diff -r c739008478cc -r 5d243a69bdda tstaskmonitor/server/inc/tsfswengine.h
--- a/tstaskmonitor/server/inc/tsfswengine.h	Mon May 24 20:50:46 2010 +0300
+++ b/tstaskmonitor/server/inc/tsfswengine.h	Fri May 28 16:17:03 2010 +0300
@@ -19,35 +19,12 @@
 #ifndef TSFSWENGINE_H
 #define TSFSWENGINE_H
 
-#define __E32SVR_H__
-
-#include <e32event.h>
-
 #include <e32base.h>
-#include <e32cmn.h>
-#include <s32strm.h>
-#include <fbs.h>
-#include <eikenv.h>
-#include <w32std.h>
-#include <e32hashtab.h>
-#include <apgcli.h>
-#include <e32property.h>
 #include "tsfswentry.h"
-#include "tsfswobservers.h"
-#include "hsdataprovider.h"
-#include "hsdataobserver.h"
-
-class MTsFswEngineObserver;
-class CTsFastSwapPreviewProvider;
-class CApaWindowGroupName;
-class CBitmapRotator;
-class CTsRotationTask;
-class CTSCpsNotifier;
+#include "tsdataobserver.h"
 
 class CTsFswDataList;
 
-// descriptor big enough to store hex repr of 32-bit integer plus 0x prefix
-typedef TBuf<10> TAppUidHexString;
 
 /**
  * Engine for fast swap server.
@@ -55,35 +32,21 @@
  * received from the appui.
  */
 NONSHARABLE_CLASS( CTsFswEngine ) : public CBase,
-        public MTsFswTaskListObserver
+                                    public MHsDataObserver
 
     {
-    enum TTsFswFgAppType
-        {
-        /**
-         * Means that even when the foreground app has another app embedded
-         * into it the uid of the container application will be returned.
-         */
-        EUseStandaloneUid,
-        /**
-         * Means that if the foreground app has another app embedded
-         * into it then the returned uid will be the uid of the embedded
-         * app.
-         */
-        EUseEmbeddedUid
-        };
     
 public:
     /**
      * Creates a new instance.
-     * @param   aObserver   ref to observer
+     * @param   observer   ref to observer
      */
-    static CTsFswEngine* NewL( MHsDataObserver& aObserver );
+    static CTsFswEngine* NewL( MHsDataObserver& observer );
 
     /**
      * @copydoc NewL
      */
-    static CTsFswEngine* NewLC( MHsDataObserver& aObserver );
+    static CTsFswEngine* NewLC( MHsDataObserver& observer );
 
     /**
      * Destructor.
@@ -92,19 +55,25 @@
 
     /**
      * Returns a reference to the current content.
-     * Also performs sanity checks, e.g. associates application icons
-     * when no screenshot has been received.
      * @return  ref to content array
      */
     const RTsFswArray& FswDataL();
 
-
+    /**
+     * Set screenshot 
+     */
+    void SetScreenshotL(const CFbsBitmap* bitmap, UpdatePriority priority, TInt wgId);
+    
+    /**
+     * Removes screenshot 
+     */    
+    void RemoveScreenshotL(TInt wgId);
 
 
 private:
 
     // from MTsFswTaskListObserver
-    void UpdateTaskList();
+    void DataChanged();
 
 
 
@@ -112,7 +81,7 @@
     /**
      * Constructor.
      */
-    CTsFswEngine( MHsDataObserver& aObserver );
+    CTsFswEngine( MHsDataObserver& observer );
 
     /**
      * Performs 2nd phase construction.
@@ -125,53 +94,9 @@
      */
     TBool CollectTasksL();
 
-
-    /**
-     * Callback for the iUpdateStarter timer.
-     * Calls CollectTasksL and notifies the observer if the task list
-     * has really been modified.
-     */
-    static TInt UpdateStarterCallback( TAny* aParam );
-
-    /**
-     * Returns the uid of the foreground app or KNullUid.
-     * Will never return hidden apps, only those which can
-     * also be seen in the array returned by FswDataL.
-     *
-     * In case of embedded apps the behaviour is controlled
-     * by aType: it will return either the uid of the embedded
-     * application or the container app.
-     *
-     * @param   aType   @see CTsFswClient::TTsFswFgAppType
-     */
-    TUid ForegroundAppUidL( TInt aType );
-    
-    /**
-     * Gets and publishes the foreground app uid to CFW.
-     */
-    void PublishFgAppUidL();
-
 private:
-    // data    
-    MHsDataObserver& iObserver;
-
-    // window server session
-    RWsSession iWsSession;
-
-    // apparc session
-    RApaLsSession iAppArcSession;
-
-    // timer to defer content refresh
-    CPeriodic* iUpdateStarter;
-
-
-    // window group ids returned by last WindowGroupList call
-    RArray<TInt> iWgIds;
-  
-    TUid iFgAppUid;
-
-
-    CTsFswDataList* iDataList;//own
+    MHsDataObserver& mObserver;
+    CTsFswDataList* mDataList; //own
 
     };