1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: CMdEManager implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "cmdemanager.h" |
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20 #include <mdeconstants.h> |
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21 |
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22 #include <mmf\common\mmfcontrollerpluginresolver.h> |
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23 |
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24 #include "logger.h" |
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25 |
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26 // Warning: #940-D: missing return statement at end of non-void function |
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27 #pragma diag_remark 940 |
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28 |
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29 CMdEManager::CMdEManager( MMdEManagerObserver& aObserver ) : |
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30 iObserver(aObserver) |
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31 { |
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32 } |
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33 |
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34 |
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35 CMdEManager* CMdEManager::NewL( MMdEManagerObserver& aObserver ) |
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36 { |
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37 CMdEManager* self = new (ELeave) CMdEManager( aObserver ); |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop( self ); |
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41 return self; |
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42 } |
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43 |
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44 void CMdEManager::ConstructL() |
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45 { |
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46 TRACE_FUNC; |
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47 iMde = CMdESession::NewL( *this ); |
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48 } |
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49 |
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50 |
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51 CMdEManager::~CMdEManager() |
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52 { |
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53 TRACE_FUNC; |
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54 Cancel(); // Cancel any request, if outstanding |
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55 delete iAlbumQuery; |
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56 delete iObjectQuery; |
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57 delete iContainmentQuery; |
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58 delete iMde; |
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59 |
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60 iAlbumsInProgress.ResetAndDestroy(); |
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61 iAlbums.ResetAndDestroy(); |
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62 } |
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63 |
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64 void CMdEManager::GetAlbumsL() |
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65 { |
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66 TRACE_FUNC_ENTRY; |
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67 iAlbumsInProgress.ResetAndDestroy(); |
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68 iAlbums.ResetAndDestroy(); |
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69 if ( !iMde ) |
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70 { |
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71 LOGGER_WRITE("Session was not ready!"); |
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72 iState = EUninitialized; |
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73 iMde = CMdESession::NewL( *this ); |
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74 } |
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75 |
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76 if ( iState == EUninitialized) |
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77 { |
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78 LOGGER_WRITE("Starting processing albums after session is ready"); |
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79 iState = EWaitingToEnumerateAlbums; |
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80 } |
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81 else if ( iState == EIdle ) |
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82 { |
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83 StartProcessingAlbumsL(); |
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84 } |
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85 else |
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86 { |
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87 LOGGER_WRITE_1("Wrong state: %d", iState); |
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88 User::Leave( KErrGeneral ); |
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89 } |
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90 |
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91 TRACE_FUNC_EXIT; |
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92 } |
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93 |
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94 const CPlaylistItem& CMdEManager::AlbumL( TInt aAlbumId ) const |
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95 { |
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96 for ( TInt i=0; i<iAlbums.Count(); i++ ) |
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97 { |
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98 if ( iAlbums[i]->Id() == aAlbumId ) |
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99 { |
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100 LOGGER_WRITE("Album found"); |
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101 return *iAlbums[i]; |
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102 } |
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103 } |
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104 LOGGER_WRITE_1("CMdEManager::AlbumL - aAlbumId %d does not exist - Leaving KErrNotFound", aAlbumId); |
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105 User::Leave( KErrNotFound ); |
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106 } |
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107 |
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108 void CMdEManager::CreateAlbumL( CPlaylistItem& aAlbum ) |
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109 { |
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110 TRACE_FUNC_ENTRY; |
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111 if ( !iMde || iState != EIdle ) |
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112 { |
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113 LOGGER_WRITE("Not ready!"); |
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114 User::Leave( KErrNotReady ); |
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115 } |
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116 CMdENamespaceDef& defaultNamespaceDef = iMde->GetDefaultNamespaceDefL(); |
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117 CMdEObjectDef& albumObjDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Album::KAlbumObject ); |
