1 /* |
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2 * Copyright (c) 2008-2009 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: Task used for thumbnail availability filter. |
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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 /** |
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21 * @internal reviewed 31/07/2007 by Simon Brooks |
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22 */ |
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23 |
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24 #include "glxtnfilteravailabletask.h" |
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25 |
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26 #include <glxassert.h> |
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27 #include <glxtracer.h> |
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28 |
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29 #include "glxtnfileinfo.h" |
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30 #include "mglxtnstorage.h" |
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31 #include "mglxtnthumbnailcreatorclient.h" |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // NewL |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CGlxtnFilterAvailableTask* CGlxtnFilterAvailableTask::NewL( |
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38 const TArray<TGlxMediaId>& aItemArray, const TSize& aSize, |
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39 MGlxtnThumbnailCreatorClient& aClient) |
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40 { |
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41 TRACER("CGlxtnFilterAvailableTask* CGlxtnFilterAvailableTask::NewL()"); |
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42 CGlxtnFilterAvailableTask* task = new (ELeave) CGlxtnFilterAvailableTask( |
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43 aSize, aClient); |
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44 CleanupStack::PushL(task); |
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45 task->ConstructL(aItemArray); |
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46 CleanupStack::Pop(task); |
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47 return task; |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // Constructor |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CGlxtnFilterAvailableTask::CGlxtnFilterAvailableTask(const TSize& aSize, |
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55 MGlxtnThumbnailCreatorClient& aClient) : |
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56 CGlxtnClientTask(KGlxtnTaskIdFilterAvailable, KGlxIdNone, aClient), |
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57 iSize(aSize) |
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58 { |
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59 TRACER("CGlxtnFilterAvailableTask::CGlxtnFilterAvailableTask()"); |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // ConstructL |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 void CGlxtnFilterAvailableTask::ConstructL( |
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67 const TArray<TGlxMediaId>& aItemArray) |
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68 { |
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69 TRACER("void CGlxtnFilterAvailableTask::ConstructL()"); |
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70 TInt count = aItemArray.Count(); |
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71 for ( TInt i = 0; i < count; i++ ) |
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72 { |
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73 iIdArray.AppendL(aItemArray[i]); |
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74 } |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // Destructor |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CGlxtnFilterAvailableTask::~CGlxtnFilterAvailableTask() |
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82 { |
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83 TRACER("CGlxtnFilterAvailableTask::~CGlxtnFilterAvailableTask()"); |
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84 delete iFileInfo; |
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85 iIdArray.Close(); |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // DoStartL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 TBool CGlxtnFilterAvailableTask::DoStartL(TRequestStatus& aStatus) |
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93 { |
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94 TRACER("TBool CGlxtnFilterAvailableTask::DoStartL()"); |
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95 iIndex = 0; |
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96 |
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97 GLX_ASSERT_DEBUG( !iFileInfo, Panic( EGlxPanicAlreadyInitialised ), |
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98 "iFileInfo not NULL" ); |
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99 iFileInfo = new (ELeave) CGlxtnFileInfo; |
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100 |
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101 return GetFileInfoL(aStatus); |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // DoCancel |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 void CGlxtnFilterAvailableTask::DoCancel() |
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109 { |
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110 TRACER("void CGlxtnFilterAvailableTask::DoCancel()"); |
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111 Storage()->StorageCancel(); |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // DoRunL |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 TBool CGlxtnFilterAvailableTask::DoRunL(TRequestStatus& aStatus) |
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119 { |
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120 TRACER("TBool CGlxtnFilterAvailableTask::DoRunL()"); |
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121 TInt result = aStatus.Int(); |
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122 User::LeaveIfError(result); |
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123 |
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124 TBool active = EFalse; |
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125 |
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126 switch ( iState ) |
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127 { |
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128 case EStateFetchingUri: |
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129 Storage()->IsThumbnailAvailableL(iIdArray[iIndex], *iFileInfo, |
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130 iSize, &aStatus); |
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131 iState = EStateChecking; |
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132 active = ETrue; |
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133 break; |
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134 |
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135 case EStateChecking: |
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136 if ( KGlxThumbnailNotAvailable == result ) |
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137 { |
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138 iIndex++; |
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139 } |
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140 else |
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141 { |
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142 iIdArray.Remove(iIndex); |
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143 } |
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144 |
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145 active = GetFileInfoL(aStatus); |
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146 break; |
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147 |
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148 default: |
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149 GLX_ASSERT_ALWAYS( EFalse, Panic( EGlxPanicIllegalState ), |
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150 "CGlxtnFilterAvailableTask: Illegal state" ); |
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151 break; |
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152 } |
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153 |
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154 return active; |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // DoRunError |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 TBool CGlxtnFilterAvailableTask::DoRunError(TInt aError) |
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162 { |
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163 TRACER("CGlxtnFilterAvailableTask::DoRunError()"); |
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164 Client().FilterAvailableComplete(iIdArray, aError); |
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165 |
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166 return EFalse; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // GetFileInfoL |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 TBool CGlxtnFilterAvailableTask::GetFileInfoL(TRequestStatus& aStatus) |
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174 { |
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175 TRACER("CGlxtnFilterAvailableTask::GetFileInfoL()"); |
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176 if ( iIndex < iIdArray.Count() ) |
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177 { |
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178 Client().FetchFileInfoL(iFileInfo, iIdArray[iIndex], &aStatus); |
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179 iState = EStateFetchingUri; |
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180 |
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181 return ETrue; |
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182 } |
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183 |
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184 // Finished checking the array |
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185 Client().FilterAvailableComplete(iIdArray, KErrNone); |
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186 |
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187 return EFalse; |
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188 } |
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