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1 /* |
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2 * Copyright (c) 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: Implements an observer to CPS |
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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 FILES |
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20 #include <LiwCommon.h> |
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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 |
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25 #include "cpsobserver.h" |
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26 #include "cpswrapper.h" |
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27 #include "cpsconst.h" |
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28 |
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29 namespace cpswrapper |
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30 { |
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31 |
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32 // ============================================================================= |
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33 // -------------------------------------------------------------------------- |
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34 // Cleanup utility for RPointerArray |
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35 // -------------------------------------------------------------------------- |
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36 // |
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37 static void DoCleanup( TAny* aPtr ) |
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38 { |
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39 __ASSERT_DEBUG( aPtr, User::Invariant() ); |
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40 static_cast< RCriteriaArray* >( aPtr )->ResetAndDestroy(); |
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41 } |
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42 |
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43 // ============================ MEMBER FUNCTIONS ============================== |
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44 |
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45 // ---------------------------------------------------------------------------- |
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46 // Constructor |
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47 // ---------------------------------------------------------------------------- |
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48 // |
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49 CCpsObserver::CCpsObserver( CCpsWrapper* aCpsWrapper ) |
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50 : iCpsWrapper( aCpsWrapper ) |
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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 // Two-phased constructor. |
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56 // ---------------------------------------------------------------------------- |
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57 // |
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58 CCpsObserver* CCpsObserver::NewLC( CCpsWrapper* aCpsWrapper ) |
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59 { |
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60 CCpsObserver* self( |
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61 new( ELeave ) CCpsObserver( aCpsWrapper ) ); |
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62 |
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63 CleanupStack::PushL( self ); |
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64 self->ConstructL(); |
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65 return self; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Destructor |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CCpsObserver::~CCpsObserver() |
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73 { |
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74 ReleaseL(); |
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75 ReleaseLiw(); |
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76 } |
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77 |
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78 // ---------------------------------------------------------------------------- |
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79 // Symbian 2nd phase constructor can leave. |
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80 // ---------------------------------------------------------------------------- |
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81 // |
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82 void CCpsObserver::ConstructL() |
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83 { |
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84 InitLiwL(); |
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85 } |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // CCpsObserver::HandleNotifyL |
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89 // |
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90 // Handles Published content notification |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 TInt CCpsObserver::HandleNotifyL( |
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94 TInt /*aErrorCode */, |
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95 TInt /*aEventId*/, |
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96 CLiwGenericParamList& aEventParamList, |
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97 const CLiwGenericParamList& /*aInParamList*/ ) |
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98 { |
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99 TInt pos( 0 ); |
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100 |
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101 aEventParamList.FindFirst( pos, KChangeInfo ); |
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102 |
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103 if ( pos != KErrNotFound ) |
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104 { |
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105 // Get list of maps |
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106 TLiwVariant variant( (aEventParamList)[pos].Value() ); |
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107 variant.PushL(); |
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108 |
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109 const CLiwList* changeMapsList( variant.AsList() ); |
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110 |
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111 // Iter through list content |
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112 for ( TInt i = 0; i < changeMapsList->Count(); ++i ) |
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113 { |
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114 TLiwVariant changeMap; |
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115 changeMap.PushL(); |
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116 if ( changeMapsList->AtL( i, changeMap ) ) |
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117 { |
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118 const CLiwMap* map = changeMap.AsMap(); |
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119 |
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120 if ( map->FindL( KContentType, changeMap ) ) |
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121 { |
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122 HBufC* publisher = NULL; |
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123 HBufC* contentType = NULL; |
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124 |
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125 contentType = changeMap.AsDes().AllocLC(); |
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126 if ( KHSTemplate() == contentType && |
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127 map->FindL( KPublisher, changeMap ) ) |
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128 { |
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129 publisher = changeMap.AsDes().AllocLC(); |
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130 |
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131 if ( map->FindL( KOperation, changeMap ) ) |
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132 { |
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133 HBufC* operation = changeMap.AsDes().AllocLC(); |
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134 |
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135 // unregitered publisher's widget |
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136 // from home screen if exist or add |
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137 // new widget to widgetmanager |
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138 iCpsWrapper->HandleChangedPublisherL( *publisher, |
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139 *operation ); |
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140 CleanupStack::PopAndDestroy( operation ); |
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141 } |
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142 CleanupStack::PopAndDestroy( publisher ); |
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143 } |
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144 else if( KWRTTemplate() == contentType && |
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145 map->FindL( KContentId, changeMap ) ) |
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146 { |
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147 publisher = changeMap.AsDes().AllocLC(); |
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148 if ( map->FindL( KOperation, changeMap ) ) |
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149 { |
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150 HBufC* operation = changeMap.AsDes().AllocLC(); |
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151 |
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152 // unregitered publisher's widget |
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153 // from home screen if exist or add |
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154 // new widget to widgetmanager |
