406 lines
10 KiB
C++
406 lines
10 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "core/observer.h"
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namespace MTP {
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void clearLoaderPriorities();
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}
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enum LocationType {
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UnknownFileLocation = 0,
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// 1, 2, etc are used as "version" value in mediaKey() method.
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DocumentFileLocation = 0x4e45abe9, // mtpc_inputDocumentFileLocation
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AudioFileLocation = 0x74dc404d, // mtpc_inputAudioFileLocation
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VideoFileLocation = 0x3d0364ec, // mtpc_inputVideoFileLocation
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};
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enum StorageFileType {
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StorageFileUnknown = 0xaa963b05, // mtpc_storage_fileUnknown
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StorageFileJpeg = 0x7efe0e, // mtpc_storage_fileJpeg
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StorageFileGif = 0xcae1aadf, // mtpc_storage_fileGif
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StorageFilePng = 0xa4f63c0, // mtpc_storage_filePng
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StorageFilePdf = 0xae1e508d, // mtpc_storage_filePdf
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StorageFileMp3 = 0x528a0677, // mtpc_storage_fileMp3
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StorageFileMov = 0x4b09ebbc, // mtpc_storage_fileMov
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StorageFilePartial = 0x40bc6f52, // mtpc_storage_filePartial
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StorageFileMp4 = 0xb3cea0e4, // mtpc_storage_fileMp4
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StorageFileWebp = 0x1081464c, // mtpc_storage_fileWebp
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};
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inline StorageFileType mtpToStorageType(mtpTypeId type) {
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switch (type) {
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case mtpc_storage_fileJpeg: return StorageFileJpeg;
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case mtpc_storage_fileGif: return StorageFileGif;
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case mtpc_storage_filePng: return StorageFilePng;
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case mtpc_storage_filePdf: return StorageFilePdf;
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case mtpc_storage_fileMp3: return StorageFileMp3;
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case mtpc_storage_fileMov: return StorageFileMov;
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case mtpc_storage_filePartial: return StorageFilePartial;
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case mtpc_storage_fileMp4: return StorageFileMp4;
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case mtpc_storage_fileWebp: return StorageFileWebp;
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case mtpc_storage_fileUnknown:
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default: return StorageFileUnknown;
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}
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}
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inline mtpTypeId mtpFromStorageType(StorageFileType type) {
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switch (type) {
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case StorageFileJpeg: return mtpc_storage_fileJpeg;
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case StorageFileGif: return mtpc_storage_fileGif;
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case StorageFilePng: return mtpc_storage_filePng;
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case StorageFilePdf: return mtpc_storage_filePdf;
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case StorageFileMp3: return mtpc_storage_fileMp3;
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case StorageFileMov: return mtpc_storage_fileMov;
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case StorageFilePartial: return mtpc_storage_filePartial;
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case StorageFileMp4: return mtpc_storage_fileMp4;
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case StorageFileWebp: return mtpc_storage_fileWebp;
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case StorageFileUnknown:
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default: return mtpc_storage_fileUnknown;
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}
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}
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struct StorageImageSaved {
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StorageImageSaved() : type(StorageFileUnknown) {
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}
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StorageImageSaved(StorageFileType type, const QByteArray &data) : type(type), data(data) {
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}
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StorageFileType type;
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QByteArray data;
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};
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enum LocalLoadStatus {
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LocalNotTried,
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LocalNotFound,
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LocalLoading,
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LocalLoaded,
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LocalFailed,
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};
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using TaskId = void*; // no interface, just id
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enum LoadFromCloudSetting {
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LoadFromCloudOrLocal,
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LoadFromLocalOnly,
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};
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enum LoadToCacheSetting {
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LoadToFileOnly,
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LoadToCacheAsWell,
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};
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class mtpFileLoader;
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class webFileLoader;
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struct FileLoaderQueue;
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class FileLoader : public QObject {
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Q_OBJECT
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public:
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FileLoader(const QString &toFile, int32 size, LocationType locationType, LoadToCacheSetting, LoadFromCloudSetting fromCloud, bool autoLoading);
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bool done() const {
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return _complete;
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}
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mtpTypeId fileType() const {
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return _type;
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}
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const QByteArray &bytes() const {
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return _data;
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}
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QByteArray imageFormat(const QSize &shrinkBox = QSize()) const;
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QPixmap imagePixmap(const QSize &shrinkBox = QSize()) const;
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QString fileName() const {
