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Telegram/SourceFiles/media/player/media_player_widget.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 "data/data_audio_msg_id.h"
+#include "ui/rp_widget.h"
+#include "base/object_ptr.h"
+
+class AudioMsgId;
+
+namespace Ui {
+class FlatLabel;
+class LabelSimple;
+class IconButton;
+class PlainShadow;
+class FilledSlider;
+template <typename Widget>
+class FadeWrap;
+} // namespace Ui
+
+namespace Media {
+enum class OrderMode;
+} // namespace Media
+
+namespace Media::View {
+class PlaybackProgress;
+} // namespace Media::View
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Media::Player {
+
+class Dropdown;
+class SpeedButton;
+class OrderController;
+class SpeedController;
+struct TrackState;
+
+class Widget final : public Ui::RpWidget {
+public:
+	Widget(
+		QWidget *parent,
+		not_null<Ui::RpWidget*> dropdownsParent,
+		not_null<Window::SessionController*> controller);
+	~Widget();
+
+	void setCloseCallback(Fn<void()> callback);
+	void setShowItemCallback(Fn<void(not_null<const HistoryItem*>)> callback);
+	void stopAndClose();
+	void setShadowGeometryToLeft(int x, int y, int w, int h);
+	void hideShadowAndDropdowns();
+	void showShadowAndDropdowns();
+	void updateDropdownsGeometry();
+	void raiseDropdowns();
+
+	[[nodiscard]] rpl::producer<bool> togglePlaylistRequests() const {
+		return _togglePlaylistRequests.events();
+	}
+
+private:
+	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+
+	void enterEventHook(QEnterEvent *e) override;
+	void leaveEventHook(QEvent *e) override;
+	void mouseMoveEvent(QMouseEvent *e) override;
+	void mousePressEvent(QMouseEvent *e) override;
+	void mouseReleaseEvent(QMouseEvent *e) override;
+
+	[[nodiscard]] not_null<Ui::RpWidget*> rightControls();
+	void setupRightControls();
+
+	void handleSeekProgress(float64 progress);
+	void handleSeekFinished(float64 progress);
+
+	[[nodiscard]] int getNameLeft() const;
+	[[nodiscard]] int getNameRight() const;
+	[[nodiscard]] int getTimeRight() const;
+	void updateOverLabelsState(QPoint pos);
+	void updateOverLabelsState(bool over);
+	void hidePlaylistOn(not_null<Ui::RpWidget*> widget);
+
+	void updatePlayPrevNextPositions();
+	void updateLabelsGeometry();
+	void updateRepeatToggleIcon();
+	void updateControlsVisibility();
+	void updateControlsGeometry();
+	void updateControlsWrapGeometry();
+	void updateControlsWrapVisibility();
+	void createPrevNextButtons();
+	void destroyPrevNextButtons();
+
+	bool hasPlaybackSpeedControl() const;
+	void updateVolumeToggleIcon();
+
+	void checkForTypeChange();
+	void setType(AudioMsgId::Type type);
+	void handleSongUpdate(const TrackState &state);
+	void handleSongChange();
+	void handlePlaylistUpdate();
+
+	void updateTimeText(const TrackState &state);
+	void updateTimeLabel();
+	void markOver(bool over);
+
+	void saveOrder(OrderMode mode);
+	[[nodiscard]] float64 speedLookup(bool lastNonDefault) const;
+	void saveSpeed(float64 speed);
+
+	const not_null<Window::SessionController*> _controller;
+	const not_null<Ui::RpWidget*> _orderMenuParent;
+
+	crl::time _seekPositionMs = -1;
+	crl::time _lastDurationMs = 0;
+	QString _time;
+
+	// We display all the controls according to _type.
+	// We switch to Type::Voice if a voice/video message is played.
+	// We switch to Type::Song only if _voiceIsActive == false.
+	// We change _voiceIsActive to false only manually or from tracksFinished().
+	AudioMsgId::Type _type = AudioMsgId::Type::Unknown;
+	AudioMsgId _lastSongId;
+	bool _lastSongFromAnotherSession = false;
+	bool _voiceIsActive = false;
+	Fn<void()> _closeCallback;
+	Fn<void(not_null<const HistoryItem*>)> _showItemCallback;
+
+	bool _labelsOver = false;
+	bool _labelsDown = false;
+	rpl::event_stream<bool> _togglePlaylistRequests;
+	bool _narrow = false;
+	bool _over = false;
+	bool _wontBeOver = false;
+	bool _volumeHidden = false;
+
+	object_ptr<Ui::FlatLabel> _nameLabel;
+	object_ptr<Ui::FadeWrap<Ui::RpWidget>> _rightControls;
+	object_ptr<Ui::LabelSimple> _timeLabel;
+	object_ptr<Ui::IconButton> _previousTrack = { nullptr };
+	object_ptr<Ui::IconButton> _playPause;
+	object_ptr<Ui::IconButton> _nextTrack = { nullptr };
+	object_ptr<Ui::IconButton> _volumeToggle;
+	object_ptr<Ui::IconButton> _repeatToggle;
+	object_ptr<Ui::IconButton> _orderToggle;
+	object_ptr<SpeedButton> _speedToggle;
+	object_ptr<Ui::IconButton> _close;
+	object_ptr<Ui::PlainShadow> _shadow = { nullptr };
+	object_ptr<Ui::FilledSlider> _playbackSlider;
+	base::unique_qptr<Dropdown> _volume;
+	std::unique_ptr<View::PlaybackProgress> _playbackProgress;
+	std::unique_ptr<OrderController> _orderController;
+	std::unique_ptr<SpeedController> _speedController;
+
+	rpl::lifetime _playlistChangesLifetime;
+
+};
+
+} // namespace Media::Player