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Telegram/SourceFiles/calls/calls_video_bubble.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/rect_part.h"
+#include "ui/rp_widget.h"
+
+namespace Webrtc {
+class VideoTrack;
+enum class VideoState;
+} // namespace Webrtc
+
+namespace Calls {
+
+class VideoBubble final {
+public:
+	VideoBubble(
+		not_null<QWidget*> parent,
+		not_null<Webrtc::VideoTrack*> track);
+
+	enum class DragMode {
+		None,
+		SnapToCorners,
+	};
+	void updateGeometry(
+		DragMode mode,
+		QRect boundingRect,
+		QSize sizeMin = QSize(),
+		QSize sizeMax = QSize());
+	[[nodiscard]] QRect geometry() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime() {
+		return _content.lifetime();
+	}
+
+	void setMirrored(bool mirrored) {
+		_mirrored = mirrored;
+	}
+
+private:
+	void setup();
+	void paint();
+	void setState(Webrtc::VideoState state);
+	void applyDragMode(DragMode mode);
+	void applyBoundingRect(QRect rect);
+	void applySizeConstraints(QSize min, QSize max);
+	void updateSizeToFrame(QSize frame);
+	void updateVisibility();
+	void setInnerSize(QSize size);
+	void prepareFrame();
+
+	Ui::RpWidget _content;
+	const not_null<Webrtc::VideoTrack*> _track;
+	Webrtc::VideoState _state = Webrtc::VideoState();
+	QImage _frame, _pausedFrame;
+	QSize _min, _max, _size, _lastDraggableSize, _lastFrameSize;
+	QRect _boundingRect;
+	DragMode _dragMode = DragMode::None;
+	RectPart _corner = RectPart::None;
+	bool _dragging = false;
+	bool _geometryDirty = false;
+	bool _mirrored = true;
+
+};
+
+} // namespace Calls