--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/src/cfserver/cfasynccmdqueue.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,186 @@
+/*
+* Copyright (c) 2008 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:  CCFAsyncCmdQueue implementation.
+*
+*/
+
+
+// SYSTEM INCLUDES
+
+// USER INCLUDES
+#include "cfasynccmdqueue.h"
+#include "cfcmd.h"
+#include "cftrace.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CCFAsyncCmdQueue::CCFAsyncCmdQueue()
+    :   CActive( EPriorityHigh ),
+        iQueue( CCFCmd::SglQueLinkOffset() ),
+        iQueueIter( iQueue )
+    {
+    FUNC_LOG;
+
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian two phased constructor.
+// ---------------------------------------------------------------------------
+//
+CCFAsyncCmdQueue* CCFAsyncCmdQueue::NewL( )
+    {
+    FUNC_LOG;
+
+    CCFAsyncCmdQueue* self = CCFAsyncCmdQueue::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian two phased constructor.
+// Leaves pointer in the cleanup stack.
+// ---------------------------------------------------------------------------
+//
+CCFAsyncCmdQueue* CCFAsyncCmdQueue::NewLC()
+    {
+    FUNC_LOG;
+
+    CCFAsyncCmdQueue* self = new( ELeave ) CCFAsyncCmdQueue();
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ destructor.
+// ---------------------------------------------------------------------------
+//
+CCFAsyncCmdQueue::~CCFAsyncCmdQueue()
+    {
+    FUNC_LOG;
+
+    Cancel();
+    if ( !iQueue.IsEmpty() )
+        {
+        CCFCmd* cmd = NULL;
+        iQueueIter.SetToFirst(); 
+        while ( ( cmd = iQueueIter++ ) != NULL )
+            {
+            iQueue.Remove( *cmd );
+            delete cmd;
+            }
+        }
+    delete iCurrentCmd;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCFAsyncCmdQueue::Add
+// ---------------------------------------------------------------------------
+//
+void CCFAsyncCmdQueue::Add( CCFCmd* aCmd )
+    {
+    FUNC_LOG;
+
+    iQueue.AddLast( *aCmd );
+    Activate();
+    }
+
+// ---------------------------------------------------------------------------
+// CCFAsyncCmdQueue::AddFirst
+// ---------------------------------------------------------------------------
+//
+void CCFAsyncCmdQueue::AddFirst( CCFCmd* aCmd )
+    {
+    FUNC_LOG;
+
+    iQueue.AddFirst( *aCmd );
+    Activate();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CCFAsyncCmdQueue::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CCFAsyncCmdQueue::DoCancel()
+    {
+    FUNC_LOG;
+    // Nothing to do.
+    }
+
+// ---------------------------------------------------------------------------
+// CCFAsyncCmdQueue::RunL
+// ---------------------------------------------------------------------------
+//
+void CCFAsyncCmdQueue::RunL()
+    {
+    FUNC_LOG;
+
+    if ( !iQueue.IsEmpty() )
+        {
+        iCurrentCmd = iQueue.First();
+        iQueue.Remove( *iCurrentCmd );
+        iCurrentCmd->ExecuteL();
+        delete iCurrentCmd;
+        iCurrentCmd = NULL;
+        }
+
+    Activate();
+    }
+
+// ---------------------------------------------------------------------------
+// CCFAsyncCmdQueue::RunError
+// ---------------------------------------------------------------------------
+//
+TInt CCFAsyncCmdQueue::RunError( TInt aError )
+    {
+    FUNC_LOG;
+
+    if ( iCurrentCmd )
+        {
+        iCurrentCmd->LogError( aError );
+        delete iCurrentCmd;
+        iCurrentCmd = NULL;
+        }
+
+    ERROR( aError, "CCFAsyncCmdQueue::RunError - Ignoring the error" );
+
+    Activate();
+
+    return KErrNone; // Ignore errors.
+    }
+
+// -----------------------------------------------------------------------------
+// CCFAsyncCmdQueue::Activate
+// -----------------------------------------------------------------------------
+//
+void CCFAsyncCmdQueue::Activate()
+    {
+    FUNC_LOG;
+
+    if ( !IsActive() && !iQueue.IsEmpty() )
+        {
+        iStatus = KRequestPending;
+        SetActive();
+        TRequestStatus* status = &iStatus;
+        User::RequestComplete( status, KErrNone );
+        }
+    }
+
+// End of file