diff -r aaeeca1f15af -r e8d784ac1a4b inc/screensaverctrlplugin.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/screensaverctrlplugin.h	Wed Sep 01 12:30:40 2010 +0100
@@ -0,0 +1,218 @@
+/*
+* 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 the display object of plugin type
+*
+*/
+
+
+
+#ifndef C_SCREENSAVERCTRLPLUGIN_H
+#define C_SCREENSAVERCTRLPLUGIN_H
+
+#include <babitflags.h>
+
+#include "screensaverbase.h"
+
+/**
+ * The plugin type of display object which is derived from the 
+ * CScreensaverBase class
+ */
+class CScreensaverCtrlPlugin : public CScreensaverBase,
+    public MScreensaverPluginHost
+    {
+public:
+    enum TScreensaverPluginFlag
+        {
+        // Indicates that plugin module wants to draw indicators
+        EPluginFlagOverrideIndicators = 0,
+        // Indicates that plugin does not use refresh timer and should not get
+        // Draw() calls
+        EPluginFlagTimerNotUsed,
+        EPluginFlagSuspend
+        };
+public:
+    /**
+    * Two-phased constructor.  
+    */
+    static CScreensaverCtrlPlugin* NewL();
+
+    /**
+    * Destructor  
+    */
+    ~CScreensaverCtrlPlugin();
+
+    /**
+    * Start the control needed timer
+    */
+    void StartTimer();
+    
+    /**
+    * Cancels the timer
+    */
+    void CancelTimer();
+    
+    
+    /**
+    * Show the control
+    */
+    void DrawObject();
+    
+    /**
+    * Clear the screen
+    */
+    void ClearScreen();
+    
+    /*
+    * Refresh the display 
+    */
+    void Refresh();
+    
+    /**
+    * Send the event to plugin to deal with
+    * 
+    * @param aEvent the event send to plugin
+    * @return TInt  
+    */
+    TInt SendPluginEvent( TScreensaverEvent aEvent );
+    
+    /**
+    * Returns the implemenataion UID of the plugin
+    * 
+    * @return TUid Implementation UID
+    */
+    TUid PluginImplementationUid() const;
+
+public:
+    // From MScreensaverPluginHost
+    void UseStandardIndicators();
+    void OverrideStandardIndicators();
+    TBool StandardIndicatorsUsed() const;
+    void SetRefreshTimerValue( TInt aValue );
+    TInt RefreshTimerValue() const;
+    TInt GetIndicatorPayload( TScreensaverIndicatorIndex aIndex,
+        TIndicatorPayload& aResult ) const;
+    TInt SetActiveDisplayArea( TRect& aRect,
+        const TScreensaverPartialMode& aMode );
+    TInt SetActiveDisplayArea( TInt aStartRow, TInt aEndRow,
+        const TScreensaverPartialMode& aMode );
+    void ExitPartialMode();
+    const TScreensaverColorModel& GetColorModel() const;
+    void Suspend( TInt aTime );
+    void RequestLights( TInt aSecs );
+    TInt DisplayInfo( TScreensaverDisplayInfo* aDisplayInfo );
+    void UseRefreshTimer( TBool aOn = ETrue );
+    void RequestTimeout( TInt aSecs );
+    void RevertToDefaultSaver();
+    // End MScreensaverPluginHost
+
+protected:
+    /**
+    * The default C++ constuctor
+    * 
+    * @param aType the type of the display object.
+    * @param aPlugin the plugin which the screensaver is setted.  
+    */
+    CScreensaverCtrlPlugin();
+
+    /**
+    * Symbian default constructor.
+    */
+    void ConstructL();
+
+protected:
+    // From CCoeControl
+    
+    /** 
+    * Resource change handling  
+    */
+    virtual void HandleResourceChange( TInt aType );
+    
+    /**
+    * Responds to changes to the size and position of the contents 
+    * of this control.  
+    */
+    virtual void SizeChanged();
+    
+    /**
+    * Drawing (override this to draw)
+    */
+    virtual void Draw( const TRect& aRect ) const;
+    
+private:
+    /*
+    * LoadPluginL()
+    */
+    void LoadPluginL( MScreensaverPluginHost* aPluginHost );
+    
+    /*
+    * Get the poiter of the plugin
+    */
+    void LoadPluginModuleL();
+    
+    /*
+    * Delete the plugin
+    */
+    void DeletePlugin();
+    
+    /**
+    * Starts the plugin refresh timer
+    */
+    void StartPluginRefreshTimer();
+
+    /**
+    * Starts the plugin time out timer
+    */
+    void StartPluginTimeoutTimer( TInt aSecs );
+
+    
+    /**
+    * Callback fuction. Called when the Plugin tiemr time out
+    */
+    static TInt HandlePluginTimeoutTimerExpiry( TAny* aPtr );
+
+
+private://data
+    /**
+    * Plugin interface.
+    */
+    MScreensaverPlugin* iPlugin;
+    
+    /**
+    * The plugin refresh timer
+    */
+    CPeriodic* iPluginRefreshTimer;
+    
+    /**
+    * The plugin timeout timer
+    */
+    CPeriodic* iPluginTimeoutTimer;
+
+    
+    /**
+    * The plugin flag
+    */
+    mutable TBitFlagsT<TUint32> iPluginFlag;
+    
+    /**
+    * The refresh rate of plugin
+    */
+    TInt iPluginRefreshRate;
+    
+    /**
+    * The implementation UID of the plugin
+    */
+    TUid iPluginImplUid;
+    
+    };
+#endif // C_SCREENSAVERCTRLPLUGIN_H