--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/VideoSource/src/cmultiframeloopao.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2008 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:  Video Source subsystem.
+*
+*/
+
+
+// INCLUDE FILES
+#include "cmultiframeloopao.h"
+#include "cmultiframeprovider.h"
+#include "VSPanic.h"
+
+// MACROS
+
+#ifdef _DEBUG
+#    define __IF_DEBUG(t) {RDebug::t;}
+#else
+#    define __IF_DEBUG(t)
+#endif
+// ============================ CMultiframeloopAO ===============================
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::CMultiframeloopAO( CMultiframeProvider* aRequester )
+// -----------------------------------------------------------------------------
+//
+CMultiframeloopAO::CMultiframeloopAO( CMultiframeProvider* aRequester )
+: CActive( EPriorityLow ), iRequester( aRequester ), iFreeBMCount(0), iRequireStopping(EFalse)
+    {
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::CMultiframeloopAO() >>"), RThread().Id().operator TUint()));
+    RThread me;
+    iThreadId = me.Id();
+    CActiveScheduler::Add( this );
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::CMultiframeloopAO() <<"), RThread().Id().operator TUint()));
+    }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::~CMultiframeloopAO()
+// -----------------------------------------------------------------------------
+//
+CMultiframeloopAO::~CMultiframeloopAO()
+    {
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::~CMultiframeloopAO() >>"), RThread().Id().operator TUint()));
+    Cancel();
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::~CMultiframeloopAO() <<"), RThread().Id().operator TUint()));
+    }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::Signal( )
+// -----------------------------------------------------------------------------
+//
+void CMultiframeloopAO::Signal( )
+    {
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::Signal() >>"), RThread().Id().operator TUint()));
+    iRequester->iAnimation = ETrue;	
+    if ( !IsActive() )
+        {
+        SetActive();
+        TRequestStatus* pStatus = &iStatus;
+        RThread me;
+        if ( me.Id() == iThreadId )
+            {
+            User::RequestComplete( pStatus, KErrNone );
+            }
+        else
+            {
+            if ( me.Open( iThreadId ) == KErrNone )
+                {
+                *pStatus = KRequestPending;
+                me.RequestComplete( pStatus, KErrNone );
+                me.Close();
+                }
+            else
+                {
+                Panic( EVSPanicThreadOpenFailure );
+                }
+            }
+        }
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::Signal() <<"), RThread().Id().operator TUint()));
+    }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::RunL()
+// -----------------------------------------------------------------------------
+//
+void CMultiframeloopAO::RunL()
+    {
+    iRequester->WaitForConverting();
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() >>"), RThread().Id().operator TUint()));
+
+    //stop loop ao
+    if (iRequireStopping)
+        {
+        __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() CANCEL CALLED,stop by flag"), RThread().Id().operator TUint()));
+        iRequireStopping = EFalse;
+        iRequester->ReleaseForConverting();
+        return;
+        }
+
+    // Cancel is handled in this way because
+    if ( iStatus ==  KErrCancel)
+        {
+        __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() CANCEL CALLED IN PROTO THREAD STOP LOOPPING"), RThread().Id().operator TUint()));
+        iRequester->ReleaseForConverting();
+        return;	
+        }
+
+    //If free bitmaps proceed next frame
+    if ( iFreeBMCount > 0 )
+        {	
+        ++iIndex;
+        // Loop animation starting from first frame 				
+        if ( iIndex > iFramecount - 1 )
+            {
+            iIndex = KFirstFrameIndx;	
+            }	
+        __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() RunL index %d"), RThread().Id().operator TUint(), iIndex));	
+        iRequester->ConvertAndScaleL( iIndex );					
+        }
+    //Wait until free bitmaps to proceed 		
+    else
+        {
+        __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() NO FREE BMs"), RThread().Id().operator TUint()));
+        iStatus = KRequestPending;
+        SetActive();
+        }	
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RunL() <<"), RThread().Id().operator TUint()));
+    iRequester->ReleaseForConverting();
+    }
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::RemoveFreeBitmaps()
+// -----------------------------------------------------------------------------
+//     
+void CMultiframeloopAO::RemoveFreeBitmaps( TInt aCount )
+	  {
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RemoveFreeBitmaps() >>"), RThread().Id().operator TUint()));
+		iFreeBMCount = iFreeBMCount - aCount;	
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::RemoveFreeBitmaps() frames %d <<"), RThread().Id().operator TUint(), aCount));	
+	  }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::SetFreeBitmaps()
+// -----------------------------------------------------------------------------
+//     
+void CMultiframeloopAO::SetFreeBitmaps( TInt aCount )
+	  {
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::SetFreeBitmaps() >>"), RThread().Id().operator TUint()));
+		iFreeBMCount = iFreeBMCount + aCount;		
+		if ( IsActive() && iStatus == KRequestPending)
+				{
+				TRequestStatus* pStatus = &iStatus;
+  			User::RequestComplete( pStatus, KErrNone );		
+				}
+	
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::SetFreeBitmaps() frames %d <<"), RThread().Id().operator TUint(), aCount));	
+	  }	    
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::SetFrameCount()
+// -----------------------------------------------------------------------------
+//    
+void CMultiframeloopAO::SetFrameCount( TInt aCount )
+	  {
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::SetFrameCount() >>"), RThread().Id().operator TUint()));	
+		iFramecount = aCount;
+		iIndex = 0;
+		__IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::SetFrameCount() frames %d <<"), RThread().Id().operator TUint(), aCount));	
+	  }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::CancelDataLoop()
+// -----------------------------------------------------------------------------
+//
+ void CMultiframeloopAO::CancelDataLoop()
+     {
+     __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::CancelDataLoop() >>"), RThread().Id().operator TUint()));		
+     if ( IsActive() )
+         {
+         if ( iStatus == KRequestPending )
+             {
+             RThread me;
+             if ( me.Id() == iThreadId )
+                 {
+                 Cancel();
+                 }
+             else
+                 {
+                 if ( me.Open( iThreadId ) == KErrNone )
+                     {
+                     TRequestStatus* pStatus = &iStatus;
+                     *pStatus = KRequestPending;
+                     me.RequestComplete( pStatus, KErrCancel );
+                     me.Close();
+                     }
+                 else
+                     {
+                     Panic( EVSPanicThreadOpenFailure );
+                     }
+                 }
+             }
+         else
+             {
+             iRequireStopping = ETrue;
+             }
+         }
+     __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::CancelDataLoop() <<"), RThread().Id().operator TUint()));					
+     }
+
+// -----------------------------------------------------------------------------
+// CMultiframeloopAO::DoCancel()
+// -----------------------------------------------------------------------------
+//
+void CMultiframeloopAO::DoCancel()
+    {
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::DoCancel() >>"), RThread().Id().operator TUint()));
+    if ( iStatus == KRequestPending )
+    	  {
+    	  TRequestStatus* pStatus = &iStatus;
+    	  User::RequestComplete( pStatus, KErrCancel );
+    	  }
+    __IF_DEBUG(Print(_L("VideoSource [%d]: CMultiframeloopAO::DoCancel() <<"), RThread().Id().operator TUint()));
+    }   
+
+// End of File