--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/uiutilities/src/glxrequestfreegoom.cpp	Mon Jun 21 15:40:32 2010 +0300
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2008-2009 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:    Request Goom to free memory in asynch way
+ *
+ */
+
+#include <glxtracer.h>
+#include <glxlog.h>
+
+#include "glxrequestfreegoom.h"
+
+const TInt KMinMemoryRequest = 3145728; // 3 MB
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::NewL
+// ----------------------------------------------------------------------------
+//
+EXPORT_C CGlxRelaseGPUMemory* CGlxRelaseGPUMemory::NewL(
+        MGoomNotifierObserver& aNotify)
+    {
+    TRACER("CGlxRelaseGPUMemory::NewL()");
+    CGlxRelaseGPUMemory* self = CGlxRelaseGPUMemory::NewLC(aNotify);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::NewLC
+// ----------------------------------------------------------------------------
+//
+CGlxRelaseGPUMemory* CGlxRelaseGPUMemory::NewLC(
+        MGoomNotifierObserver& aNotify)
+    {
+    TRACER("CGlxRelaseGPUMemory::NewLC()");
+    CGlxRelaseGPUMemory* self = new (ELeave) CGlxRelaseGPUMemory(aNotify);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::CGlxRelaseGPUMemory
+// ----------------------------------------------------------------------------
+//
+CGlxRelaseGPUMemory::CGlxRelaseGPUMemory(MGoomNotifierObserver& aNotify) :
+    CActive(CActive::EPriorityStandard), iNotify(aNotify), iIsFirstRequest(
+            ETrue)
+    {
+    TRACER("CGlxRelaseGPUMemory::CGlxRelaseGPUMemory()");
+    CActiveScheduler::Add(this);
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::~CGlxRelaseGPUMemory()
+// ----------------------------------------------------------------------------
+//
+CGlxRelaseGPUMemory::~CGlxRelaseGPUMemory()
+    {
+    TRACER("CGlxRelaseGPUMemory::~CGlxRelaseGPUMemory()");
+    Cancel();
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::IssueRequest()
+// ----------------------------------------------------------------------------
+//
+void CGlxRelaseGPUMemory::IssueRequest()
+    {
+    TRACER("CGlxRelaseGPUMemory::IssueRequest()");
+    if (!IsActive())
+        {
+#ifdef _DEBUG
+        iStartTime.HomeTime();
+#endif                          
+        iGoom.RequestFreeMemory(KMinMemoryRequest, iStatus);
+        SetActive();
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::ConstructL()
+// ----------------------------------------------------------------------------
+//
+void CGlxRelaseGPUMemory::ConstructL()
+    {
+    TRACER("CGlxRelaseGPUMemory::ConstructL()");
+    TInt err = iGoom.Connect();
+    GLX_LOG_INFO1("CGlxRelaseGPUMemory::ConstructL %d", err);
+    User::LeaveIfError(err);
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::RequestMemory()
+// ----------------------------------------------------------------------------
+//
+EXPORT_C void CGlxRelaseGPUMemory::RequestMemory()
+    {
+    TRACER("CGlxRelaseGPUMemory::RequestMemory()");
+    IssueRequest();
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::DoCancel()
+// ----------------------------------------------------------------------------
+//
+void CGlxRelaseGPUMemory::DoCancel()
+    {
+    TRACER("CGlxRelaseGPUMemory::DoCancel()");
+    iGoom.CancelRequestFreeMemory();
+    iGoom.Close();
+    }
+
+// ----------------------------------------------------------------------------
+// CGlxRelaseGPUMemory::RunL
+// ----------------------------------------------------------------------------
+//
+void CGlxRelaseGPUMemory::RunL()
+    {
+    TRACER("CGlxRelaseGPUMemory::RunL()");
+    GLX_LOG_INFO1("CGlxRelaseGPUMemory::RunL %d", iStatus.Int());
+#ifdef _DEBUG
+    iStopTime.HomeTime();
+    GLX_DEBUG2("CGlxRelaseGPUMemory: Mem free GOOM took <%d> us",
+            (TInt)iStopTime.MicroSecondsFrom(iStartTime).Int64());
+#endif                          
+
+    if (iIsFirstRequest && (iStatus.Int() != KErrNone))
+        {
+        iIsFirstRequest = EFalse;
+        IssueRequest();
+        return;
+        }
+
+    // Notify observer on the RequestFreeMemory() status
+    iNotify.HandleGoomMemoryReleased(iStatus.Int());
+    }