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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the demonstration applications of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41 module downloadmanager;
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42
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43 import ui_downloads;
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44 import ui_downloaditem;
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45
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46 import QtNetwork.QNetworkReply;
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47
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48 import QtCore.QFile;
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49 import QtCore.QTime;
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50
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51
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52 import autosaver;
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53 import browserapplication;
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54 import networkaccessmanager;
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55
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56 import math;
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57
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58 import QtCore.QMetaEnum;
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59 import QtCore.QSettings;
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60
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61 import QtGui.QDesktopServices;
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62 import QtGui.QFileDialog;
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63 import QtGui.QHeaderView;
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64 import QtGui.QFileIconProvider;
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65
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66 import QtCore.QDebug;
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67
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68 import QtWebKit.QWebSettings;
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69
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70
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71
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72 class DownloadItem : public QWidget, public Ui_DownloadItem
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73 {
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74 Q_OBJECT
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75
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76 signals:
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77 void statusChanged();
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78
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79 public:
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80
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81 /*!
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82 DownloadItem is a widget that is displayed in the download manager list.
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83 It moves the data from the QNetworkReply into the QFile as well
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84 as update the information/progressbar and report errors.
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85 */
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86 DownloadItem(QNetworkReply *reply = 0, bool requestFileName = false, QWidget *parent = 0)
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87 : QWidget(parent)
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88 {
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89 m_reply = reply;
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90 m_requestFileName = requestFileName;
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91 m_bytesReceived = 0;
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92
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93 setupUi(this);
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94 QPalette p = downloadInfoLabel.palette();
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95 p.setColor(QPalette::Text, Qt.darkGray);
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96 downloadInfoLabel.setPalette(p);
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97 progressBar.setMaximum(0);
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98 tryAgainButton.hide();
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99 connect(stopButton, SIGNAL(clicked()), this, SLOT(stop()));
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100 connect(openButton, SIGNAL(clicked()), this, SLOT(open()));
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101 connect(tryAgainButton, SIGNAL(clicked()), this, SLOT(tryAgain()));
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102
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103 init();
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104 }
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105
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106
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107 bool downloading()
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108 {
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109 return (progressBar.isVisible());
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110 }
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111
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112
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113 bool downloadedSuccessfully()
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114 {
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115 return (stopButton.isHidden() && tryAgainButton.isHidden());
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116 }
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117
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118
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119 QUrl m_url;
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120
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121 QFile m_output;
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122 QNetworkReply *m_reply;
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123
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124 private slots:
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125 void stop()
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126 {
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127 setUpdatesEnabled(false);
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128 stopButton.setEnabled(false);
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129 stopButton.hide();
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130 tryAgainButton.setEnabled(true);
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131 tryAgainButton.show();
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132 setUpdatesEnabled(true);
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133 m_reply.abort();
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134 }
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135
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136 void tryAgain()
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137 {
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138 if (!tryAgainButton.isEnabled())
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139 return;
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140
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141 tryAgainButton.setEnabled(false);
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142 tryAgainButton.setVisible(false);
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143 stopButton.setEnabled(true);
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144 stopButton.setVisible(true);
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145 progressBar.setVisible(true);
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146
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147 QNetworkReply *r = BrowserApplication::networkAccessManager().get(QNetworkRequest(m_url));
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148 if (m_reply)
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149 m_reply.deleteLater();
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150 if (m_output.exists())
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151 m_output.remove();
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152 m_reply = r;
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153 init();
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154 emit statusChanged();
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155 }
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156
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157 void open()
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158 {
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159 QFileInfo info(m_output);
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160 QUrl url = QUrl::fromLocalFile(info.absolutePath());
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161 QDesktopServices::openUrl(url);
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162 }
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163
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164 void downloadReadyRead()
