/*

* Copyright (c) 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: 

*

*/

#include <e32base.h>

#include <w32std.h>

#include <apgwgnam.h> 

#include <sensrvdatalistener.h>

#include <AknsSrvClient.h>

#include <EGL/egl.h>

#include "highrestimer.h"

#include "plugininterface.h"

#include "themerepositorylistener.h"

#include "screensaverpropertylistener.h"

#include "sensor.h"

#include "../../../../uiaccelerator_plat/alf_visual_api/inc/alf/alfcompositionutility.h"

class CBgAnimHost : public CBase, public MAlfCompositionObserver, public MSensrvDataListener, public MAknsSkinChangeObserver

    {

    public:

        void ConstructL();

        CBgAnimHost();

        ~CBgAnimHost();

        void ExecuteL();

        static TInt TimerFunc(TAny* aPtr);

        // from MAlfCompositionObserver

        void FrameReady(TInt aScreenNumber);

        void RunningLowOnGraphicsMemory();

        void GraphicsMemoryGood(); 

        void CompositionTargetHidden();

        void CompositionTargetVisible();

        // from MSensrvDataListener

        void DataReceived( CSensrvChannel& aChannel, TInt aCount, TInt aDataLost );

        void DataError( CSensrvChannel& aChannel, TSensrvErrorSeverity aError );

        void GetDataListenerInterfaceL( TUid aInterfaceUid, TAny*& aInterface);

        // from MAknsSkinChangeObserver

        void SkinContentChanged();

        void SkinConfigurationChanged( const TAknsSkinStatusConfigurationChangeReason aReason );

        void SkinPackageChanged( const TAknsSkinStatusPackageChangeReason aReason );

    protected:

        void CreateWindowL();

        void DestroyWindow();

        void InitEGLL();

        void ReleaseEGL();

        void CreateWindowSurfaceL();

        void ReleaseWindowSurface(TBool aReleaseObserver = ETrue);

        void LoadPluginL();

        void ReleasePlugin();

        void NewFrame();

        void HandleScreenSaverEvent();

        TBool GetPluginConfigurationL();

        static TInt ScreenSaverCallback(TAny* aPtr);

    private:

        // windowing stuff

        RWsSession iWsSession;

        RWindowGroup iWindowGroup;

        RWindow iWindow;

        CApaWindowGroupName* iWindGroupName;

        CWsScreenDevice* iScreenDevice;

        TSize iDisplaySize;

        TSize iRealDisplaySize;

        // EGL stuff

        EGLDisplay iEGLDisplay;

        EGLConfig  iEGLConfig;

        EGLContext iEGLContext;

        EGLSurface iEGLSurface;

        // plugin

        RLibrary iPluginLibrary;

        plugin_export_v1_t* iPlugin;

        // timer

        CHighResTimer* iTimer;

        TBool iTimerRunning;

        TBool iEGLInitialized;

        TBool iSurfaceInitialized;

        // composition API

        CAlfCompositionSource* iCompSource;

        TBool iRunning;

        CThemeRepositoryListener* iThemeRepositoryListener;

        CScreenSaverPropertyListener* iSCPropertyListener;

        RPointerArray<CSensorListener> iSensorListeners;

        RAknsSrvSession iSkinSrv;

        HBufC* iCurrentPluginDllName;

        HBufC* iCurrentPluginAssetDir;

    };