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1 /* |
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2 * Copyright (c) 2005-2007 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: |
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15 * Plug-in main class |
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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 <liwservicehandler.h> |
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22 #include <liwvariant.h> |
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23 #include <liwgenericparam.h> |
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24 #include <s32mem.h> |
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25 #include "wrtdata.h" |
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26 #include "wrtdataobserver.h" |
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27 #include "wrtdatapluginconst.h" |
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28 |
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29 _LIT8( KErrorCode, "ErrorCode" ); |
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30 _LIT8( KTransactionId, "TransactionID" ); |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // Factory method construction |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 CWrtDataObserver * CWrtDataObserver::NewL( MLiwInterface* aInterface, CWrtData* aData ) |
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37 { |
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38 CWrtDataObserver * self = new (ELeave) CWrtDataObserver(); |
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39 CleanupStack::PushL( self ); |
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40 self->ConstructL( aInterface, aData ); |
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41 CleanupStack::Pop( self ); |
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42 return self; |
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43 } |
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44 |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // 2n phase constructor |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 void CWrtDataObserver::ConstructL( MLiwInterface* aInterface, CWrtData* aData ) |
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51 { |
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52 iData = aData; |
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53 iInterface = aInterface; |
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54 } |
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55 |
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56 // --------------------------------------------------------------------------- |
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57 // Constructor |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 CWrtDataObserver::CWrtDataObserver () |
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61 { |
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62 } |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 // Destructor |
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66 // --------------------------------------------------------------------------- |
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67 // |
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68 CWrtDataObserver ::~CWrtDataObserver () |
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69 { |
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70 TRAP_IGNORE( ReleaseL() ); |
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71 |
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72 iInterface = NULL; |
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73 iData = NULL; |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // CWrtDataObserver::HandleNotifyL |
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78 // Handles Published content notification |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 TInt CWrtDataObserver::HandleNotifyL( |
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82 TInt aErrorCode, |
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83 TInt /*aEventId*/, |
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84 CLiwGenericParamList& aEventParamList, |
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85 const CLiwGenericParamList& /*aInParamList*/ ) |
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86 { |
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87 |
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88 // Is plugin active to refresh the published data |
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89 iError = aErrorCode; |
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90 TInt count(0); |
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91 TInt pos(0); |
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92 const TLiwGenericParam* param(NULL); |
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93 CLiwDefaultList* listOfMaps = CLiwDefaultList::NewLC(); |
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94 param = aEventParamList.FindFirst(pos,KChangeInfo); |
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95 if( param ) |
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96 { |
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97 User::LeaveIfError( param->Value().Get( *listOfMaps ) ); |
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98 count = listOfMaps->Count(); |
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99 } |
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100 TLiwVariant variant; |
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101 // Extract the data from the map |
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102 for(TInt i = 0;i < count; i++) |
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103 { |
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104 listOfMaps->AtL(i,variant); |
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105 HBufC16* operation = NULL; |
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106 |
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107 CLiwDefaultMap *map = CLiwDefaultMap::NewLC(); |
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108 variant.Get( *map ); |
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109 if (map->FindL( KOperation, variant )) |
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110 { |
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111 operation = variant.AsDes().AllocLC(); |
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112 variant.Reset(); |
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113 if( operation->Des() != KOperationExecute ) |
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114 { |
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115 // Nothing to update for execute action |
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116 if ( map->FindL( KFLAG, variant )) |
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117 { |
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118 // notification from publisher registry |
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119 if ( operation->Des() != KOperationDelete ) |
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120 { |
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121 iData->UpdatePublisherStatusL(); |
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122 } |
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123 } |
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124 // ignore update if plugin is in suspend mode |
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125 else if ( iData->IsPluginActive() ) |
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126 { |
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127 HBufC16* contentId = NULL; |
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128 CLiwDefaultMap* dataMap = NULL; |
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129 // Get the data Map if available |
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130 if ( map->FindL( KDataMap, variant)) |
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131 { |
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132 TPtrC8 data = variant.AsData(); |
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133 RDesReadStream datastrm ( data ); |
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134 dataMap = CLiwDefaultMap::NewLC(datastrm); |
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135 } |
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136 // Get the content Id |
