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1 /* |
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2 * Copyright (c) 2006-2006 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: Message handler context class implementation. |
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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 <s32mem.h> |
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20 |
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21 #include "CFMessageHandlerScript.h" |
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22 #include "cfcommon.h" |
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23 #include "CFScriptInterface.h" |
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24 #include "CFActionSubscriptionImpl.h" |
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25 #include "CFActionIndicationImpl.h" |
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26 #include "CFServSession.h" |
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27 #include "cftrace.h" |
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28 |
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29 CCFMessageHandlerScript* CCFMessageHandlerScript::NewL( |
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30 MCFExtendedContextInterface& aCFContext, |
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31 MCFActionInterface& aCFAction, |
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32 MCFScriptInterface& aScriptInterface ) |
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33 { |
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34 FUNC_LOG; |
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35 |
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36 CCFMessageHandlerScript* self = CCFMessageHandlerScript::NewLC( |
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37 aCFContext, |
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38 aCFAction, |
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39 aScriptInterface ); |
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40 CleanupStack::Pop( self ); |
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41 |
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42 return self; |
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43 } |
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44 |
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45 CCFMessageHandlerScript* CCFMessageHandlerScript::NewLC( |
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46 MCFExtendedContextInterface& aCFContext, |
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47 MCFActionInterface& aCFAction, |
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48 MCFScriptInterface& aScriptInterface ) |
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49 { |
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50 FUNC_LOG; |
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51 |
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52 CCFMessageHandlerScript* self = new( ELeave ) CCFMessageHandlerScript( |
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53 aCFContext, |
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54 aCFAction, |
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55 aScriptInterface ); |
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56 CleanupStack::PushL( self ); |
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57 self->ConstructL(); |
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58 |
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59 return self; |
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60 } |
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61 |
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62 CCFMessageHandlerScript::~CCFMessageHandlerScript() |
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63 { |
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64 FUNC_LOG; |
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65 |
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66 iCFScriptInterface.DeregisterScriptOwner( *this ); |
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67 if( !iMessage.IsNull() ) |
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68 { |
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69 // Complete message |
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70 iMessage.Complete( KErrCancel ); |
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71 } |
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72 iScriptIds.Close(); |
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73 } |
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74 |
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75 CCFMessageHandlerScript::CCFMessageHandlerScript( |
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76 MCFExtendedContextInterface& aCFContext, |
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77 MCFActionInterface& aCFAction, |
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78 MCFScriptInterface& aCFScriptInterface ): |
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79 CCFMessageHandlerBase( aCFContext, aCFAction, aCFScriptInterface ) |
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80 { |
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81 FUNC_LOG; |
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82 } |
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83 |
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84 void CCFMessageHandlerScript::ConstructL() |
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85 { |
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86 FUNC_LOG; |
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87 } |
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88 |
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89 // METHODS |
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90 |
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91 //----------------------------------------------------------------------------- |
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92 // CCFMessageHandlerScript::HandleMessageL |
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93 //----------------------------------------------------------------------------- |
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94 // |
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95 TBool CCFMessageHandlerScript::HandleMessageL( const RMessage2& aMessage ) |
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96 { |
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97 FUNC_LOG; |
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98 |
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99 TBool handled = ETrue; |
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100 switch( aMessage.Function() ) |
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101 { |
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102 // Slot[0] = RFs handle |
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103 // Slot[1] = RFile handle |
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104 case ERegisterScriptByName: |
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105 { |
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106 RFile scriptFile; |
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107 User::LeaveIfError( scriptFile.AdoptFromClient( aMessage, 0, 1 ) ); |
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108 CleanupClosePushL( scriptFile ); |
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109 |
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110 HBufC8* script = LoadScriptFromFile( scriptFile ); |
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111 TPtrC8 scriptPtrC( *script ); |
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112 CleanupStack::PushL( script ); |
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113 |
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114 RThread client; |
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115 aMessage.ClientL( client ); |
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116 CleanupClosePushL( client ); |
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117 |
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118 HBufC* name = HBufC::NewLC( KMaxFileName ); |
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119 TPtr namePtr( name->Des() ); |
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120 User::LeaveIfError( scriptFile.Name( namePtr ) ); |
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121 |
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122 // Register script |
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123 TInt scriptId = 0; |
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124 TInt err = RegisterScript( client, namePtr, scriptPtrC, scriptId ); |
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125 |
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126 // Clean up |
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127 CleanupStack::PopAndDestroy( name ); |
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128 CleanupStack::PopAndDestroy( &client ); |
