tdesktop/Telegram/SourceFiles/media/view/media_clip_controller.h

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/*
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) 2014-2017 John Preston, https://desktop.telegram.org
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*/
#pragma once
namespace Ui {
class LabelSimple;
class FadeAnimation;
class IconButton;
} // namespace Ui
namespace Media {
namespace Player {
struct TrackState;
} // namespace Player
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namespace Clip {
class Playback;
class VolumeController;
class Controller : public TWidget {
Q_OBJECT
public:
Controller(QWidget *parent);
void showAnimated();
void hideAnimated();
void updatePlayback(const Player::TrackState &state);
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void setInFullScreen(bool inFullScreen);
void grabStart() override;
void grabFinish() override;
~Controller();
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signals:
void playPressed();
void pausePressed();
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void seekProgress(TimeMs positionMs);
void seekFinished(TimeMs positionMs);
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void volumeChanged(float64 volume);
void toFullScreenPressed();
void fromFullScreenPressed();
protected:
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
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private:
void handleSeekProgress(float64 progress);
void handleSeekFinished(float64 progress);
template <typename Callback>
void startFading(Callback start);
void fadeFinished();
void fadeUpdated(float64 opacity);
void updatePlayPauseResumeState(const Player::TrackState &state);
void updateTimeTexts(const Player::TrackState &state);
void refreshTimeTexts();
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bool _showPause = false;
QString _timeAlready, _timeLeft;
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TimeMs _seekPositionMs = -1;
TimeMs _lastDurationMs = 0;
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object_ptr<Ui::IconButton> _playPauseResume;
std::unique_ptr<Playback> _playback;
object_ptr<VolumeController> _volumeController;
object_ptr<Ui::IconButton> _fullScreenToggle;
object_ptr<Ui::LabelSimple> _playedAlready;
object_ptr<Ui::LabelSimple> _toPlayLeft;
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std::unique_ptr<Ui::FadeAnimation> _fadeAnimation;
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};
} // namespace Clip
} // namespace Media