatePauseState();
+
+	~TitleButton();
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+	void onStateChanged(int oldState, ButtonStateChangeSource source) override;
+
+private:
+	void paintIcon(Painter &p);
+	void setShowPause(bool showPause);
+
+	bool _showPause = true;
+	std_::unique_ptr<PlayButtonLayout> _layout;
+	ColorAnimation _iconFg;
+
+};
+
+} // namespace Clip
+} // namespace Media

Telegram/SourceFiles/title.cpp

@@ -28,7 +28,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "boxes/contactsbox.h"
 #include "boxes/aboutbox.h"
 #include "media/media_audio.h"
-#include "media/player/media_player_button.h"
+#include "media/player/media_player_title_button.h"
 #include "media/player/media_player_widget.h"
 #include "media/player/media_player_instance.h"
 

Telegram/gyp/Telegram.gyp

@@ -268,6 +268,8 @@
       '<(src_loc)/media/player/media_player_instance.h',
       '<(src_loc)/media/player/media_player_list.cpp',
       '<(src_loc)/media/player/media_player_list.h',
+      '<(src_loc)/media/player/media_player_title_button.cpp',
+      '<(src_loc)/media/player/media_player_title_button.h',
       '<(src_loc)/media/player/media_player_volume_controller.cpp',
       '<(src_loc)/media/player/media_player_volume_controller.h',
       '<(src_loc)/media/player/media_player_widget.cpp',