git.sur5r.net Git - minitube/blob - src/downloadmanager.cpp

   1 /* $BEGIN_LICENSE
   2
   3 This file is part of Minitube.
   4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
   5
   6 Minitube is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 Minitube is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Minitube.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 $END_LICENSE */
  20
  21 #include "downloadmanager.h"
  22 #include "downloaditem.h"
  23 #include "downloadmodel.h"
  24 #include "video.h"
  25 #include "constants.h"
  26 #include "mainwindow.h"
  27 #ifdef APP_ACTIVATION
  28 #include "activation.h"
  29 #endif
  30 #ifdef APP_EXTRA
  31 #include "extra.h"
  32 #endif
  33 #include "datautils.h"
  34 #include "iconutils.h"
  35
  36 static DownloadManager *downloadManagerInstance = 0;
  37
  38 DownloadManager::DownloadManager(QWidget *parent) :
  39     QObject(parent),
  40     downloadModel(new DownloadModel(this, this))
  41 { }
  42
  43 DownloadManager* DownloadManager::instance() {
  44     if (!downloadManagerInstance) downloadManagerInstance = new DownloadManager();
  45     return downloadManagerInstance;
  46 }
  47
  48 void DownloadManager::clear() {
  49     qDeleteAll(items);
  50     items.clear();
  51     updateStatusMessage();
  52 }
  53
  54 int DownloadManager::activeItems() {
  55     int num = 0;
  56     for (DownloadItem *item : items) {
  57         if (item->status() == Downloading || item->status() == Starting) num++;
  58     }
  59     return num;
  60 }
  61
  62 DownloadItem* DownloadManager::itemForVideo(Video* video) {
  63     for (DownloadItem *item : items) {
  64         if (item->getVideo()->getId() == video->getId()) return item;
  65     }
  66     return 0;
  67 }
  68
  69 void DownloadManager::addItem(Video *video) {
  70     // qDebug() << __FUNCTION__ << video->title();
  71
  72     DownloadItem *item = itemForVideo(video);
  73     if (item != 0) {
  74         if (item->status() == Failed || item->status() == Idle) {
  75             qDebug() << "Restarting download" << video->getTitle();
  76             item->tryAgain();
  77         } else {
  78             qDebug() << "Already downloading video" << video->getTitle();
  79         }
  80         return;
  81     }
  82
  83     connect(video, SIGNAL(gotStreamUrl(QUrl)), SLOT(gotStreamUrl(QUrl)));
  84     // TODO handle signal errors
  85     // connect(video, SIGNAL(errorStreamUrl(QString)), SLOT(handleError(QString)));
  86     video->loadStreamUrl();
  87
  88     // see you in gotStreamUrl()
  89 }
  90
  91 void DownloadManager::gotStreamUrl(QUrl url) {
  92
  93     Video *video = static_cast<Video*>(sender());
  94     if (!video) {
  95         qDebug() << "Cannot get video in" << __FUNCTION__;
  96         return;
  97     }
  98
  99     video->disconnect(this);
 100
 101     QString basename = DataUtils::stringToFilename(video->getTitle());
 102     if (basename.isEmpty()) basename = video->getId();
 103
 104     QString filename = currentDownloadFolder() + "/" + basename + ".mp4";
 105
 106     Video *videoCopy = video->clone();
 107     DownloadItem *item = new DownloadItem(videoCopy, url, filename, this);
 108
 109     downloadModel->beginInsertRows(QModelIndex(), 0, 0);
 110     items.prepend(item);
 111     downloadModel->endInsertRows();
 112
 113     // connect(item, SIGNAL(statusChanged()), SLOT(updateStatusMessage()));
 114     connect(item, SIGNAL(finished()), SLOT(itemFinished()));
 115     item->start();
 116
 117     updateStatusMessage();
 118 }
 119
 120 void DownloadManager::itemFinished() {
 121     if (activeItems() == 0) emit finished();
 122 #ifdef APP_EXTRA
 123     DownloadItem *item = static_cast<DownloadItem*>(sender());
 124     if (!item) {
 125         qDebug() << "Cannot get item in" << __FUNCTION__;
 126         return;
 127     }
 128     Video *video = item->getVideo();
 129     if (!video) return;
 130     QString stats = tr("%1 downloaded in %2").arg(
 131                 DownloadItem::formattedFilesize(item->bytesTotal()),
 132                 DownloadItem::formattedTime(item->totalTime(), false));
 133     Extra::notify(tr("Download finished"), video->getTitle(), stats);
 134 #endif
 135 }
 136
 137 void DownloadManager::updateStatusMessage() {
 138     QString message = tr("%n Download(s)", "", activeItems());
 139     emit statusMessageChanged(message);
 140 }
 141
 142 QString DownloadManager::defaultDownloadFolder() {
 143     // download in the Movies system folder
 144     QString path = QStandardPaths::writableLocation(QStandardPaths::MoviesLocation);
 145
 146     const QDir moviesDir(path);
 147     if (!moviesDir.exists()) {
 148         // fallback to Desktop
 149         path = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
 150
 151         const QDir desktopDir(path);
 152         if (!desktopDir.exists()) {
 153             // fallback to Home
 154             path = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
 155         }
 156     }
 157     return path;
 158 }
 159
 160 QString DownloadManager::currentDownloadFolder() {
 161     QSettings settings;
 162     QString path = settings.value("downloadFolder").toString();
 163     if (path.isEmpty()) path = defaultDownloadFolder();
 164     return path;
 165 }