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129 CleanupStack::PopAndDestroy( script ); |
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130 CleanupStack::PopAndDestroy( &scriptFile ); |
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131 |
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132 if( err == KErrNone ) |
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133 { |
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134 err = scriptId; |
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135 } |
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136 aMessage.Complete( err ); |
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137 break; |
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138 } |
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139 |
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140 // Slot[0] = TDesC8 - Script |
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141 // Slot[1] = TDesC - Script name |
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142 case ERegisterScriptByNameAndDesc: |
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143 { |
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144 HBufC8* script = HBufC8::NewLC( aMessage.GetDesLengthL( 0 ) ); |
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145 TPtr8 scriptPtr( script->Des() ); |
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146 aMessage.ReadL( 0, scriptPtr ); |
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147 |
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148 HBufC* name = HBufC::NewLC( aMessage.GetDesLengthL( 1 ) ); |
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149 TPtr namePtr( name->Des() ); |
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150 aMessage.ReadL( 1, namePtr ); |
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151 |
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152 RThread client; |
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153 aMessage.ClientL( client ); |
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154 CleanupClosePushL( client ); |
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155 |
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156 // Register script |
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157 TInt scriptId = 0; |
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158 TInt err = RegisterScript( client, namePtr, scriptPtr, scriptId ); |
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159 |
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160 // Clean up |
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161 CleanupStack::PopAndDestroy( &client ); |
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162 CleanupStack::PopAndDestroy( name ); |
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163 CleanupStack::PopAndDestroy( script ); |
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164 |
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165 if( err == KErrNone ) |
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166 { |
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167 err = scriptId; |
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168 } |
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169 aMessage.Complete( err ); |
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170 break; |
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171 } |
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172 |
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173 // Slot[0] = TInt - Script ID |
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174 case EDeregisterScriptById: |
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175 { |
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176 TInt scriptId = aMessage.Int0(); |
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177 |
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178 // Get handle to client process thread |
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179 RThread client; |
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180 aMessage.ClientL( client ); |
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181 CleanupClosePushL( client ); |
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182 |
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183 // Deregister script |
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184 TInt err = iCFScriptInterface.DeregisterScript( scriptId, client ); |
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185 |
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186 // Cleanup |
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187 CleanupStack::PopAndDestroy( &client ); |
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188 |
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189 // Complete message and return |
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190 aMessage.Complete( err ); |
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191 break; |
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192 } |
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193 |
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194 // Slot[0] = RFs handle |
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195 // Slot[1] = RFile handle |
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196 case ESaveScriptByName: |
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197 { |
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198 RFile scriptFile; |
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199 User::LeaveIfError( scriptFile.AdoptFromClient( aMessage, 0, 1 ) ); |
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200 CleanupClosePushL( scriptFile ); |
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201 |
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202 HBufC8* script = LoadScriptFromFile( scriptFile ); |
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203 TPtrC8 scriptPtrC( *script ); |
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204 CleanupStack::PushL( script ); |
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205 |
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206 RThread client; |
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207 aMessage.ClientL( client ); |
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208 CleanupClosePushL( client ); |
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209 |
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210 HBufC* name = HBufC::NewLC( KMaxFileName ); |
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211 TPtr namePtr( name->Des() ); |
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212 User::LeaveIfError( scriptFile.Name( namePtr ) ); |
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213 |
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214 // Register script |
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215 TInt scriptId = 0; |
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216 TInt err = RegisterScript( client, namePtr, scriptPtrC, scriptId ); |
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217 if( err == KErrNone ) |
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218 { |
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219 // Script registered - save script |
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220 err = iCFScriptInterface.SaveScript( |
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221 scriptPtrC, scriptId, client ); |
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222 if( err != KErrNone ) |
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223 { |
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224 // Script save failed - deregister script |
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225 iCFScriptInterface.DeregisterScript( scriptId, client ); |
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226 } |
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227 } |
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228 |
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229 // Clean up |
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230 CleanupStack::PopAndDestroy( name ); |
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231 CleanupStack::PopAndDestroy( &client ); |
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232 CleanupStack::PopAndDestroy( script ); |
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233 CleanupStack::PopAndDestroy( &scriptFile ); |
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234 |
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235 if( err == KErrNone ) |
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236 { |
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237 err = scriptId; |
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238 } |
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239 aMessage.Complete( err ); |
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240 break; |
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241 } |
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242 |
