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https://github.com/telegramdesktop/tdesktop
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dd81f5d59f
base::lambda -> Fn (type alias for std::function). base::lambda_once -> FnMut (type alias for base::unique_function). base::lambda_guarded -> crl::guard. base::lambda_call_type_t -> crl::deduced_call_type.
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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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(Fn<void(float64)> callback) {
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_valueChanged = std::move(callback);
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}
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void setInLoadingStateChangedCallback(Fn<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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Fn<void(float64)> _valueChanged;
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bool _inLoadingState = false;
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Fn<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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