/*

* Copyright (c) 2004, 2005 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:  Context pane control for Video Telephone application.

*

*/

#ifndef CVTUICONTEXTCONTROL_H

#define CVTUICONTEXTCONTROL_H

//  INCLUDES

#include    <AknWsEventObserver.h>

#include    "cvtuivideocontrolbase.h"

// FORWARDS

class CVtUiAppUi;

class TVtUiStates;

/**

*  Context pane control for Video Telephone application.

*

*  @since Series 60 2.6

*/

class CVtUiContextControl : public CVtUiVideoControlBase,

    public MAknWsEventObserver

    {

    public: // Constructors and destructor

        /**

        * C++ constructor.

        * @param aBitmapManager bitmap manager.

        * @param aLargeViewfinder ETrue if large viewfinder wanted.

        * @param aAppUi application UI.

        * @param aUiStates UI states.

        */

        static CVtUiContextControl* NewL(

            CVtUiBitmapManager& aBitmapManager,

            CVtUiAppUi& aAppUi,

            TVtUiStates& aUiStates );

        /**

        * C++ destructor.

        */

        ~CVtUiContextControl();

        /**

        * LayoutRemoteVideo

        */

       void LayoutRemoteVideo();

    public: // from CCoeControl

        /**

        * @see CCoeControl::HandlePointerEventL

        */

        void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    private: // from CVtUiVideoControlBase

        /**

        * @see CVtUiVideoControlBase::HandleSizeChanged

        */

        void HandleSizeChanged();

        /**

        * @see CVtUiVideoControlBase::DrawColoredBackground

        */

        void DrawColoredBackground( CWindowGc& aGc ) const;

        /**

        * @see CVtUiVideoControlBase::StreamBlitPosition

        */

        TPoint StreamBlitPosition() const;

        /**

        * @see CVtUiVideoControlBase::StreamBlitPosition

        */

        TRect StreamClippingRect() const;

        /**

        * @see CVtUiVideoControlBase::BlindImage

        */

        CFbsBitmap* BlindImage() const;

        /**

        * @see CVtUiVideoControlBase::BlindMask

        */

        CFbsBitmap* BlindMask() const;

        /**

        * @see CVtUiVideoControlBase::BlindBlitPosition

        */

        TPoint BlindBlitPosition() const;

    public: // from MAknWsEventObserver

        /**

        * @see MAknWsEventObserver::HandleWsEventL

        */

        void HandleWsEventL( const TWsEvent& aEvent,

            CCoeControl* aDestination );

    private:

        /**

        * C++ constructor.

        */

        CVtUiContextControl(

            CVtUiBitmapManager& aBitmapManager,

            CVtUiAppUi& aAppUi,

            TVtUiStates& aUiStates );

        /**

        * Symbian constructor.

        */

        void ConstructL();

    private:

        // Background icon identifier.

        TVtUiBitmapPoolId iBackgroundId;

        // Blind icon identifier.

        TVtUiBitmapPoolId iBlindId;

        // Blind icon mask identifier.

        TVtUiBitmapPoolId iBlindMaskId;

        // Reference to application UI.

        CVtUiAppUi& iAppUi;

        // Reference to UI states.

        TVtUiStates& iUiStates;

        // Background bitmap layout.

        TAknLayoutRect iBackGround;

        // Blind icon rect

        TRect iBlindRect;

        // Stream rect

        TRect iStreamRect;

        // ETrue if it is ok to swap images on button up

        TBool iOkToSwapOnButtonUp;

        // ETrue if the pointer down inside of context control window

        TBool iPointerButton1DownInside;

    };

#endif      // CVTUICONTEXTCONTROL_H

// End of File