annotate ui/mainwindow.cpp @ 92:4980b0deb773

Fix memleak in case of invalid signature
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 21 Mar 2014 09:47:54 +0000
parents 1f27d6db5ee3
children c0fdb8d336cf
rev   line source
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1 #include "mainwindow.h"
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2
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3 #include <QDebug>
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4 #include <QMessageBox>
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5 #include <QSystemTrayIcon>
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6 #include <QAction>
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7 #include <QDialog>
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8 #include <QMenu>
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9 #include <QApplication>
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10 #include <QFile>
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11 #include <QTimer>
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12
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13 // The amount of time in minutes stay silent if we have
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14 // something to say
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15 #define NAG_INTERVAL_MINUTES 2
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17 #define SERVER_URL "https://files.kolab.org:443"
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18 #define LIST_RESOURCE "/incoming/aheinecke/test"
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19 #define SW_RESOURCE "/incoming/aheinecke/test"
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20
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21 #include "certificatelist.h"
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22 #include "downloader.h"
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23 #include "listupdatedialog.h"
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24
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25 MainWindow::MainWindow() {
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26 createActions();
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27 createTrayIcon();
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28 qRegisterMetaType<SSLConnection::ErrorCode>("SSLConnection::ErrorCode");
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29
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30 connect(mTrayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
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31 this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
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32
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33 mMessageTimer = new QTimer(this);
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34 connect(mMessageTimer, SIGNAL(timeout()), this, SLOT(showMessage()));
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35 mMessageTimer->setInterval(NAG_INTERVAL_MINUTES * 60 * 1000);
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36 mMessageTimer->start();
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37 checkUpdates();
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38 }
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39
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40 void MainWindow::iconActivated(QSystemTrayIcon::ActivationReason reason)
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41 {
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42 switch (reason) {
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43 case QSystemTrayIcon::Trigger:
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44 case QSystemTrayIcon::MiddleClick:
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45 showMessage();
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46 break;
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47 case QSystemTrayIcon::DoubleClick:
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48 // TODO show menu
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49 break;
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50 default:
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51 ;
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52 }
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53 }
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54
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55 void MainWindow::messageClicked()
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56 {
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57 if (mCurState == NewListAvailable) {
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58 ListUpdateDialog *listUpdateDialog = new ListUpdateDialog(this,
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59 mListToInstall);
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60 listUpdateDialog->show();
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61 qDebug() << "NewListAvailable";
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62 }
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63 }
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64
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65 void MainWindow::showMessage()
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66 {
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67 if (!mCurMessage.isEmpty()) {
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68 mTrayIcon->showMessage(QApplication::applicationName(), mCurMessage,
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69 QSystemTrayIcon::Information, 5000);
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70 mMessageTimer->start(); // Restart the timer so that we don't spam
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71 }
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72 }
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73
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74 void MainWindow::verifyAvailableData()
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75 {
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76 QString listFileName = mSettings.value("List/available").toString();
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77 QString swFileName = mSettings.value("Software/available").toString();
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78
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79 if (!listFileName.isEmpty()) {
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80 mListToInstall.readList(listFileName.toLocal8Bit().constData());
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81 if (!mListToInstall.isValid()) {
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82 mCurState = TransferError;
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83 // Probably a bug when Qt fileName is encoded and cFileName
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84 // fails because of this. This needs a unit test!
