122 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop application for the Telegram messaging service.
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| 
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| For license and copyright information please follow this link:
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| https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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| */
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| #pragma once
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| 
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| #include "base/flags.h"
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| #include "ui/image/image.h"
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| #include "ui/image/image_location.h"
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| 
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| class FileLoader;
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| 
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| namespace Storage {
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| namespace Cache {
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| class Database;
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| } // namespace Cache
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| } // namespace Storage
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| 
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| namespace Main {
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| class Session;
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| } // namespace Main
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| 
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| namespace Data {
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| 
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| struct FileOrigin;
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| 
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| struct CloudFile final {
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| 	enum class Flag : uchar {
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| 		Cancelled = 0x01,
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| 		Failed = 0x02,
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| 	};
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| 	friend inline constexpr bool is_flag_type(Flag) { return true; };
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| 
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| 	~CloudFile();
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| 
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| 	ImageLocation location;
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| 	std::unique_ptr<FileLoader> loader;
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| 	int byteSize = 0;
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| 	base::flags<Flag> flags;
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| };
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| 
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| class CloudImageView final {
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| public:
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| 	void set(not_null<Main::Session*> session, QImage image);
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| 
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| 	[[nodiscard]] Image *image();
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| 
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| private:
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| 	std::optional<Image> _image;
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| 
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| };
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| 
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| class CloudImage final {
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| public:
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| 	CloudImage();
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| 	CloudImage(
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| 		not_null<Main::Session*> session,
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| 		const ImageWithLocation &data);
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| 
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| 	// This method will replace the location and zero the _view pointer.
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| 	void set(
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| 		not_null<Main::Session*> session,
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| 		const ImageWithLocation &data);
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| 
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| 	void update(
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| 		not_null<Main::Session*> session,
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| 		const ImageWithLocation &data);
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| 
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| 	[[nodiscard]] bool empty() const;
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| 	[[nodiscard]] bool loading() const;
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| 	[[nodiscard]] bool failed() const;
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| 	void load(not_null<Main::Session*> session, FileOrigin origin);
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| 	[[nodiscard]] const ImageLocation &location() const;
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| 	[[nodiscard]] int byteSize() const;
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| 
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| 	[[nodiscard]] std::shared_ptr<CloudImageView> createView();
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| 	[[nodiscard]] std::shared_ptr<CloudImageView> activeView();
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| 	[[nodiscard]] bool isCurrentView(
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| 		const std::shared_ptr<CloudImageView> &view) const;
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| 
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| private:
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| 	CloudFile _file;
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| 	std::weak_ptr<CloudImageView> _view;
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| 
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| };
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| 
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| void UpdateCloudFile(
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| 	CloudFile &file,
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| 	const ImageWithLocation &data,
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| 	Storage::Cache::Database &cache,
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| 	uint8 cacheTag,
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| 	Fn<void(FileOrigin)> restartLoader,
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| 	Fn<void(QImage)> usePreloaded = nullptr);
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| 
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| void LoadCloudFile(
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| 	not_null<Main::Session*> session,
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| 	CloudFile &file,
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| 	FileOrigin origin,
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| 	LoadFromCloudSetting fromCloud,
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| 	bool autoLoading,
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| 	uint8 cacheTag,
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| 	Fn<bool()> finalCheck,
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| 	Fn<void(QImage)> done,
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| 	Fn<void(bool)> fail = nullptr,
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| 	Fn<void()> progress = nullptr);
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| 
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| void LoadCloudFile(
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| 	not_null<Main::Session*> session,
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| 	CloudFile &file,
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| 	FileOrigin origin,
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| 	LoadFromCloudSetting fromCloud,
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| 	bool autoLoading,
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| 	uint8 cacheTag,
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| 	Fn<bool()> finalCheck,
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| 	Fn<void(QByteArray)> done,
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| 	Fn<void(bool)> fail = nullptr,
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| 	Fn<void()> progress = nullptr);
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| 
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| } // namespace Data
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