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Telegram/SourceFiles/media/player/media_player_panel.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 "base/timer.h"
+#include "ui/rp_widget.h"
+#include "ui/effects/animations.h"
+#include "info/info_controller.h"
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Ui {
+class ScrollArea;
+class Shadow;
+} // namespace Ui
+
+namespace Media {
+namespace Player {
+
+class CoverWidget;
+
+class Panel : public Ui::RpWidget, private Info::AbstractController {
+public:
+	Panel(
+		QWidget *parent,
+		not_null<Window::SessionController*> controller);
+
+	bool overlaps(const QRect &globalRect);
+
+	void hideIgnoringEnterEvents();
+
+	void showFromOther();
+	void hideFromOther();
+
+	int bestPositionFor(int left) const;
+
+protected:
+	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+	void enterEventHook(QEnterEvent *e) override;
+	void leaveEventHook(QEvent *e) override;
+
+private:
+	// Info::AbstractController implementation.
+	Info::Key key() const override;
+	PeerData *migrated() const override;
+	Info::Section section() const override;
+
+	void startShow();
+	void startHide();
+	void startHideChecked();
+	bool preventAutoHide() const;
+	void listHeightUpdated(int newHeight);
+	int emptyInnerHeight() const;
+	bool contentTooSmall() const;
+
+	void ensureCreated();
+	void performDestroy();
+
+	void updateControlsGeometry();
+	void refreshList();
+	void updateSize();
+	void appearanceCallback();
+	void hideFinished();
+	int contentLeft() const;
+	int contentTop() const;
+	int contentRight() const;
+	int contentBottom() const;
+	int scrollMarginBottom() const;
+	int contentWidth() const {
+		return width() - contentLeft() - contentRight();
+	}
+	int contentHeight() const {
+		return height() - contentTop() - contentBottom();
+	}
+
+	void startAnimation();
+	void scrollPlaylistToCurrentTrack();
+	not_null<Info::AbstractController*> infoController() {
+		return static_cast<Info::AbstractController*>(this);
+	}
+
+	bool _hiding = false;
+
+	QPixmap _cache;
+	Ui::Animations::Simple _a_appearance;
+
+	bool _ignoringEnterEvents = false;
+
+	base::Timer _showTimer;
+	base::Timer _hideTimer;
+
+	object_ptr<Ui::ScrollArea> _scroll;
+
+	rpl::lifetime _refreshListLifetime;
+	PeerData *_listPeer = nullptr;
+	PeerData *_listMusicPeer = nullptr;
+	PeerData *_listMigratedPeer = nullptr;
+
+};
+
+} // namespace Player
+} // namespace Media