--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/view/src/shwgesturecontrol.cpp	Wed Sep 01 12:33:26 2010 +0100
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2007-2008 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:    The pause handling control for the slideshow
+ *
+*/
+
+
+
+ 
+#include <alf/alfenv.h>
+#include <alf/alfdisplay.h>
+#include <alf/alfevent.h> 
+
+#include <glxlog.h>
+#include <glxtracer.h>
+#include <glxpanic.h>
+#include "shwslideshowengine.h"
+#include "shwgesturecontrol.h"
+
+using namespace GestureHelper;
+
+
+// -----------------------------------------------------------------------------
+// NewL.
+// -----------------------------------------------------------------------------
+//
+CShwGestureControl* CShwGestureControl::NewL( CAlfEnv& aEnv,CAlfDisplay& aDisplay)
+	{
+	TRACER("CShwGestureControl::NewL");
+	GLX_LOG_INFO( "CShwGestureControl::NewL" );
+	CShwGestureControl* self = new(ELeave)CShwGestureControl();
+	CleanupStack::PushL( self );
+	self->ConstructL( aEnv,aDisplay);
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// ConstructL.
+// -----------------------------------------------------------------------------
+//
+void CShwGestureControl::ConstructL( CAlfEnv& aEnv,CAlfDisplay& aDisplay)
+	{
+	TRACER("CShwGestureControl::ConstructL");
+	GLX_LOG_INFO( "CShwGestureControl::ConstructL" );
+	CAlfControl::ConstructL(aEnv);    
+    BindDisplay(aDisplay);
+	}
+
+// -----------------------------------------------------------------------------
+// CShwGestureControl.
+// -----------------------------------------------------------------------------
+//
+CShwGestureControl::CShwGestureControl( )
+	{
+	TRACER("CShwGestureControl::CShwGestureControl");
+	//no implementation
+	}
+
+// -----------------------------------------------------------------------------
+// ~CShwGestureControl.
+// -----------------------------------------------------------------------------
+//  
+CShwGestureControl::~CShwGestureControl()
+    {
+	TRACER("CShwGestureControl::~CShwGestureControl");
+	iObservers.ResetAndDestroy();
+    }
+
+// -----------------------------------------------------------------------------
+// AddObserverL
+// -----------------------------------------------------------------------------
+//
+void CShwGestureControl::AddObserverL(MShwGestureObserver* aObserver) 
+    {
+    TRACER("CShwGestureControl::AddObserverL");
+    GLX_LOG_INFO("CShwGestureControl::AddObserverL");
+    __ASSERT_DEBUG( NULL != aObserver , Panic(EGlxPanicNullPointer)); 
+    
+    // dont want to observe the same thing again and again.
+    if (iObservers.Find(aObserver) == KErrNotFound)
+        {
+        iObservers.AppendL(aObserver);
+        GLX_LOG_INFO1("CShwGestureControl::AddObserverL  Observer Added "
+                "observer count now [%d]", iObservers.Count());
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// RemoveObserver
+// -----------------------------------------------------------------------------
+//
+void CShwGestureControl::RemoveObserver(MShwGestureObserver* aObserver)
+    {
+    TRACER("CShwGestureControl::RemoveObserver");
+    GLX_LOG_INFO("CShwGestureControl::RemoveObserver");
+    TInt observerPosition = iObservers.Find(aObserver);
+    if (observerPosition != KErrNotFound)
+        {
+        iObservers.Remove(observerPosition);
+        GLX_LOG_INFO1("CShwGestureControl::RemoveObserver  One Observer removed "
+                "observer count now [%d]", iObservers.Count());
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// HandleGestureL.
+// -----------------------------------------------------------------------------
+//
+void CShwGestureControl::HandleGestureL( const GestureHelper::MGestureEvent& aEvent )
+	{
+	TRACER("CShwGestureControl::HandleGestureL");
+	GLX_LOG_INFO1( "CShwGestureControl::HandleGestureL(%d)", aEvent.Code( MGestureEvent::EAxisBoth ));
+
+	// No one is listening, Do not resolve the events for the listeners 
+	if (iObservers.Count() > 0)
+	    {
+        MShwGestureObserver::TShwGestureEventType aType  = MShwGestureObserver::ENoEvent;
+		switch ( aEvent.Code( MGestureEvent::EAxisBoth ) )
+		    {
+	    	case EGestureSwipeLeft:
+	    		{
+	    		aType  = MShwGestureObserver::ESwipeLeft ;
+	    		break;
+	    		}
+	    	case EGestureSwipeRight:  
+	    		{
+	    		aType  = MShwGestureObserver::ESwipeRight;
+	    		break;
+	    		}
+		    case EGestureTap:
+		    	{
+		    	aType  = MShwGestureObserver::ETapEvent;
+		    	break;
+		    	}
+		    default: 
+		    	{
+		    	// we are interested in only 
+		    	// swipe left(EGestureSwipeLeft) 
+		    	// swipe right(EGestureSwipeRight)
+		    	// and tap events
+		    	// we wont be handling any other case yet. 
+		    	break;
+		    	}
+		    }
+        for (TInt index = 0 ; index < iObservers.Count() ; index ++)
+            {
+            if (MShwGestureObserver::ENoEvent != aType )
+                {
+                iObservers[index]->HandleShwGestureEventL(aType);
+                }
+            }
+	    }
+	}
+
+//end of file
+