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165 {
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166 if (m_requestFileName && m_output.fileName().isEmpty())
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167 return;
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168 if (!m_output.isOpen()) {
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169 // in case someone else has already put a file there
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170 if (!m_requestFileName)
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171 getFileName();
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172 if (!m_output.open(QIODevice::WriteOnly)) {
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173 downloadInfoLabel.setText(tr("Error opening save file: %1")
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174 .arg(m_output.errorString()));
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175 stopButton.click();
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176 emit statusChanged();
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177 return;
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178 }
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179 emit statusChanged();
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180 }
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181 if (-1 == m_output.write(m_reply.readAll())) {
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182 downloadInfoLabel.setText(tr("Error saving: %1")
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183 .arg(m_output.errorString()));
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184 stopButton.click();
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185 }
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186 }
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187
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188 void error(QNetworkReply::NetworkError code)
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189 {
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190 qDebug() << "DownloadItem::error" << m_reply.errorString() << m_url;
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191 downloadInfoLabel.setText(tr("Network Error: %1").arg(m_reply.errorString()));
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192 tryAgainButton.setEnabled(true);
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193 tryAgainButton.setVisible(true);
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194 }
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195
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196
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197 void downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
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198 {
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199 m_bytesReceived = bytesReceived;
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200 if (bytesTotal == -1) {
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201 progressBar.setValue(0);
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202 progressBar.setMaximum(0);
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203 } else {
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204 progressBar.setValue(bytesReceived);
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205 progressBar.setMaximum(bytesTotal);
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206 }
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207 updateInfoLabel();
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208 }
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209
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210
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211 void metaDataChanged()
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212 {
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213 qDebug() << "DownloadItem::metaDataChanged: not handled.";
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214 }
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215
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216 void finished()
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217 {
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218 progressBar.hide();
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219 stopButton.setEnabled(false);
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220 stopButton.hide();
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221 m_output.close();
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222 updateInfoLabel();
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223 emit statusChanged();
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224 }
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225
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226 private:
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227 void getFileName()
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228 {
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229 QSettings settings;
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230 settings.beginGroup(QLatin1String("downloadmanager"));
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231 QString defaultLocation = QDesktopServices::storageLocation(QDesktopServices::DesktopLocation);
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232 QString downloadDirectory = settings.value(QLatin1String("downloadDirectory"), defaultLocation).toString();
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233 if (!downloadDirectory.isEmpty())
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234 downloadDirectory += QLatin1Char('/');
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235
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236 QString defaultFileName = saveFileName(downloadDirectory);
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237 QString fileName = defaultFileName;
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238 if (m_requestFileName) {
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239 fileName = QFileDialog::getSaveFileName(this, tr("Save File"), defaultFileName);
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240 if (fileName.isEmpty()) {
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241 m_reply.close();
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242 fileNameLabel.setText(tr("Download canceled: %1").arg(QFileInfo(defaultFileName).fileName()));
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243 return;
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244 }
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245 }
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246 m_output.setFileName(fileName);
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247 fileNameLabel.setText(QFileInfo(m_output.fileName()).fileName());
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248 if (m_requestFileName)
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249 downloadReadyRead();
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250 }
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251
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252 void init()
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253 {
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254 if (!m_reply)
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255 return;
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256
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257 // attach to the m_reply
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258 m_url = m_reply.url();
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259 m_reply.setParent(this);
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260 connect(m_reply, SIGNAL(readyRead()), this, SLOT(downloadReadyRead()));
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261 connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)),
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262 this, SLOT(error(QNetworkReply::NetworkError)));
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263 connect(m_reply, SIGNAL(downloadProgress(qint64, qint64)),
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264 this, SLOT(downloadProgress(qint64, qint64)));
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265 connect(m_reply, SIGNAL(metaDataChanged()),
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266 this, SLOT(metaDataChanged()));
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267 connect(m_reply, SIGNAL(finished()),
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268 this, SLOT(finished()));
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269
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270 // reset info
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271 downloadInfoLabel.clear();
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272 progressBar.setValue(0);
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273 getFileName();
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274
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275 // start timer for the download estimation
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276 m_downloadTime.start();
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277
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278 if (m_reply.error() != QNetworkReply::NoError) {
