Changed: Uninstall previous Ryzom version if detected

--HG--
branch : develop

code/ryzom/tools/client/ryzom_installer/src/configfile.cpp

@@ -29,7 +29,7 @@ const CProfile NoProfile;
 
 CConfigFile *CConfigFile::s_instance = NULL;
 
-CConfigFile::CConfigFile(QObject *parent):QObject(parent), m_defaultServerIndex(0), m_defaultProfileIndex(0), m_use64BitsClient(false)
+CConfigFile::CConfigFile(QObject *parent):QObject(parent), m_defaultServerIndex(0), m_defaultProfileIndex(0), m_use64BitsClient(false), m_shouldUninstallOldClient(true)
 {
 	s_instance = this;
 
@@ -56,7 +56,8 @@ bool CConfigFile::load(const QString &filename)
 	m_language = settings.value("language", m_language).toString();
 	m_srcDirectory = settings.value("source_directory").toString();
 	m_installationDirectory = settings.value("installation_directory").toString();
-	m_use64BitsClient = settings.value("use_64bits_client").toBool();
+	m_use64BitsClient = settings.value("use_64bits_client", true).toBool();
+	m_shouldUninstallOldClient = settings.value("should_uninstall_old_client", true).toBool();
 	settings.endGroup();
 
 	settings.beginGroup("product");
@@ -149,6 +150,7 @@ bool CConfigFile::save() const
 	settings.setValue("source_directory", m_srcDirectory);
 	settings.setValue("installation_directory", m_installationDirectory);
 	settings.setValue("use_64bits_client", m_use64BitsClient);
+	settings.setValue("should_uninstall_old_client", m_shouldUninstallOldClient);
 	settings.endGroup();
 
 	settings.beginGroup("product");
@@ -363,6 +365,16 @@ void CConfigFile::setUse64BitsClient(bool on)
 	m_use64BitsClient = on;
 }
 
+bool CConfigFile::shouldUninstallOldClient() const
+{
+	return m_shouldUninstallOldClient;
+}
+
+void CConfigFile::setShouldUninstallOldClient(bool on)
+{
+	m_shouldUninstallOldClient = on;
+}
+
 QString CConfigFile::expandVariables(const QString &str) const
 {
 	QString res = str;
@@ -710,6 +722,11 @@ CConfigFile::InstallationStep CConfigFile::getNextStep() const
 		return CopyInstaller;
 	}
 
+	if (m_shouldUninstallOldClient && !getSrcServerDirectory().isEmpty() && QFile::exists(getSrcServerDirectory() + "/Uninstall.exe"))
+	{
+		return UninstallOldClient;
+	}
+
 	// no default profile
 	if (profile.id.isEmpty())
 	{

code/ryzom/tools/client/ryzom_installer/src/configfile.h

@@ -93,6 +93,7 @@ public:
 		CleanFiles,
 		ExtractBnpClient,
 		CopyInstaller,
+		UninstallOldClient,
 		CreateProfile,
 		CreateShortcuts,
 		CreateAddRemoveEntry,
@@ -164,6 +165,9 @@ public:
 	bool use64BitsClient() const;
 	void setUse64BitsClient(bool on);
 
+	bool shouldUninstallOldClient() const;
+	void setShouldUninstallOldClient(bool on);
+
 	QString expandVariables(const QString &str) const;
 
 	QString getClientArch() const;
@@ -192,6 +196,7 @@ private:
 	QString m_installationDirectory;
 	QString m_srcDirectory;
 	bool m_use64BitsClient;
+	bool m_shouldUninstallOldClient;
 	QString m_language;
 
 	QString m_defaultConfigPath;

code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp

@@ -462,6 +462,44 @@ void COperationDialog::copyIntaller()
 	emit done();
 }
 
+void COperationDialog::uninstallOldClient()
+{
+#ifdef Q_OS_WIN
+
+#ifdef Q_OS_WIN64
+	// use WOW6432Node in 64 bits (64 bits OS and 64 bits Installer) because Ryzom old installer was in 32 bits
+	QSettings settings("HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Ryzom", QSettings::NativeFormat);
+#else
+	QSettings settings("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Ryzom", QSettings::NativeFormat);
+#endif
+
+	// check if Ryzom 2.1.0 is installed
+	if (settings.contains("UninstallString"))
+	{
+		QString uninstaller = settings.value("UninstallString").toString();
+
+		if (!uninstaller.isEmpty() && QFile::exists(uninstaller))
+		{
+			QMessageBox::StandardButtons button = QMessageBox::question(this, tr("Uninstall old client"), tr("An old version of Ryzom has been detected on this system, would you like to uninstall it to save space disk?"));
+
+			if (button == QMessageBox::Yes)
+			{
+				CConfigFile::getInstance()->setShouldUninstallOldClient(true);
+
+				QDesktopServices::openUrl(QUrl::fromLocalFile(uninstaller));
+			}
+			else
+			{
+				// don't ask this question anymore
+				CConfigFile::getInstance()->setShouldUninstallOldClient(false);
+			}
+		}
+	}
+#endif
+
+	emit done();
+}
+
 void COperationDialog::cleanFiles()
 {
 	CConfigFile *config = CConfigFile::getInstance();

code/ryzom/tools/client/ryzom_installer/src/operationdialog.h

@@ -86,9 +86,10 @@ protected:
 	void downloadClient();
 	void copyServerFiles();
 	void copyProfileFiles();
-	void extractBnpClient();
-	void copyIntaller();
 	void cleanFiles();
+	void extractBnpClient();
+	void copyInstaller();
+	void uninstallOldClient();
 	bool createDefaultProfile();
 	bool createDefaultShortcuts();
 	bool createAddRemoveEntry();