author | hgs |
Fri, 03 Sep 2010 18:38:04 +0800 | |
changeset 49 | c20dd21d1eb4 |
parent 0 | d0791faffa3f |
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// Copyright (c) 2006-2009 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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@publishedPartner |
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@released |
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*/ |
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#ifndef MMTPOBJECTMGR_H |
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#define MMTPOBJECTMGR_H |
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#include <badesca.h> |
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#include <e32cmn.h> |
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#include <e32def.h> |
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#include <mtp/mtpobjectmgrquerytypes.h> |
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#include <mtp/tmtptypeuint128.h> |
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|
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class CMTPObjectMetaData; |
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class CMTPTypeArray; |
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class TMTPTypeUint32; |
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/** |
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Defines the MTP data provider framework object store enumeration manager |
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interface. |
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@publishedPartner |
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@released |
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*/ |
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class MMTPObjectMgr |
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{ |
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public: |
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/** |
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Provides a count of the number of object meta data records present |
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in the MTP data object enumeration store. This query can be targeted |
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at specific storage media and/or object data formats, or can be used |
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to query all MTP data objects on the device. |
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@param aParams The query parameters. |
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@return A count of the number of object meta data records. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TUint CountL(const TMTPObjectMgrQueryParams& aParams) const = 0; |
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/** |
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Commits into MTP data object enumeration store the object handle and |
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storage space previously reserved for the specified object. This is |
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typically used when either an MTP SendObjectInfo/SendObject, or |
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SendObjectPropList/SendObject operation sequence has completed |
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successfully. |
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@param aObject The MTP data object information record to be commited. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@see ReserveObjectHandleL |
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*/ |
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virtual void CommitReservedObjectHandleL(CMTPObjectMetaData& aObject) = 0; |
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/** |
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Provides an array of object handles present in the MTP data object |
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enumeration store. This query can be targeted at specific storage media |
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and/or object data formats, or can be used to query all MTP data objects |
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on the device. |
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Depending on the query parameter specified, this query may incur significant |
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RAM consumption, and so is intended to be called repeatedly in order to |
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retrieve all matching SUID data. On completion, @see aContext can be used |
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to determine if there is more data to be retrieved. |
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If there are no object handles which match the specified parameters then a |
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zero length SUID array is provided. |
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|
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@param aParams The query parameters. |
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@param aContext The query context data. On completion this data indicates |
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if there are additional object handle data to retrieve. |
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@param aHandles The MTP object handles array buffer to be populated. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void GetObjectHandlesL(const TMTPObjectMgrQueryParams& aParams, RMTPObjectMgrQueryContext& aContext, RArray<TUint>& aHandles) const = 0; |
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/** |
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Provides an array of object SUIDs present in the MTP data object |
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enumeration store. This query can be targeted at specific storage media |
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and/or object data formats, or can be used to query all MTP data objects |
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on the device. |
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Depending on the query parameter specified, this query may incur significant |
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RAM consumption, and so is intended to be called repeatedly in order to |
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retrieve all matching object SUID data. On completion, @see aContext can be used |
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to determine if there is more data to be retrieved. |
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If there are no object handles which match the specified parameters then a |
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103 |
zero length SUID array is provided. |
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104 |
|
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@param aParams The query parameters. |
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@param aContext The query context data. On completion this data indicates |
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if there are additional SUID data to retrieve. |
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@param aSuids The object SUIDs array buffer to be populated. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void GetObjectSuidsL(const TMTPObjectMgrQueryParams& aParams, RMTPObjectMgrQueryContext& aContext, CDesCArray& aSuids) const = 0; |
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112 |
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113 |
|
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114 |
|
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115 |
/** |
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116 |
Provides the MTP object handle of the object with the specified specified |
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System Unique Identifier (SUID). |
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@param aSuid The object SUID. |
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@return The MTP object handle. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TUint32 HandleL(const TDesC& aSuid) const = 0; |
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123 |
|
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124 |
/** |
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125 |
Inserts a single object information record into the MTP data object |
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enumeration store. A unique MTP object handle is assigned to the |
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data object. |
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@param aObject The MTP data object information record to be inserted. |
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@leave KErrAlreadyExists, if an object with the specified MTP object SUID |
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already exists in the MTP data object enumeration store. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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132 |
*/ |
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virtual void InsertObjectL(CMTPObjectMetaData& aObject) = 0; |
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134 |
|
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135 |
/** |
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136 |
Inserts multiple object meta data records in the MTP data object |
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137 |
enumeration store. A unique MTP object handle is assigned to each of the |
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data objects. |
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@param aObjects The MTP data object meta data records to be inserted. |
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@leave KErrAlreadyExists, if an object with the one of the specified MTP |
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141 |
object SUIDs already exists in the MTP data object enumeration store. |
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142 |
already exists in the MTP data object enumeration store. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void InsertObjectsL(RPointerArray<CMTPObjectMetaData>& aObjects) = 0; |
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146 |
|
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147 |
/** |
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148 |
Modifies the specified MTP data object's object information record. |
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@param aObject The modified MTP data object information record values. |