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118 |
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119 CMdEPropertyDef& titlePropDef = albumObjDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty ); |
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120 |
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121 // Validate album name |
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122 TInt albumLength = aAlbum.Title().Length(); |
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123 if ( albumLength < titlePropDef.MinTextLengthL() || |
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124 albumLength > titlePropDef.MaxTextLengthL() ) |
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125 { |
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126 LOGGER_WRITE("Album length is not on valid range!"); |
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127 User::Leave( KErrBadName ); |
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128 } |
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129 |
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130 CMdEObject* albumObject = iMde->NewObjectLC( albumObjDef, KNullDesC ); |
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131 |
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132 CMdEPropertyDef& sizePropDef = albumObjDef.GetPropertyDefL( MdeConstants::Object::KSizeProperty ); |
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133 albumObject->AddUint32PropertyL(sizePropDef, 0); |
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134 CMdEPropertyDef& creationDatePropDef = albumObjDef.GetPropertyDefL( MdeConstants::Object::KCreationDateProperty ); |
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135 CMdEPropertyDef& lastModifiedDatePropDef = albumObjDef.GetPropertyDefL( MdeConstants::Object::KLastModifiedDateProperty ); |
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136 |
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137 TTime timeDate; |
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138 timeDate.UniversalTime(); |
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139 |
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140 albumObject->AddTimePropertyL( creationDatePropDef, timeDate ); |
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141 albumObject->AddTimePropertyL( lastModifiedDatePropDef, timeDate ); |
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142 |
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143 CMdEPropertyDef& typePropDef = albumObjDef.GetPropertyDefL( MdeConstants::Object::KItemTypeProperty ); |
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144 albumObject->AddTextPropertyL( typePropDef,MdeConstants::Album::KAlbumItemType ); |
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145 |
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146 albumObject->AddTextPropertyL( titlePropDef, aAlbum.Title() ); |
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147 TItemId newAlbumId = iMde->AddObjectL( *albumObject ); |
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148 |
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149 CleanupStack::PopAndDestroy( albumObject ); |
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150 |
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151 if ( newAlbumId == KNoId ) |
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152 { |
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153 LOGGER_WRITE("Adding album failed!"); |
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154 User::Leave( KErrGeneral ); |
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155 } |
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156 LOGGER_WRITE_1("New almbum created, id: %d", newAlbumId); |
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157 |
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158 CMdERelationDef& relationDef = defaultNamespaceDef.GetRelationDefL( MdeConstants::Relations::KContains ); |
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159 TMdEObject mediaObject; |
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160 RPointerArray<CMdEInstanceItem> relations; |
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161 CleanupResetAndDestroyPushL( relations); |
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162 for ( TInt i=0; i<aAlbum.ItemCount(); i++ ) |
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163 { |
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164 TRAPD(err, iMde->CheckObjectL( mediaObject, aAlbum.ItemAt(i) )); |
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165 LOGGER_WRITE_1("url: %S", &aAlbum.ItemAt(i)); |
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166 LOGGER_WRITE_1("CheckObjectL err: %d", err); |
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167 if ( !err ) |
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168 { |
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169 LOGGER_WRITE_1("object def: %S", &mediaObject.DefL().Name()); |
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170 if ( mediaObject.DefL().Name().Compare( MdeConstants::Image::KImageObject ) == 0 |
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171 || mediaObject.DefL().Name().Compare( MdeConstants::Video::KVideoObject ) == 0 ) |
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172 { |
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173 CMdERelation* relation = iMde->NewRelationL( relationDef, newAlbumId, mediaObject.Id() ); |
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174 relations.AppendL( relation ); |
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175 } |
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176 else |
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177 { |
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178 LOGGER_WRITE("type not supported"); |
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179 } |
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180 } |
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181 } |
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182 |
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183 if ( relations.Count() > 0 ) |
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184 { |
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185 TInt err = iMde->AddItemsL( relations ); |
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186 LOGGER_WRITE_1("AddItemsL first err: %d", err); |
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187 } |
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188 |
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189 CleanupStack::PopAndDestroy( &relations ); |
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190 |
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191 aAlbum.SetId( newAlbumId ); |
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192 |
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193 TRACE_FUNC_EXIT; |
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194 } |
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195 |
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196 void CMdEManager::ReplaceAlbumL( TInt aAlbumId, CPlaylistItem& aAlbum ) |
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197 { |
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198 TRACE_FUNC_ENTRY; |
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199 if ( !iMde || iState != EIdle ) |
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200 { |
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201 LOGGER_WRITE("Not ready!"); |
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202 User::Leave( KErrNotReady ); |
