author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:46:41 +0200 | |
branch | RCL_3 |
changeset 11 | 4843bb5893b6 |
parent 0 | d0791faffa3f |
child 19 | ef55b168cedb |
child 22 | a5c0bb5018eb |
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 <f32file.h> |
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#include <centralrepository.h> |
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#include <mtp/mmtpdataproviderframework.h> |
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#include <mtp/cmtpobjectmetadata.h> |
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#include <mtp/mmtpstoragemgr.h> |
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#include <mtp/mmtpobjectmgr.h> |
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#include "mtpimagedpconst.h" |
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#include "mtpimagedputilits.h" |
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#include "cmtpimagedp.h" |
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/* |
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* The most significant bit represents whether the image object has been imported. |
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* 0 means does not be imported |
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* 1 means has been imported |
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*/ |
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#define IMAGE_OBJECT_STATUS_BITMASK 0x8000 |
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/** |
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* The other left bits represent the thumbnail size of image object. |
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* The type of EFormatSubCode column is UINT16, so these bits are enought for thumbnail size. |
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* e.g. The image file of 57M bytes only has 2440 bytes of thumbnail. |
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*/ |
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#define IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK 0x7fff |
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TMTPResponseCode MTPImageDpUtilits::VerifyObjectHandleL(MMTPDataProviderFramework& aFramework, const TMTPTypeUint32& aHandle, CMTPObjectMetaData& aMetaData) |
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{ |
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if (!aFramework.ObjectMgr().ObjectL(aHandle, aMetaData)) |
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{ |
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return EMTPRespCodeInvalidObjectHandle; |
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} |
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return EMTPRespCodeOK; |
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} |
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TInt32 MTPImageDpUtilits::FindStorage(MMTPDataProviderFramework& aFramework, const TDesC& aPath) |
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{ |
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TParsePtrC parse(aPath); |
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TPtrC drive(parse.Drive()); |
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TInt driveNumber; |
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aFramework.Fs().CharToDrive(drive[0], driveNumber); |
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return aFramework.StorageMgr().FrameworkStorageId(static_cast<TDriveNumber>(driveNumber)); |
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} |
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TUint32 MTPImageDpUtilits::FindParentHandleL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider, const TDesC& aFullPath) |
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{ |
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TUint32 parentHandle = KMTPHandleNoParent; |
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TParsePtrC parse(aFullPath); |
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if(!parse.IsRoot()) |
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{ |
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if (!aDataProvider.GetCacheParentHandle(parse.DriveAndPath(), parentHandle)) |
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{ |
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parentHandle = aFramework.ObjectMgr().HandleL(parse.DriveAndPath()); |
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if (parentHandle != KMTPHandleNone) |
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{ |
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aDataProvider.SetCacheParentHandle(parse.DriveAndPath(), parentHandle); |
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} |
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} |
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} |
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return parentHandle; |
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} |
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TBool MTPImageDpUtilits::IsNewPicture(const CMTPObjectMetaData& aMetadata) |
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{ |
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/** |
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* we use EFormatSubCode column to save sentinel whether this object has been imported by PC |
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* |
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*/ |
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return ((aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) & IMAGE_OBJECT_STATUS_BITMASK) == 0); |
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} |
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void MTPImageDpUtilits::UpdateObjectStatusToOldL(MMTPDataProviderFramework& aFramework, CMTPObjectMetaData& aMetadata) |
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{ |
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TInt status = aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) | IMAGE_OBJECT_STATUS_BITMASK; |
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aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, status); |
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aFramework.ObjectMgr().ModifyObjectL(aMetadata); |
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} |
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TInt MTPImageDpUtilits::GetThumbnailSize(const CMTPObjectMetaData& aMetadata) |
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{ |
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/** |
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* query thumbnail size from EFormatSubCode column |
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*/ |
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return (aMetadata.Uint(CMTPObjectMetaData::EFormatSubCode) & IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK); |
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} |
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void MTPImageDpUtilits::UpdateObjectThumbnailSizeL(MMTPDataProviderFramework& aFramework, CMTPObjectMetaData& aMetadata, TInt aThumbnailSize) |
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{ |
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//check thumbnail size whether it is overflow |
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if (aThumbnailSize <= IMAGE_OBJECT_THUMBNAIL_SIZE_BITMASK) |
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{ |
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TBool newPic = MTPImageDpUtilits::IsNewPicture(aMetadata); |
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if (newPic) |
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{ |
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aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, aThumbnailSize); |
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} |
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else |
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{ |
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aThumbnailSize |= IMAGE_OBJECT_STATUS_BITMASK; |
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aMetadata.SetUint(CMTPObjectMetaData::EFormatSubCode, aThumbnailSize); |
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} |
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aFramework.ObjectMgr().ModifyObjectL(aMetadata); |
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} |
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} |