--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/screensaverbase.h	Thu Dec 17 08:46:04 2009 +0200
@@ -0,0 +1,219 @@
+/*
+* 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:   Definitions for base class of display object
+*
+*/
+
+
+
+#ifndef C_SCREENSAVERBASE_H
+#define C_SCREENSAVERBASE_H
+
+#include <coeccntx.h>
+#include <coecntrl.h>
+#include <AknPictographDrawerInterface.h>
+
+#include "screensaverplugin.h"
+#include "screensaver.hrh"
+#include "screensaverengine.h"
+#include "screensaverindicator.h"
+#include "screensaverindicatorarray.h"
+
+
+/**
+ *  The base class of all the different display object
+ */
+class CScreensaverBase : public CCoeControl, public MCoeControlContext,
+    public MAknPictographAnimatorCallBack
+    {
+public:
+    /**
+     * Default c++ constructor  
+     */
+    CScreensaverBase();
+    
+    /**
+    * Destructor  
+    */
+    virtual ~CScreensaverBase();
+
+    /**
+    * Show the control and start the refresh timer
+    */
+    virtual void StartDrawObject();
+    
+    /**
+    * Stop display the control and cancel the timers
+    */
+    virtual void StopDrawObject();
+
+    /**
+    * Start the control needed timer
+    */
+    virtual void StartTimer() = 0;
+    
+    /**
+    * Cancels the timer
+    */
+    virtual void CancelTimer() = 0;
+    
+    /**
+    * Show the control
+    */
+    virtual void DrawObject();
+    
+    /**
+    * Clear the screen
+    */
+    virtual void ClearScreen() = 0;
+    
+    /*
+    * Refresh the display 
+    */
+    virtual void Refresh() = 0;
+    
+    /**
+    * Get the screensaver view
+    */
+    CScreensaverView* View() const;
+    
+    /**
+    * Returns the Screensaver Model which is owned by AppUi
+    * 
+    * @return CScreensaverModel
+    */
+    const CScreensaverEngine& Model() const;
+    
+    /**
+    * Returns the Indicator Array which is owned by Screensaver Model
+    * 
+    * @return CScreensaverIndicatorArray
+    */
+    CScreensaverIndicatorArray& Array() const;
+public:
+    //From CCoeControl
+    
+    /** 
+    * Resource change handling  
+    */
+    virtual void HandleResourceChange( TInt aType ) = 0;
+
+    /**
+    * Responds to changes to the size and position of the contents 
+    * of this control.  
+   */
+    virtual void SizeChanged() = 0;
+    
+    // Power save mode related functions
+    
+    /**
+    * Used to define the active area of display in power save mode
+    * 
+    * @param aRect
+    */
+    TInt SetPowerSaveDisplayActiveArea( TRect& aRect );
+    
+    /**
+    * Activates power save display mode
+    * 
+    * @param aFullColors
+    */
+    TInt ActivatePowerSaveDisplay( TBool aFullColors = EFalse ) const;
+
+public:
+    // From MAknPictograpAnimatorCallback
+    /**
+    * This function is called when a redraw is needed for drawing
+    * new frames of animated pictographs. It should
+    *
+    * 1) Draw or clear the background of pictographs
+    * 2) If the pictographs are amongst text, draw the text
+    * 3) Draw the pictographs using MAknPictographDrawer interface
+    *
+    * In many cases, it is sufficient to implement this simply by
+    * calling CCoeControl::DrawNow for the appropriate control.
+    */
+    virtual void DrawPictographArea();
+
+protected:
+    
+    /**
+    * Start capturing timer
+    */
+    void StartCaptureScreenTimer();
+    
+    /**
+    * Initial the initial refresh rate
+    */
+    TInt InitialRefreshRate();
+    
+    /**
+    * Kill the timer
+    * 
+    * @param aTimer the timer you want stop
+    */
+    void DeleteTimer( CPeriodic*& aTimer );
+    
+    /**
+    * for Lcd Partial mode. 
+    */
+    void ConstructAndConnectLCDL();
+    
+    /**
+    * Returns the powersave display mode
+    */
+    CPowerSaveDisplayMode* LcdPartialMode() const;
+    
+    /**
+    * If the timer expired, excute the refresh action 
+    */
+    static TInt HandleRefreshTimerExpiry( TAny* aPtr );
+    
+    /**
+    * Callback fuction. Called when the window server heartbeat tiemr time out
+    */
+    static TInt HandleCaptureTimerExpiry( TAny* aPtr );
+    
+    /**
+    * Capture screen, and get the first pixel address of the bitmap
+    */
+    TInt CaptureScreen();
+
+protected:
+
+    // Area of screen that is displayed when in power save mode 
+    TRect iPowerSaveDisplayActiveArea;
+    
+    /**
+    * The capturing screen timer
+    */
+    CPeriodic* iCaptureScreenTimer;
+    
+    
+    /**
+    * The pointer to the powersaver display mode
+    * 
+    * Owned
+    */
+    CPowerSaveDisplayMode* iPowerSaveDisplayMode;
+
+    /**
+    * store the bitmap data
+    */
+    CFbsBitmap* iOffScrnBmp; 
+    
+    };
+
+#endif // C_SCREENSAVERBASE_H
+