camerauis/cameraapp/generic/inc/CamSAEventActive.h
changeset 0 1ddebce53859
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamSAEventActive.h	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,91 @@
+/*
+* Copyright (c) 2007 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:  Handles system agent events*
+*/
+
+
+
+#ifndef CAMSAEVENTACTIVE_H
+#define CAMSAEVENTACTIVE_H
+
+//  INCLUDES
+#include <saclient.h>
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CCamAppController;
+
+// CLASS DECLARATION
+
+/**
+* Active Object listening to events coming from System Agent
+* @since 2.8
+*/
+
+class CCamSAEventActive : public CActive 
+    {
+    public: // Constructors and destructor
+        /**
+        * C++ constructor
+        * @since 2.8
+        * @param aController reference to CCamAppController instance
+        * @param aSystemAgent System agent handle
+        */
+        CCamSAEventActive( CCamAppController& aController,
+                            const RSystemAgent& aSystemAgent );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CCamSAEventActive();
+
+    public:
+        /**
+        * Issue a request to receive events from System Agent
+        * @since 2.8
+        */
+        void IssueRequest();
+
+    private: // Functions from base classes
+        /**
+        * From CActive, called when RunL() is trapped by Active Scheduler
+        * @since 2.8
+        * @param aError the error code trapped from RunL()
+        * @return TInt KErrNone
+        */
+        TInt RunError( TInt aError );   
+
+        /**
+        * From CActive called when an event comes from System Agent
+        * Calls HandleSAEvent in Controller to handle the event
+        * @since 2.8
+        */
+        void RunL();
+
+        /**
+        * From CActive Cancel request
+        * @since 2.8
+        */
+        void DoCancel();
+
+    private:
+        CCamAppController& iController;
+        RSystemAgent iSystemAgent;
+        TSysAgentEvent iSAEvent;
+        TBool iRequestIssued;
+    };
+
+#endif  // CAMSAEVENTACTIVE_H   
+            
+// End of File