--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/cameracontroller/camperformancelogger.h	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2007 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:  
+*
+*/
+
+
+
+#ifndef CAM_PERFORMANCELOGGER_H
+#define CAM_PERFORMANCELOGGER_H
+
+
+#include "camcameracontrollerflags.hrh"
+
+
+#ifdef CAMERAAPP_PERFORMANCE_CONTROLLER
+// ===========================================================================
+_LIT( KCamPerformanceItemFormat, "%s duration: %d \n");
+
+class TCamPerformanceItem
+  {
+  public:
+    TCamPerformanceItem( TCamCameraRequestId aId )
+      : iId( aId ), iStart( Time64() ), iStop( iStart ) {};
+
+    TCamPerformanceItem( const TCamPerformanceItem& aOther )
+      : iId( aOther.iId ), iStart( aOther.iStart ), iStop( aOther.iStop ) {};
+
+    void Start() { iStart = Time64(); iStop = iStart; };
+    void Stop()  { iStop  = Time64();                 };
+  
+    TInt64 Time64() const
+      {
+      TTime time;
+      time.HomeTime();
+      return time.Int64();
+      };
+
+    TInt Duration() const
+      {
+      return (TInt)(iStop - iStart);
+      };
+
+    const TCamCameraRequestId iId;
+    TInt64                    iStart;
+    TInt64                    iStop;
+  };
+
+
+
+
+class CCamPerformanceLogger : public CBase
+  {
+  public:
+    CCamPerformanceLogger() {};
+    ~CCamPerformanceLogger() 
+      { 
+      iData.Reset();
+      iData.Close(); 
+      };
+  
+    void Requested( const TCamCameraRequestId& aRequest )
+      {
+      TInt error = iData.Append( TCamPerformanceItem( aRequest ) );
+
+      if( KErrNone != error )
+        {
+        // Ignored
+        }
+      };
+
+    void Completed( const TCamCameraRequestId& aRequest )
+      {
+      // Set the end time for last performance item
+      // found with this id.
+      for( TInt i = iData.Count() - 1; i >= 0; i-- )
+        {
+        if( aRequest == iData[i].iId )
+          {
+          iData[i].Stop();
+          return;
+          }          
+        }
+      /// Ignore error if not found
+      };
+
+    TInt InfoSizeEstimate() const
+      {
+      return 50 * iData.Count();
+      }
+
+    void InfoText( TDes& aDes ) const
+      {
+      TInt count = iData.Count();
+      for( TInt i = 0; i < count; i++ )
+        {
+        const TCamPerformanceItem& item = iData[i];
+        // ECamRequestNone used to mark sequence start and end.
+        if( item.iId >= ECamRequestNone && item.iId < ECamRequestLast )
+          {
+          aDes.AppendFormat( KCamPerformanceItemFormat, KCamRequestNames[item.iId], item.Duration() );
+          }
+        } 
+      }
+
+  private:
+    RArray<TCamPerformanceItem> iData;
+  };
+// ===========================================================================
+#endif // CAMERAAPP_PERFORMANCE_CONTROLLER
+
+#endif // CAM_PERFORMANCELOGGER_H