author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 08:34:51 +0300 | |
changeset 47 | 63cf70d3ecd8 |
parent 18 | 1b39655331a3 |
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 <mdesession.h> |
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#include <mdeconstants.h> |
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#include <mdequery.h> |
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#include <centralrepository.h> |
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#include <mtp/mmtpdataproviderframework.h> |
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#include <mtp/mmtpobjectmgr.h> |
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#include <mtp/cmtpobjectmetadata.h> |
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#include <mtp/tmtptypeevent.h> |
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#include "mtpdebug.h" |
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#include "mtpimagedpconst.h" |
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#include "cmtpimagedpmdeobserver.h" |
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#include "cmtpimagedp.h" |
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#include "cmtpimagedpobjectpropertymgr.h" |
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#include "mtpimagedputilits.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "cmtpimagedpmdeobserverTraces.h" |
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#endif |
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CMTPImageDpMdeObserver* CMTPImageDpMdeObserver::NewL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider) |
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{ |
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CMTPImageDpMdeObserver* self = new (ELeave) CMTPImageDpMdeObserver(aFramework, 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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// Constructor |
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// -------------------------------------------------------------------------- |
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// |
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CMTPImageDpMdeObserver::CMTPImageDpMdeObserver(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider) : |
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iFramework(aFramework), |
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iDataProvider(aDataProvider), |
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iSubscribed(EFalse) |
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{ |
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} |
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void CMTPImageDpMdeObserver::ConstructL() |
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{ |
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OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_CONSTRUCTL_ENTRY ); |
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OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_CONSTRUCTL_EXIT ); |
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} |
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CMTPImageDpMdeObserver::~CMTPImageDpMdeObserver() |
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{ |
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OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_CMTPIMAGEDPMDEOBSERVER_ENTRY ); |
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OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_CMTPIMAGEDPMDEOBSERVER_EXIT ); |
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} |
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void CMTPImageDpMdeObserver::CreateMetadataL(const TParsePtrC& aParse, TMTPFormatCode aFormat, TUint32 aParentHandle, CMTPObjectMetaData& aMetaData) |
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{ |
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TInt32 storageId = MTPImageDpUtilits::FindStorage(iFramework, aParse.FullName()); |
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OstTraceExt1( TRACE_NORMAL, CMTPIMAGEDPMDEOBSERVER_CREATEMETADATAL, "Addition - New Image:%S", aParse.FullName() ); |
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aMetaData.SetUint(CMTPObjectMetaData::EDataProviderId, iFramework.DataProviderId()); |
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aMetaData.SetUint(CMTPObjectMetaData::EFormatCode, aFormat); |
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aMetaData.SetUint(CMTPObjectMetaData::EStorageId, storageId); |
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aMetaData.SetDesCL(CMTPObjectMetaData::ESuid, aParse.FullName()); |
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aMetaData.SetUint(CMTPObjectMetaData::EParentHandle, aParentHandle); |
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aMetaData.SetDesCL(CMTPObjectMetaData::EName, aParse.Name()); |
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//Increate the new pictures variable |
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++iNewPics; |
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} |
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void CMTPImageDpMdeObserver::ProcessMdeNotificationL(const RArray<TItemId>& aObjectIdArray, TObserverNotificationType /*aType*/) |
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{ |
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OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL_ENTRY ); |
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//Because image dp only subscribe add notification from MdS, only the add notifictions can reach here |
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//we ignore checking ENotifyAdd notification type to reduce complexity. |
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CMdESession& mdeSession = iDataProvider.PropertyMgr().MdeSession(); |
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CMdENamespaceDef& defaultNamespaceDef = mdeSession.GetDefaultNamespaceDefL(); |
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CMdEObjectDef& imageObjDef = defaultNamespaceDef.GetObjectDefL(MdeConstants::Image::KImageObject); |
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100 |
|
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TInt objectCount = aObjectIdArray.Count(); |
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for (TInt i(0); i < objectCount; ++i) |
