--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/composerplugins/imagecomposer/src/imagepresentobserver.cpp Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,235 @@
+/*
+* Copyright (c) 2006-2009 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: image composer listener for setting pending image objects present
+*
+*/
+
+
+#include "imagepresentobserver.h"
+#include "harvesterlog.h"
+#include "mdeconstants.h"
+#include "composerimageplugin.h"
+#include "mdcserializationbuffer.h"
+#include "mdsutils.h"
+#include "harvestercommon.h"
+
+using namespace MdeConstants;
+
+const TInt KBatchSize = 100;
+
+CImagePresentObserver::CImagePresentObserver() :
+ CActive( KHarvesterPriorityComposerPlugin ),
+ iDefaultNamespace( NULL ),
+ iSession( NULL ),
+ iMdEHarvesterSession( NULL ),
+ iComposer( NULL ),
+ iPendingPckWrapper( NULL ),
+ iNextRequest( ERequestIdle ),
+ iPendingCount( 0 ),
+ iPendingBuffer( NULL ),
+ iStarted( EFalse )
+ {
+ // No implementation required
+ }
+
+CImagePresentObserver::~CImagePresentObserver()
+ {
+ if( iSession )
+ {
+ TRAP_IGNORE( iSession->RemoveObjectPresentObserverL( *this ) );
+ }
+
+ CleanUp();
+ }
+
+CImagePresentObserver* CImagePresentObserver::NewL( CMdESession* aSession, CComposerImagePlugin* aComposer,
+ CMdEHarvesterSession* aMdEHarvesterSession )
+ {
+ WRITELOG( "CImagePresentObserver::NewL start" );
+ CImagePresentObserver* self = new (ELeave)CImagePresentObserver();
+ CleanupStack::PushL(self);
+ self->ConstructL( aSession, aComposer, aMdEHarvesterSession );
+ CleanupStack::Pop( self );
+ WRITELOG( "CImagePresentObserver::NewL end" );
+ return self;
+ }
+
+void CImagePresentObserver::ConstructL( CMdESession* aSession, CComposerImagePlugin* aComposer,
+ CMdEHarvesterSession* aMdEHarvesterSession )
+ {
+ WRITELOG( "CImagePresentObserver::ConstructL start" );
+ User::LeaveIfNull( iSession = aSession );
+ User::LeaveIfNull( iComposer = aComposer );
+
+ iDefaultNamespace = &iSession->GetDefaultNamespaceDefL();
+
+ iSession->AddObjectPresentObserverL( *this );
+ iMdEHarvesterSession = aMdEHarvesterSession;
+
+ iStarted = EFalse;
+
+ CActiveScheduler::Add( this );
+
+ WRITELOG( "CImagePresentObserver::ConstructL end" );
+ }
+
+
+void CImagePresentObserver::HandleObjectPresentNotification(CMdESession& /*aSession*/,
+ TBool aPresent, const RArray<TItemId>& aObjectIdArray)
+ {
+ if ( aPresent )
+ {
+ if ( !iStarted )
+ {
+ CMdEObjectDef* imageObjDef = NULL;
+ TRAP_IGNORE( imageObjDef = &iDefaultNamespace->GetObjectDefL(
+ MdeConstants::Image::KImageObject ));
+
+ iPendingCount = iMdEHarvesterSession->GetPendingCount( imageObjDef );
+ SetNextRequest( ERequestWaitPendingCount );
+ iStarted = ETrue;
+ }
+ TInt count = aObjectIdArray.Count();
+ for (TInt i = 0; i < count; i++ )
+ {
+ iPresentObjectIds.Append( aObjectIdArray[i] );
+ }
+ }
+ }
+
+
+void CImagePresentObserver::RunL()
+ {
+ switch ( iNextRequest )
+ {
+ case ERequestIdle:
+ {
+ if( iComposeObjectIds.Count() > 0 )
+ {
+ iComposer->HandlePendingObjects( iComposeObjectIds );
+ iComposeObjectIds.Reset();
+ }
+ iPendingObjectIds.Reset();
+ iPresentObjectIds.Reset();
+ delete iPendingBuffer;
+ iPendingBuffer = NULL;
+ iStarted = EFalse;
+ break;
+ }
+
+ case ERequestWaitPendingCount:
+ {
+ if ( iPendingCount > 0 )
+ {
+ CMdEObjectDef& imageObjDef = iDefaultNamespace->GetObjectDefL(
+ MdeConstants::Image::KImageObject );
+
+ iPendingBuffer = CMdCSerializationBuffer::NewL( iPendingCount *
+ sizeof(TItemId) );
+
+ const TInt result = iMdEHarvesterSession->GetPending( &imageObjDef,
+ iPendingCount, *iPendingBuffer );
+
+ SetNextRequest( ERequestWaitPending );
+ }
+ else
+ {
+ SetNextRequest( ERequestIdle );
+ }
+ break;
+ }
+
+ case ERequestWaitPending:
+ {
+ if ( iPendingBuffer )
+ {
+ DeserializeArrayL( iPendingBuffer->Buffer(), iPendingObjectIds );
+ }
+
+ SetNextRequest( ERequestProcess );
+ break;
+ }
+
+ case ERequestProcess:
+ {
+ if( iPresentObjectIds.Count() > 0 && iPendingObjectIds.Count() > 0 )
+ {
+ TItemId itemId = iPresentObjectIds[0];
+ iPresentObjectIds.Remove( 0 );
+
+ TInt found = iPendingObjectIds.Find( itemId );
+ if ( found != KErrNotFound )
+ {
+ iPendingObjectIds.Remove( found );
+ iComposeObjectIds.Append( itemId );
+ }
+ }
+ else
+ {
+ SetNextRequest( ERequestIdle );
+
+ iPendingObjectIds.Compress();
+ iPresentObjectIds.Compress();
+
+ break;
+ }
+
+ if( iComposeObjectIds.Count() > KBatchSize )
+ {
+ iComposer->HandlePendingObjects( iComposeObjectIds );
+ iComposeObjectIds.Reset();
+ }
+
+ SetNextRequest ( ERequestProcess );
+ break;
+ }
+ }
+ }
+
+void CImagePresentObserver::DoCancel()
+ {
+ }
+
+TInt CImagePresentObserver::RunError( TInt /*aError*/ )
+ {
+ return KErrNone;
+ }
+
+// ---------------------------------------------------------------------------
+// SetNextRequest
+// ---------------------------------------------------------------------------
+//
+void CImagePresentObserver::SetNextRequest( TRequest aRequest )
+ {
+ iNextRequest = aRequest;
+
+ if ( !IsActive() )
+ {
+ iStatus = KRequestPending;
+ SetActive();
+ TRequestStatus* ptrStatus = &iStatus;
+ User::RequestComplete( ptrStatus, KErrNone );
+ }
+ }
+
+
+void CImagePresentObserver::CleanUp()
+ {
+ iPendingObjectIds.Close();
+ iPresentObjectIds.Close();
+ iComposeObjectIds.Close();
+ delete iPendingBuffer;
+ iPendingBuffer = NULL;
+ }
+