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137 if ( map->FindL( KContentId, variant )) |
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138 { |
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139 contentId = variant.AsDes().AllocLC(); |
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140 // Refresh only if contentId is retrieved |
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141 iData->RefreshL( *contentId, *operation, dataMap ); |
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142 CleanupStack::PopAndDestroy( contentId ); |
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143 } |
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144 |
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145 if ( dataMap ) |
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146 { |
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147 CleanupStack::PopAndDestroy( dataMap ); |
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148 } |
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149 } |
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150 variant.Reset(); |
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151 } |
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152 if ( operation ) |
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153 { |
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154 CleanupStack::PopAndDestroy( operation ); |
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155 } |
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156 } |
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157 CleanupStack::PopAndDestroy( map ); |
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158 } |
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159 CleanupStack::PopAndDestroy( listOfMaps ); |
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160 |
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161 return aErrorCode; |
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162 } |
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163 |
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164 // --------------------------------------------------------------------------- |
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165 // CWrtDataObserver::RegisterL |
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166 // Register for notifications |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 void CWrtDataObserver::RegisterL( CLiwDefaultMap* aFilter ) |
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170 { |
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171 CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL(); |
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172 CleanupStack::PushL( inParamList ); |
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173 |
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174 CLiwGenericParamList* outParamList = CLiwGenericParamList::NewL(); |
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175 CleanupStack::PushL( outParamList ); |
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176 |
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177 // Fill in input list for RequestNotification command |
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178 inParamList->AppendL( |
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179 TLiwGenericParam( KType, TLiwVariant( KCpData_PubData ) ) ); |
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180 |
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181 inParamList->AppendL( |
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182 TLiwGenericParam( KFilter, TLiwVariant( aFilter ) ) ); |
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183 |
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184 iError = KErrNone; |
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185 TRAP( iError, iInterface->ExecuteCmdL( |
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186 KRequestNotification, |
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187 *inParamList, |
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188 *outParamList, |
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189 0, |
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190 this ) ); |
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191 |
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192 TInt pos( 0 ); |
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193 |
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194 const TLiwGenericParam* outParam( |
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195 outParamList->FindFirst( pos, KErrorCode ) ); |
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196 |
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197 if ( outParam ) |
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198 { |
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199 TInt retval( outParam->Value().AsTInt32() ); |
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200 |
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201 if( retval == KErrNone ) |
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202 { |
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203 pos = 0; |
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204 outParam = outParamList->FindFirst( pos, KTransactionId ); |
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205 |
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206 if ( outParam ) |
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207 { |
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208 iTransactionId = outParam->Value().AsTInt32(); |
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209 } |
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210 } |
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211 } |
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212 |
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213 CleanupStack::PopAndDestroy( 2, inParamList ); |
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214 } |
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215 |
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216 // --------------------------------------------------------------------------- |
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217 // CWrtDataObserver ::ReleaseL |
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218 // Sing off to notification |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 void CWrtDataObserver::ReleaseL() |
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222 { |
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223 if( !iInterface ) |
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224 { |
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225 return; |
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226 } |
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227 |
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228 CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL(); |
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229 CleanupStack::PushL( inParamList ); |
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230 |
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231 CLiwGenericParamList* outParamList = CLiwGenericParamList::NewL(); |
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232 CleanupStack::PushL( outParamList ); |
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233 |
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234 inParamList->AppendL( TLiwGenericParam( KTransactionId, |
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235 TLiwVariant( iTransactionId ) ) ); |
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236 |
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237 TRAP_IGNORE( iInterface->ExecuteCmdL( |
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238 KRequestNotification, |
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239 *inParamList, |
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240 *outParamList, |
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241 KLiwOptCancel, |
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242 this ) ); |
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243 |
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244 CleanupStack::PopAndDestroy( 2, inParamList ); |
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245 } |
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246 |
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247 // End of file |