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279 error(m_reply.error());
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280 finished();
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281 }
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282 }
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283
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284 void updateInfoLabel()
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285 {
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286 if (m_reply.error() == QNetworkReply::NoError)
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287 return;
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288
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289 qint64 bytesTotal = progressBar.maximum();
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290 bool running = !downloadedSuccessfully();
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291
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292 // update info label
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293 double speed = m_bytesReceived * 1000.0 / m_downloadTime.elapsed();
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294 double timeRemaining = ((double)(bytesTotal - m_bytesReceived)) / speed;
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295 QString timeRemainingString = tr("seconds");
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296 if (timeRemaining > 60) {
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297 timeRemaining = timeRemaining / 60;
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298 timeRemainingString = tr("minutes");
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299 }
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300 timeRemaining = floor(timeRemaining);
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301
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302 // When downloading the eta should never be 0
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303 if (timeRemaining == 0)
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304 timeRemaining = 1;
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305
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306 QString info;
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307 if (running) {
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308 QString remaining;
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309 if (bytesTotal != 0)
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310 remaining = tr("- %4 %5 remaining")
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311 .arg(timeRemaining)
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312 .arg(timeRemainingString);
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313 info = QString(tr("%1 of %2 (%3/sec) %4"))
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314 .arg(dataString(m_bytesReceived))
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315 .arg(bytesTotal == 0 ? tr("?") : dataString(bytesTotal))
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316 .arg(dataString((int)speed))
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317 .arg(remaining);
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318 } else {
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319 if (m_bytesReceived == bytesTotal)
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320 info = dataString(m_output.size());
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321 else
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322 info = tr("%1 of %2 - Stopped")
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323 .arg(dataString(m_bytesReceived))
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324 .arg(dataString(bytesTotal));
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325 }
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326 downloadInfoLabel.setText(info);
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327 }
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328
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329 QString dataString(int size)
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330 {
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331 QString unit;
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332 if (size < 1024) {
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333 unit = tr("bytes");
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334 } else if (size < 1024*1024) {
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335 size /= 1024;
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336 unit = tr("kB");
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337 } else {
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338 size /= 1024*1024;
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339 unit = tr("MB");
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340 }
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341 return QString(QLatin1String("%1 %2")).arg(size).arg(unit);
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342 }
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343
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344 QString saveFileName(const QString &directory);
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345 {
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346 // Move this function into QNetworkReply to also get file name sent from the server
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347 QString path = m_url.path();
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348 QFileInfo info(path);
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349 QString baseName = info.completeBaseName();
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350 QString endName = info.suffix();
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351
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352 if (baseName.isEmpty()) {
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353 baseName = QLatin1String("unnamed_download");
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354 qDebug() << "DownloadManager:: downloading unknown file:" << m_url;
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355 }
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356 QString name = directory + baseName + QLatin1Char('.') + endName;
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357 if (QFile::exists(name)) {
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358 // already exists, don't overwrite
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359 int i = 1;
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360 do {
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361 name = directory + baseName + QLatin1Char('-') + QString::number(i++) + QLatin1Char('.') + endName;
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362 } while (QFile::exists(name));
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363 }
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364 return name;
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365 }
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366
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367 bool m_requestFileName;
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368 qint64 m_bytesReceived;
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369 QTime m_downloadTime;
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370 };
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371
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372 class AutoSaver;
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373 class DownloadModel;
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374 QT_BEGIN_NAMESPACE
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375 class QFileIconProvider;
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376 QT_END_NAMESPACE
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377
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378 class DownloadManager : public QDialog, public Ui_DownloadDialog
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379 {
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380 Q_OBJECT
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381 Q_PROPERTY(RemovePolicy removePolicy READ removePolicy WRITE setRemovePolicy)
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382 Q_ENUMS(RemovePolicy)
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383
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384 public:
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385 enum RemovePolicy {
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386 Never,
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387 Exit,
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388 SuccessFullDownload
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389 };
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390
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391 /*!
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392 DownloadManager is a Dialog that contains a list of DownloadItems
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393
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394 It is a basic download manager. It only downloads the file, doesn't do BitTorrent,
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395 extract zipped files or anything fancy.
