76 lines
1.7 KiB
C++
76 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/cache/storage_cache_types.h"
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#include "data/data_file_origin.h"
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namespace Media {
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namespace Streaming {
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class Reader;
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struct LoadedPart;
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} // namespace Streaming
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} // namespace Media
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namespace Storage {
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class StreamedFileDownloader final : public FileLoader {
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public:
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StreamedFileDownloader(
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not_null<Main::Session*> session,
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uint64 objectId,
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MTP::DcId dcId,
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Data::FileOrigin origin,
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Cache::Key cacheKey,
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MediaKey fileLocationKey,
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std::shared_ptr<Media::Streaming::Reader> reader,
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// For FileLoader
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const QString &toFile,
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int64 size,
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LocationType locationType,
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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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~StreamedFileDownloader();
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uint64 objId() const override;
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Data::FileOrigin fileOrigin() const override;
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QByteArray readLoadedPart(int64 offset);
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private:
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void startLoading() override;
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Cache::Key cacheKey() const override;
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std::optional<MediaKey> fileLocationKey() const override;
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void cancelHook() override;
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void requestParts();
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void requestPart();
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void savePart(const Media::Streaming::LoadedPart &part);
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uint64 _objectId = 0;
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Data::FileOrigin _origin;
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Cache::Key _cacheKey;
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MediaKey _fileLocationKey;
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std::shared_ptr<Media::Streaming::Reader> _reader;
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std::vector<bool> _partIsSaved; // vector<bool> :D
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mutable int _nextPartIndex = 0;
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int _partsCount = 0;
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int _partsRequested = 0;
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int _partsSaved = 0;
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rpl::lifetime _lifetime;
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};
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} // namespace Storage
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