70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "ui/widgets/continuous_sliders.h"
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namespace Media {
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namespace Player {
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struct TrackState;
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} // namespace Player
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namespace Clip {
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class Playback {
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public:
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Playback();
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void setValueChangedCallback(base::lambda<void(float64)> callback) {
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_valueChanged = std::move(callback);
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}
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void setInLoadingStateChangedCallback(base::lambda<void(bool)> callback) {
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_inLoadingStateChanged = std::move(callback);
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}
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void setValue(float64 value, bool animated);
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float64 value() const;
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float64 value(TimeMs ms);
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void updateState(const Player::TrackState &state);
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void updateLoadingState(float64 progress);
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private:
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void step_value(float64 ms, bool timer);
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// This can animate for a very long time (like in music playing),
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// so it should be a BasicAnimation, not an Animation.
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anim::value a_value;
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BasicAnimation _a_value;
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base::lambda<void(float64)> _valueChanged;
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bool _inLoadingState = false;
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base::lambda<void(bool)> _inLoadingStateChanged;
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int64 _position = 0;
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int64 _length = 0;
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bool _playing = false;
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};
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} // namespace Clip
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} // namespace Media
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