--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/screensaverengine.h	Wed Sep 01 12:30:40 2010 +0100
@@ -0,0 +1,351 @@
+/*
+* Copyright (c) 2003 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:   Screensaver engine class definition.
+*
+*/
+
+
+
+#ifndef C_SCREENSAVERENGINE_H
+#define C_SCREENSAVERENGINE_H
+
+#include <e32base.h>
+#include <AknCapServerClient.h>
+
+#include "screensaverindicator.h"
+#include "screensaverindicatorarray.h"
+#include "screensaverplugin.h"
+
+//delay before wserv timer is turned off
+#define KWSERVHEARTBEATTIMEOUT 15
+
+// Delay after screensaver is stopped and hided.
+const TInt KDefaultScreenSaverTimeout = 2 * 60 * 1000000; // 2 mins
+
+// FORWARD DECLARATIONS
+class CUserActivityManager;
+class CScreensaverSharedDataI;
+class CScreensaverSharedDataMonitor;
+class CScreensaverAppUi;
+class CScreensaverView;
+class CScreensaverActivityManager;
+class CPowerSaveDisplayMode;
+
+/**
+* CScreensaverModel
+*/
+class CScreensaverEngine : public CBase 
+    {
+public:
+    
+    /**
+    * Two-phased constructor
+    * 
+    * @param aAppUi the AppUi of the application
+    */
+    static CScreensaverEngine* NewL();
+    
+    /**
+    * Destructor
+    */
+    ~CScreensaverEngine();
+
+    /**
+    * Return the pointer to the CScreensaverSharedDataI
+    * 
+    * @return CScreensaverSharedDataI*
+    */
+    CScreensaverSharedDataI* SharedDataInterface() const;
+    
+    /**
+    * Reset the time during which the user did not do anything
+    */
+    void ResetInactivityTimeout();
+
+    /**
+    * Returns if the screensaver is on or not
+    */
+    TBool ScreenSaverIsOn() const;
+    
+    /**
+    * Returns if the screensaver is previewing or not
+    */
+    TBool ScreenSaverIsPreviewing() const;
+
+    /**
+    * Starts screensaver
+    */
+    void StartScreenSaver();
+    
+    /**
+    * Stops the screensaver
+    */
+    void StopScreenSaver();
+
+    /**
+    * Starts the preview model
+    */
+    void StartPreviewModeL();
+    
+    /*
+    * Display the Object(); 
+    */
+    void DisplayObject();
+
+    /**
+    * Start the suspend timer
+    */
+    void StartSuspendTimer( TInt aSec );
+
+    /**
+    * Returns the indicator array
+    */
+    CScreensaverIndicatorArray& IndicatorArray() const;
+    
+    /**
+    * Returns the color model
+    */
+    const TScreensaverColorModel& GetColorModel( ) const;
+    
+    /**
+    * Adds the partial model
+    * 
+    * @param aBpp the bits per pixels of the partial model
+    * @param aType the type of the partial type
+    */
+    void AddPartialModeLevel( TInt aBpp, TScreensaverPartialModeType aType );
+
+    /**
+    * Updates the indicator attributes.
+    */
+    void UpdateIndicatorAttributes( );
+
+    /*
+     * Start screensaver expiry timer. When the timer expires the screensaver
+     * will be stopped and hided.
+     * 
+     * @param aTimeout Timeout after the screensaver stops and hides itself in
+     * microseconds. 0 or negative value will disable the timer.
