/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef MMMADIRECTCONTENT_H

#define MMMADIRECTCONTENT_H

class MMMAContainer;

/**

 * Content, such as a video clip or camera view finder, which is displayed on

 * a container.

 */

class MMMADirectContent

{

public:

    /**

     * Notify content that container visiblity has changed. The content must not

     * be displayed when it's container is invisible.

     * @param "aVisible" ETrue if the container is visible, EFalse if it is invisible.

     */

    virtual void MdcContainerVisibilityChanged(TBool aVisible) = 0;

    /**

     * Notify content that content rect is changed.

     * @param aContentRect Maximum area the content can occupy in screen

     * co-ordinates.

     * @param aParentRect area that can be used to draw content in screen

     * co-ordinates.

     */

    virtual void MdcContentRectChanged(const TRect& aContentRect,

                                       const TRect& aParentRect) = 0;

    /**

     * Notify content that container is about to be destoryed.

     */

    virtual void MdcContainerDestroyed() = 0;

    /**

     * Sets new container for content. Content may not support changing

     * container.

     * @parma aContainer New container for content

     */

    virtual void MdcSetContainer(MMMAContainer* aContainer) = 0;

    /**

     * This is used in bitmap mode. DSA mode content return allways NULL.

     * @return Bitmap to draw or NULL if not available.

     */

    virtual CFbsBitmap* MdcFrameBuffer() const = 0;

    /**

     * This is used get preferred size when container need content size

     * @return source size which preferred size for container

     */

    virtual TSize MdcSourceSize() = 0;

    /**

     * Notify content that the rect of a window has changed.

     *

     * @param aRect New rect of a window.

     */

    virtual void MdcContainerWindowRectChanged(const TRect& aRect) = 0;

};

#endif // MMMADIRECTCONTENT_H