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1 /* |
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2 * Copyright (c) 2002 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: Storage Id change observer container |
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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 |
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20 // INCLUDE FILES |
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21 #include <e32std.h> |
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22 #include "CPEngObserverContainer.h" |
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23 #include "MPEngSIDChangeObserver.h" |
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24 #include "MPEngSIdContainer.h" |
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25 |
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26 |
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27 // MACROS |
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28 #define RETURN_IF_ERROR( aErrorCode )\ |
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29 TInt eC( aErrorCode );\ |
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30 if ( eC != KErrNone )\ |
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31 {\ |
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32 return eC;\ |
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33 } |
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34 |
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35 |
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36 // ============================ MEMBER FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CPEngObserverContainer::CPEngObserverContainer |
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40 // C++ default constructor can NOT contain any code, that might leave. |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CPEngObserverContainer::CPEngObserverContainer( |
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44 MPEngSIDChangeObserver& aChangeObserver, |
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45 TInt aPriority ) |
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46 : iObserver( aChangeObserver ), |
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47 iObserverPriority( aPriority ), |
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48 iSuspended( EFalse ), |
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49 iChangedSIds( 1 ), // usually probably one SID at time |
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50 iProcessing( EFalse ) |
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51 |
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52 { |
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53 } |
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54 |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CPEngObserverContainer::ConstructL |
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58 // Symbian 2nd phase constructor can leave. |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 void CPEngObserverContainer::ConstructL( ) |
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62 { |
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63 } |
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64 |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CPEngObserverContainer::NewLC |
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68 // Two-phased constructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CPEngObserverContainer* CPEngObserverContainer::NewLC( |
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72 MPEngSIDChangeObserver& aChangeObserver, |
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73 TInt aPriority ) |
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74 { |
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75 CPEngObserverContainer* self = new( ELeave ) CPEngObserverContainer( |
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76 aChangeObserver, |
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77 aPriority ); |
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78 |
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79 CleanupStack::PushL( self ); |
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80 self->ConstructL( ); |
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81 |
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82 return self; |
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83 } |
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84 |
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85 |
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86 // Destructor |
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87 CPEngObserverContainer::~CPEngObserverContainer() |
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88 { |
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89 ResetEngagedIdsArray(); |
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90 iChangedSIds.Reset(); |
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91 if ( iAliveFlag ) |
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92 { |
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93 ( *iAliveFlag ) = EFalse; |
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94 } |
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95 } |
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96 |
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97 |
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98 // ============================================================================= |
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99 // Another function of the CPEngObserverContainer |
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100 // ============================================================================= |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CPEngObserverContainer::SIdHasChangedL() |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CPEngObserverContainer::SIdHasChangedL( |
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107 const TDesC& aChangedSId ) |
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108 { |
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109 TKeyArrayFix comparison( 0, ECmpNormal ); |
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110 // do not update if: Processing is in progress(notification of itself), |
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111 // or suspended |
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112 if ( !iProcessing && !iSuspended ) |
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113 { |
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114 iChangedSIds.InsertIsqL( aChangedSId, comparison ); |
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115 } |
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116 } |
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117 |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CPEngObserverContainer::RemoveSIdContainer() |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 void CPEngObserverContainer::RemoveSIdContainer( |
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124 MPEngSIdContainer* aSIdContainer ) |
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125 { |
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126 TInt index( 0 ); |
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127 if ( KErrNone == iEngagedSIds.FindInAddressOrder( aSIdContainer, index ) ) |
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128 { |
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129 iEngagedSIds.Remove( index ); |
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130 } |
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131 } |
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132 |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CPEngObserverContainer::NotifySIdsChanges() |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CPEngObserverContainer::NotifySIdsChanges( |
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139 TInt aPriority ) |
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140 { |
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141 // return if priority does not match |
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142 if ( aPriority != iObserverPriority ) |
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143 { |
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144 return; |
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145 } |
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146 if ( !iProcessing && ( iChangedSIds.Count() != 0 ) ) |
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147 { |
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148 iProcessing = ETrue; |
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149 |
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150 TBool alive( ETrue ); |
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151 iAliveFlag = &alive; |
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152 |
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153 TRAPD( e, iObserver.HandleSIDsChangeL( iChangedSIds ) ); |
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154 |
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155 if ( !alive ) |
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156 { |
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157 return; |
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158 } |
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159 iAliveFlag = NULL; |
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160 |
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161 iProcessing = EFalse; |
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162 if ( e != KErrNone ) |
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163 { |
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164 iObserver.HandleSIDNotifyError( e ); |
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165 } |
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166 iChangedSIds.Reset(); |
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167 } |
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168 } |
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169 |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CPEngObserverContainer::NotifySIdListenError() |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 void CPEngObserverContainer::NotifySIdListenError( |
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176 TInt aError ) |
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177 { |
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178 iProcessing = ETrue; |
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179 iObserver.HandleSIDNotifyError( aError ); |
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180 iChangedSIds.Reset(); |
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181 iProcessing = EFalse; |
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182 } |
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183 |
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184 |
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185 // ----------------------------------------------------------------------------- |
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186 // CPEngObserverContainer::UpdateSIdsContainersL() |
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187 // ----------------------------------------------------------------------------- |
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188 // |
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189 TInt CPEngObserverContainer::UpdateSIdsContainers( |
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190 const RPointerArray<MPEngSIdContainer>& aSIdContainers, |
