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Telegram/SourceFiles/media/view/media_view_playback_controls.h

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+/*
+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/rp_widget.h"
+#include "base/object_ptr.h"
+#include "media/media_common.h"
+
+namespace Ui {
+class LabelSimple;
+class FadeAnimation;
+class IconButton;
+class MediaSlider;
+class PopupMenu;
+} // namespace Ui
+
+namespace Media::Player {
+struct TrackState;
+class SettingsButton;
+class SpeedController;
+} // namespace Media::Player
+
+namespace Media::View {
+
+class PlaybackProgress;
+
+class PlaybackControls : public Ui::RpWidget {
+public:
+	class Delegate {
+	public:
+		virtual void playbackControlsPlay() = 0;
+		virtual void playbackControlsPause() = 0;
+		virtual void playbackControlsSeekProgress(crl::time position) = 0;
+		virtual void playbackControlsSeekFinished(crl::time position) = 0;
+		virtual void playbackControlsVolumeChanged(float64 volume) = 0;
+		[[nodiscard]] virtual float64 playbackControlsCurrentVolume() = 0;
+		virtual void playbackControlsVolumeToggled() = 0;
+		virtual void playbackControlsVolumeChangeFinished() = 0;
+		virtual void playbackControlsSpeedChanged(float64 speed) = 0;
+		[[nodiscard]] virtual float64 playbackControlsCurrentSpeed(
+			bool lastNonDefault) = 0;
+		[[nodiscard]] virtual auto playbackControlsQualities()
+			-> std::vector<int> = 0;
+		[[nodiscard]] virtual auto playbackControlsCurrentQuality()
+			-> VideoQuality = 0;
+		virtual void playbackControlsQualityChanged(int quality) = 0;
+		virtual void playbackControlsToFullScreen() = 0;
+		virtual void playbackControlsFromFullScreen() = 0;
+		virtual void playbackControlsToPictureInPicture() = 0;
+		virtual void playbackControlsRotate() = 0;
+	};
+
+	PlaybackControls(QWidget *parent, not_null<Delegate*> delegate);
+	~PlaybackControls();
+
+	void showAnimated();
+	void hideAnimated();
+
+	void updatePlayback(const Player::TrackState &state);
+	void setLoadingProgress(int64 ready, int64 total);
+	void setInFullScreen(bool inFullScreen);
+	[[nodiscard]] bool hasMenu() const;
+	[[nodiscard]] bool dragging() const;
+
+protected:
+	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+	void mousePressEvent(QMouseEvent *e) override;
+
+private:
+	void handleSeekProgress(float64 progress);
+	void handleSeekFinished(float64 progress);
+
+	template <typename Callback>
+	void startFading(Callback start);
+	void fadeFinished();
+	void fadeUpdated(float64 opacity);
+	void refreshFadeCache();
+	[[nodiscard]] float64 countDownloadedTillPercent(
+		const Player::TrackState &state) const;
+
+	void updatePlaybackSpeed(float64 speed);
+	void updateVolumeToggleIcon();
+	void updateDownloadProgressPosition();
+
+	void updatePlayPauseResumeState(const Player::TrackState &state);
+	void updateTimeTexts(const Player::TrackState &state);
+	void refreshTimeTexts();
+
+	[[nodiscard]] float64 speedLookup(bool lastNonDefault) const;
+	void saveSpeed(float64 speed);
+
+	void saveQuality(int quality);
+	void updateSpeedToggleQuality();
+
+	const not_null<Delegate*> _delegate;
+
+	bool _speedControllable = false;
+	std::vector<int> _qualitiesList;
+
+	bool _inFullScreen = false;
+	bool _showPause = false;
+	bool _childrenHidden = false;
+	QString _timeAlready, _timeLeft;
+	crl::time _seekPositionMs = -1;
+	crl::time _lastDurationMs = 0;
+	int64 _loadingReady = 0;
+	int64 _loadingTotal = 0;
+	int _loadingPercent = 0;
+
+	object_ptr<Ui::IconButton> _playPauseResume;
+	object_ptr<Ui::MediaSlider> _playbackSlider;
+	std::unique_ptr<PlaybackProgress> _playbackProgress;
+	std::unique_ptr<PlaybackProgress> _receivedTillProgress;
+	object_ptr<Ui::IconButton> _volumeToggle;
+	object_ptr<Ui::MediaSlider> _volumeController;
+	object_ptr<Player::SettingsButton> _speedToggle;
+	object_ptr<Ui::IconButton> _fullScreenToggle;
+	object_ptr<Ui::IconButton> _pictureInPicture;
+	object_ptr<Ui::LabelSimple> _playedAlready;
+	object_ptr<Ui::LabelSimple> _toPlayLeft;
+	object_ptr<Ui::LabelSimple> _downloadProgress = { nullptr };
+	std::unique_ptr<Player::SpeedController> _speedController;
+	std::unique_ptr<Ui::FadeAnimation> _fadeAnimation;
+
+};
+
+} // namespace Media::View