accessoryservices/accessoryserver/src/Server/AccSrvHandlerBase.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessoryservices/accessoryserver/src/Server/AccSrvHandlerBase.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,134 @@
+/*
+* Copyright (c) 2002-2006 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 base class for active handlers
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "AccSrvHandlerBase.h"
+#include "acc_debug.h"
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAccSrvHandlerBase::CAccSrvHandlerBase
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CAccSrvHandlerBase::CAccSrvHandlerBase() : 
+    CActive( EPriorityStandard ) //This will exceed accessory server thread priority "EPriorityNormal"
+    {
+    //Never called since only NewL(MAccSrvConnectionControllerObserver* aCallback) is defined
+    TRACE_ASSERT_ALWAYS;
+    }
+
+// -----------------------------------------------------------------------------
+// CAccSrvHandlerBase::CAccSrvHandlerBase
+// -----------------------------------------------------------------------------
+//
+CAccSrvHandlerBase::CAccSrvHandlerBase( 
+    MAccSrvConnectionControllerObserver* aCallback) : 
+    CActive( EPriorityStandard ),//This will exceed accessory server thread priority "EPriorityNormal"
+    iCallback( aCallback )
+    {
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::CAccSrvHandlerBase()" );
+
+    CActiveScheduler::Add( this );//Add the active object to the active scheduler
+
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::CAccSrvHandlerBase - return" );
+    }
+
+// Destructor
+CAccSrvHandlerBase::~CAccSrvHandlerBase()
+    {
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::~CAccSrvHandlerBase()" );
+
+    Cancel();
+
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::~CAccSrvHandlerBase - return" );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAccSrvHandlerBase::IssueRequest
+// Starts asynchronous handling.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAccSrvHandlerBase::IssueRequest()
+    {
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::IssueRequest()" );
+
+    Cancel();// Latest request will be served because it contains real time
+             // information e.g. in connection status update
+
+    iStatus = KRequestPending;
+    SetActive();
+
+    TRequestStatus* status = &iStatus;
+
+    User::RequestComplete(status, KErrNone);//RunL() function will get called
+
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::IssueRequest - return void" );
+    }
+
+// -----------------------------------------------------------------------------
+// CAccSrvHandlerBase::DoCancel
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CAccSrvHandlerBase::DoCancel()
+    {
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::DoCancel()" );
+
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::DoCancel - return void" );
+    }
+
+// -----------------------------------------------------------------------------
+// CAccSrvHandlerBase::RunError
+//
+// Called if RunL Leaves and this is not overwritten in inherited class.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CAccSrvHandlerBase::RunError(TInt /*aError*/)
+    {
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::RunError()" );
+
+    COM_TRACE_( "[AccFW:AccServer] CAccSrvHandlerBase::RunError - return KErrNone" );
+    return KErrNone;
+    }
+
+// End of File