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396 */
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397 this(QWidget *parent = null)
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398 : QDialog(parent)
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399 , m_autoSaver(new AutoSaver(this))
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400 , m_manager(BrowserApplication::networkAccessManager())
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401 , m_iconProvider(0)
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402 , m_removePolicy(Never)
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403 {
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404 setupUi(this);
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405 downloadsView.setShowGrid(false);
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406 downloadsView.verticalHeader().hide();
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407 downloadsView.horizontalHeader().hide();
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408 downloadsView.setAlternatingRowColors(true);
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409 downloadsView.horizontalHeader().setStretchLastSection(true);
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410 m_model = new DownloadModel(this);
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411 downloadsView.setModel(m_model);
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412 connect(cleanupButton, SIGNAL(clicked()), this, SLOT(cleanup()));
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413 load();
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414 }
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415
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416 ~this()
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417 {
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418 m_autoSaver.changeOccurred();
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419 m_autoSaver.saveIfNeccessary();
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420 if (m_iconProvider)
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421 delete m_iconProvider;
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422 }
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423
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424 int activeDownloads()
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425 {
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426 int count = 0;
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427 for (int i = 0; i < m_downloads.count(); ++i) {
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428 if (m_downloads.at(i).stopButton.isEnabled())
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429 ++count;
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430 }
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431 return count;
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432 }
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433
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434 RemovePolicy removePolicy()
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435 {
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436 return m_removePolicy;
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437 }
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438
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439 void setRemovePolicy(RemovePolicy policy)
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440 {
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441 if (policy == m_removePolicy)
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|
|
442 return;
|
|
|
443 m_removePolicy = policy;
|
|
|
444 m_autoSaver.changeOccurred();
|
|
|
445 }
|
|
|
446
|
|
|
447
|
|
|
448 public slots:
|
|
|
449 void download(const QNetworkRequest &request, bool requestFileName = false);
|
|
|
450 {
|
|
|
451 if (request.url().isEmpty())
|
|
|
452 return;
|
|
|
453 handleUnsupportedContent(m_manager.get(request), requestFileName);
|
|
|
454 }
|
|
|
455
|
|
|
456
|
|
|
457 inline void download(const QUrl &url, bool requestFileName = false)
|
|
|
458 { download(QNetworkRequest(url), requestFileName); }
|
|
|
459 void handleUnsupportedContent(QNetworkReply *reply, bool requestFileName = false);
|
|
|
460 {
|
|
|
461 if (!reply || reply.url().isEmpty())
|
|
|
462 return;
|
|
|
463 QVariant header = reply.header(QNetworkRequest::ContentLengthHeader);
|
|
|
464 bool ok;
|
|
|
465 int size = header.toInt(&ok);
|
|
|
466 if (ok && size == 0)
|
|
|
467 return;
|
|
|
468
|
|
|
469 qDebug() << "DownloadManager::handleUnsupportedContent" << reply.url() << "requestFileName" << requestFileName;
|
|
|
