Maemo: Optionally remove packaging data on target removal.

Task-number: QTCREATORBUG-2996

src/plugins/qt4projectmanager/qt-maemo/maemoglobal.cpp

@@ -149,6 +149,7 @@ MaemoGlobal::MaemoVersion MaemoGlobal::version(const QtVersion *qtVersion)
 
 bool MaemoGlobal::removeRecursively(const QString &filePath, QString &error)
 {
+    error.clear();
     QFileInfo fileInfo(filePath);
     if (!fileInfo.exists())
         return true;

src/plugins/qt4projectmanager/qt-maemo/maemotemplatesmanager.cpp

@@ -104,6 +104,8 @@ void MaemoTemplatesManager::handleActiveProjectChanged(ProjectExplorer::Project
         this, SLOT(handleTarget(ProjectExplorer::Target*)));
     connect(project, SIGNAL(activeTargetChanged(ProjectExplorer::Target*)),
         this, SLOT(handleTarget(ProjectExplorer::Target*)));
+    connect(project, SIGNAL(removedTarget(ProjectExplorer::Target*)),
+        SLOT(handleTargetRemoved(ProjectExplorer::Target*)));
     const QList<Target *> &targets = project->targets();
     foreach (Target * const target, targets)
         handleTarget(target);
@@ -143,6 +145,32 @@ bool MaemoTemplatesManager::handleTarget(ProjectExplorer::Target *target)
     return true;
 }
 
+void MaemoTemplatesManager::handleTargetRemoved(ProjectExplorer::Target *target)
+{
+    if (target->id() != QLatin1String(Constants::MAEMO_DEVICE_TARGET_ID))
+        return;
+    const QString debianPath = debianDirPath(target->project());
+    if (!QFileInfo(debianPath).exists())
+        return;
+    const int answer = QMessageBox::warning(0, tr("Qt Creator"),
+        tr("Do you want to remove the packaging directory\n"
+           "associated with the target?"),
+        QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+    if (answer == QMessageBox::No)
+        return;
+    QString error;
+    if (!MaemoGlobal::removeRecursively(debianPath, error))
+        qDebug("%s", qPrintable(error));
+    const QString packagingPath = target->project()->projectDirectory()
+        + QLatin1Char('/') + PackagingDirName;
+    const QStringList otherContents = QDir(packagingPath).entryList(QDir::Dirs
+        | QDir::Files | QDir::Hidden | QDir::NoDotAndDotDot);
+    if (otherContents.isEmpty()) {
+        if (!MaemoGlobal::removeRecursively(packagingPath, error))
+            qDebug("%s", qPrintable(error));
+    }
+}
+
 bool MaemoTemplatesManager::createDebianTemplatesIfNecessary(const ProjectExplorer::Target *target)
 {
     Project * const project = target->project();

src/plugins/qt4projectmanager/qt-maemo/maemotemplatesmanager.h

@@ -95,6 +95,7 @@ private slots:
     void handleDebianFileChanged(const QString &filePath);
     void handleProjectToBeRemoved(ProjectExplorer::Project *project);
     void handleProFileUpdated();
+    void handleTargetRemoved(ProjectExplorer::Target *target);
 
 private:
     explicit MaemoTemplatesManager(QObject *parent);