102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace MTP {
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void clearLoaderPriorities();
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}
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struct mtpFileLoaderQueue;
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class mtpFileLoader : public QObject, public RPCSender {
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Q_OBJECT
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public:
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mtpFileLoader(int32 dc, const uint64 &volume, int32 local, const uint64 &secret, int32 size = 0);
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mtpFileLoader(int32 dc, const uint64 &id, const uint64 &access, mtpTypeId locType, const QString &to, int32 size);
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mtpFileLoader(int32 dc, const uint64 &id, const uint64 &access, mtpTypeId locType, const QString &to, int32 size, bool todata);
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bool done() const;
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mtpTypeId fileType() const;
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const QByteArray &bytes() const;
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QString fileName() const;
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float64 currentProgress() const;
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int32 currentOffset(bool includeSkipped = false) const;
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int32 fullSize() const;
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void setFileName(const QString &filename); // set filename for duplicateInData loader
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void pause();
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void start(bool loadFirst = false, bool prior = true);
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void cancel();
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bool loading() const;
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uint64 objId() const;
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~mtpFileLoader();
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mtpFileLoader *prev, *next;
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int32 priority;
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signals:
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void progress(mtpFileLoader *loader);
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void failed(mtpFileLoader *loader, bool started);
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private:
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mtpFileLoaderQueue *queue;
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bool inQueue, complete, triedLocal;
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void cancelRequests();
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typedef QMap<mtpRequestId, int32> Requests;
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Requests requests;
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int32 skippedBytes;
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int32 nextRequestOffset;
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bool lastComplete;
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void started(bool loadFirst, bool prior);
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void removeFromQueue();
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void loadNext();
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void finishFail();
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bool loadPart();
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void partLoaded(int32 offset, const MTPupload_File &result, mtpRequestId req);
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bool partFailed(const RPCError &error);
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int32 dc;
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mtpTypeId locationType; // 0 or mtpc_inputVideoFileLocation / mtpc_inputAudioFileLocation / mtpc_inputDocumentFileLocation
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uint64 volume; // for photo locations
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int32 local;
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uint64 secret;
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uint64 id; // for other locations
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uint64 access;
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QFile file;
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QString fname;
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bool fileIsOpen;
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bool duplicateInData;
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QByteArray data;
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int32 size;
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mtpTypeId type;
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};
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