470 DownloadItem *item = new DownloadItem(reply, requestFileName, this);
|
|
|
471 addItem(item);
|
|
|
472 }
|
|
|
473
|
|
|
474 void cleanup()
|
|
|
475 {
|
|
|
476 if (m_downloads.isEmpty())
|
|
|
477 return;
|
|
|
478 m_model.removeRows(0, m_downloads.count());
|
|
|
479 updateItemCount();
|
|
|
480 if (m_downloads.isEmpty() && m_iconProvider) {
|
|
|
481 delete m_iconProvider;
|
|
|
482 m_iconProvider = 0;
|
|
|
483 }
|
|
|
484 m_autoSaver.changeOccurred();
|
|
|
485 }
|
|
|
486
|
|
|
487 private slots:
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|
|
488 void save()
|
|
|
489 {
|
|
|
490 QSettings settings;
|
|
|
491 settings.beginGroup(QLatin1String("downloadmanager"));
|
|
|
492 QMetaEnum removePolicyEnum = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("RemovePolicy"));
|
|
|
493 settings.setValue(QLatin1String("removeDownloadsPolicy"), QLatin1String(removePolicyEnum.valueToKey(m_removePolicy)));
|
|
|
494 settings.setValue(QLatin1String("size"), size());
|
|
|
495 if (m_removePolicy == Exit)
|
|
|
496 return;
|
|
|
497
|
|
|
498 for (int i = 0; i < m_downloads.count(); ++i) {
|
|
|
499 QString key = QString(QLatin1String("download_%1_")).arg(i);
|
|
|
500 settings.setValue(key + QLatin1String("url"), m_downloads[i].m_url);
|
|
|
501 settings.setValue(key + QLatin1String("location"), QFileInfo(m_downloads[i].m_output).filePath());
|
|
|
502 settings.setValue(key + QLatin1String("done"), m_downloads[i].downloadedSuccessfully());
|
|
|
503 }
|
|
|
504 int i = m_downloads.count();
|
|
|
505 QString key = QString(QLatin1String("download_%1_")).arg(i);
|
|
|
506 while (settings.contains(key + QLatin1String("url"))) {
|
|
|
507 settings.remove(key + QLatin1String("url"));
|
|
|
508 settings.remove(key + QLatin1String("location"));
|
|
|
509 settings.remove(key + QLatin1String("done"));
|
|
|
510 key = QString(QLatin1String("download_%1_")).arg(++i);
|
|
|
511 }
|
|
|
512 }
|
|
|
513
|
|
|
514 void updateRow()
|
|
|
515 {
|
|
|
516 DownloadItem *item = qobject_cast<DownloadItem*>(sender());
|
|
|
517 int row = m_downloads.indexOf(item);
|
|
|
518 if (-1 == row)
|
|
|
519 return;
|
|
|
520 if (!m_iconProvider)
|
|
|
521 m_iconProvider = new QFileIconProvider();
|
|
|
522 QIcon icon = m_iconProvider.icon(item.m_output.fileName());
|
|
|
523 if (icon.isNull())
|
|
|
524 icon = style().standardIcon(QStyle::SP_FileIcon);
|
|
|
525 item.fileIcon.setPixmap(icon.pixmap(48, 48));
|
|
|
526 downloadsView.setRowHeight(row, item.minimumSizeHint().height());
|
|
|
527
|
|
|
528 bool remove = false;
|
|
|
529 QWebSettings *globalSettings = QWebSettings::globalSettings();
|
|
|
530 if (!item.downloading()
|
|
|
531 && globalSettings.testAttribute(QWebSettings::PrivateBrowsingEnabled))
|
|
|
532 remove = true;
|
|
|
533
|
|
|
534 if (item.downloadedSuccessfully()
|
|
|
535 && removePolicy() == DownloadManager::SuccessFullDownload) {
|
|
|
536 remove = true;
|
|
|
537 }
|
|
|
538 if (remove)
|
|
|
539 m_model.removeRow(row);
|
|
|
540
|
|
|
541 cleanupButton.setEnabled(m_downloads.count() - activeDownloads() > 0);
|
|
|
542 }
|
|
|
543
|
|
|
544 private:
|
|
|
545 void addItem(DownloadItem *item)
|
|
|
546 {
|
|
|
547 connect(item, SIGNAL(statusChanged()), this, SLOT(updateRow()));
|
|
|
548 int row = m_downloads.count();
|
|
|
549 m_model.beginInsertRows(QModelIndex(), row, row);
|
|
|
550 m_downloads.append(item);
|
|
|
551 m_model.endInsertRows();
|
|
|
552 updateItemCount();
|
|
|
553 if (row == 0)
|
|
|
554 show();
|
|
|
555 downloadsView.setIndexWidget(m_model.index(row, 0), item);
|
|
|
556 QIcon icon = style().standardIcon(QStyle::SP_FileIcon);
|
|
|
557 item.fileIcon.setPixmap(icon.pixmap(48, 48));
|
|
|
558 downloadsView.setRowHeight(row, item.sizeHint().height());
|
|
|
559 }
|
|
|
560
|
|
|
561
|
|
|
562 void updateItemCount()
|
|
|
563 {
|
|
|
564 int count = m_downloads.count();
|
|
|
565 itemCount.setText(count == 1 ? tr("1 Download") : tr("%1 Downloads").arg(count));
|
|
|
566 }
|
|
|
567
|
|
|
568 DownloadModel::DownloadModel(DownloadManager *downloadManager, QObject *parent)
|
|
|
569 : QAbstractListModel(parent)
|
|
|
570 , m_downloadManager(downloadManager)
|
|
|
571 {
|
|
|
572 }
|
|
|
573
|
|
|
574 void load()
|
|
|
575 {
|
|
|
576 QSettings settings;
|
|
|
577 settings.beginGroup(QLatin1String("downloadmanager"));
|
|
|
578 QSize size = settings.value(QLatin1String("size")).toSize();
|
|
|
579 if (size.isValid())
|
|
|
580 resize(size);
|
|
|
581 QByteArray value = settings.value(QLatin1String("removeDownloadsPolicy"), QLatin1String("Never")).toByteArray();
|
|
|
582 QMetaEnum removePolicyEnum = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("RemovePolicy"));
|
|
|
583 m_removePolicy = removePolicyEnum.keyToValue(value) == -1 ?
