diff -r 7fdc9a71d314 -r 8ad140f3dd41 hti/HtiFramework/src/HtiMessageQueue.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hti/HtiFramework/src/HtiMessageQueue.cpp Wed Oct 13 16:17:58 2010 +0300 @@ -0,0 +1,125 @@ +/* +* Copyright (c) 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: CHtiMessageQueue implementation +* +*/ + + +#include "HtiMessageQueue.h" + +CHtiMessageQueue* CHtiMessageQueue::NewL() + { + return new (ELeave) CHtiMessageQueue; + } + +CHtiMessageQueue::CHtiMessageQueue(): + iQueue( CHtiMessage::iLinkOffset ), + iMemoryAllocated( 0 ), + iQueueIter( iQueue ), + iIsFirst ( ETrue ) + { + } + +CHtiMessageQueue::~CHtiMessageQueue() + { + RemoveAll(); + } + +void CHtiMessageQueue::RemoveAll() + { + if ( !IsEmpty() ) + { + CHtiMessage* msg; + + iQueueIter.SetToFirst(); + while ( ( msg = iQueueIter++ ) != NULL ) + { + iQueue.Remove( *msg ); + delete msg; + } + } + iMemoryAllocated = 0; + } + +CHtiMessage* CHtiMessageQueue::Remove() + { + CHtiMessage* msg = NULL; + if ( !IsEmpty() ) + { + msg = iQueue.First(); + iQueue.Remove( *msg ); + iMemoryAllocated -= msg->Size(); + } + return msg; + } + +CHtiMessage* CHtiMessageQueue::Remove( CHtiMessage* aMsg) + { + if ( aMsg && !IsEmpty() ) + { + iQueue.Remove( *aMsg ); + iMemoryAllocated -= aMsg->Size(); + return aMsg; + } + return NULL; + } + +void CHtiMessageQueue::StartServiceIteration() + { + if ( !IsEmpty() ) + { + iQueueIter.SetToFirst(); + iIsFirst = ETrue; + } + } + +CHtiMessage* CHtiMessageQueue::GetNext() + { + CHtiMessage* msg = NULL; + if ( !IsEmpty() ) + { + while ( ( msg = iQueueIter++ ) != NULL ) + { + if ( iIsFirst ) + { + iIsFirst = EFalse; + iLastServiceUid = msg->DestinationServiceUid(); + return msg; + } + else if ( msg->DestinationServiceUid() != iLastServiceUid ) + { + iLastServiceUid = msg->DestinationServiceUid(); + return msg; + } + } + } + return msg; + } + + +void CHtiMessageQueue::Add( CHtiMessage& aMessage ) + { + iQueue.AddLast( aMessage ); + iMemoryAllocated += aMessage.Size(); + } + +TBool CHtiMessageQueue::IsEmpty() const + { + return iQueue.IsEmpty(); + } + +TInt CHtiMessageQueue::QueueSize() const + { + return iMemoryAllocated; + }