author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:03:15 +0300 | |
branch | RCL_3 |
changeset 42 | 0aa8cc770c8a |
parent 11 | 4843bb5893b6 |
child 43 | 4a793f564d72 |
child 47 | 63cf70d3ecd8 |
permissions | -rw-r--r-- |
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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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@file |
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@internalTechnology |
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*/ |
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#include <bautils.h> // FileExists |
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#include <mtp/cmtpobjectmetadata.h> |
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#include <mtp/mmtpdataproviderframework.h> |
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#include <mtp/cmtptypeopaquedata.h> |
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#include <thumbnailmanager.h> |
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#include "cmtpimagedpgetthumb.h" |
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#include "mtpimagedppanic.h" |
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#include "mtpimagedputilits.h" |
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#include "cmtpimagedpthumbnailcreator.h" |
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#include "cmtpimagedpobjectpropertymgr.h" |
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#include "cmtpimagedp.h" |
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// Class constants. |
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__FLOG_STMT(_LIT8(KComponent,"ImageDpGetThumb");) |
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/** |
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Two-phase construction method |
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@param aPlugin The data provider plugin |
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@param aFramework The data provider framework |
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@param aConnection The connection from which the request comes |
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@return a pointer to the created request processor object |
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*/ |
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MMTPRequestProcessor* CMTPImageDpGetThumb::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider) |
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{ |
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CMTPImageDpGetThumb* self = new (ELeave) CMTPImageDpGetThumb(aFramework, aConnection,aDataProvider); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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/** |
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Destructor |
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*/ |
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CMTPImageDpGetThumb::~CMTPImageDpGetThumb() |
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{ |
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__FLOG(_L8(">> CMTPImageDpGetThumb::~CMTPImageDpGetThumb")); |
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delete iThumb; |
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delete iObjectMeta; |
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__FLOG(_L8("<< CMTPImageDpGetThumb::~CMTPImageDpGetThumb")); |
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__FLOG_CLOSE; |
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} |
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/** |
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Standard c++ constructor |
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*/ |
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CMTPImageDpGetThumb::CMTPImageDpGetThumb(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider) : |
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CMTPRequestProcessor(aFramework, aConnection, 0, NULL),imgDp(aDataProvider) |
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{ |
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} |
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/** |
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Second-phase constructor. |
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*/ |
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void CMTPImageDpGetThumb::ConstructL() |
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{ |
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__FLOG_OPEN(KMTPSubsystem, KComponent); |
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__FLOG(_L8("CMTPImageDpGetThumb::ConstructL")); |
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iThumb = CMTPTypeOpaqueData::NewL(); |
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iObjectMeta = CMTPObjectMetaData::NewL(); |
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__FLOG(_L8("CMTPImageDpGetThumb::ConstructL")); |
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} |
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TMTPResponseCode CMTPImageDpGetThumb::CheckRequestL() |
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{ |
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__FLOG(_L8(">> CMTPImageDpGetThumb::CheckRequestL")); |
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TMTPResponseCode result = MTPImageDpUtilits::VerifyObjectHandleL(iFramework, Request().Uint32(TMTPTypeRequest::ERequestParameter1), *iObjectMeta); |
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__FLOG(_L8("<< CMTPImageDpGetThumb::CheckRequestL")); |
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return result; |
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} |
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/** |
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GetObject request handler |
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*/ |
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void CMTPImageDpGetThumb::ServiceL() |
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{ |
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__FLOG(_L8(">> CMTPImageDpGetThumb::ServiceL")); |
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TInt err = KErrNone; |
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//at first, try to query thumbnail from property manager |
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HBufC8* thumbnailData = imgDp.PropertyMgr().Thumbnail(iObjectMeta->Uint(CMTPObjectMetaData::EHandle)); |
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if (thumbnailData == NULL) |
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{ |
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__FLOG(_L8("CMTPImageDpGetThumb::ServiceL- fail to query thumbnail from cache")); |
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TEntry fileEntry; |
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User::LeaveIfError(iFramework.Fs().Entry(iObjectMeta->DesC(CMTPObjectMetaData::ESuid), fileEntry)); |
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CMTPImageDpThumbnailCreator* tnc = imgDp.ThumbnailManager(); |
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if(tnc != NULL) |
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{ |
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tnc->GetThumbMgr()->SetFlagsL(CThumbnailManager::EDefaultFlags); |
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if(fileEntry.FileSize() > KFileSizeMax) |
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{ |
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__FLOG(_L8(">> CMTPImageDpGetThumb::ServiceL, fileEntry.FileSize() > KFileSizeMax")); |
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tnc->GetThumbMgr()->SetFlagsL(CThumbnailManager::EDoNotCreate); |
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} |
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tnc->GetThumbnailL(iObjectMeta->DesC(CMTPObjectMetaData::ESuid), thumbnailData, err); |
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imgDp.PropertyMgr().StoreThunmnail(iObjectMeta->Uint(CMTPObjectMetaData::EHandle), thumbnailData); |
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} |
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//Transfer ownership of thumbnailData to Property Manager |
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} |
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if(thumbnailData != NULL) |
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{ |
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iThumb->Write(*thumbnailData); |
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} |
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SendDataL(*iThumb); |
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__FLOG(_L8("<< CMTPImageDpGetThumb::ServiceL")); |
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} |
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TBool CMTPImageDpGetThumb::DoHandleCompletingPhaseL() |
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{ |
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return CMTPRequestProcessor::DoHandleCompletingPhaseL(); |
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} |
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// End Of File |