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return _fname;
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}
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float64 currentProgress() const;
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virtual int32 currentOffset(bool includeSkipped = false) const = 0;
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int32 fullSize() const;
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bool setFileName(const QString &filename); // set filename for loaders to cache
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void permitLoadFromCloud();
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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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return _inQueue;
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}
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bool paused() const {
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return _paused;
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}
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bool started() const {
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return _inQueue || _paused;
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}
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bool loadingLocal() const {
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return (_localStatus == LocalLoading);
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}
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bool autoLoading() const {
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return _autoLoading;
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}
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virtual mtpFileLoader *mtpLoader() {
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return 0;
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}
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virtual const mtpFileLoader *mtpLoader() const {
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return 0;
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}
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virtual webFileLoader *webLoader() {
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return 0;
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}
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virtual const webFileLoader *webLoader() const {
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return 0;
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}
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virtual void stop() {
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}
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virtual ~FileLoader();
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void localLoaded(const StorageImageSaved &result, const QByteArray &imageFormat = QByteArray(), const QPixmap &imagePixmap = QPixmap());
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signals:
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void progress(FileLoader *loader);
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void failed(FileLoader *loader, bool started);
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protected:
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void readImage(const QSize &shrinkBox) const;
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FileLoader *_prev = nullptr;
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FileLoader *_next = nullptr;
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int _priority = 0;
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FileLoaderQueue *_queue;
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bool _paused = false;
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bool _autoLoading = false;
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bool _inQueue = false;
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bool _complete = false;
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mutable LocalLoadStatus _localStatus = LocalNotTried;
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virtual bool tryLoadLocal() = 0;
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virtual void cancelRequests() = 0;
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void startLoading(bool loadFirst, bool prior);
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void removeFromQueue();
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void cancel(bool failed);
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void loadNext();
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virtual bool loadPart() = 0;
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QFile _file;
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QString _fname;
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bool _fileIsOpen = false;
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LoadToCacheSetting _toCache;
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LoadFromCloudSetting _fromCloud;
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QByteArray _data;
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int32 _size;
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mtpTypeId _type;
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LocationType _locationType;
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TaskId _localTaskId = 0;
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mutable QByteArray _imageFormat;
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mutable QPixmap _imagePixmap;
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};
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class StorageImageLocation;
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class mtpFileLoader : public FileLoader, public RPCSender {
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Q_OBJECT
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public:
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mtpFileLoader(const StorageImageLocation *location, int32 size, LoadFromCloudSetting fromCloud, bool autoLoading);
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mtpFileLoader(int32 dc, const uint64 &id, const uint64 &access, int32 version, LocationType type, const QString &toFile, int32 size, LoadToCacheSetting toCache, LoadFromCloudSetting fromCloud, bool autoLoading);
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virtual int32 currentOffset(bool includeSkipped = false) const;
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uint64 objId() const {
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return _id;
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}
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virtual mtpFileLoader *mtpLoader() {
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return this;
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}
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virtual const mtpFileLoader *mtpLoader() const {
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return this;
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}
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virtual void stop() {
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rpcClear();
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}
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~mtpFileLoader();
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protected:
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virtual bool tryLoadLocal();
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virtual void cancelRequests();
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typedef QMap<mtpRequestId, int32> Requests;
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Requests _requests;
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virtual 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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bool _lastComplete = false;
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int32 _skippedBytes = 0;
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int32 _nextRequestOffset = 0;
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int32 _dc;
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const StorageImageLocation *_location = nullptr;
