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Telegram/SourceFiles/media/streaming/media_streaming_instance.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 "media/streaming/media_streaming_common.h"
+
+class DocumentData;
+
+namespace Ui {
+struct RadialState;
+} // namespace Ui
+
+namespace Data {
+struct FileOrigin;
+} // namespace Data
+
+namespace Media {
+namespace Streaming {
+
+class Document;
+class Player;
+
+class Instance {
+public:
+	Instance(const Instance &other);
+	Instance(
+		std::shared_ptr<Document> shared,
+		Fn<void()> waitingCallback);
+	Instance(
+		not_null<DocumentData*> document,
+		Data::FileOrigin origin,
+		Fn<void()> waitingCallback);
+	Instance(
+		not_null<DocumentData*> quality,
+		not_null<DocumentData*> original,
+		HistoryItem *context,
+		Data::FileOrigin origin,
+		Fn<void()> waitingCallback);
+	Instance(
+		not_null<PhotoData*> photo,
+		Data::FileOrigin origin,
+		Fn<void()> waitingCallback);
+	~Instance();
+
+	[[nodiscard]] bool valid() const;
+	[[nodiscard]] std::shared_ptr<Document> shared() const;
+
+	[[nodiscard]] const Player &player() const;
+	[[nodiscard]] const Information &info() const;
+	[[nodiscard]] rpl::producer<int> switchQualityRequests() const;
+
+	void play(const PlaybackOptions &options);
+	void pause();
+	void resume();
+	void stop();
+	void stopAudio();
+	void saveFrameToCover();
+
+	[[nodiscard]] bool active() const;
+	[[nodiscard]] bool ready() const;
+	[[nodiscard]] std::optional<Error> failed() const;
+
+	[[nodiscard]] bool paused() const;
+
+	[[nodiscard]] float64 speed() const;
+	void setSpeed(float64 speed);
+
+	[[nodiscard]] bool waitingShown() const;
+	[[nodiscard]] float64 waitingOpacity() const;
+	[[nodiscard]] Ui::RadialState waitingState() const;
+
+	void callWaitingCallback();
+
+	[[nodiscard]] QImage frame(const FrameRequest &request) const;
+	[[nodiscard]] FrameWithInfo frameWithInfo(
+		const FrameRequest &request) const;
+	[[nodiscard]] FrameWithInfo frameWithInfo() const;
+	bool markFrameShown() const;
+
+	void lockPlayer();
+	void unlockPlayer();
+	[[nodiscard]] bool playerLocked() const;
+
+	void setPriority(int priority);
+	[[nodiscard]] int priority() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime();
+
+private:
+	const std::shared_ptr<Document> _shared;
+	Fn<void()> _waitingCallback;
+	int _priority = 1;
+	bool _playerLocked = false;
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Streaming
+} // namespace Media