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203 } |
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204 // get old album from local cache and check do we need to change album title |
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205 const CPlaylistItem& oldAlbum = AlbumL( aAlbumId ); |
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206 CMdENamespaceDef& defaultNamespaceDef = iMde->GetDefaultNamespaceDefL(); |
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207 if ( oldAlbum.Title().Compare( aAlbum.Title() ) != 0 ) |
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208 { |
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209 // Title changed, open item from MdE and update it |
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210 |
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211 CMdEObjectDef& albumObjDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Album::KAlbumObject ); |
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212 |
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213 CMdEPropertyDef& titlePropDef = albumObjDef.GetPropertyDefL( |
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214 MdeConstants::Object::KTitleProperty ); |
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215 |
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216 // Validate album name |
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217 TInt albumLength = aAlbum.Title().Length(); |
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218 if ( albumLength < titlePropDef.MinTextLengthL() || |
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219 albumLength > titlePropDef.MaxTextLengthL() ) |
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220 { |
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221 LOGGER_WRITE("Album length is not on valid range!"); |
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222 User::Leave( KErrBadName ); |
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223 } |
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224 |
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225 CMdEObject* albumObject = iMde->OpenObjectL( aAlbumId, albumObjDef ); |
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226 |
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227 CMdEProperty* titleProp = NULL; |
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228 TInt index = albumObject->Property( titlePropDef, titleProp ); |
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229 if ( index == KErrNotFound ) |
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230 { |
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231 LOGGER_WRITE("Cannot find title property"); |
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232 User::Leave( KErrCorrupt ); |
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233 } |
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234 |
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235 LOGGER_WRITE("Change title property"); |
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236 titleProp->SetTextValueL( aAlbum.Title() ); |
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237 |
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238 CMdEPropertyDef& lastModDatePropDef = albumObjDef.GetPropertyDefL( |
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239 MdeConstants::Object::KLastModifiedDateProperty ); |
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240 CMdEProperty* lastModDateProp = NULL; |
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241 index = albumObject->Property( lastModDatePropDef, lastModDateProp ); |
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242 |
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243 if ( index == KErrNotFound ) |
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244 { |
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245 LOGGER_WRITE("Cannot find lastModDateProp property"); |
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246 User::Leave( KErrCorrupt ); |
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247 } |
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248 |
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249 TTime now; |
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250 now.UniversalTime(); |
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251 lastModDateProp->SetTimeValueL( now ); |
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252 |
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253 iMde->CommitObjectL( *albumObject ); |
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254 } |
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255 |
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256 // Update album and content relations |
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257 // Search added relations |
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258 CMdERelationDef& containsRelationDef = defaultNamespaceDef.GetRelationDefL( MdeConstants::Relations::KContains ); |
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259 TMdEObject mediaObject; |
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260 RPointerArray<CMdEInstanceItem> addedRelations; |
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261 CleanupResetAndDestroyPushL( addedRelations); |
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262 for ( TInt i=0; i< aAlbum.ItemCount(); i++) |
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263 { |
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264 TInt index(KErrNotFound); |
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265 TInt foundRes = oldAlbum.FindItem( aAlbum.ItemAt(i) ,index ); |
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266 if ( foundRes != 0 ) |
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267 { |
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268 // Item not found for old album -> Added relation |
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269 // Find object by uri |
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270 TRAPD( err, iMde->CheckObjectL( mediaObject, aAlbum.ItemAt(i) )); |
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271 LOGGER_WRITE_1("url: %S", &aAlbum.ItemAt(i)); |
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272 LOGGER_WRITE_1("CheckObjectL err: %d", err); |
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273 if ( !err ) |
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274 { |
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275 LOGGER_WRITE_1("object def: %S", &mediaObject.DefL().Name()); |
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276 if ( mediaObject.DefL().Name().Compare( MdeConstants::Image::KImageObject ) == 0 |
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277 || mediaObject.DefL().Name().Compare( MdeConstants::Video::KVideoObject ) == 0 ) |
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278 { |
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279 CMdERelation* relation = iMde->NewRelationL( containsRelationDef, aAlbumId, mediaObject.Id() ); |
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280 addedRelations.AppendL( relation ); |
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281 } |
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282 else |
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283 { |
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284 LOGGER_WRITE("type not supported"); |
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285 } |
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286 } |