|
|
|
584 Never :
|
|
|
585 static_cast<RemovePolicy>(removePolicyEnum.keyToValue(value));
|
|
|
586
|
|
|
587 int i = 0;
|
|
|
588 QString key = QString(QLatin1String("download_%1_")).arg(i);
|
|
|
589 while (settings.contains(key + QLatin1String("url"))) {
|
|
|
590 QUrl url = settings.value(key + QLatin1String("url")).toUrl();
|
|
|
591 QString fileName = settings.value(key + QLatin1String("location")).toString();
|
|
|
592 bool done = settings.value(key + QLatin1String("done"), true).toBool();
|
|
|
593 if (!url.isEmpty() && !fileName.isEmpty()) {
|
|
|
594 DownloadItem *item = new DownloadItem(0, this);
|
|
|
595 item.m_output.setFileName(fileName);
|
|
|
596 item.fileNameLabel.setText(QFileInfo(item.m_output.fileName()).fileName());
|
|
|
597 item.m_url = url;
|
|
|
598 item.stopButton.setVisible(false);
|
|
|
599 item.stopButton.setEnabled(false);
|
|
|
600 item.tryAgainButton.setVisible(!done);
|
|
|
601 item.tryAgainButton.setEnabled(!done);
|
|
|
602 item.progressBar.setVisible(!done);
|
|
|
603 addItem(item);
|
|
|
604 }
|
|
|
605 key = QString(QLatin1String("download_%1_")).arg(++i);
|
|
|
606 }
|
|
|
607 cleanupButton.setEnabled(m_downloads.count() - activeDownloads() > 0);
|
|
|
608 }
|
|
|
609
|
|
|
610 AutoSaver *m_autoSaver;
|
|
|
611 DownloadModel *m_model;
|
|
|
612 QNetworkAccessManager *m_manager;
|
|
|
613 QFileIconProvider *m_iconProvider;
|
|
|
614 QList<DownloadItem*> m_downloads;
|
|
|
615 RemovePolicy m_removePolicy;
|
|
|
616 friend class DownloadModel;
|
|
|
617 };
|
|
|
618
|
|
|
619 class DownloadModel : public QAbstractListModel
|
|
|
620 {
|
|
|
621 friend class DownloadManager;
|
|
|
622 Q_OBJECT
|
|
|
623
|
|
|
624 public:
|
|
|
625 DownloadModel(DownloadManager *downloadManager, QObject *parent = 0);
|
|
|
626 QVariant data(const QModelIndex &index, int role = Qt.DisplayRole)
|
|
|
627 {
|
|
|
628 if (index.row() < 0 || index.row() >= rowCount(index.parent()))
|
|
|
629 return QVariant();
|
|
|
630 if (role == Qt.ToolTipRole)
|
|
|
631 if (!m_downloadManager.m_downloads.at(index.row()).downloadedSuccessfully())
|
|
|
632 return m_downloadManager.m_downloads.at(index.row()).downloadInfoLabel.text();
|
|
|
633 return QVariant();
|
|
|
634 }
|
|
|
635
|
|
|
636 int rowCount(const QModelIndex &parent = QModelIndex())
|
|
|
637 {
|
|
|
638 return (parent.isValid()) ? 0 : m_downloadManager.m_downloads.count();
|
|
|
639 }
|
|
|
640
|
|
|
641
|
|
|
642 bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex())
|
|
|
643 {
|
|
|
644 if (parent.isValid())
|
|
|
645 return false;
|
|
|
646
|
|
|
647 int lastRow = row + count - 1;
|
|
|
648 for (int i = lastRow; i >= row; --i) {
|
|
|
649 if (m_downloadManager.m_downloads.at(i).downloadedSuccessfully()
|
|
|
650 || m_downloadManager.m_downloads.at(i).tryAgainButton.isEnabled()) {
|
|
|
651 beginRemoveRows(parent, i, i);
|
|
|
652 m_downloadManager.m_downloads.takeAt(i).deleteLater();
|
|
|
653 endRemoveRows();
|
|
|
654 }
|
|
|
655 }
|
|
|
656 m_downloadManager.m_autoSaver.changeOccurred();
|
|
|
657 return true;
|
|
|
658 }
|
|
|
659
|
|
|
660 private:
|
|
|
661 DownloadManager *m_downloadManager;
|
|
|
662
|
|
|
663 }
|
