mmsengine/mmshttptransport/inc/mmsbearerstatus.h
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsengine/mmshttptransport/inc/mmsbearerstatus.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2002-2004 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:  
+*     This class implements notifications from bearers which is needed when
+*     transferring data to/from wap gw.
+*
+*/
+
+
+
+#ifndef CMMSBEARERSTATUS_H
+#define CMMSBEARERSTATUS_H
+
+//  INCLUDES
+#include    <e32base.h>
+#include    <nifman.h>
+
+#include    "mmssession.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class MMmsTransportObserver;
+
+// CLASS DECLARATION
+/**
+*  Class for detecting GPRS state and if transfer was cancelled
+*/
+NONSHARABLE_CLASS( CMmsBearerStatus ): public CActive
+    {
+    enum TMmsBearerType
+        {
+        EMmsBearerGprs = 0,
+        EMmsBearerWcdma
+        };
+
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aRConnection opened RConnection
+        */
+        static CMmsBearerStatus* NewL( RConnection& aRConnection );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMmsBearerStatus();
+
+    public: // New functions
+
+        /**
+        * Used to query if the bearer is set to GPRS
+        * @return True if GPRS, false otherwise
+        */
+        TBool IsGprs() const;
+        
+        /**
+        * Used to query if the bearer (GPRS only) is in suspended state
+        * @return True if suspended, false otherwise
+        */
+        TBool IsSuspended();
+
+        /**
+        * A request function to notify the requester if transfer is cancelled
+        * NOTE! NotifySuspendResume and NotifyTransferCancel can not be called 
+        * from same instance at the same time !        
+        * @param aRequester Pointer to the object making the request 
+        */
+        void SubscribeNotification( MMmsTransportObserver* aRequester);
+
+        /**
+        * Function to set the bearer in use
+        * @param aBearerType Type of bearer
+        */
+        void SetBearer( TMmsBearerType aBearerType );
+
+    public: // Functions from base classes
+
+    protected:  // New functions
+
+    protected:  // Functions from base classes
+
+        /**
+        * Active object cancellation
+        */
+        void DoCancel();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CMmsBearerStatus();
+
+        /**
+        * By default Symbian OS constructor is private.
+        * @param aRConnection opened RConnection
+        */
+        void ConstructL( RConnection& aRConnection );
+
+        /**
+        * Completion
+        */
+        void RunL();
+
+        // By default, prohibit copy constructor
+        CMmsBearerStatus( const CMmsBearerStatus& );
+
+        // Prohibit assignment operator
+        CMmsBearerStatus& operator= ( const CMmsBearerStatus& );
+
+    public:     // Data
+
+    protected:  // Data
+
+    private:    // Data
+
+    TMmsBearerType      iBearerType;
+    MMmsTransportObserver*   iRequester;
+
+    RConnection*        iRConnection;
+    TNifProgressBuf     iProgressBuffer;
+
+    TBool               iConnected;
+    TBool               iSuspended;
+
+    public:     // Friend classes
+    protected:  // Friend classes
+    private:    // Friend classes
+
+    };
+
+    #include "mmsbearerstatus.inl"
+
+#endif      // CMMSBEARERSTATUS_H
+
+// End of File