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*/ |
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virtual void ModifyObjectL(const CMTPObjectMetaData& aObject) = 0; |
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152 |
|
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/** |
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154 |
Provides either the object information record associated with the |
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associated MTP object handle, or provides an indication that the specified |
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object handle does not exist. |
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@param aHandle The MTP object handle associated with the object information |
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record to be provided. |
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@param aObject On exit, the object information record of the requested object. |
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@return ETrue if the specified object handle exists, otherwise EFalse. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TBool ObjectL(const TMTPTypeUint32& aHandle, CMTPObjectMetaData& aObject) const = 0; |
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164 |
|
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165 |
/** |
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166 |
Provides the object information record associated with the associated MTP |
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object SUID, or provides an indication that the specified object handle |
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does not exist. |
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@param aSuid The MTP object SUID associated with the object information |
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record to be provided. |
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@param aObject On exit, the object information record of the requested object. |
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@return ETrue if the specified object handle exists, otherwise EFalse. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TBool ObjectL(const TDesC& aSuid, CMTPObjectMetaData& aObject) const = 0; |
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176 |
|
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177 |
|
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/** |
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Provides the ID of the data provider responsible for the specified MTP |
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data object. |
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@param aHandle The MTP object handle. |
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@return The responsible data provider ID. |
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*/ |
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virtual TUint ObjectOwnerId(const TMTPTypeUint32& aHandle) const = 0; |
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|
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|
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188 |
/** |
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189 |
Provides the Persistent Unique Identifier (PUID) of the object with the |
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specified MTP object handle. |
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@param aHandle The MTP object handle. |
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@return The object PUID. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TMTPTypeUint128 PuidL(TUint32 aHandle) const = 0; |
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|
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/** |
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Provides the Persistent Unique Identifier (PUID) of the object with the |
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specified internal object unique ID. |
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@param aObjectUid The internal object unique ID. |
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@return The object PUID. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TMTPTypeUint128 PuidL(TInt64 aObjectUid) const = 0; |
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/** |
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Provides the Persistent Unique Identifier (PUID) of the object with the |
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specified System Unique Identifier (SUID). |
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@param aSuid The object SUID. |
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@return The object PUID. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual TMTPTypeUint128 PuidL(const TDesC& aSuid) const = 0; |
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/** |
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Removes the object information record associated with the specified MTP |
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object handle from the MTP data object enumeration store. |
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@param aHandle The MTP object handle associated with the object information |
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record to be removed. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void RemoveObjectL(const TMTPTypeUint32& aHandle) = 0; |
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|
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/** |
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Removes the object information record associated with the specified object |
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SUID from the MTP data object enumeration store. |
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@param aSuid The object SUID associated with the object information |
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record to be removed. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void RemoveObjectL(const TDesC& aSuid) = 0; |
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|
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/** |
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Removes multiple object meta data records from the MTP data object |
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enumeration store. |
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@param aSuids The array of object SUIDs associated with the object |
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meta data records to be removed. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void RemoveObjectsL(const CDesCArray& aSuids) = 0; |
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|
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/** |
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Removes from the MTP data object enumeration store all object meta data |
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records owned by the specified data provider. |
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@param aDataProviderId The ID of the data provider owning the object |
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meta data records to be deleted. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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*/ |
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virtual void RemoveObjectsL(TUint aDataProviderId) = 0; |
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|
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/** |
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Reserves space for and assigns an object handle to the object described |
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by the specified object information record. This is typically used when |
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processing MTP SendObjectInfo or SendObjectPropList operations. |
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@param aObject The object information record of the object. On |
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successful completion this is updated with the assigned object handle. |
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@param aSpaceRequired The storage space to be reserved for the object. |
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@leave KErrTooBig, if aSpaceRequired exceeds the available capacity of the |
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storage. |
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@leave KErrOverflow, if an object handle cannot be assigned. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@see CommitReservedObjectL |
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@see UnReserveObjectHandleL |
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*/ |
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virtual void ReserveObjectHandleL(CMTPObjectMetaData& aObject, TUint64 aSpaceRequired) = 0; |
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|
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/** |
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Releases the object handle and storage space previously reserved for the |
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specified object. This is typically used when either an MTP |
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SendObjectInfo/SendObject, or SendObjectPropList/SendObject operation |
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sequence has not completed successfully. |
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@param aObject The MTP data object information record of the object. |
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@leave One of the system wide error codes, if a processing failure occurs. |
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@see ReserveObjectHandleL |
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*/ |
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virtual void UnreserveObjectHandleL(const CMTPObjectMetaData& aObject) = 0; |
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/** |
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Get MtpDeltaDataMgr |
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*/ |
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virtual TAny* MtpDeltaDataMgr() |
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{ |
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return NULL; |
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}; |
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}; |
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|
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#endif // MMTPOBJECTMGR_H |