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103 |
{ |
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CMdEObject* mdeObject = mdeSession.GetObjectL(aObjectIdArray[i], imageObjDef); |
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if (mdeObject == NULL) |
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106 |
{ |
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107 |
continue; |
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108 |
} |
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CleanupStack::PushL(mdeObject); |
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110 |
OstTraceExt2( TRACE_NORMAL, CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL, |
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111 |
"Addition - ObjectId:%u, URI:%S", aObjectIdArray[i], mdeObject->Uri()); |
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112 |
|
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113 |
//filter out all image files other jpeg files |
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TParsePtrC parse(mdeObject->Uri()); |
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TMTPFormatCode format = iDataProvider.FindFormat(parse.Ext().Mid(1)); |
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if (format != EMTPFormatCodeUndefined) |
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117 |
{ |
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118 |
TUint32 handle = iFramework.ObjectMgr().HandleL(mdeObject->Uri()); |
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119 |
if (handle == KMTPHandleNone) |
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120 |
{ |
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121 |
/** |
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122 |
* Try to find parent handle of new image file |
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123 |
* if we can't find parent handle we should issue a notification to framework, let framework to enumerate new folder if need |
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124 |
*/ |
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125 |
TUint32 parentHandle = MTPImageDpUtilits::FindParentHandleL(iFramework, iDataProvider, parse.FullName()); |
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if (parentHandle == KMTPHandleNone) |
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127 |
{ |
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128 |
OstTraceExt1( TRACE_NORMAL, DUP1_CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL, "Notify framework - URI:%S", mdeObject->Uri() ); |
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129 |
TMTPNotificationParamsFolderChange param = {mdeObject->Uri()}; |
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iFramework.NotifyFrameworkL(EMTPAddFolder, ¶m); |
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131 |
|
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132 |
//try to get parent handle if framework complete it's tasks |
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133 |
parentHandle = MTPImageDpUtilits::FindParentHandleL(iFramework, iDataProvider, parse.FullName()); |
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OstTrace1( TRACE_NORMAL, DUP2_CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL, "Framework enumeration parent handle:%u", parentHandle ); |
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135 |
} |
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136 |
|
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137 |
if (parentHandle != KMTPHandleNone) |
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138 |
{ |
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139 |
CMTPObjectMetaData* object = CMTPObjectMetaData::NewLC(); |
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140 |
CreateMetadataL(parse, format, parentHandle, *object); |
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141 |
iFramework.ObjectMgr().InsertObjectL(*object); |
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OstTrace1( TRACE_NORMAL, DUP3_CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL, |
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143 |
"Addition - New Handle:%u", object->Uint(CMTPObjectMetaData::EHandle) ); |
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144 |
|
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145 |
TMTPTypeEvent event; |
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146 |
event.SetUint16(TMTPTypeEvent::EEventCode, EMTPEventCodeObjectAdded); |
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147 |
event.SetUint32(TMTPTypeEvent::EEventSessionID, KMTPSessionAll); |
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148 |
event.SetUint32(TMTPTypeEvent::EEventTransactionID, KMTPTransactionIdNone); |
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149 |
|
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150 |
TUint32 handle = object->Uint(CMTPObjectMetaData::EHandle); |
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151 |
event.SetUint32(TMTPTypeEvent::EEventParameter1, handle); |
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152 |
iFramework.SendEventL(event); |
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153 |
OstTrace1( TRACE_NORMAL, DUP4_CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL, |
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|
154 |
"ProcessMdeNotificationL - EMTPEventCodeObjectAdd, object handle:%u", handle ); |
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155 |
|
17
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156 |
CleanupStack::PopAndDestroy(object);//object |
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157 |
} |
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158 |
} |
0
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159 |
} |
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|
160 |
|
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|
161 |
CleanupStack::PopAndDestroy(mdeObject);//mdeObject |
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162 |
} |
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|
163 |
|
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164 |
OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_PROCESSMDENOTIFICATIONL_EXIT ); |
0
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165 |
} |
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|
166 |
|
