66 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			1.7 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 "storage/file_download.h"
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#include "storage/download_manager_mtproto.h"
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class mtpFileLoader final
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	: public FileLoader
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	, private Storage::DownloadMtprotoTask {
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public:
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	mtpFileLoader(
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		not_null<Main::Session*> session,
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		const StorageFileLocation &location,
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		Data::FileOrigin origin,
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		LocationType type,
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		const QString &toFile,
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		int64 loadSize,
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		int64 fullSize,
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		LoadToCacheSetting toCache,
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		LoadFromCloudSetting fromCloud,
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		bool autoLoading,
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		uint8 cacheTag);
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	mtpFileLoader(
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		not_null<Main::Session*> session,
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		const WebFileLocation &location,
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		int64 loadSize,
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		int64 fullSize,
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		LoadFromCloudSetting fromCloud,
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		bool autoLoading,
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		uint8 cacheTag);
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	mtpFileLoader(
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		not_null<Main::Session*> session,
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		const GeoPointLocation &location,
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		int64 loadSize,
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		int64 fullSize,
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		LoadFromCloudSetting fromCloud,
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		bool autoLoading,
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		uint8 cacheTag);
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	~mtpFileLoader();
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	Data::FileOrigin fileOrigin() const override;
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	uint64 objId() const override;
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private:
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	Storage::Cache::Key cacheKey() const override;
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	std::optional<MediaKey> fileLocationKey() const override;
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	void startLoading() override;
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	void startLoadingWithPartial(const QByteArray &data) override;
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	void cancelHook() override;
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	bool readyToRequest() const override;
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	int64 takeNextRequestOffset() override;
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	bool feedPart(int64 offset, const QByteArray &bytes) override;
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	void cancelOnFail() override;
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	bool setWebFileSizeHook(int64 size) override;
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	bool _lastComplete = false;
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	int64 _nextRequestOffset = 0;
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};
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