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1 /* |
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2 * Copyright (c) 2007-2007 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: Observer for Phonebook AIW services. |
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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 "tphcntaiwserviceobserver.h" |
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20 #include "mphcntservicerequestparam.h" |
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21 #include "mphcntserviceresult.h" |
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22 |
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23 // Phonebook2 AIW service constants |
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24 const TInt KServiceTermiationAllowed = 0; |
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25 const TInt KProcessTerminationAllowed = 1; |
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26 |
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27 // Phone Process Uid. |
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28 const TInt KPhoneProcess = 0x100058B3; |
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29 const TBool KDoNotAllowProcessTermination = EFalse; |
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30 const TBool KAllowProcessTermination = ETrue; |
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31 |
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32 // ======== MEMBER FUNCTIONS ======== |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // Constructor |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 TPhCntAiwServiceObserver::TPhCntAiwServiceObserver( |
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39 MPhCntAiwServiceCompleteObserver& aObserver) : |
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40 iResult( NULL ), |
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41 iParams( NULL ), |
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42 iObserver( aObserver ), |
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43 iAiwServiceShuttingDown( EFalse ) |
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44 { |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // Sets params and result |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 void TPhCntAiwServiceObserver::SetRequestAndResult( |
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52 MPhCntServiceRequestParam* aParams, |
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53 MPhCntServiceResult* aResult ) |
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54 { |
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55 iParams = aParams; |
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56 iResult = aResult; |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // From MAiwNotifyCallback |
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61 // Handles the Phonebooks AIW callbacks. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 TInt TPhCntAiwServiceObserver::HandleNotifyL( |
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65 TInt aCmdId, |
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66 TInt aEventId, |
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67 CAiwGenericParamList& aEventParamList, |
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68 const CAiwGenericParamList& /*aInParamList*/ ) |
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69 { |
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70 TInt response = KErrNone; |
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71 if( iResult && iParams ) |
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72 { |
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73 if( aCmdId == iParams->Command() ) |
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74 { |
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75 switch( aEventId ) |
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76 { |
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77 // User canceled the service. |
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78 case KAiwEventCanceled: |
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79 // if AIW service is shutting down (ie user has pressed end key), |
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80 // do not indicate that response has received yet, because |
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81 // we still have to wait KAiwEventQueryExit. |
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82 if( !iAiwServiceShuttingDown ) |
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83 { |
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84 ResponseReceived( KErrCancel ); |
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85 } |
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86 break; |
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87 |
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88 // Service provider had an internal error. |
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89 case KAiwEventError: |
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90 ResponseReceived( ParseErrorCode( aEventParamList ) ); |
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91 break; |
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92 |
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93 // Service provider stopped from some reason. |
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94 case KAiwEventStopped: |
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95 ResponseReceived( KErrGeneral ); |
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96 break; |
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97 |
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98 case KAiwEventCompleted: |
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99 iResult->ParseResult( aEventParamList ); |
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100 ResponseReceived( KErrNone ); |
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101 break; |
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102 |
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103 // We are not interested to check the client selection. |
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104 case KAiwEventOutParamCheck: |
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105 response = ETrue; |
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106 break; |
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107 |
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108 |
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109 // QUERY EXIT is three phase operation. |
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110 // First time when KAiwEventQueryExit comes, Phonebook AIW service |
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111 // provider is asking if service is allowed to be terminated (KServiceTermiationAllowed). |
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112 // After that service request is completed with event KAiwEventCanceled. |
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113 // Last phase is KAiwEventQueryExit event with query to allow process termination |
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114 // (KProcessTerminationAllowed). |
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115 case KAiwEventQueryExit: |
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116 |
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117 TInt queryType; |
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118 if( !FindFirstTInt32Value( |
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119 aEventParamList, EGenericParamApplication, queryType ) ) |
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120 { |
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121 if( queryType == KServiceTermiationAllowed ) |
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122 { |
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123 // AIW service is always allowed to exit. After this |
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124 // AIW service provider cancels the outstanding |
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125 // request with event KAiwEventCanceled. |
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126 response = iAiwServiceShuttingDown = ETrue; |
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127 } |
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128 else if( queryType == KProcessTerminationAllowed ) |
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129 { |
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130 if ( RunningInPhoneAppProcess() ) |
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131 { |
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132 // Phone app process is not allowed to be |
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133 // terminated. |
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134 response = KDoNotAllowProcessTermination; |
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135 } |
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136 else |
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137 { |
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138 response = KAllowProcessTermination; |
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139 } |
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140 ResponseReceived( KErrCancel ); |
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141 } |
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142 } |
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143 break; |
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144 |
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145 // Other events are not handled and we wait for |
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146 // next event. |
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147 default: |
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148 break; |
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149 } |
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150 } |
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151 } |
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152 |
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153 return response; |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // Takes error code from generic param list. |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 TInt TPhCntAiwServiceObserver::ParseErrorCode( |
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161 const CAiwGenericParamList& aEventParamList ) |
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162 { |
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163 TInt errorValue = KErrGeneral; |
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164 FindFirstTInt32Value( aEventParamList, EGenericParamError, errorValue ); |
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165 return errorValue; |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // Takes integer value from aEventParamList. |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 TInt TPhCntAiwServiceObserver::FindFirstTInt32Value( |
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173 const CAiwGenericParamList& aEventParamList, |
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174 TGenericParamId aParameterId, |
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175 TInt& aValue ) const |
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176 { |
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177 TInt err( KErrNotFound ); |
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178 TInt index( 0 ); |
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179 const TAiwGenericParam* param = |
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180 aEventParamList.FindFirst( index, aParameterId ); |
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181 if ( index != KErrNotFound && param ) |
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182 { |
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183 aValue = param->Value().AsTInt32(); |
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184 err = KErrNone; |
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185 } |
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186 return err; |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // Notifies observer. |
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191 // --------------------------------------------------------------------------- |
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192 // |
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193 void TPhCntAiwServiceObserver::ResponseReceived( TInt aError ) |
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194 { |
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195 iObserver.ServiceRequestComplete( aError ); |
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196 iResult = NULL; |
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197 iParams = NULL; |
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198 iAiwServiceShuttingDown = EFalse; |
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199 } |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // Checks if running in phone process. The handling of KAiwEventQueryExit |
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203 // is done differently if running in phone process. |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 TBool TPhCntAiwServiceObserver::RunningInPhoneAppProcess() const |
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207 { |
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208 RProcess currentProcess; |
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209 TBool phoneProcess( EFalse ); |
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210 TUid processID = currentProcess.Identity(); |
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211 if ( processID.iUid == KPhoneProcess ) |
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212 { |
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213 phoneProcess = ETrue; |
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214 } |
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215 return phoneProcess; |
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216 } |
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217 |