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diff --git a/installerbuilder/installerbase/installerbasecommons.h b/installerbuilder/installerbase/installerbasecommons.h
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+/**************************************************************************
+**
+** This file is part of Qt SDK**
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).*
+**
+** Contact:  Nokia Corporation qt-info@nokia.com**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception version
+** 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you are unsure which license is appropriate for your use, please contact
+** (qt-info@nokia.com).
+**
+**************************************************************************/
+#ifndef INSTALLERBASECOMMONS_H
+#define INSTALLERBASECOMMONS_H
+
+#include <QObject>
+#include <qinstallergui.h>
+
+
+
+class QFileInfo;
+class QLabel;
+class QString;
+//class
+
+namespace QInstaller{
+    class Installer;
+}
+
+using namespace QInstaller;
+//using namespace QInstallerCreator;
+
+// A custom target directory selection based due to the no-space
+// restriction...
+
+class TargetDirectoryPageImpl : public QInstaller::TargetDirectoryPage
+{
+    Q_OBJECT
+public:
+    explicit TargetDirectoryPageImpl(QInstaller::Installer *installer);
+
+    QString targetDirWarning() const;
+
+    bool isComplete() const;
+
+    bool askQuestion( const QString& identifier, const QString& message );
+
+    bool failWithWarning( const QString& identifier, const QString& message );
+
+    bool validatePage();
+
+private:
+    QLabel *m_warningLabel;
+};
+
+////////////////////////////////////////////////////////////////////
+//
+// QtInstallerGui
+//
+////////////////////////////////////////////////////////////////////
+
+class QtInstallerGui : public QInstaller::Gui
+{
+    Q_OBJECT
+
+public:
+    explicit QtInstallerGui(QInstaller::Installer *installer);
+
+    virtual void init();
+};
+
+
+////////////////////////////////////////////////////////////////////
+//
+// QtUninstallerGui
+//
+////////////////////////////////////////////////////////////////////
+
+class QtUninstallerGui : public QInstaller::Gui
+{
+    Q_OBJECT
+
+public:
+    explicit QtUninstallerGui(QInstaller::Installer *installer);
+
+    virtual void init();
+    virtual int nextId() const;
+};
+
+class GetMetaInfoProgressWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit GetMetaInfoProgressWidget( QWidget* parent = 0 );
+    QString text() const;
+
+public Q_SLOTS:
+    void message(KDJob*, const QString & msg);
+
+private:
+    QLabel *m_label;
+};
+
+
+const int INST_SUCCESS = 0;
+const int INST_FAILED = 1;
+const int INST_CANCELED = 2;
+
+#endif // INSTALLERBASECOMMONS_H