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167 |
/* |
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168 |
* After receiving object change notification, check if there is any dp subscribed right now. |
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|
169 |
* if none, store change into database |
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170 |
* if yes, check the type of file with subscribed providers, if there is any match, just forward |
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171 |
* the change to that dp, if none, store change into database. |
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172 |
*/ |
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173 |
void CMTPImageDpMdeObserver::HandleObjectNotification(CMdESession& aSession, |
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174 |
TObserverNotificationType aType, |
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175 |
const RArray<TItemId>& aObjectIdArray) |
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176 |
{ |
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177 |
TRAP_IGNORE(HandleObjectNotificationL(aSession, aType, aObjectIdArray)); |
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178 |
} |
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179 |
|
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180 |
/* |
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181 |
* L Function |
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182 |
*/ |
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183 |
void CMTPImageDpMdeObserver::HandleObjectNotificationL(CMdESession& /*aSession*/, |
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184 |
TObserverNotificationType aType, |
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185 |
const RArray<TItemId>& aObjectIdArray) |
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186 |
{ |
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187 |
OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_HANDLEOBJECTNOTIFICATIONL_ENTRY ); |
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188 |
OstTrace1( TRACE_NORMAL, CMTPIMAGEDPMDEOBSERVER_HANDLEOBJECTNOTIFICATIONL, "changeType = %d", aType ); |
0
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189 |
|
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190 |
ProcessMdeNotificationL(aObjectIdArray, aType); |
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191 |
|
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192 |
//Update RProperty to notify the subscribers. |
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193 |
if (iNewPics > 0) |
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194 |
{ |
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OstTrace1( TRACE_NORMAL, DUP1_CMTPIMAGEDPMDEOBSERVER_HANDLEOBJECTNOTIFICATIONL, "CMTPImageDpMdeObserver::CMTPImageDpMdeObserver - New Pics: %u", iNewPics ); |
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iDataProvider.IncreaseNewPictures(iNewPics); |
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iNewPics = 0; |
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} |
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OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_HANDLEOBJECTNOTIFICATIONL_EXIT ); |
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} |
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/* |
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* Subscribe MdS notifications |
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*/ |
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void CMTPImageDpMdeObserver::SubscribeForChangeNotificationL() |
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{ |
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OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_SUBSCRIBEFORCHANGENOTIFICATIONL_ENTRY ); |
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if (!iSubscribed) |
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{ |
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CMdESession& mdeSession = iDataProvider.PropertyMgr().MdeSession(); |
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CMdENamespaceDef& def = mdeSession.GetDefaultNamespaceDefL(); |
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CMdEObjectDef& imageObjDef = def.GetObjectDefL(MdeConstants::Image::KImageObject); |
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//Only subscribe add observer |
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CMdELogicCondition* addCondition = CMdELogicCondition::NewLC(ELogicConditionOperatorAnd); |
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addCondition->AddObjectConditionL(imageObjDef); |
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mdeSession.AddObjectObserverL(*this, addCondition, ENotifyAdd); |
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CleanupStack::Pop(addCondition); |
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iSubscribed = ETrue; |
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} |
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OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_SUBSCRIBEFORCHANGENOTIFICATIONL_EXIT ); |
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} |
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/* |
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* Unsubscribe MdS notifications |
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*/ |
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void CMTPImageDpMdeObserver::UnsubscribeForChangeNotificationL() |
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{ |
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OstTraceFunctionEntry0( CMTPIMAGEDPMDEOBSERVER_UNSUBSCRIBEFORCHANGENOTIFICATIONL_ENTRY ); |
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if (iSubscribed) |
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{ |
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CMdESession& mdeSession = iDataProvider.PropertyMgr().MdeSession(); |
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mdeSession.RemoveObjectObserverL(*this);//add observer |
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iSubscribed = EFalse; |
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} |
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OstTraceFunctionExit0( CMTPIMAGEDPMDEOBSERVER_UNSUBSCRIBEFORCHANGENOTIFICATIONL_EXIT ); |
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} |