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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 "base/flags.h"
#include "ui/image/image.h"
#include "ui/image/image_location.h"
class FileLoader;
namespace Storage {
namespace Cache {
class Database;
} // namespace Cache
} // namespace Storage
namespace Main {
class Session;
} // namespace Main
namespace Data {
struct FileOrigin;
struct CloudFile final {
enum class Flag : uchar {
Cancelled = 0x01,
Failed = 0x02,
Loaded = 0x04,
};
friend inline constexpr bool is_flag_type(Flag) { return true; };
~CloudFile();
ImageLocation location;
std::unique_ptr<FileLoader> loader;
int byteSize = 0;
int progressivePartSize = 0;
base::flags<Flag> flags;
};
class CloudImage final {
public:
CloudImage();
CloudImage(
not_null<Main::Session*> session,
const ImageWithLocation &data);
// This method will replace the location and zero the _view pointer.
void set(
not_null<Main::Session*> session,
const ImageWithLocation &data);
void update(
not_null<Main::Session*> session,
const ImageWithLocation &data);
[[nodiscard]] bool empty() const;
[[nodiscard]] bool loading() const;
[[nodiscard]] bool failed() const;
[[nodiscard]] bool loadedOnce() const;
void load(not_null<Main::Session*> session, FileOrigin origin);
[[nodiscard]] const ImageLocation &location() const;
[[nodiscard]] int byteSize() const;
[[nodiscard]] std::shared_ptr<QImage> createView();
[[nodiscard]] std::shared_ptr<QImage> activeView() const;
[[nodiscard]] bool isCurrentView(
const std::shared_ptr<QImage> &view) const;
private:
void setToActive(not_null<Main::Session*> session, QImage image);
CloudFile _file;
std::weak_ptr<QImage> _view;
};
void UpdateCloudFile(
CloudFile &file,
const ImageWithLocation &data,
Storage::Cache::Database &cache,
uint8 cacheTag,
Fn<void(FileOrigin)> restartLoader,
Fn<void(QImage, QByteArray)> usePreloaded = nullptr);
void LoadCloudFile(
not_null<Main::Session*> session,
CloudFile &file,
FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading,
uint8 cacheTag,
Fn<bool()> finalCheck,
Fn<void(QImage, QByteArray)> done,
Fn<void(bool)> fail = nullptr,
Fn<void()> progress = nullptr,
int downloadFrontPartSize = 0);
void LoadCloudFile(
not_null<Main::Session*> session,
CloudFile &file,
FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading,
uint8 cacheTag,
Fn<bool()> finalCheck,
Fn<void(QByteArray)> done,
Fn<void(bool)> fail = nullptr,
Fn<void()> progress = nullptr);
} // namespace Data
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