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191 RPointerArray<MPEngSIdContainer>& aOldSIdContainers, |
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192 TBool aKeepOldIds ) |
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193 { |
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194 aOldSIdContainers.Reset(); |
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195 TInt countOld ( iEngagedSIds.Count() ); |
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196 for ( TInt x ( 0 ) ; x < countOld ; ++x ) |
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197 { |
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198 RETURN_IF_ERROR( aOldSIdContainers.Append( iEngagedSIds[x] ) ); |
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199 } |
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200 |
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201 TInt err( UpdateSIdsContainers( aSIdContainers, aKeepOldIds ) ); |
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202 if ( err == KErrNone ) |
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203 { |
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204 return KErrNone; |
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205 } |
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206 // update failed, return array to previous state - |
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207 // no fail since we had that count there before |
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208 // pointers are also in address order |
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209 |
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210 ResetEngagedIdsArray(); |
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211 for ( TInt y ( 0 ) ; y < countOld ; ++y ) |
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212 { |
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213 // this cannot fail, since we had there that count before, |
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214 // keep trying for all pointers |
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215 iEngagedSIds.Append( aOldSIdContainers[y] ); |
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216 } |
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217 return err; |
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218 } |
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219 |
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220 |
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221 // ----------------------------------------------------------------------------- |
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222 // CPEngObserverContainer::UpdateSIdsContainers() |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 TInt CPEngObserverContainer::UpdateSIdsContainers( |
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226 const RPointerArray<MPEngSIdContainer>& aSIdContaners, |
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227 TBool aKeepOldIDs ) |
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228 { |
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229 if ( !aKeepOldIDs ) |
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230 { |
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231 ResetEngagedIdsArray(); |
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232 } |
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233 TInt count ( aSIdContaners.Count() ); |
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234 for ( TInt x ( 0 ) ; x < count ; ++x ) |
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235 { |
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236 if ( KErrNone == aSIdContaners[x]->AddObserverContainer( this ) ) |
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237 { |
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238 TInt err ( iEngagedSIds.InsertInAddressOrder( aSIdContaners[x] ) ); |
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239 if ( ( KErrNone != err ) && ( err != KErrAlreadyExists ) ) |
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240 { |
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241 aSIdContaners[x]->RemoveObserverContainer( this ); |
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242 return err; |
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243 } |
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244 } |
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245 } |
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246 return KErrNone; |
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247 } |
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248 |
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249 |
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250 // ----------------------------------------------------------------------------- |
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251 // CPEngObserverContainer::RemoveSIdsFromSIdsObserver() |
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252 // ----------------------------------------------------------------------------- |
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253 // |
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254 void CPEngObserverContainer::RemoveSIdsFromSIdsObserver( |
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255 const MDesCArray& aSIdsToRemove ) |
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256 { |
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257 // go through IDs are remove them if needed, engaged needs to be check from end |
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258 TInt removeCount( aSIdsToRemove.MdcaCount() ); |
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259 for ( TInt i ( 0 ) ; i < removeCount ; ++i ) |
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260 { |
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261 TPtrC sId( aSIdsToRemove.MdcaPoint( i ) ); |
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262 for ( TInt ii( iEngagedSIds.Count() - 1 ) ; ii >= 0 ; --ii ) |
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263 { |
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264 if ( KErrNone |
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265 == |
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266 sId.CompareF( iEngagedSIds[ ii ]->SId() ) |
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267 ) |
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268 { |
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269 iEngagedSIds[ ii ]->RemoveObserverContainer( this ); |
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270 iEngagedSIds.Remove( ii ); |
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271 break; |
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272 } |
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273 } |
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274 } |
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275 } |
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276 |
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277 |
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278 // ----------------------------------------------------------------------------- |
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279 // CPEngObserverContainer::RestartObserver() |
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280 // ----------------------------------------------------------------------------- |
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281 // |
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282 void CPEngObserverContainer::RestartObserver() |
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283 { |
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284 for ( TInt x( iEngagedSIds.Count() - 1 ) ; x >= 0 ; --x ) |
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285 { |
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286 iEngagedSIds[ x ]->RemoveObserverContainer( this ); |
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287 iEngagedSIds.Remove( x ); |
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288 } |
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289 } |
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290 |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // CPEngObserverContainer::EngagedSIdsCount() |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 TInt CPEngObserverContainer::EngagedSIdsCount() |
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297 { |
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298 return iEngagedSIds.Count(); |
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299 } |
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300 |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CPEngObserverContainer::Observer() |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 const MPEngSIDChangeObserver* CPEngObserverContainer::Observer( ) const |
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307 { |
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308 return &iObserver; |
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309 } |
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310 |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CPEngObserverContainer::SetSuspendMode() |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 void CPEngObserverContainer::SetSuspendMode( |
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317 TBool aSuspendMode ) |
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318 { |
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319 iSuspended = aSuspendMode; |
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320 } |
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321 |
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322 // ============================================================================= |
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323 // ======== NEW PRIVATE FUNCTIONS OF THE CPEngObserverContainer ================ |
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324 // ============================================================================= |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CPEngObserverContainer::ResetEngagedIdsArray |
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328 // Reset Engaged SIds array, |
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329 // Also link of the Store Id containers to the observer |
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330 // container is removed |
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331 // ----------------------------------------------------------------------------- |
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332 // |
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333 void CPEngObserverContainer::ResetEngagedIdsArray() |
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334 { |
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335 TInt count ( iEngagedSIds.Count() ); |
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336 for ( TInt x ( 0 ) ; x < count ; ++x ) |
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337 { |
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338 iEngagedSIds[ x ]->RemoveObserverContainer( this ); |
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339 } |
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340 iEngagedSIds.Reset(); |
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341 } |
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342 |
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343 |
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344 // End of File |