/*

* Copyright (c) 2007-2009 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:  THIS FILE IS NOT INCLUDED INTO ECLIPSE CVS DELIVERY

*

*/

#ifndef SWTDCCONTROL_H

#define SWTDCCONTROL_H

#ifndef RD_JAVA_NGA_ENABLED

#define SWTDCCONTROL_DSA_ENABLED

#endif

#include <swtcontrolbase.h>

#include <eiklabel.h>

#include <eikspace.h>

#include <w32std.h>

#include <eswtwidgetscore.h>

#include <mswtclient.h>

#include <mmmacontainer.h>

// MUiEventConsumer interface

#include <reflcdui.h>

// MSwtDcEventConsumer interface

#include "swtdceventconsumer.h"

class MSWTDirectContent;

class CSwtDcObserver;

NONSHARABLE_CLASS(CSwtDCControl)

        : public CCoeControl

        , public ASwtControlBase

        , public MSwtAppFocusObserver

        , public MMMAContainer

        , public MSwtDcEventConsumer

#ifdef SWTDCCONTROL_DSA_ENABLED        

        , public MDirectScreenAccess

#endif

{

public: // New methods

    static CSwtDCControl* NewL(MSwtDisplay& aDisplay,

    TSwtPeer aPeer,

    MSwtComposite* aParent,

    MMMADirectContent* aContent);

    ~CSwtDCControl();

protected: // New methods

    CSwtDCControl(MSwtDisplay& aDisplay,

                  TSwtPeer aPeer,

                  MSwtComposite* aParent);

    void ConstructL();

    void SetFullScreenState();

    void UpdateFullScreenState();

    TRect GetTopShellRect() const;

    void DoDraw();

    void DoCallDSAResourcesCallback(MUiEventConsumer *aConsumer);

    void DoCallUICallback(MUiEventConsumer *aConsumer, TInt aCallbackId);

public: // From CCoeControl

    void SetDimmed(TBool aDimmed);

    void HandleResourceChange(TInt aType);

    void MakeVisible(TBool aVisible);

protected: // From CCoeControl

    void Draw(const TRect& aRect) const;

    void FocusChanged(TDrawNow aDrawNow);

    void PositionChanged();

    void SizeChanged();

    TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

public: // From MSwtControl

    CCoeControl& CoeControl();

    const CCoeControl& CoeControl() const;

    void ProcessKeyEventL(const TKeyEvent& aKeyEvent,

                          TEventCode aType);

    TInt GetBorderWidth() const;

    TRect ClientRect() const;

    TSize ComputeSizeL(TInt aWHint, TInt aHHint);

    void SetVisible(TBool aVisible);

    TSwtPeer Dispose();

public: // From MSwtAppFocusObserver

    void HandleAppFocusChangeL(TBool aFocused);

public: // From MSWTContainer

    void MdcRemoveContent();

    TBool MdcContainerVisibility() const;

    void MdcRepaint() const;

    void MdcGetContentRect(TRect& aControlRect,

                           TRect& aParentRect) const;

    void MdcInvalidate(const TSize& aPreferredSize);

    void MdcSetDisplayFullScreen(TBool aFullScreen);

    void MdcGetDSAResources(

        MUiEventConsumer& aConsumer,

        TBool aIsInUiThread);

    void MdcGetUICallback(MUiEventConsumer& aConsumer, TInt aCallbackId);

    TRect MdcContainerWindowRect() const;

public: // From MSwtDcFullscreenProvider

    void HandleDcEvent(int aType);

#ifdef SWTDCCONTROL_DSA_ENABLED  

public: // MDirectScreenAccess

    void Restart(RDirectScreenAccess::TTerminationReasons aReason);

    void AbortNow(RDirectScreenAccess::TTerminationReasons aReason);

#endif

public: // New methods

    /**

     * Sets client pointer to eSWT ui thread. It's needed with MdcRepaint

     * method.

     * @param aClient client to eSWT ui thread

     * @param aClientHeap client's heap

     */

    void SetClient(MSwtClient* aClient, RHeap& aClientHeap);

    /**

     * Deletes iClient instance

     */

    void DeleteClient();

    /**

     * Calls content's MdcContentRectChanged method

     */

    void InformContentRect();

    /**

     * Sets control's size to its parent size.

     * This method must be called from ui thread.

     */

    void SetDisplayFullScreen(TBool aFullScreen);

private:

    TBool IsControlActive() const;

#ifdef SWTDCCONTROL_DSA_ENABLED       

    TBool IsDsaRegionValid() const;

#endif

    TBool IsContentVisibilityAllowed() const;

    TBool IsFrameBufferUsed() const;

private: // Data

    // Own.

    MSwtClient* iClient;

    // Not own. heap where iClient is

    RHeap* iClientHeap;

    // Not own.

    MMMADirectContent* iContent;

#ifdef SWTDCCONTROL_DSA_ENABLED

    // Own.

    CDirectScreenAccess* iDSAccess;

#endif

    // Store video state

    TBool iFullScreen;

    // Store non-fullscreen size & position

    TPoint iNormalPos;

    TSize  iNormalSize;

    // Store last fade effect message

    TInt iLastFadeMessage;

#ifdef SWTDCCONTROL_DSA_ENABLED

    // True, is DSA was started already

    TBool iDsaWasStartedAlready;

#endif

    // Own.

    // This observer receives requests from any thread and asynchronously

    // calls a callback in ESWT thread to a given receiver

    CSwtDcObserver* iDcObserver;

};

#endif // SWTDCCONTROL_H