/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, 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 have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QEVRVIDEOOVERLAY_H

#define QEVRVIDEOOVERLAY_H

#include <qvideowindowcontrol.h>

#include "qmfactivate.h"

#include <evr.h>

QT_USE_NAMESPACE

class QEvrVideoOverlay : public QVideoWindowControl, public QMFActivate

{

    Q_OBJECT

public:

    QEvrVideoOverlay(HINSTANCE evrHwnd);

    ~QEvrVideoOverlay();

    WId winId() const;

    void setWinId(WId id);

    QRect displayRect() const;

    void setDisplayRect(const QRect &rect);

    bool isFullScreen() const;

    void setFullScreen(bool fullScreen);

    QSize nativeSize() const;

    Qt::AspectRatioMode aspectRatioMode() const;

    void setAspectRatioMode(Qt::AspectRatioMode mode);

    void repaint();

    int brightness() const;

    void setBrightness(int brightness);

    int contrast() const;

    void setContrast(int contrast);

    int hue() const;

    void setHue(int hue);

    int saturation() const;

    void setSaturation(int saturation);

    void setDisplayControl(IMFVideoDisplayControl *control);

    // IUnknown

    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **object);

    ULONG STDMETHODCALLTYPE AddRef();

    ULONG STDMETHODCALLTYPE Release();

    // IMFActivate

    HRESULT STDMETHODCALLTYPE ActivateObject(REFIID riid, void **ppv);

    HRESULT STDMETHODCALLTYPE ShutdownObject();

    HRESULT STDMETHODCALLTYPE DetachObject();

public Q_SLOTS:

    void openStateChanged(long state);

private:

    typedef HRESULT (WINAPI *PtrMFCreateVideoPresenter)(IUnknown*, REFIID, REFIID, void**);

    volatile LONG m_ref;

    HINSTANCE m_evrHwnd;

    PtrMFCreateVideoPresenter ptrMFCreateVideoPresenter;

    IMFVideoPresenter *m_presenter;

    IMFVideoDisplayControl *m_displayControl;

    Qt::AspectRatioMode m_aspectRatioMode;

    QSize m_sizeHint;

    QRect m_displayRect;

    WId m_winId;

    bool m_fullScreen;

};

#endif