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287 |
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288 } |
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289 } |
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290 if ( addedRelations.Count() > 0 ) |
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291 { |
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292 TInt err = iMde->AddItemsL( addedRelations ); |
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293 LOGGER_WRITE_1("AddItemsL first err: %d", err); |
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294 } |
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295 |
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296 CleanupStack::PopAndDestroy( &addedRelations ); |
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297 |
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298 // search removed relations |
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299 if ( iContainmentQuery ) |
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300 { |
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301 delete iContainmentQuery; |
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302 iContainmentQuery = NULL; |
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303 } |
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304 iContainmentQuery = iMde->NewRelationQueryL( defaultNamespaceDef, this ); |
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305 |
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306 CMdELogicCondition& rootCondition = iContainmentQuery->Conditions(); |
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307 CMdERelationCondition& relationCondition = |
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308 rootCondition.AddRelationConditionL(containsRelationDef, |
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309 ERelationConditionSideLeft); // "AND" |
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310 |
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311 CMdELogicCondition& leftCondition = relationCondition.LeftL(); |
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312 CMdELogicCondition& rightCondition = relationCondition.RightL(); |
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313 |
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314 leftCondition.AddObjectConditionL( aAlbumId ); |
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315 |
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316 CMdELogicCondition& objectDefLogicCond = |
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317 rightCondition.AddLogicConditionL( ELogicConditionOperatorOr); |
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318 |
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319 TBool removingRelationsNeeded( EFalse ); |
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320 for ( TInt i=0; i< oldAlbum.ItemCount(); i++) |
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321 { |
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322 TInt index(KErrNotFound); |
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323 TInt foundRes = aAlbum.FindItem( oldAlbum.ItemAt(i) ,index ); |
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324 if ( foundRes != 0 ) |
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325 { |
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326 removingRelationsNeeded = ETrue; |
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327 // Item not found from new album -> Removed relation (add uri to search condition) |
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328 LOGGER_WRITE_1("relation to be removed, uri: %S", &oldAlbum.ItemAt(i) ); |
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329 objectDefLogicCond.AddObjectConditionL( EObjectConditionCompareUri, oldAlbum.ItemAt(i) ); |
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330 } |
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331 } |
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332 |
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333 if ( removingRelationsNeeded ) |
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334 { |
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335 // find all removed relation ID:s. HandleRelationQueryCompleted will be called when ready. |
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336 iContainmentQuery->SetResultMode( EQueryResultModeId ); |
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337 iContainmentQuery->FindL(); |
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338 iState = EReplacingAlbum; |
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339 } |
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340 else |
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341 { |
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342 // All done |
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343 iState = EIdle; |
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344 iObserver.AlbumReplaced( KErrNone ); |
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345 } |
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346 |
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347 TRACE_FUNC_EXIT; |
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348 } |
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349 |
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350 void CMdEManager::DeleteAlbumL( TInt aAlbumId ) |
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351 { |
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352 TRACE_FUNC_ENTRY; |
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353 if ( !iMde || iState != EIdle ) |
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354 { |
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355 LOGGER_WRITE("Not ready!"); |
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356 User::Leave( KErrNotReady ); |
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357 } |
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358 |
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359 CMdENamespaceDef& defaultNamespaceDef = iMde->GetDefaultNamespaceDefL(); |
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360 CMdEObjectDef& albumObjDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Album::KAlbumObject ); |
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361 |
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362 CMdEObject* albumObject = iMde->GetObjectL( aAlbumId, albumObjDef ); |
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363 |
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364 CMdEPropertyDef& typePropDef = albumObjDef.GetPropertyDefL( |
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365 MdeConstants::Album::KTypeProperty ); |
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366 |
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367 CMdEProperty* typeProp = NULL; |
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368 TInt index = albumObject->Property( typePropDef, typeProp ); |
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369 if ( index != KErrNotFound ) |
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370 { |
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371 TUint16 typeVal = typeProp->Uint16ValueL(); |
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372 if ( typeVal == MdeConstants::Album::EAlbumSystemFavourite ) |
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373 { |
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374 LOGGER_WRITE("Item type is EAlbumSystemFavourite, deletion not allowed!"); |