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155 iCpsWrapper->HandleChangedPublisherL( *publisher, |
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156 *operation ); |
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157 CleanupStack::PopAndDestroy( operation ); |
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158 } |
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159 CleanupStack::PopAndDestroy( publisher ); |
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160 } |
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161 CleanupStack::PopAndDestroy( contentType ); |
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162 } |
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163 } |
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164 CleanupStack::PopAndDestroy( &changeMap ); |
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165 } |
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166 |
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167 CleanupStack::PopAndDestroy( &variant ); |
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168 } |
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169 return KErrNone; |
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170 } |
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171 |
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172 // --------------------------------------------------------------------------- |
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173 // CCpsObserver::RegisterL |
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174 // |
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175 // Register for notifications |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 void CCpsObserver::RegisterL( CLiwDefaultMap* aFilter, const TDesC& aRegistry ) |
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179 { |
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180 CLiwGenericParamList* inParamList( CLiwGenericParamList::NewLC() ); |
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181 CLiwGenericParamList* outParamList( CLiwGenericParamList::NewLC() ); |
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182 |
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183 // Fill in input list for RequestNotification command |
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184 inParamList->AppendL(TLiwGenericParam(KType,TLiwVariant( aRegistry ))); |
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185 inParamList->AppendL(TLiwGenericParam(KFilter ,TLiwVariant( aFilter ))); |
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186 |
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187 iInterface->ExecuteCmdL( KRequestNotification, *inParamList, |
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188 *outParamList, 0, this ); |
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189 |
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190 CleanupStack::PopAndDestroy( outParamList ); |
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191 CleanupStack::PopAndDestroy( inParamList ); |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // CCpsObserver::ReleaseL |
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196 // |
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197 // Sing off to notification |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 void CCpsObserver::ReleaseL() |
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201 { |
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202 if( iInterface ) |
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203 { |
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204 CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL(); |
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205 CleanupStack::PushL( inParamList ); |
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206 CLiwGenericParamList* outParamList = CLiwGenericParamList::NewL(); |
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207 CleanupStack::PushL( outParamList ); |
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208 |
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209 iInterface->ExecuteCmdL( KRequestNotification, *inParamList, *outParamList, |
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210 KLiwOptCancel, this ); |
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211 |
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212 CleanupStack::PopAndDestroy( outParamList ); |
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213 CleanupStack::PopAndDestroy( inParamList ); |
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214 } |
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215 } |
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216 |
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217 |
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218 // ------------------------------------------------------------------------ |
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219 // CCpsObserver::InitLiwL |
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220 // |
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221 // Init LIW interface. |
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222 // ------------------------------------------------------------------------ |
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223 void CCpsObserver::InitLiwL() |
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224 { |
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225 if ( !iLiwHandler ) |
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226 { |
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227 TInt error( KErrNone ); |
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228 CLiwGenericParamList* in( NULL ); |
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229 CLiwGenericParamList* out( NULL ); |
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230 CLiwCriteriaItem* criterion( NULL ); |
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231 |
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232 RCriteriaArray array( 1 ); |
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233 TCleanupItem cleanup( DoCleanup, &array ); |
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234 CleanupStack::PushL( cleanup ); |
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235 |
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236 // Do the basic initialization. |
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237 iLiwHandler = CLiwServiceHandler::NewL(); |
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238 |
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239 // Get iCPSIface. |
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240 in = CLiwGenericParamList::NewLC(); |
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241 out = CLiwGenericParamList::NewLC(); |
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242 |
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243 criterion = CLiwCriteriaItem::NewL( |
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244 KLiwCmdAsStr, |
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245 KCPSConfigurationIf, |
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246 KCPS ); |
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247 |
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248 error = array.Append( criterion ); |
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249 if ( error ) |
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250 { |
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251 delete criterion; |
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252 criterion = NULL; |
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253 User::Leave( error ); |
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254 } |
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255 |
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256 criterion->SetServiceClass( TUid::Uid( KLiwClassBase ) ); |
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257 |
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258 iLiwHandler->AttachL( array ); |
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259 iLiwHandler->ExecuteServiceCmdL( *criterion, *in, *out ); |
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260 |
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261 out->FindFirst( error, KCPSConfigurationIf ); |
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262 User::LeaveIfError( error ); |
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263 |
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264 iInterface = (*out)[ error ].Value().AsInterface(); |
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265 |
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266 CleanupStack::PopAndDestroy( 3 ); |
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267 } |
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268 } |
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269 |
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270 // --------------------------------------------------------------------------- |
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271 // CCpsObserver::ReleaseLiw |
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272 // --------------------------------------------------------------------------- |
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273 // |
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274 void CCpsObserver::ReleaseLiw() |
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275 { |
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276 if ( iInterface ) |
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277 { |
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278 iInterface->Close(); |
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279 iInterface = NULL; |
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280 } |
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281 |
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282 delete iLiwHandler; |
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283 iLiwHandler = NULL; |
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284 } |
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285 } |
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286 // End of File |
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287 |