300 lines
8.9 KiB
C++
300 lines
8.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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an unofficial desktop 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://tdesktop.com
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*/
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#include "stdafx.h"
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#include "localimageloader.h"
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#include <libexif/exif-data.h>
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LocalImageLoaderPrivate::LocalImageLoaderPrivate(int32 currentUser, LocalImageLoader *loader, QThread *thread) : QObject(0)
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, loader(loader)
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, user(currentUser)
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{
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moveToThread(thread);
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connect(loader, SIGNAL(needToPrepare()), this, SLOT(prepareImages()));
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connect(this, SIGNAL(imageReady()), loader, SLOT(onImageReady()));
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connect(this, SIGNAL(imageFailed(quint64)), loader, SLOT(onImageFailed(quint64)));
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};
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void LocalImageLoaderPrivate::prepareImages() {
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QString file, filename, mime;
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int32 filesize = 0;
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QImage img;
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QByteArray data;
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PeerId peer;
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uint64 id, jpeg_id = 0;
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ToPrepareMediaType type;
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{
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QMutexLocker lock(loader->toPrepareMutex());
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ToPrepareMedias &list(loader->toPrepareMedias());
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if (list.isEmpty()) return;
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file = list.front().file;
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img = list.front().img;
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data = list.front().data;
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peer = list.front().peer;
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id = list.front().id;
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type = list.front().type;
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}
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if (img.isNull()) {
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if (!file.isEmpty()) {
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QFileInfo info(file);
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if (type == ToPrepareAuto) {
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QString lower(file.toLower());
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const QStringList &photoExtensions(cPhotoExtensions());
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for (QStringList::const_iterator i = photoExtensions.cbegin(), e = photoExtensions.cend(); i != e; ++i) {
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if (lower.lastIndexOf(*i) == lower.size() - i->size()) {
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if (info.size() < MaxUploadPhotoSize) {
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type = ToPreparePhoto;
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break;
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}
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}
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}
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if (type == ToPrepareAuto && info.size() < MaxUploadDocumentSize) {
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type = ToPrepareDocument;
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}
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}
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if (type != ToPrepareAuto && info.size() < MaxUploadPhotoSize) {
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img = App::readImage(file);
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}
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if (type == ToPrepareDocument) {
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mime = QMimeDatabase().mimeTypeForFile(info).name();
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}
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filename = info.fileName();
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filesize = info.size();
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} else if (!data.isEmpty()) {
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img = App::readImage(data);
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if (type == ToPrepareAuto) {
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if (!img.isNull() && data.size() < MaxUploadPhotoSize) {
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type = ToPreparePhoto;
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} else if (data.size() < MaxUploadDocumentSize) {
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type = ToPrepareDocument;
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} else {
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img = QImage();
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}
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}
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QMimeType mimeType = QMimeDatabase().mimeTypeForData(data);
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if (type == ToPrepareDocument) {
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mime = mimeType.name();
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}
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filename = qsl("Document");
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QStringList patterns = mimeType.globPatterns();
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if (!patterns.isEmpty()) {
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filename = patterns.front().replace('*', filename);
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}
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filesize = data.size();
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}
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} else {
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type = ToPreparePhoto; // only photo from QImage
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filename = qsl("Untitled.jpg");
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filesize = 0;
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}
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if ((img.isNull() && (type != ToPrepareDocument || !filesize)) || type == ToPrepareAuto || (img.isNull() && file.isEmpty() && data.isEmpty())) { // if could not decide what type
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{
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QMutexLocker lock(loader->toPrepareMutex());
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ToPrepareMedias &list(loader->toPrepareMedias());
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list.pop_front();
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}
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QTimer::singleShot(1, this, SLOT(prepareImages()));
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emit imageFailed(id);
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} else {
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PreparedPhotoThumbs photoThumbs;
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QVector<MTPPhotoSize> photoSizes;
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MTPPhotoSize thumb(MTP_photoSizeEmpty(MTP_string("")));
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MTPPhoto photo(MTP_photoEmpty(MTP_long(0)));
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MTPDocument document(MTP_documentEmpty(MTP_long(0)));
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QByteArray jpeg;
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if (type == ToPreparePhoto) {
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int32 w = img.width(), h = img.height();
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QPixmap thumb = (w > 100 || h > 100) ? QPixmap::fromImage(img.scaled(100, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
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photoThumbs.insert('s', thumb);
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photoSizes.push_back(MTP_photoSize(MTP_string("s"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(thumb.width()), MTP_int(thumb.height()), MTP_int(0)));
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QPixmap full = (w > 800 || h > 800) ? QPixmap::fromImage(img.scaled(800, 800, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
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photoThumbs.insert('x', full);
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photoSizes.push_back(MTP_photoSize(MTP_string("x"), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));
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{
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QBuffer jpegBuffer(&jpeg);
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full.save(&jpegBuffer, "JPG", 87);
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}
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if (!filesize) filesize = jpeg.size();
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photo = MTP_photo(MTP_long(id), MTP_long(0), MTP_int(user), MTP_int(unixtime()), MTP_string(""), MTP_geoPointEmpty(), MTP_vector<MTPPhotoSize>(photoSizes));
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jpeg_id = id;
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} else if ((type == ToPrepareVideo || type == ToPrepareDocument) && !img.isNull()) {
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int32 w = img.width(), h = img.height();