+     */
+    void SetExpiryTimerTimeout( TInt aTimeout );
+    
+    /**
+    * Informs the engine about changes in keyguard state
+    * @param aEnabled whether the keyguard is now on or off 
+    */
+    void HandleKeyguardStateChanged( TBool aEnabled );
+    
+private:
+    
+    /**
+    * C++ default constructor
+    * 
+    * @param aAppUi the AppUi of the application
+    */
+    CScreensaverEngine();
+
+private:
+    
+    /**
+    * Two-phased constructor
+    */
+    void ConstructL();
+    
+    /**
+    * Constructs the shared data member
+    */
+    void EnableSharedDataAndMonitorL();
+    
+    /**
+    * Destruct the shared data member
+    */
+    void DisableSharedDataAndMonitor();
+
+    /**
+    * Starts to monitor the user activity
+    */
+    void StartActivityMonitoringL();
+    
+    /**
+    * Stops monitoring the user activity
+    */
+    void StopActivityMonitoring( CScreensaverActivityManager*& aActivityManager );
+
+    /**
+    * Gets the color model from the resource
+    */
+    void SetupColorModelL();
+
+    /**
+    * Start the preview timer
+    */
+    void StartPreviewTimer();
+    
+    /**
+     * Starts pause timer
+     */
+    void StartPauseTimer();
+    
+    /**
+    * Kill the timer
+    * 
+    * @param aTimer the timer you want stop
+    */
+    void KillTimer( CPeriodic*& aTimer );
+
+    
+    /**
+    * Callback fuction. Called when the preivew tiemr time out
+    */
+    static TInt HandlePreviewTimerExpiry( TAny* aPtr );
+    
+    /**
+    * Called when the time that the user did activity is out.
+    */
+    static TInt HandleActiveEventL(TAny* aPtr);
+    
+    /**
+    * Called when the time that the user did no activity is out.
+    */
+    static TInt HandleInactiveEventL(TAny* aPtr);
+    
+    /**
+    * Callback fuction. Called when the suspension tiemr time out
+    */
+    static TInt HandleSuspendTimerExpiry( TAny* aPtr );
+    
+    /**
+    * Callback function. Called when the pause timer expires
+    */
+    static TInt HandlePauseTimerExpiry( TAny* aPtr );
+
+    /**
+    * Returns the CScreensaverView
+    */
+    CScreensaverView* View() const;
+
+    /**
+    * Returns the timeout.
+    */
+    TInt Timeout();
+    
+    /**
+    * Returns the display flag.
+    */
+    TInt DisplayFlag();
+
+    /**
+    * Callback fuction. Called when the screensaver expiry timer time out.
+    */
+    static TInt HandleExpiryTimerExpiry( TAny* aPtr );
+
+    /**
+     * Callback to do the screensaver starting.
+     */
+    static TInt StartSaverCb( TAny* aPtr );
+
+private:
+    
+    /**
+    * The flag if append alert type indicator
+    */
+    TBool iShowExtendedProfileInd;
+    
+    /**
+    * The flag if the screensaver is on or not
+    */
+    TBool iScreenSaverIsOn;
+    
+    /**
+    * The flag if the screensaver is previewing or not
+    */
+    TBool iScreenSaverIsPreviewing;
+    
+    /**
+    * The trigger for screensaver activation
+    */
+    CScreensaverActivityManager* iActivityManagerScreensaver;
+
+    
+    /**
+    * The pointer to CScreensaverSharedDataI
+    * 
+    * Owned
+    */
+    CScreensaverSharedDataI* iSharedDataI;
+    
+    /*
+    * The pointer to the CScreensaverSharedDataMonitor 
+    */
+    CScreensaverSharedDataMonitor* iSharedDataMonitor;
+    
+    /**
+    * The pointer to the indicator array
+    * 
+    * Owned
+    */
+    CScreensaverIndicatorArray* iIndicatorArray;
+    
+    /**
+    * moved from view class
+    */
+    TScreensaverColorModel iColorModel;
+    
+    
+    /**
+    * The preview timer
+    */
+    CPeriodic* iPreviewTimer;
+    
+    /**
+    * The suspend timer
+    */
+    CPeriodic* iSuspendTimer;
+
+    /**
+    * used to intercept and capture application key event.
+    */
+    RAknUiServer iAknUiServer;
+
+    /**
+    * The screensaver expiry timer. Screensaver will be stoped when this timer
+    * expires.
+    * 
+    * Owned.
+    */
+    CPeriodic* iExpiryTimer;
+    
+    /**
+    * Pause timer. Used to reactivate screensaver after 5s when being 
+	* interrupted and keys are locked
+    */
+    CPeriodic* iPauseTimer;
+    
+    /**
+    * Set if the pause timer was started when preview was stopped
+    */
+    TBool iPauseTimerStartedAfterPreview;
+
+    /**
+     * Asynchronous callback to start screensaver.
+     */
+    CAsyncCallBack iAsyncCb;
+
+    };
+
+
+
+#endif // C_SCREENSAVERENGINE_H
+
+// End of file