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uint64 _id = 0; // for other locations
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uint64 _access = 0;
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int32 _version = 0;
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};
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class webFileLoaderPrivate;
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class webFileLoader : public FileLoader {
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Q_OBJECT
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public:
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webFileLoader(const QString &url, const QString &to, LoadFromCloudSetting fromCloud, bool autoLoading);
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virtual int32 currentOffset(bool includeSkipped = false) const;
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virtual webFileLoader *webLoader() {
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return this;
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}
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virtual const webFileLoader *webLoader() const {
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return this;
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}
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void onProgress(qint64 already, qint64 size);
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void onFinished(const QByteArray &data);
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void onError();
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virtual void stop() {
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cancelRequests();
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}
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~webFileLoader();
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protected:
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virtual void cancelRequests();
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virtual bool tryLoadLocal();
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virtual bool loadPart();
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QString _url;
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bool _requestSent;
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int32 _already;
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friend class WebLoadManager;
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webFileLoaderPrivate *_private;
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};
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enum WebReplyProcessResult {
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WebReplyProcessError,
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WebReplyProcessProgress,
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WebReplyProcessFinished,
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};
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class WebLoadManager : public QObject {
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Q_OBJECT
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public:
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WebLoadManager(QThread *thread);
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#ifndef TDESKTOP_DISABLE_NETWORK_PROXY
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void setProxySettings(const QNetworkProxy &proxy);
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#endif // !TDESKTOP_DISABLE_NETWORK_PROXY
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void append(webFileLoader *loader, const QString &url);
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void stop(webFileLoader *reader);
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bool carries(webFileLoader *reader) const;
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~WebLoadManager();
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signals:
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void processDelayed();
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void proxyApplyDelayed();
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void progress(webFileLoader *loader, qint64 already, qint64 size);
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void finished(webFileLoader *loader, QByteArray data);
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void error(webFileLoader *loader);
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public slots:
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void onFailed(QNetworkReply *reply);
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void onFailed(QNetworkReply::NetworkError error);
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void onProgress(qint64 already, qint64 size);
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void onMeta();
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void process();
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void proxyApply();
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void finish();
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private:
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void clear();
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void sendRequest(webFileLoaderPrivate *loader, const QString &redirect = QString());
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bool handleReplyResult(webFileLoaderPrivate *loader, WebReplyProcessResult result);
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#ifndef TDESKTOP_DISABLE_NETWORK_PROXY
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QNetworkProxy _proxySettings;
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#endif // !TDESKTOP_DISABLE_NETWORK_PROXY
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QNetworkAccessManager _manager;
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typedef QMap<webFileLoader*, webFileLoaderPrivate*> LoaderPointers;
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LoaderPointers _loaderPointers;
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mutable QMutex _loaderPointersMutex;
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typedef OrderedSet<webFileLoaderPrivate*> Loaders;
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Loaders _loaders;
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typedef QMap<QNetworkReply*, webFileLoaderPrivate*> Replies;
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Replies _replies;
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};
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class WebLoadMainManager : public QObject {
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Q_OBJECT
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public:
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public slots:
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void progress(webFileLoader *loader, qint64 already, qint64 size);
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void finished(webFileLoader *loader, QByteArray data);
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void error(webFileLoader *loader);
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};
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static FileLoader * const CancelledFileLoader = SharedMemoryLocation<FileLoader, 0>();
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static mtpFileLoader * const CancelledMtpFileLoader = static_cast<mtpFileLoader*>(CancelledFileLoader);
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static webFileLoader * const CancelledWebFileLoader = static_cast<webFileLoader*>(CancelledFileLoader);
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static WebLoadManager * const FinishedWebLoadManager = SharedMemoryLocation<WebLoadManager, 0>();
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void reinitWebLoadManager();
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void stopWebLoadManager();
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namespace FileDownload {
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base::Observable<void> &ImageLoaded();
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} // namespace FileDownload
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