init

Telegram/SourceFiles/media/player/media_player_dropdown.h

@@ -0,0 +1,167 @@
+/*
+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 "base/timer.h"
+#include "media/media_common.h"
+#include "ui/rp_widget.h"
+#include "ui/effects/animations.h"
+
+namespace style {
+struct MediaSpeedMenu;
+struct MediaSpeedButton;
+struct DropdownMenu;
+} // namespace style
+
+namespace Ui {
+class DropdownMenu;
+class AbstractButton;
+class IconButton;
+} // namespace Ui
+
+namespace Ui::Menu {
+class Menu;
+} // namespace Ui::Menu
+
+namespace Media::Player {
+
+class Dropdown final : public Ui::RpWidget {
+public:
+	explicit Dropdown(QWidget *parent);
+
+	bool overlaps(const QRect &globalRect);
+
+	QMargins getMargin() const;
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+	void enterEventHook(QEnterEvent *e) override;
+	void leaveEventHook(QEvent *e) override;
+
+	bool eventFilter(QObject *obj, QEvent *e) override;
+
+private:
+	void startHide();
+	void startShow();
+
+	void otherEnter();
+	void otherLeave();
+
+	void appearanceCallback();
+	void hidingFinished();
+	void startAnimation();
+
+	bool _hiding = false;
+
+	QPixmap _cache;
+	Ui::Animations::Simple _a_appearance;
+
+	base::Timer _hideTimer;
+	base::Timer _showTimer;
+
+};
+
+class WithDropdownController {
+public:
+	WithDropdownController(
+		not_null<Ui::AbstractButton*> button,
+		not_null<QWidget*> menuParent,
+		const style::DropdownMenu &menuSt,
+		Qt::Alignment menuAlign,
+		Fn<void(bool)> menuOverCallback);
+	virtual ~WithDropdownController() = default;
+
+	[[nodiscard]] not_null<Ui::AbstractButton*> button() const;
+	Ui::DropdownMenu *menu() const;
+
+	void updateDropdownGeometry();
+	[[nodiscard]] rpl::producer<bool> menuToggledValue() const;
+
+	void hideTemporarily();
+	void showBack();
+
+protected:
+	void showMenu();
+
+private:
+	virtual void fillMenu(not_null<Ui::DropdownMenu*> menu) = 0;
+
+	const not_null<Ui::AbstractButton*> _button;
+	const not_null<QWidget*> _menuParent;
+	const style::DropdownMenu &_menuSt;
+	const Qt::Alignment _menuAlign = Qt::AlignTop | Qt::AlignRight;
+	const Fn<void(bool)> _menuOverCallback;
+	base::unique_qptr<Ui::DropdownMenu> _menu;
+	rpl::variable<bool> _menuToggled;
+	bool _temporarilyHidden = false;
+	bool _overButton = false;
+
+};
+
+class OrderController final : public WithDropdownController {
+public:
+	OrderController(
+		not_null<Ui::IconButton*> button,
+		not_null<QWidget*> menuParent,
+		Fn<void(bool)> menuOverCallback,
+		rpl::producer<OrderMode> value,
+		Fn<void(OrderMode)> change);
+
+private:
+	void fillMenu(not_null<Ui::DropdownMenu*> menu) override;
+	void updateIcon();
+
+	const not_null<Ui::IconButton*> _button;
+	rpl::variable<OrderMode> _appOrder;
+	Fn<void(OrderMode)> _change;
+
+};
+
+class SpeedController final : public WithDropdownController {
+public:
+	SpeedController(
+		not_null<Ui::AbstractButton*> button,
+		const style::MediaSpeedButton &st,
+		not_null<QWidget*> menuParent,
+		Fn<void(bool)> menuOverCallback,
+		Fn<float64(bool lastNonDefault)> value,
+		Fn<void(float64)> change,
+		std::vector<int> qualities = {},
+		Fn<VideoQuality()> quality = nullptr,
+		Fn<void(int)> changeQuality = nullptr);
+
+	[[nodiscard]] rpl::producer<> saved() const;
+	[[nodiscard]] rpl::producer<float64> realtimeValue() const;
+
+private:
+	void fillMenu(not_null<Ui::DropdownMenu*> menu) override;
+
+	[[nodiscard]] float64 speed() const;
+	[[nodiscard]] bool isDefault() const;
+	[[nodiscard]] float64 lastNonDefaultSpeed() const;
+	void toggleDefault();
+	void setSpeed(float64 newSpeed);
+	void setQuality(VideoQuality quality);
+	void save();
+
+	const style::MediaSpeedButton &_st;
+	Fn<float64(bool lastNonDefault)> _lookup;
+	Fn<void(float64)> _change;
+	float64 _speed = kSpedUpDefault;
+	bool _isDefault = true;
+	rpl::event_stream<float64> _speedChanged;
+	rpl::event_stream<> _saved;
+
+	std::vector<int> _qualities;
+	Fn<VideoQuality()> _lookupQuality;
+	Fn<void(int)> _changeQuality;
+	rpl::variable<VideoQuality> _quality;
+
+};
+
+} // namespace Media::Player