127 lines
2.8 KiB
C++
127 lines
2.8 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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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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#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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class FileLoader;
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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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namespace Main {
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class Session;
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} // namespace Main
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namespace Data {
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struct FileOrigin;
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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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Loaded = 0x04,
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};
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friend inline constexpr bool is_flag_type(Flag) { return true; };
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~CloudFile();
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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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int progressivePartSize = 0;
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base::flags<Flag> flags;
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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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[[nodiscard]] Image *image();
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private:
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std::optional<Image> _image;
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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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// 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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void update(
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not_null<Main::Session*> session,
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const ImageWithLocation &data);
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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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[[nodiscard]] bool loadedOnce() 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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[[nodiscard]] std::shared_ptr<CloudImageView> createView();
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[[nodiscard]] std::shared_ptr<CloudImageView> activeView() const;
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[[nodiscard]] bool isCurrentView(
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const std::shared_ptr<CloudImageView> &view) const;
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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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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, QByteArray)> usePreloaded = nullptr);
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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, QByteArray)> done,
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Fn<void(bool)> fail = nullptr,
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Fn<void()> progress = nullptr,
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int downloadFrontPartSize = 0);
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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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} // namespace Data
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