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Telegram/SourceFiles/data/data_photo_media.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 "data/data_photo.h"
+
+class FileLoader;
+
+namespace Data {
+
+class PhotoMedia final {
+public:
+	explicit PhotoMedia(not_null<PhotoData*> owner);
+	~PhotoMedia();
+
+	[[nodiscard]] not_null<PhotoData*> owner() const;
+
+	[[nodiscard]] Image *thumbnailInline() const;
+
+	[[nodiscard]] Image *image(PhotoSize size) const;
+	[[nodiscard]] QByteArray imageBytes(PhotoSize size) const;
+	[[nodiscard]] QSize size(PhotoSize size) const;
+	void wanted(PhotoSize size, Data::FileOrigin origin);
+	void set(
+		PhotoSize size,
+		PhotoSize goodFor,
+		QImage image,
+		QByteArray bytes);
+
+	[[nodiscard]] QByteArray videoContent(PhotoSize size) const;
+	[[nodiscard]] QSize videoSize(PhotoSize size) const;
+	void videoWanted(PhotoSize size, Data::FileOrigin origin);
+	void setVideo(PhotoSize size, QByteArray content);
+
+	[[nodiscard]] bool loaded() const;
+	[[nodiscard]] float64 progress() const;
+
+	[[nodiscard]] bool autoLoadThumbnailAllowed(
+		not_null<PeerData*> peer) const;
+	void automaticLoad(FileOrigin origin, const HistoryItem *item);
+	void automaticLoad(FileOrigin origin, not_null<PeerData*> peer);
+
+	void collectLocalData(not_null<PhotoMedia*> local);
+
+	bool saveToFile(const QString &path);
+	bool setToClipboard();
+
+private:
+	struct PhotoImage {
+		std::unique_ptr<Image> data;
+		QByteArray bytes;
+		PhotoSize goodFor = PhotoSize();
+	};
+
+	const PhotoImage *resolveLoadedImage(PhotoSize size) const;
+
+	// NB! Right now DocumentMedia can outlive Main::Session!
+	// In DocumentData::collectLocalData a shared_ptr is sent on_main.
+	// In case this is a problem the ~Gif code should be rewritten.
+	const not_null<PhotoData*> _owner;
+	mutable std::unique_ptr<Image> _inlineThumbnail;
+	std::array<PhotoImage, kPhotoSizeCount> _images;
+	QByteArray _videoBytesSmall;
+	QByteArray _videoBytesLarge;
+
+};
+
+} // namespace Data