logsui/AppSrc/CLogsViewGlobals.h
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/AppSrc/CLogsViewGlobals.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,109 @@
+/*
+* 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: 
+*       Logs.app global variables. A singleton class.
+*
+*/
+
+
+#ifndef CLogsViewGlobals_H
+#define CLogsViewGlobals_H
+
+
+//  INCLUDES
+#include <e32base.h>
+
+#include "MLogsExtensionFactory.h"
+
+// FORWARD DECLARATIONS
+class CLogsExtensionLoader;
+
+// CLASS DECLARATION
+
+/**
+ * Logs.app global variables. A singleton class.
+ */
+class CLogsViewGlobals : private CBase
+    {
+    public: // Constructors and destructor
+        /**
+         * Returns the singleton CLogsViewGlobals instance. If no instance
+		 * exists yet it is created.
+         */
+        static CLogsViewGlobals* InstanceL();
+
+		/**
+		 * Pushes this object on to the cleanup stack.
+		 */
+		void PushL();
+
+    public: // New functions
+		/**
+		 * Returns view extension factory. If no instance exists yet it is 
+		 * created.
+		 */
+		MLogsExtensionFactory& ExtensionFactoryL();
+
+    private: // Interface for Release(CLogsViewGlobals*)
+		friend void Release(CLogsViewGlobals*);
+        virtual void DoRelease();
+		static void CleanupRelease(TAny* aObj);
+
+    private:  // Implementation
+        CLogsViewGlobals();
+        void ConstructL();
+        static CLogsViewGlobals* NewLC();
+        ~CLogsViewGlobals();
+        void IncRef();
+        TInt DecRef();
+        TInt RefCount();
+
+    private:  // Data
+        /// Own: reference count for InstanceL calls
+        TInt iRefCount;
+        /// Own: for loading dll and getting extension factory
+        CLogsExtensionLoader* iLoader;
+
+        //
+        //Static pointer to singleton instance of this class
+    public:        
+        static CLogsViewGlobals* singleThis;
+    };
+
+
+// INLINE FUNCTIONS
+
+inline void CLogsViewGlobals::PushL()
+	{
+    CleanupStack::PushL(TCleanupItem(CleanupRelease,this)); 
+	}
+
+inline void Release(CLogsViewGlobals* aObj)
+	{
+	if (aObj)
+		{
+		aObj->DoRelease();
+		}
+	}
+
+inline void CLogsViewGlobals::CleanupRelease(TAny* aObj)
+    { 
+    Release(static_cast<CLogsViewGlobals*>(aObj)); 
+    }
+
+
+#endif
+            
+
+// End of File