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85 // Maybe check that the file is in our data directory
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86 QFile::remove(listFileName);
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87 mSettings.remove("List/available");
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88 mSettings.remove("List/availableDate");
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89 }
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90 } else {
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91 // Make sure the available notation is also removed
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92 mSettings.remove("List/available");
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93 mSettings.remove("List/availableDate");
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94 }
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95
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96 if (!swFileName.isEmpty()) {
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97 // TODO
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98 } else {
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99 mSettings.remove("Software/available");
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100 mSettings.remove("Software/availableDate");
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101 }
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102 }
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103
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104 void MainWindow::handleNewList(const QString& fileName, const QDateTime& modDate) {
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105 mSettings.setValue("List/available", fileName);
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106 mSettings.setValue("List/availableDate", modDate);
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107
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108 verifyAvailableData();
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109 if (!mListToInstall.isValid()) {
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110 /* Downloader provided invalid files */
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111 /* TODO: Error count. Error handling. Otherwise
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112 * we can go into an endless loop here */
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113
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114 /* Retry the download again in 10 - 20 minutes */
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115 QTimer::singleShot(600000 + (qrand() % 60000), this, SLOT(checkUpdates()));
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116 } else {
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117 mCurMessage = tr("An updated certificate list is available. Click here to install.");
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118 setState(NewListAvailable);
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119 showMessage();
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120 }
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121 }
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122
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123 void MainWindow::handleNewSW(const QString& fileName, const QDateTime& modDate) {
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124 mCurMessage = tr("An update for %1 is available. Click here to install.").arg(
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125 QApplication::applicationName());
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126 setState(NewSoftwareAvailable);
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127 mSettings.setValue("Software/available", fileName);
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128 mSettings.setValue("Software/availableDate", modDate);
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129
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130 mSettings.sync();
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131 showMessage();
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132 }
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133
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134 void MainWindow::checkUpdates()
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135 {
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136 verifyAvailableData();
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137
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138 QDateTime listInstalledLastMod = mSettings.value("List/installedDate").toDateTime();
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139 QDateTime swInstalledLastMod = mSettings.value("Software/installedDate").toDateTime();
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140
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141 Downloader* downloader = new Downloader(this,
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142 QString::fromLatin1(SERVER_URL),
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143 QByteArray(),
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144 QDateTime::currentDateTime(),
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145 // swInstalledLastMod,
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146 listInstalledLastMod,
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147 QString::fromLatin1(SW_RESOURCE),
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148 QString::fromLatin1(LIST_RESOURCE));
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149
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150 connect(downloader, SIGNAL(newListAvailable(const QString&, const QDateTime&)),
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151 this, SLOT(handleNewList(const QString&, const QDateTime&)));
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152 connect(downloader, SIGNAL(newSoftwareAvailable(const QString&, const QDateTime&)),
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153 this, SLOT(handleNewSW(const QString&, const QDateTime&)));
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154 connect(downloader, SIGNAL(finished()), downloader, SLOT(deleteLater()));
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155 connect(downloader, SIGNAL(error(const QString &, SSLConnection::ErrorCode)),
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156 this, SLOT(downloaderError(const QString &, SSLConnection::ErrorCode)));
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157 downloader->start();
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158 }
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159
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160
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161 void MainWindow::downloaderError(const QString &message, SSLConnection::ErrorCode error)
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162 {
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163 mCurMessage = message;
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164 showMessage();
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165 }
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166
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167
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168 void MainWindow::createActions()
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169 {
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170 mCheckUpdates = new QAction(tr("Check for Updates"), this);
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171 connect(mCheckUpdates, SIGNAL(triggered()), this, SLOT(checkUpdates()));
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172 mQuitAction = new QAction(tr("Quit"), this);
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173 connect(mQuitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
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174 }
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175
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176 void MainWindow::createTrayIcon()
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177 {
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178 QIcon trayImg(":/img/tray_22.png");
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179
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180 mTrayMenu = new QMenu(this);
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181 mTrayMenu->addAction(mCheckUpdates);
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182 mTrayMenu->addAction(mQuitAction);
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183
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184 mTrayIcon = new QSystemTrayIcon(this);
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185 mTrayIcon->setContextMenu(mTrayMenu);
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186
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187 mTrayIcon->setIcon(trayImg);
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188 setWindowIcon(trayImg);
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189 mTrayIcon->show();
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190 mTrayIcon->setToolTip(tr("m13ui"));
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191
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192 connect(mTrayIcon, SIGNAL(messageClicked()), this, SLOT(messageClicked()));
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193 }

http://wald.intevation.org/projects/trustbridge/