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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Active Idle Content Observer optimizer
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*
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*/
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#include "aicontentobserveroptimizer.h"
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CAiContentObserverOptimizer* CAiContentObserverOptimizer::NewL(MAiContentObserver& aObserver)
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{
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return new(ELeave) CAiContentObserverOptimizer( aObserver );
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}
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CAiContentObserverOptimizer::~CAiContentObserverOptimizer()
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{
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iBlackList.Close();
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}
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TInt CAiContentObserverOptimizer::StartTransaction( TInt aTxId )
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{
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TInt err = KErrAlreadyExists;
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if ( iTransactionStarted )
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{
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return err;
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}
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iCommitNeeded = EFalse;
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err = iObserver.StartTransaction( aTxId );
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if ( err == KErrNone )
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{
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iTransactionStarted = ETrue;
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}
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return err;
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}
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TInt CAiContentObserverOptimizer::Commit( TInt aTxId )
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{
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TInt err = KErrNotReady;
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if ( iTransactionStarted )
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{
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if ( iCommitNeeded )
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{
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iCommitNeeded = EFalse;
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err = iObserver.Commit( aTxId );
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}
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else
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{
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err = CancelTransaction( aTxId );
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}
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}
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iTransactionStarted = EFalse;
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return err;
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}
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TInt CAiContentObserverOptimizer::CancelTransaction( TInt aTxId )
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{
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TInt err = KErrNotReady;
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if ( iTransactionStarted )
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{
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err = iObserver.CancelTransaction( aTxId );
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}
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iTransactionStarted = EFalse;
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return err;
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}
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TBool CAiContentObserverOptimizer::CanPublish( CHsContentPublisher& aPlugin,
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TInt aContent,
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TInt aIndex )
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{
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return iObserver.CanPublish( aPlugin, aContent, aIndex );
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}
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TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin,
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TInt aContent,
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TInt aResource,
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TInt aIndex )
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{
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if ( IsInBlackList( aContent, aIndex ) )
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{
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return KErrNotFound;
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}
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TInt err = iObserver.Publish( aPlugin, aContent, aResource, aIndex );
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// Publish went through OK, we need to commit the transaction
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if ( err == KErrNone && iTransactionStarted )
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{
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iCommitNeeded = ETrue;
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}
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// publish failed because the ui declaration doesn't
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// include this content => add to black list and
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// don't try to publish again
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else if ( err == KErrNotFound || err == KErrNotSupported )
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{
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AddToBlackList( aContent, aIndex );
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}
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return err;
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}
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TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin,
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TInt aContent,
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const TDesC16& aText,
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TInt aIndex )
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{
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if ( IsInBlackList( aContent, aIndex ) )
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{
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return KErrNotFound;
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}
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TInt err = iObserver.Publish( aPlugin, aContent, aText, aIndex );
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// Publish went through OK, we need to commit the transaction
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if ( err == KErrNone && iTransactionStarted )
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{
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iCommitNeeded = ETrue;
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}
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// publish failed because the ui declaration doesn't
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// include this content => add to black list and
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// don't try to publish again
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else if ( err == KErrNotFound || err == KErrNotSupported )
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{
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AddToBlackList( aContent, aIndex );
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}
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return err;
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}
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TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin,
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TInt aContent,
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const TDesC8& aBuf,
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TInt aIndex )
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{
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if ( IsInBlackList( aContent, aIndex ) )
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{
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return KErrNotFound;
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}
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TInt err = iObserver.Publish( aPlugin, aContent, aBuf, aIndex );
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// Publish went through OK, we need to commit the transaction
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if ( err == KErrNone && iTransactionStarted )
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{
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iCommitNeeded = ETrue;
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}
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// publish failed because the ui declaration doesn't
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// include this content => add to black list and
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// don't try to publish again
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else if ( err == KErrNotFound || err == KErrNotSupported )
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{
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AddToBlackList( aContent, aIndex );
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}
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return err;
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}
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TInt CAiContentObserverOptimizer::Publish( CHsContentPublisher& aPlugin,
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TInt aContent,
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RFile& aFile,
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TInt aIndex )
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{
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if ( IsInBlackList( aContent, aIndex ) )
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{
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return KErrNotFound;
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}
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TInt err = iObserver.Publish( aPlugin, aContent, aFile, aIndex );
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// Publish went through OK, we need to commit the transaction
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if ( err == KErrNone && iTransactionStarted )
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{
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iCommitNeeded = ETrue;
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}
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// publish failed because the ui declaration doesn't
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// include this content => add to black list and
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// don't try to publish again
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else if ( err == KErrNotFound || err == KErrNotSupported )
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{
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AddToBlackList( aContent, aIndex );
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}
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return err;
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}
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TInt CAiContentObserverOptimizer::Clean( CHsContentPublisher& aPlugin,
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TInt aContent,
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TInt aIndex )
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{
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return iObserver.Clean( aPlugin, aContent, aIndex );
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}
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MAiContentObserver& CAiContentObserverOptimizer::Observer() const
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{
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return iObserver;
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}
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TInt CAiContentObserverOptimizer::AddToBlackList( TInt aContentId, TInt aIndex )
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{
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TInt err = KErrNone;
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if ( !IsInBlackList( aContentId, aIndex ) )
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{
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TAiPublishBlackList entry;
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entry.iContentId = aContentId;
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entry.iIndex = aIndex;
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err = iBlackList.Append( entry );
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}
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return err;
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}
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TBool CAiContentObserverOptimizer::IsInBlackList( TInt aContentId, TInt aIndex ) const
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{
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for (TInt i = 0; i < iBlackList.Count(); ++i )
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{
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if ( iBlackList[i].iContentId == aContentId &&
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iBlackList[i].iIndex == aIndex )
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{
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return ETrue;
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}
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}
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return EFalse;
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}
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void CAiContentObserverOptimizer::ClearBlackList()
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{
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iBlackList.Reset();
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}
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CAiContentObserverOptimizer::CAiContentObserverOptimizer(MAiContentObserver& aObserver):
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iObserver( aObserver )
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{
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}
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// end of file
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