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QPixmap full = (w > 90 || h > 90) ? QPixmap::fromImage(img.scaled(90, 90, Qt::KeepAspectRatio, Qt::SmoothTransformation)) : QPixmap::fromImage(img);
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{
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QBuffer jpegBuffer(&jpeg);
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full.save(&jpegBuffer, "JPG", 87);
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}
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photoThumbs.insert('0', full);
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thumb = MTP_photoSize(MTP_string(""), MTP_fileLocationUnavailable(MTP_long(0), MTP_int(0), MTP_long(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0));
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jpeg_id = MTP::nonce<uint64>();
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}
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if (type == ToPrepareDocument) {
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document = MTP_document(MTP_long(id), MTP_long(0), MTP_int(MTP::authedId()), MTP_int(unixtime()), MTP_string(filename), MTP_string(mime), MTP_int(filesize), thumb, MTP_int(MTP::maindc()));
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}
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{
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QMutexLocker lock(loader->readyMutex());
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loader->readyList().push_back(ReadyLocalMedia(type, file, filename, filesize, data, id, jpeg_id, peer, photo, photoThumbs, document, jpeg));
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}
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{
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QMutexLocker lock(loader->toPrepareMutex());
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ToPrepareMedias &list(loader->toPrepareMedias());
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list.pop_front();
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}
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QTimer::singleShot(1, this, SLOT(prepareImages()));
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emit imageReady();
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}
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}
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LocalImageLoaderPrivate::~LocalImageLoaderPrivate() {
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loader = 0;
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}
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LocalImageLoader::LocalImageLoader(QObject *parent) : QObject(parent), thread(0), priv(0) {
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}
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void LocalImageLoader::append(const QStringList &files, const PeerId &peer, ToPrepareMediaType t) {
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{
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QMutexLocker lock(toPrepareMutex());
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for (QStringList::const_iterator i = files.cbegin(), e = files.cend(); i != e; ++i) {
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toPrepare.push_back(ToPrepareMedia(*i, peer, t));
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}
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}
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if (!thread) {
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thread = new QThread();
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priv = new LocalImageLoaderPrivate(MTP::authedId(), this, thread);
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thread->start();
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}
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emit needToPrepare();
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}
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PhotoId LocalImageLoader::append(const QByteArray &img, const PeerId &peer, ToPrepareMediaType t) {
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PhotoId result = 0;
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{
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QMutexLocker lock(toPrepareMutex());
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toPrepare.push_back(ToPrepareMedia(img, peer, t));
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result = toPrepare.back().id;
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}
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if (!thread) {
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thread = new QThread();
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priv = new LocalImageLoaderPrivate(MTP::authedId(), this, thread);
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thread->start();
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}
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emit needToPrepare();
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return result;
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}
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PhotoId LocalImageLoader::append(const QImage &img, const PeerId &peer, ToPrepareMediaType t) {
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PhotoId result = 0;
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{
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QMutexLocker lock(toPrepareMutex());
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toPrepare.push_back(ToPrepareMedia(img, peer, t));
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result = toPrepare.back().id;
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}
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if (!thread) {
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thread = new QThread();
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priv = new LocalImageLoaderPrivate(MTP::authedId(), this, thread);
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thread->start();
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}
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emit needToPrepare();
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return result;
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}
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PhotoId LocalImageLoader::append(const QString &file, const PeerId &peer, ToPrepareMediaType t) {
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PhotoId result = 0;
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{
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QMutexLocker lock(toPrepareMutex());
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toPrepare.push_back(ToPrepareMedia(file, peer, t));
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result = toPrepare.back().id;
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}
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if (!thread) {
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thread = new QThread();
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priv = new LocalImageLoaderPrivate(MTP::authedId(), this, thread);
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thread->start();
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}
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emit needToPrepare();
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return result;
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}
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void LocalImageLoader::onImageReady() {
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{
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QMutexLocker lock(toPrepareMutex());
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if (toPrepare.isEmpty()) {
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if (priv) priv->deleteLater();
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priv = 0;
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if (thread) thread->deleteLater();
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thread = 0;
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}
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}
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emit imageReady();
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}
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void LocalImageLoader::onImageFailed(quint64 id) {
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{
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QMutexLocker lock(toPrepareMutex());
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if (toPrepare.isEmpty()) {
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if (priv) priv->deleteLater();
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priv = 0;
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if (thread) thread->deleteLater();
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thread = 0;
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}
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}
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emit imageFailed(id);
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}
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QMutex *LocalImageLoader::readyMutex() {
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return &readyLock;
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}
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ReadyLocalMedias &LocalImageLoader::readyList() {
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return ready;
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}
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QMutex *LocalImageLoader::toPrepareMutex() {
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return &toPrepareLock;
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}
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ToPrepareMedias &LocalImageLoader::toPrepareMedias() {
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return toPrepare;
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}
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LocalImageLoader::~LocalImageLoader() {
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delete priv;
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delete thread;
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}
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