fbs/fontandbitmapserver/sfbs/fbsoogmplugin.cpp
branchRCL_3
changeset 163 bbf46f59e123
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/sfbs/fbsoogmplugin.cpp	Tue Aug 31 16:31:06 2010 +0300
@@ -0,0 +1,162 @@
+/*
+* Copyright (c) 2010 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:  Graphics-Out-Of-Memory plugin for Font and Bitmap server.
+*
+*/
+
+#include <ecom/ecom.h>
+#include <ecom/implementationproxy.h>
+#include <graphics/fbsoogmmessage.h>
+#include <w32std.h>
+#include <FBS.H>
+
+#include "fbsoogmplugin.h"
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "fbsoogmpluginTraces.h"
+#endif
+
+
+/**
+ Called by the GOoM monitor framework in the case of low GPU memory.
+
+ Note: In the case of failure, this framework method will do so silently.
+
+ @param aBytesToFree The amount of GPU memory to be freed.
+ */
+void CFbsOogmMonitorPlugin::FreeRam( TInt aBytesToFree, TInt aFlags )
+    {
+    OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_FREERAM, "> " );
+
+    if ( (NULL == RFbsSession::GetSession()) )
+         {
+         if ( KErrNone != RFbsSession::Connect() )
+             {
+             OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_FREERAM, "< No FbsSession" );
+
+             return;
+             }
+
+         }
+
+    TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmLowNotification, aBytesToFree, aFlags );
+    (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );
+
+    OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_FREERAM, "< " );
+    }
+
+
+
+/**
+ Called by the GOoM monitor framework in the case of normal GPU memory-usage being permissible.
+
+ Note: In the case of failure, this framework method will do so silently.
+ */
+void CFbsOogmMonitorPlugin::MemoryGood( TInt aFlags )
+    {
+    OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_MEMORYGOOD, ">" );
+
+    if ( (NULL == RFbsSession::GetSession()) )
+         {
+        if ( KErrNone != RFbsSession::Connect() )
+            {
+            OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "< No FbsSession" );
+
+            return;
+            }
+
+         }
+
+    const TInt KOogmDummyIntegerArgument = 0;
+    TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmOkayNotification, KOogmDummyIntegerArgument, aFlags );
+    (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );
+
+	OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "<" );
+    }
+
+
+
+/**
+
+ */
+CFbsOogmMonitorPlugin::CFbsOogmMonitorPlugin()
+    {
+    }
+
+
+
+/**
+
+ */
+CFbsOogmMonitorPlugin::~CFbsOogmMonitorPlugin()
+    {
+    RFbsSession::Disconnect();
+    }
+
+
+
+/**
+
+ */
+void CFbsOogmMonitorPlugin::ConstructL()
+    {
+    CGOomMonitorPluginBase::ConstructL();
+    }
+
+
+
+/**
+
+ */
+TAny* CreatePlugin()
+    {
+    CFbsOogmMonitorPlugin* self = new CFbsOogmMonitorPlugin;
+    if ( self )
+        {
+        TRAPD( err, self->ConstructL() );
+        if ( err != KErrNone )
+            {
+            delete self;
+            self = NULL;
+            }
+        }
+
+    return self;
+    }
+
+
+
+/**
+
+ */
+const TImplementationProxy ImplementationTable[] =
+    {
+    { {0x2002B638}, ::CreatePlugin }
+    };
+
+
+
+/**
+
+ */
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )
+    {
+    OstTrace0( TRACE_NORMAL, _IMPLEMENTATIONGROUPPROXY, "> ::ImplementationGroupProxy" );
+    
+    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy ) ;
+    return ImplementationTable;
+    }
+
+
+