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375 User::Leave( KErrPermissionDenied ); |
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376 } |
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377 } |
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378 |
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379 TItemId removedId(KNoId); |
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380 removedId = iMde->RemoveObjectL( aAlbumId ); |
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381 if ( removedId == KNoId ) |
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382 { |
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383 LOGGER_WRITE("Deletion failed!"); |
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384 User::Leave( KErrNotFound ); |
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385 } |
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386 |
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387 TRACE_FUNC_EXIT; |
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388 } |
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389 |
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390 void CMdEManager::StartProcessingAlbumsL() |
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391 { |
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392 TRACE_FUNC_ENTRY; |
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393 CMdENamespaceDef& defaultNamespaceDef = iMde->GetDefaultNamespaceDefL(); |
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394 CMdEObjectDef& albumObjDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Album::KAlbumObject ); |
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395 if ( iAlbumQuery ) |
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396 { |
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397 delete iAlbumQuery; |
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398 iAlbumQuery = NULL; |
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399 } |
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400 // query objects with object definition "Album" |
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401 iAlbumQuery = iMde->NewObjectQueryL( defaultNamespaceDef, albumObjDef, this ); |
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402 |
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403 // Add order |
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404 CMdEObjectDef& objdef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Object::KBaseObject ); |
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405 CMdEPropertyDef& propDef = objdef.GetPropertyDefL( MdeConstants::Object::KTitleProperty ); |
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406 TMdEOrderRule rule( propDef, ETrue ); |
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407 iAlbumQuery->AppendOrderRuleL( rule ); |
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408 |
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409 iAlbumQuery->FindL(); |
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410 |
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411 iState = EEnumeratingAlbums; |
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412 |
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413 TRACE_FUNC_EXIT; |
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414 } |
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415 |
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416 |
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417 void CMdEManager::FindItemsOnAlbumL( TItemId aAlbumObjectId ) |
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418 { |
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419 TRACE_FUNC_ENTRY; |
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420 if ( !iMde ) |
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421 { |
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422 LOGGER_WRITE("Session was not ready!"); |
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423 User::Leave( KErrNotReady ); |
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424 } |
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425 CMdENamespaceDef& defaultNamespaceDef = iMde->GetDefaultNamespaceDefL(); |
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426 CMdEObjectDef& objDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Object::KBaseObject ); |
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427 |
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428 CMdEPropertyDef& titlePropDef = objDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty ); |
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429 |
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430 if ( iObjectQuery ) |
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431 { |
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432 delete iObjectQuery; |
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433 iObjectQuery = NULL; |
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434 } |
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435 iObjectQuery = iMde->NewObjectQueryL( defaultNamespaceDef, objDef, this ); |
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436 |
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437 // get only "Title" property |
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438 iObjectQuery->AddPropertyFilterL( &titlePropDef ); |
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439 |
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440 CMdEObjectDef& objdef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Object::KBaseObject ); |
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441 CMdEPropertyDef& propDef = objdef.GetPropertyDefL( MdeConstants::Object::KTitleProperty ); |
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442 |
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443 CMdELogicCondition& rootCond = iObjectQuery->Conditions(); |
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444 |
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445 CMdERelationDef& containsRelDef = defaultNamespaceDef.GetRelationDefL( |
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446 MdeConstants::Relations::KContains ); |
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447 |
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448 // query right side objects from relations |
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449 CMdERelationCondition& relCond = rootCond.AddRelationConditionL( |
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450 containsRelDef, ERelationConditionSideRight ); |
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451 |
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452 // left side object of relation must be defined album object |
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453 CMdELogicCondition& leftRelCond = relCond.LeftL(); |
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454 leftRelCond.AddObjectConditionL( aAlbumObjectId ); |
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455 |
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456 iObjectQuery->FindL(); |
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457 |
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458 TRACE_FUNC_EXIT; |
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459 } |
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460 |
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461 /** |
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462 * Called to notify the observer that opening the session has been |
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463 * completed and, if the opening succeeded, the session is ready for use. |
