--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/msgeditor/appuisrc/MsgEditorSettingCacheUpdatePlugin.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2002 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:  MsgEditorSettingCacheUpdatePlugin implementation
+*
+*/
+
+
+
+// ========== INCLUDE FILES ================================
+
+
+
+#include "MsgEditorSettingCacheUpdatePlugin.h"
+
+#include <e32std.h>                 // for GLDEF_C
+#include <centralrepository.h>
+#include <MessagingSDKCRKeys.h>
+
+// ========== EXTERNAL DATA STRUCTURES =====================
+// ========== EXTERNAL FUNCTION PROTOTYPES =================
+// ========== CONSTANTS ====================================
+// ========== MACROS =======================================
+// ========== LOCAL CONSTANTS AND MACROS ===================
+// ========== MODULE DATA STRUCTURES =======================
+// ========== LOCAL FUNCTION PROTOTYPES ====================
+// ========== LOCAL FUNCTIONS ==============================
+// ========== MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------
+// TMsgEditorSettingCacheUpdatePlugin::TMsgEditorSettingCacheUpdatePlugin
+//
+// Constructor.
+// ---------------------------------------------------------
+//
+EXPORT_C TMsgEditorSettingCacheUpdatePlugin::TMsgEditorSettingCacheUpdatePlugin(CAknAppUi* aAppUi)    
+    :
+    iLocalZoomCache(EAknUiZoomAutomatic),
+    iAppUi(aAppUi)
+    {
+    CRepository* repository = NULL;
+    TRAPD( ret, repository = CRepository::NewL(KCRUidMessagingUiSettings) );
+    if (ret == KErrNone)
+        {
+        TInt cenRepZoomValue = 0;
+        ret = repository->Get(KMessagingEditorLocalUiZoom, cenRepZoomValue);
+        if( ret == KErrNone )
+            {
+            iLocalZoomCache = static_cast<TAknUiZoom>(cenRepZoomValue);
+            }
+        }
+    delete repository;          
+    }
+
+
+// ---------------------------------------------------------
+// TMsgEditorSettingCacheUpdatePlugin::~TMsgEditorSettingCacheUpdatePlugin
+//
+// Destructor.
+// ---------------------------------------------------------
+//
+EXPORT_C TMsgEditorSettingCacheUpdatePlugin::~TMsgEditorSettingCacheUpdatePlugin()
+    {
+    }
+
+// ---------------------------------------------------------
+// TMsgEditorSettingCacheUpdatePlugin::HandlesEvent
+//
+// check for the KAknLocalZoomLayoutSwitch event
+// ---------------------------------------------------------
+//
+TBool TMsgEditorSettingCacheUpdatePlugin::HandlesEvent(TInt aEventId) const
+    {
+    return (aEventId == KAknLocalZoomLayoutSwitch);
+    }
+
+// ---------------------------------------------------------
+// TMsgEditorSettingCacheUpdatePlugin::Update
+//
+// Update the cached value of the local messaging Ui Local Zoom value.
+// Recognises layout switch events and checks for changes
+// ---------------------------------------------------------
+//
+TBool TMsgEditorSettingCacheUpdatePlugin::Update(TInt aEventId)
+    {
+    bool changed = EFalse;
+    if (aEventId == KAknLocalZoomLayoutSwitch)
+        {
+        if(iAppUi)
+            {
+            TInt oldLocalZoom = iLocalZoomCache;
+            CRepository* repository = NULL;
+            TRAPD( ret, repository = CRepository::NewL(KCRUidMessagingUiSettings) );
+            if (ret == KErrNone)
+                {
+                TInt cenRepZoomValue = 0;
+                ret = repository->Get(KMessagingEditorLocalUiZoom, cenRepZoomValue);
+                 if( ret == KErrNone )
+                    {
+                    iLocalZoomCache = static_cast<TAknUiZoom>(cenRepZoomValue);
+                    changed = (iLocalZoomCache != oldLocalZoom);
+                    }
+                }
+            delete repository;
+            }
+        }
+    return changed;
+    }
+
+// ---------------------------------------------------------
+// TMsgEditorSettingCacheUpdatePlugin::GetValue
+// ---------------------------------------------------------
+EXPORT_C TInt TMsgEditorSettingCacheUpdatePlugin::GetValue(TInt aEventId, TInt& aValue) const
+    {
+    if(aEventId == KAknLocalZoomLayoutSwitch)
+        {
+        aValue = iLocalZoomCache;
+        return KErrNone;
+        }
+    return KErrNotSupported;
+    }
+ 
+
+
+//  End of File