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.
		
			
				
	
	
		
			56 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
 | 
						|
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 "ui/widgets/continuous_sliders.h"
 | 
						|
 | 
						|
namespace Media {
 | 
						|
namespace Player {
 | 
						|
struct TrackState;
 | 
						|
} // namespace Player
 | 
						|
 | 
						|
namespace Clip {
 | 
						|
 | 
						|
class Playback {
 | 
						|
public:
 | 
						|
	Playback();
 | 
						|
 | 
						|
	void setValueChangedCallback(Fn<void(float64)> callback) {
 | 
						|
		_valueChanged = std::move(callback);
 | 
						|
	}
 | 
						|
	void setInLoadingStateChangedCallback(Fn<void(bool)> callback) {
 | 
						|
		_inLoadingStateChanged = std::move(callback);
 | 
						|
	}
 | 
						|
	void setValue(float64 value, bool animated);
 | 
						|
	float64 value() const;
 | 
						|
	float64 value(TimeMs ms);
 | 
						|
 | 
						|
	void updateState(const Player::TrackState &state);
 | 
						|
	void updateLoadingState(float64 progress);
 | 
						|
 | 
						|
private:
 | 
						|
	void step_value(float64 ms, bool timer);
 | 
						|
 | 
						|
	// This can animate for a very long time (like in music playing),
 | 
						|
	// so it should be a BasicAnimation, not an Animation.
 | 
						|
	anim::value a_value;
 | 
						|
	BasicAnimation _a_value;
 | 
						|
	Fn<void(float64)> _valueChanged;
 | 
						|
 | 
						|
	bool _inLoadingState = false;
 | 
						|
	Fn<void(bool)> _inLoadingStateChanged;
 | 
						|
 | 
						|
	int64 _position = 0;
 | 
						|
	int64 _length = 0;
 | 
						|
 | 
						|
	bool _playing = false;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
} // namespace Clip
 | 
						|
} // namespace Media
 |