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464 * |
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465 * @param aSession session |
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466 * @param aError <code>KErrNone</code>, if opening the session succeeded; |
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467 * or one of the system-wide error codes, if opening the |
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468 * session failed |
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469 */ |
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470 void CMdEManager::HandleSessionOpened(CMdESession& /*aSession*/, TInt aError) |
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471 { |
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472 TRACE_FUNC_ENTRY; |
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473 if ( !aError ) |
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474 { |
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475 LOGGER_WRITE("Session opened"); |
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476 if ( iState == EWaitingToEnumerateAlbums ) |
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477 { |
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478 iState = EIdle; |
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479 TRAPD(err, StartProcessingAlbumsL()); |
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480 if ( err ) |
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481 { |
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482 iObserver.AlbumsReaded( err ); |
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483 } |
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484 } |
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485 else |
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486 { |
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487 iState = EIdle; |
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488 } |
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489 } |
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490 else |
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491 { |
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492 LOGGER_WRITE_1("Error happened on opening session, aError: %d", aError); |
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493 if ( iState == EWaitingToEnumerateAlbums ) |
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494 { |
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495 iObserver.AlbumsReaded( aError ); |
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496 } |
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497 iState = EUninitialized; |
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498 delete iMde; |
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499 iMde = NULL; |
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500 } |
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501 TRACE_FUNC_EXIT; |
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502 } |
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503 |
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504 /** |
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505 * Called to notify the observer about errors, which are not a direct |
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506 * consequence of the operations initiated by the client but caused by |
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507 * some external source (e.g., other clients). The error cannot be |
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508 * recovered and all on-going operations initiated by the client have been |
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509 * aborted. Any attempts to continue using the session will cause a panic. |
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510 * The client should close the session immediately and try to open a new |
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511 * session, if it needs to continue using the metadata engine. |
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512 * |
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513 * @param aSession session |
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514 * @param aError one of the system-wide error codes |
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515 */ |
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516 void CMdEManager::HandleSessionError(CMdESession& /*aSession*/, TInt aError) |
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517 { |
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518 // Something went wrong. Handle the error and delete the old session. |
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519 LOGGER_WRITE_1("CMdEManager::HandleSessionError - aError: %d", aError) |
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520 iState = EUninitialized; |
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521 delete iMde; |
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522 iMde = NULL; |
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523 } |
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524 |
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525 /** |
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526 * Called to notify the observer that new results have been received |
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527 * in the query. |
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528 * |
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529 * @param aQuery Query instance that received new results. |
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530 * @param aFirstNewItemIndex Index of the first new item that was added |
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531 * to the result item array. |
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532 * @param aNewItemCount Number of items added to the result item |
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533 * array. |
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534 */ |
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535 void CMdEManager::HandleQueryNewResults(CMdEQuery& /*aQuery*/, |
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536 TInt /*aFirstNewItemIndex*/, |
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537 TInt /*aNewItemCount*/) |
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538 { |
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539 } |
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540 |
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541 void CMdEManager::ProcessNextAlbumL() |
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542 { |
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543 TRACE_FUNC_ENTRY; |
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544 if ( iAlbumsInProgress.Count() == 0 ) |
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545 { |
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546 LOGGER_WRITE("All ready"); |
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547 // all ready |
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548 return; |
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549 } |
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550 |
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551 FindItemsOnAlbumL( iAlbumsInProgress[0]->Id() ); |
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552 |
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553 TRACE_FUNC_EXIT; |
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554 } |
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555 |
