--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/commonui/inc/glxbackservicewrapper.h Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,130 @@
+/*
+* 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: wrapper for Back Stepping Service
+*
+*/
+
+
+
+
+#ifndef C_GLX_BACKSERVICE_WRAPPER
+#define C_GLX_BACKSERVICE_WRAPPER
+
+#include <e32base.h>
+
+class MLiwInterface;
+class CLiwGenericParamList;
+class CLiwServiceHandler;
+
+/**
+ * BS Service wrapper
+ *
+ * @since S60 v3.2
+ */
+class CGlxBackServiceWrapper : public CBase
+ {
+
+public:
+
+ /**
+ * Two-phased constructors
+ * @param aUid client application UID
+ */
+ static CGlxBackServiceWrapper* NewL( const TUid aUid );
+ static CGlxBackServiceWrapper* NewLC( const TUid aUid );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CGlxBackServiceWrapper();
+
+ /**
+ * Forwards activation event
+ *
+ * @since S60 v3.2
+ * @param aState state of application like view ids
+ * @param aEnter indicate if it is entry/exit activation
+ * @return result code retutned by BS Service interface
+ * @leave leaves from HandleResultL are propagated
+ */
+ IMPORT_C TInt ForwardActivationEventL( const TDesC8& aState, const TBool aEnter );
+
+ /**
+ * Handles back command
+ *
+ * @since S60 v3.2
+ * @param aState state of application like view ids
+ * @return result code retutned by BS Service interface
+ * @leave leaves from HandleResultL are propagated
+ */
+ IMPORT_C TInt HandleBackCommandL( const TDesC8& aState, const TBool aCheckOnly = EFalse );
+
+private:
+
+ CGlxBackServiceWrapper();
+
+ /**
+ * 2nd phase constructor
+ * @param aUid client application UID
+ */
+ void ConstructL( const TUid aUid );
+
+ /**
+ * Initializes BS Service
+ * @param aUid client application UID
+ * @leave KErrNotSupported or KErrArgument
+ * (if arguments passed to BS Service are incorrect
+ * or could not initialize BS)
+ * KErrNotFound (if there was no return value)
+ */
+ void InitializeL( const TUid aUid );
+
+ /**
+ * Handles the result of a LIW command
+ * @return result code retutned by BS Service interface
+ * @leave KErrNotSupported or KErrArgument
+ * (if arguments passed to BS Service are incorrect)
+ * KErrNotFound (if there was no return value)
+ */
+ TInt HandleResultL();
+
+private: // data
+
+ /**
+ * Liw Service Handler
+ * Own.
+ */
+ CLiwServiceHandler* iServiceHandler;
+
+ /**
+ * BS Service interface returned by LIW
+ * Own.
+ */
+ MLiwInterface* iBSInterface;
+
+ /**
+ * In param list
+ * Not own.
+ */
+ CLiwGenericParamList* iInParamList;
+
+ /**
+ * Out param list
+ * Not own.
+ */
+ CLiwGenericParamList* iOutParamList;
+
+ };
+
+#endif // C_GLX_BACKSERVICE_WRAPPER