introduce beginInstallation() method in Component

 - with this we have the possiblity to set some variables or show a messagebox if that component is really installed, like to ask the user to stop a process

Change-Id: Ibe2044006835b301fd13e5ba226dc81ae6e25244
Reviewed-by: Niels Weber <niels.2.weber@nokia.com>
Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>

4 files changed, 21 insertions, 0 deletions

diff --git a/installerbuilder/libinstaller/component.cpp b/installerbuilder/libinstaller/component.cpp
index cc93e0b55..81a41732c 100644
--- a/installerbuilder/libinstaller/component.cpp
+++ b/installerbuilder/libinstaller/component.cpp
@@ -601,6 +601,16 @@ void Component::createOperationsForArchive(const QString &archive)
     }
 }
 
+void Component::beginInstallation()
+{
+    // the script can override this method
+    if (callScriptMethod(QLatin1String("beginInstallation")).isValid()) {
+        d->m_operationsCreated = true;
+        return;
+    }
+}
+
+
 /*!
     Creates all operations needed to install this component.
     You can override this method by providing a method with the same name in the component script.
diff --git a/installerbuilder/libinstaller/component.h b/installerbuilder/libinstaller/component.h
index 2c1421535..c3d23c4e3 100644
--- a/installerbuilder/libinstaller/component.h
+++ b/installerbuilder/libinstaller/component.h
@@ -108,6 +108,7 @@ public:
     QStringList userInterfaces() const;
     QHash<QString, QPair<QString, QString> > licenses() const;
     Q_INVOKABLE QWidget *userInterface(const QString &name) const;
+    Q_INVOKABLE virtual void beginInstallation();
     Q_INVOKABLE virtual void createOperations();
     Q_INVOKABLE virtual void createOperationsForArchive(const QString &archive);
     Q_INVOKABLE virtual void createOperationsForPath(const QString &path);
diff --git a/installerbuilder/libinstaller/packagemanagercore_p.cpp b/installerbuilder/libinstaller/packagemanagercore_p.cpp
index df6e6bff8..e3c1c7754 100644
--- a/installerbuilder/libinstaller/packagemanagercore_p.cpp
+++ b/installerbuilder/libinstaller/packagemanagercore_p.cpp
@@ -692,6 +692,12 @@ void PackageManagerCorePrivate::readUninstallerIniFile(const QString &targetDir)
     m_settings.addUserRepositories(repositories);
 }
 
+void PackageManagerCorePrivate::callBeginInstallation(const QList<Component*> &componentList)
+{
+    foreach (Component *component, componentList)
+        component->beginInstallation();
+}
+
 void PackageManagerCorePrivate::stopProcessesForUpdates(const QList<Component*> &components)
 {
     QStringList processList;
@@ -1234,6 +1240,7 @@ void PackageManagerCorePrivate::runInstaller()
         // Clear the packages as we might install into an already existing installation folder.
         m_updaterApplication.packagesInfo()->clearPackageInfoList();
 
+        callBeginInstallation(componentsToInstall);
         stopProcessesForUpdates(componentsToInstall);
 
         const int progressOperationCount = countProgressOperations(componentsToInstall);
@@ -1398,6 +1405,7 @@ void PackageManagerCorePrivate::runPackageUpdater()
         }
         m_performedOperationsOld = nonRevertedOperations; // these are all operations left: those not reverted
 
+        callBeginInstallation(componentsToInstall);
         stopProcessesForUpdates(componentsToInstall);
 
         const double progressOperationCount = countProgressOperations(componentsToInstall);
@@ -1470,6 +1478,7 @@ void PackageManagerCorePrivate::runUninstaller()
         const double undoOperationProgressSize = double(1) / double(uninstallOperationCount);
 
         //yes uninstallation is like an update on the component so please inform the user to stop processes
+        callBeginInstallation(m_core->availableComponents());
         stopProcessesForUpdates(m_core->availableComponents());
 
         runUndoOperations(undoOperations, undoOperationProgressSize, adminRightsGained, false);
diff --git a/installerbuilder/libinstaller/packagemanagercore_p.h b/installerbuilder/libinstaller/packagemanagercore_p.h
index d58f269a1..4792c9153 100644
--- a/installerbuilder/libinstaller/packagemanagercore_p.h
+++ b/installerbuilder/libinstaller/packagemanagercore_p.h
@@ -124,6 +124,7 @@ public:
     QString replaceVariables(const QString &str) const;
     QByteArray replaceVariables(const QByteArray &str) const;
 
+    void callBeginInstallation(const QList<Component*> &componentList);
     void stopProcessesForUpdates(const QList<Component*> &components);
     int countProgressOperations(const QList<Component*> &components);
     int countProgressOperations(const OperationList &operations);