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556 |
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557 /** |
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558 * Called to notify the observer that the query has been completed, |
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559 * or that an error has occured. |
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560 * |
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561 * @param aQuery Query instance. |
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562 * @param aError <code>KErrNone</code>, if the query was completed |
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563 * successfully. Otherwise one of the system-wide error |
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564 * codes. |
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565 */ |
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566 void CMdEManager::HandleQueryCompleted(CMdEQuery& aQuery, TInt aError) |
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567 { |
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568 TRACE_FUNC_ENTRY; |
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569 TInt err( aError ); |
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570 |
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571 if ( iState == EEnumeratingAlbums ) |
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572 { |
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573 CMdEObjectQuery& query = (CMdEObjectQuery&)aQuery; |
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574 if ( !err && &aQuery == iAlbumQuery ) |
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575 { |
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576 LOGGER_WRITE("Album query"); |
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577 TRAP( err, HandleAlbumQueryCompletedL( query )); |
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578 } |
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579 else if ( !err && &aQuery == iObjectQuery ) |
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580 { |
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581 LOGGER_WRITE("Object query"); |
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582 TRAP( err, HandleObjectQueryCompletedL( query )); |
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583 } |
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584 else |
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585 { |
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586 LOGGER_WRITE("unknown query or error happened"); |
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587 } |
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588 |
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589 if ( err ) |
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590 { |
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591 LOGGER_WRITE_1("Error happened: %d", err); |
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592 iState = EIdle; |
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593 iAlbumsInProgress.ResetAndDestroy(); |
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594 iAlbums.ResetAndDestroy(); |
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595 iObserver.AlbumsReaded( err ); |
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596 } |
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597 } |
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598 else if ( iState == EReplacingAlbum ) |
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599 { |
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600 if ( !err && &aQuery == iContainmentQuery ) |
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601 { |
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602 LOGGER_WRITE("relation query"); |
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603 CMdERelationQuery& query = (CMdERelationQuery&)aQuery; |
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604 TRAP( err, HandleRelationQueryCompletedL( query )); |
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605 } |
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606 |
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607 iState = EIdle; |
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608 iObserver.AlbumReplaced( err ); |
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609 |
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610 } |
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611 TRACE_FUNC_EXIT; |
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612 } |
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613 |
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614 |
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615 // ----------------------------------------------------------------------------- |
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616 // CMdEManager::HandleAlbumQueryCompletedL |
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617 // Callback function for find all albums. Save albums to iAlbumsInProgress array |
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618 // and start collecting objects on each album. |
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619 // ----------------------------------------------------------------------------- |
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620 void CMdEManager::HandleAlbumQueryCompletedL( CMdEObjectQuery& aQuery ) |
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621 { |
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622 TRACE_FUNC_ENTRY; |
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623 // clear old items |
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624 iAlbumsInProgress.ResetAndDestroy(); |
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625 iAlbums.ResetAndDestroy(); |
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626 |
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627 for ( TInt i = 0; i < aQuery.Count(); i++ ) |
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628 { |
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629 CPlaylistItem* albumItem = CPlaylistItem::NewLC(); |
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630 CMdEObject& object = aQuery.Result(i); |
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631 LOGGER_WRITE_1("Id: %d", object.Id()); |
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632 albumItem->SetId( object.Id() ); |
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633 |
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634 CMdEPropertyDef& titlePropDef = object.Def().GetPropertyDefL( MdeConstants::Object::KTitleProperty ); |
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635 |
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636 CMdEProperty* titleProp = NULL; |
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637 TInt index = object.Property( titlePropDef, titleProp ); |
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638 if ( index != KErrNotFound ) |
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639 { |
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640 const TDesC& title = titleProp->TextValueL(); |
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641 LOGGER_WRITE_1("Title: %S", &title); |
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642 albumItem->SetTitleL( title ); |
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643 } |
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644 else |
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645 { |
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646 // not found, might be default album |
