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+/***************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (directui@nokia.com)
+**
+** This file is part of mcompositor.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at directui@nokia.com.
+**
+** This library is free software; you can redistribute it and/or
+** modify it 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.
+**
+****************************************************************************/
+
+#ifndef DUICOMPOSITEMANAGER_H
+#define DUICOMPOSITEMANAGER_H
+
+#include <QApplication>
+#include <QGLWidget>
+
+class QGraphicsScene;
+class MCompositeManagerPrivate;
+class MCompAtoms;
+
+/*!
+ * MCompositeManager is responsible for managing window events.
+ *
+ * It catches and redirects appropriate windows to offscreen pixmaps and
+ * creates a MTexturePixmapItem object from these windows and adds them
+ * to a QGraphicsScene. The manager also ensures the items are updated
+ * when their contents change and removes them from its control when they are
+ * destroyed.
+ *
+ */
+class MCompositeManager: public QApplication
+{
+    Q_OBJECT
+public:
+
+    /*!
+     * Initializes the compositing manager
+     *
+     * \param argc number of arguments passed from the command line
+     * \param argv argument of strings passed from the command line
+     */
+    MCompositeManager(int &argc, char **argv);
+
+    /*!
+     * Cleans up resources
+     */
+    ~MCompositeManager();
+
+    /*! Prepare and start composite management. This function should get called
+     * after the window of this compositor is created and mapped to the screen
+     */
+    void prepareEvents();
+
+    /*! Specify the QGLWidget used by the QGraphicsView to draw the items on
+     * the screen.
+     *
+     * \param glw The QGLWidget widget used in used by the scene's
+     * QGraphicsView viewport
+     */
+    void setGLWidget(QGLWidget *glw);
+
+    /*!
+     * Reimplemented from QApplication::x11EventFilter() to catch X11 events
+     */
+    virtual bool x11EventFilter(XEvent *event);
+
+    /*!
+     * Returns the scene where the items are rendered
+     */
+    QGraphicsScene *scene();
+
+    /*!
+     * Specifies the toplevel window where the items are rendered. This window
+     * will reparented to the composite overlay window to ensure the compositor
+     * stays on top of all windows.
+     *
+     * \param window Window id of the toplevel window where the items are
+     * rendered. Typically, this will be the window id of a toplevel
+     * QGraphicsView widget where the items are drawn
+     */
+    void setSurfaceWindow(Qt::HANDLE window);
+
+    /*!
+     * Redirects and manages existing windows as composited items
+     */
+    void redirectWindows();
+
+    /*!
+     * Returns whether a Window is redirected or not
+     *
+     * \param w Window id of a window
+     */
+    bool isRedirected(Qt::HANDLE window);
+    
+    void topmostWindowsRaise();
+
+public slots:
+    void enableCompositing();
+    void disableCompositing();
+
+    /*! Invoked remotely by MRmiClient to show a launch indicator
+     *
+     * \param timeout seconds elapsed to hide the launch indicator in case
+     * window does not yet appear.
+     */
+    void showLaunchIndicator(int timeout);
+    void hideLaunchIndicator();
+
+private:
+    MCompositeManagerPrivate *d;
+
+    friend class MCompositeWindow;
+    friend class MCompWindowAnimator;
+};
+
+#endif