camerauis/cameraxui/cxengine/src/cxeharvestercontrolsymbian.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:51:30 +0300
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/*
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* Copyright (c) 2009 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:
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*
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*/
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#include <QString>
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#include "cxeerrormappingsymbian.h"
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#include "cxutils.h"
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#include "cxeharvestercontrolsymbian.h"
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/*!
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* CxeHarvesterControlSymbian::CxeHarvesterControlSymbian
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*/
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CxeHarvesterControlSymbian::CxeHarvesterControlSymbian()
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: mHarvesterClientConnected(false),
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  mRegisteredForHarvesterEvents(false)
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{
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    CX_DEBUG_IN_FUNCTION();
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}
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/*!
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* CxeHarvesterControlSymbian::~CxeHarvesterControlSymbian
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*/
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CxeHarvesterControlSymbian::~CxeHarvesterControlSymbian()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    deRegisterHarverterClientEvents();
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    if (mHarvesterClientConnected) {
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        mHarvesterClient.Close();
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Calls MDS (Meta data system) harvester client to "harvest" files to
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* specific album and also to default "captured" album in photos.
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*/
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CxeError::Id CxeHarvesterControlSymbian::harvestFile(const QString& filename,
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                                                     bool addLocation,
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                                                     quint32 albumId)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    TInt err = KErrNone;
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    RArray<TUint32> harvestAlbumIds;
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    if (albumId > 0) {
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       err = harvestAlbumIds.Append(albumId);
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    }
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    if (!mHarvesterClientConnected) {
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        err = mHarvesterClient.Connect();
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        if (!err) {
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            mHarvesterClientConnected = true;
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        }
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    }
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    if (KErrNone == err) {
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        registerForHarvesterEvents();
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        TPtrC16 harvestFilename(reinterpret_cast<const TUint16*>(filename.utf16()));
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        mHarvesterClient.HarvestFile(harvestFilename,
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                                     harvestAlbumIds,
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                                     addLocation);
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    }
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    harvestAlbumIds.Close();
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    CX_DEBUG_EXIT_FUNCTION();
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    return CxeErrorHandlingSymbian::map(err);
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}
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/*!
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* Call back method, which informs client about harvest complete events from MDS
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* harvester client
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*/
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void CxeHarvesterControlSymbian::HarvestingComplete(TDesC& aURI ,TInt aError)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    QString uri = QString::fromUtf16(aURI.Ptr(),aURI.Length());
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    CX_DEBUG(("Harvesting completed! error = %d, filename = %s", aError,
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                                                                 uri.toAscii().constData()));
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    // update the clients about the harvest complete event
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    emit fileHarvested(CxeErrorHandlingSymbian::map(aError), uri);
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Helper method to de-register for harvester events
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*/
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void CxeHarvesterControlSymbian::deRegisterHarverterClientEvents()
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{
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    if (mRegisteredForHarvesterEvents && mHarvesterClientConnected) {
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        mHarvesterClient.RemoveObserver(this);
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        mRegisteredForHarvesterEvents = false;
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    }
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}
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/*!
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* Helper method to register for harvester events
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*/
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void CxeHarvesterControlSymbian::registerForHarvesterEvents()
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{
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    if ( !mRegisteredForHarvesterEvents && mHarvesterClientConnected) {
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        mHarvesterClient.SetObserver(this);
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        mRegisteredForHarvesterEvents = true;
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    }
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}