75 lines
1.7 KiB
C++
75 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 "media/streaming/media_streaming_loader.h"
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#include "mtproto/sender.h"
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#include "data/data_file_origin.h"
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class ApiWrap;
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namespace Media {
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namespace Streaming {
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class LoaderMtproto : public Loader, public base::has_weak_ptr {
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public:
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LoaderMtproto(
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not_null<ApiWrap*> api,
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const StorageFileLocation &location,
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int size,
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Data::FileOrigin origin);
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[[nodiscard]] auto baseCacheKey() const
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-> std::optional<Storage::Cache::Key> override;
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[[nodiscard]] int size() const override;
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void load(int offset) override;
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void cancel(int offset) override;
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void increasePriority() override;
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void stop() override;
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// Parts will be sent from the main thread.
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[[nodiscard]] rpl::producer<LoadedPart> parts() const override;
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~LoaderMtproto();
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private:
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void sendNext();
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void requestDone(int offset, const MTPupload_File &result);
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void requestFailed(
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int offset,
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const RPCError &error,
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const QByteArray &usedFileReference);
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void changeCdnParams(
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int offset,
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MTP::DcId dcId,
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const QByteArray &token,
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const QByteArray &encryptionKey,
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const QByteArray &encryptionIV,
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const QVector<MTPFileHash> &hashes);
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const not_null<ApiWrap*> _api;
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// _location can be changed with an updated file_reference.
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StorageFileLocation _location;
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const int _size = 0;
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const Data::FileOrigin _origin;
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MTP::Sender _sender;
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PriorityQueue _requested;
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base::flat_map<int, mtpRequestId> _requests;
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rpl::event_stream<LoadedPart> _parts;
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};
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} // namespace Streaming
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} // namespace Media
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