logsui/AppSrc/CLogsNaviDecoratorWrapper.h
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/AppSrc/CLogsNaviDecoratorWrapper.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,102 @@
+/*
+* 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: 
+*      A singleton wrapper for Logs views CAknNavigationDecorator objects (Tab groups). 
+*      Each unique Tab group is only created if it doesn't already exist. This fixes 
+*      error MVHA-6TJDMJ.
+*
+*
+*/
+
+
+#ifndef CLogsNaviDecoratorWrapper_H
+#define CLogsNaviDecoratorWrapper_H
+
+
+//  INCLUDES
+#include <e32base.h>
+#include <coemain.h>
+#include "MLogsNaviDecoratorWrapper.h"
+
+// FORWARD DECLARATIONS
+class CAknNavigationDecorator;
+class CAknNavigationControlContainer;
+class MAknTabObserver;
+
+
+// CLASS DECLARATION
+
+/**
+ * A singleton class to wrap Navi Pane tab group handling for 
+ * Logs views.
+ */
+class CLogsNaviDecoratorWrapper : public CCoeStatic, 
+                                  public MLogsNaviDecoratorWrapper
+    {
+    public: 
+    /**
+     * Returns the singleton CLogsNaviDecoratorWrapper instance. If no instance
+	 * exists yet it is created.
+     */
+    static CLogsNaviDecoratorWrapper* InstanceL();
+    
+    /**
+     * Returns the wrapped iNaviDecorator instance. If no instance
+	 * exists yet a new one is created. If there is an instance but it is
+	 * of wrong resource type, a new instance is created and the old deleted. 
+	 * 
+	 * Called from CLogsBaseControlContainer::NavigationTabGroupL
+	 *
+	 * @param aNaviPane, the calling views status pane's navigation pane control
+	 * @param aTabObserver, an interface to the LogsAppUi::TabChangedL
+	 * @param aResource, the resource id of the 
+	 *
+	 * @return CAknNavigationDecorator object for the view's tab group
+     */
+    CAknNavigationDecorator* GetNaviDecoratorL(CAknNavigationControlContainer* aNaviPane,
+                                              MAknTabObserver* aTabObserver,
+                                              TInt aResource);
+                                              
+    private:  
+    /**
+     * NewLC is called from InstanceL.
+     */
+    static CLogsNaviDecoratorWrapper* NewLC();
+    
+    /**
+     * Constructor
+     */
+    CLogsNaviDecoratorWrapper(); 
+    
+    /**
+     * Destructor is called from CCoeEnv::DestroyEnvironmentStatic
+     */
+    ~CLogsNaviDecoratorWrapper();
+    
+
+    private:  // Data
+    
+    // Wrapped CAknNavigationDecorator object.
+    CAknNavigationDecorator* iNaviDecorator;  
+    
+    // State holder for the current resource id of the iNaviDecorator
+    TInt iCurrentNaviResource;
+    
+    
+    };
+
+#endif //CLogsNaviDecoratorWrapper_H
+            
+
+// End of File