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Telegram/SourceFiles/media/streaming/media_streaming_round_preview.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/dynamic_image.h"
+
+#include "media/clip/media_clip_reader.h"
+
+namespace Media::Streaming {
+
+class RoundPreview final : public Ui::DynamicImage {
+public:
+	RoundPreview(const QByteArray &bytes, int size);
+
+	std::shared_ptr<DynamicImage> clone() override;
+
+	QImage image(int size) override;
+	void subscribeToUpdates(Fn<void()> callback) override;
+
+private:
+	void clipCallback(Clip::Notification notification);
+
+	const QByteArray _bytes;
+	Clip::ReaderPointer _reader;
+	Fn<void()> _repaint;
+	int _size = 0;
+
+};
+
+} // namespace Media::Streaming