tdesktop/Telegram/SourceFiles/storage/file_download_mtproto.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 "storage/file_download.h"
#include "storage/download_manager_mtproto.h"
class mtpFileLoader final
: public FileLoader
, private Storage::DownloadMtprotoTask {
public:
mtpFileLoader(
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not_null<Main::Session*> session,
const StorageFileLocation &location,
Data::FileOrigin origin,
LocationType type,
const QString &toFile,
int loadSize,
int fullSize,
LoadToCacheSetting toCache,
LoadFromCloudSetting fromCloud,
bool autoLoading,
uint8 cacheTag);
mtpFileLoader(
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not_null<Main::Session*> session,
const WebFileLocation &location,
int loadSize,
int fullSize,
LoadFromCloudSetting fromCloud,
bool autoLoading,
uint8 cacheTag);
mtpFileLoader(
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not_null<Main::Session*> session,
const GeoPointLocation &location,
int loadSize,
int fullSize,
LoadFromCloudSetting fromCloud,
bool autoLoading,
uint8 cacheTag);
~mtpFileLoader();
Data::FileOrigin fileOrigin() const override;
uint64 objId() const override;
private:
Storage::Cache::Key cacheKey() const override;
std::optional<MediaKey> fileLocationKey() const override;
void startLoading() override;
void startLoadingWithPartial(const QByteArray &data) override;
void cancelHook() override;
bool readyToRequest() const override;
int takeNextRequestOffset() override;
bool feedPart(int offset, const QByteArray &bytes) override;
void cancelOnFail() override;
bool setWebFileSizeHook(int size) override;
bool _lastComplete = false;
int32 _nextRequestOffset = 0;
};