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647 albumItem->SetTitleL( object.Uri() ); |
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648 } |
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649 |
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650 LOGGER_WRITE(""); |
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651 iAlbumsInProgress.AppendL( albumItem ); |
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652 CleanupStack::Pop( albumItem ); |
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653 } |
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654 |
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655 if ( aQuery.Count() > 0 ) |
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656 { |
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657 // Start processing albums |
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658 ProcessNextAlbumL(); |
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659 } |
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660 else |
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661 { |
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662 // no albums |
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663 iObserver.AlbumsReaded( KErrNone ); |
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664 } |
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665 TRACE_FUNC_EXIT; |
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666 } |
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667 |
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668 void CMdEManager::HandleObjectQueryCompletedL( CMdEObjectQuery& aQuery ) |
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669 { |
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670 if ( !iAlbumsInProgress.Count() ) |
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671 { |
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672 LOGGER_WRITE("Error! No items on iAlbumsInProgress"); |
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673 User::Leave( KErrGeneral ); |
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674 } |
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675 for ( TInt i = 0; i < aQuery.Count(); i++ ) |
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676 { |
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677 CMdEObject& object = aQuery.Result(i); |
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678 iAlbumsInProgress[0]->AddItemL( object.Uri() ); |
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679 } |
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680 iAlbums.AppendL( iAlbumsInProgress[0] ); |
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681 iAlbumsInProgress.Remove( 0 ); |
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682 if ( iAlbumsInProgress.Count() > 0) |
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683 { |
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684 ProcessNextAlbumL(); |
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685 } |
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686 else |
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687 { |
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688 // all albums processed |
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689 iState = EIdle; |
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690 iObserver.AlbumsReaded( KErrNone ); |
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691 } |
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692 } |
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693 |
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694 void CMdEManager::HandleRelationQueryCompletedL( CMdERelationQuery& aQuery ) |
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695 { |
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696 TRACE_FUNC_ENTRY; |
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697 const RArray<TItemId>& res = aQuery.ResultIds(); |
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698 LOGGER_WRITE_1("founded relations count: %d", res.Count()) |
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699 for (TInt i=0; i<res.Count(); i++ ) |
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700 { |
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701 LOGGER_WRITE_1(" %d", res[i]); |
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702 } |
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703 LOGGER_WRITE_1("q count: %d", aQuery.Count() ); |
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704 RArray<TItemId> removed; |
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705 CMdENamespaceDef& defaultNameSpace = iMde->GetDefaultNamespaceDefL(); |
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706 iMde->RemoveRelationsL( aQuery.ResultIds(),removed, &defaultNameSpace); |
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707 LOGGER_WRITE_1("Removed relations count: %d", removed.Count()) |
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708 for (TInt i=0; i<removed.Count(); i++) |
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709 { |
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710 LOGGER_WRITE_1(" %d", removed[i]); |
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711 } |
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712 TRACE_FUNC_EXIT; |
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713 } |
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714 |
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715 void CMdEManager::Cancel() |
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716 { |
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717 TRACE_FUNC_ENTRY; |
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718 if ( iState == EWaitingToEnumerateAlbums ) |
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719 { |
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720 // Cancel enumeration before it even begins |
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721 iState = EUninitialized; |
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722 iObserver.AlbumsReaded( KErrCancel ); |
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723 } |
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724 |
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725 if ( iAlbumQuery ) |
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726 { |
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727 LOGGER_WRITE("iAlbumQuery->Cancel()"); |
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728 iAlbumQuery->Cancel(); |
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729 } |
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730 if ( iObjectQuery ) |
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731 { |
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732 LOGGER_WRITE("iObjectQuery->Cancel()"); |
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733 iObjectQuery->Cancel(); |
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734 } |
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735 if ( iContainmentQuery ) |
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736 { |
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737 LOGGER_WRITE("iContainmentQuery->Cancel()"); |
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738 iContainmentQuery->Cancel(); |
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739 } |
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740 TRACE_FUNC_EXIT; |
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741 } |
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