From e2e31f26bce9092426c8193abaf066536f8d3d9c Mon Sep 17 00:00:00 2001
From: kh1 <qt-info@nokia.com>
Date: Wed, 1 Jun 2011 15:21:55 +0200
Subject: Keep the installer on the stack.

---
 examples/testapp/mainwindow.cpp | 32 ++++++++++++++++++--------------
 examples/testapp/mainwindow.h   |  3 +--
 2 files changed, 19 insertions(+), 16 deletions(-)

(limited to 'examples/testapp')

diff --git a/examples/testapp/mainwindow.cpp b/examples/testapp/mainwindow.cpp
index 7347de99c..81a613e2c 100644
--- a/examples/testapp/mainwindow.cpp
+++ b/examples/testapp/mainwindow.cpp
@@ -54,9 +54,9 @@ using namespace QInstallerCreator;
 MainWindow::MainWindow(const QStringList &args, QWidget *parent)
     : QMainWindow(parent)
     , m_dialog(new UpdateSettingsDialog(this))
-    , m_installer(new Installer(QInstaller::MagicUpdaterMarker))
 {
-    m_installer->setUpdaterApplication(&updaterapp);
+    m_installer.setUpdater();
+    m_installer.setUpdaterApplication(&updaterapp);
 
     QMenu *fm = menuBar()->addMenu(QObject::tr("File"));
     fm->addAction(QObject::tr("Check for Updates"), this, SLOT(checkForUpdates()),
@@ -69,7 +69,7 @@ MainWindow::MainWindow(const QStringList &args, QWidget *parent)
     label->setWordWrap(true);
     label->setAlignment(Qt::AlignCenter);
     setCentralWidget(label);
-    label->setText(QString::fromLatin1("Version: %1\n").arg(m_installer->settings().applicationVersion())
+    label->setText(QString::fromLatin1("Version: %1\n").arg(m_installer.settings().applicationVersion())
         + args.join(QLatin1String(" ")));
 
     updaterapp.packagesInfo()->setApplicationName(m_settings.applicationName());
@@ -92,44 +92,48 @@ void MainWindow::checkForUpdates()
 
     UpdateSettings settings;
     try {
-        m_installer->setTemporaryRepositories(settings.repositories());
+        m_installer.setTemporaryRepositories(settings.repositories());
         settings.setLastCheck(QDateTime::currentDateTime());
 
-        m_installer->fetchUpdaterPackages();
+        if (!m_installer.fetchUpdaterPackages()) {
+            settings.setLastResult(tr("Software Update failed."));
+            QMessageBox::information(this, tr("Check for Updates"), tr("Failed to retrieve updates!"));
+            return;
+        }
 
         // no updates for us
-        if(m_installer->components(false, UpdaterMode).isEmpty()) {
+        if(m_installer.components(false, UpdaterMode).isEmpty()) {
             QMessageBox::information(this, tr("Check for Updates"), tr("There are currently no updates "
                 "available for you."));
             return;
         }
 
         // set the target directory to the actual one
-        m_installer->setValue(QLatin1String("TargetDir"), QFileInfo(updaterapp.packagesInfo()->fileName())
+        m_installer.setValue(QLatin1String("TargetDir"), QFileInfo(updaterapp.packagesInfo()->fileName())
             .absolutePath());
 
         // this will automatically mark components as to get installed
-        ComponentSelectionDialog componentSelection(m_installer, this);
+        ComponentSelectionDialog componentSelection(&m_installer, this);
         if(componentSelection.exec() == QDialog::Rejected)
             return;
 
         QProgressDialog dialog(this);
         dialog.setRange(0, 100);
         dialog.show();
-        connect(&dialog, SIGNAL(canceled()), m_installer, SLOT(interrupt()));
-        connect(m_installer, SIGNAL(installationProgressTextChanged(QString)), &dialog,
+        connect(&dialog, SIGNAL(canceled()), &m_installer, SLOT(interrupt()));
+        connect(&m_installer, SIGNAL(installationProgressTextChanged(QString)), &dialog,
             SLOT(setLabelText(QString)));
-        connect(m_installer, SIGNAL(installationProgressChanged(int)), &dialog, SLOT(setValue(int)));
-        m_installer->installSelectedComponents();
+        connect(&m_installer, SIGNAL(installationProgressChanged(int)), &dialog, SLOT(setValue(int)));
+        m_installer.installSelectedComponents();
         updatesInstalled();
     } catch (const QInstaller::Error &error) {
         QMessageBox::critical(this, tr("Check for Updates"), tr("Error while installing updates:\n%1")
             .arg(error.what()));
-        m_installer->rollBackInstallation();
+        m_installer.rollBackInstallation();
         settings.setLastResult(tr("Software Update failed."));
     } catch (...) {
         QMessageBox::critical(this, tr("Check for Updates"), tr("Unknown error while installing updates."));
-        m_installer->rollBackInstallation();
+        m_installer.rollBackInstallation();
         settings.setLastResult(tr("Software Update failed."));
     }
 }
diff --git a/examples/testapp/mainwindow.h b/examples/testapp/mainwindow.h
index 5b7d83461..e2ae37a8c 100644
--- a/examples/testapp/mainwindow.h
+++ b/examples/testapp/mainwindow.h
@@ -39,7 +39,6 @@ class MainWindow : public QMainWindow
 
 public:
     explicit MainWindow(const QStringList &args, QWidget *parent = 0);
-    ~MainWindow() { delete m_installer; }
 
 private Q_SLOTS:
     void editUpdateSettings();
@@ -49,8 +48,8 @@ private Q_SLOTS:
 
 private:
     UpdateSettingsDialog *m_dialog;
-    QInstaller::Installer *m_installer;
 
+    QInstaller::Installer m_installer;
     KDUpdater::Application updaterapp;
     QInstaller::InstallerSettings m_settings;
 };
-- 
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