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243 // Slot[0] = TDesC8 - Script |
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244 // Slot[1] = TDesC - Script name |
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245 case ESaveScriptByNameAndDesc: |
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246 { |
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247 HBufC8* script = HBufC8::NewLC( aMessage.GetDesLengthL( 0 ) ); |
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248 TPtr8 scriptPtr( script->Des() ); |
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249 aMessage.ReadL( 0, scriptPtr ); |
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250 |
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251 HBufC* name = HBufC::NewLC( aMessage.GetDesLengthL( 1 ) ); |
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252 TPtr namePtr( name->Des() ); |
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253 aMessage.ReadL( 1, namePtr ); |
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254 |
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255 RThread client; |
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256 aMessage.ClientL( client ); |
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257 CleanupClosePushL( client ); |
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258 |
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259 // Register script |
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260 TInt scriptId = 0; |
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261 TInt err = RegisterScript( client, namePtr, scriptPtr, scriptId ); |
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262 if( err == KErrNone ) |
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263 { |
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264 // Register ok - save script |
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265 err = iCFScriptInterface.SaveScript( |
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266 scriptPtr, scriptId, client ); |
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267 if( err != KErrNone ) |
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268 { |
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269 // Script save failed - deregister script |
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270 iCFScriptInterface.DeregisterScript( scriptId, client ); |
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271 } |
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272 } |
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273 |
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274 // Clean up |
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275 CleanupStack::PopAndDestroy( &client ); |
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276 CleanupStack::PopAndDestroy( name ); |
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277 CleanupStack::PopAndDestroy( script ); |
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278 |
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279 if( err == KErrNone ) |
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280 { |
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281 err = scriptId; |
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282 } |
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283 aMessage.Complete( err ); |
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284 break; |
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285 } |
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286 |
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287 // Slot[0] = TDesC - Script name |
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288 case EDeleteScriptByName: |
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289 { |
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290 HBufC* scriptName = HBufC::NewLC( aMessage.GetDesLengthL( 0 ) ); |
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291 TPtr scriptNamePtr( scriptName->Des() ); |
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292 aMessage.ReadL( 0, scriptNamePtr ); |
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293 |
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294 // Get handle to client process thread |
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295 RThread client; |
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296 aMessage.ClientL( client ); |
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297 CleanupClosePushL( client ); |
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298 |
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299 // Delete script by name |
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300 TInt err = iCFScriptInterface.DeleteScript( scriptNamePtr, client ); |
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301 if( err == KErrNone ) |
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302 { |
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303 // cleanup script persistent data |
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304 iCFScriptInterface.CleanupPersistentDataByName( |
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305 scriptNamePtr, client ); |
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306 |
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307 // Delete ok - deregister script |
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308 err = iCFScriptInterface.DeregisterScript( |
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309 scriptNamePtr, client ); |
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310 } |
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311 |
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312 // Cleanup |
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313 CleanupStack::PopAndDestroy( &client ); |
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314 CleanupStack::PopAndDestroy( scriptName ); |
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315 |
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316 // Complete message and return |
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317 aMessage.Complete( err == KErrDeregisterNotNeeded ? KErrNone : err ); |
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318 break; |
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319 } |
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320 |
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321 // No params |
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322 case EDeleteScriptByUid: |
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323 { |
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324 // Get handle to client process thread |
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325 RThread client; |
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326 aMessage.ClientL( client ); |
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327 CleanupClosePushL( client ); |
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328 |
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329 // Delete scripts from the client |
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330 TInt err = iCFScriptInterface.DeleteScripts( client ); |
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331 if( err == KErrNone ) |
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332 { |
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333 // cleanup script persistent data |
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334 iCFScriptInterface.CleanupPersistentDataByUid( client ); |
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335 |
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336 // Delete ok - deregister scripts |
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337 err = iCFScriptInterface.DeregisterScripts( client ); |
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338 } |
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339 |
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340 // Cleanup |
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341 CleanupStack::PopAndDestroy( &client ); |
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342 |
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343 // Complete message and return |
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344 aMessage.Complete( err == KErrDeregisterNotNeeded ? KErrNone : err ); |
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345 break; |
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346 } |
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347 |
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348 // Slot[0] = RFs handle |
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349 // Slot[1] = RFile handle |
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350 case EUpgradeRomScriptByName: |
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351 { |
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352 RFile scriptFile; |
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353 User::LeaveIfError( scriptFile.AdoptFromClient( aMessage, 0, 1 ) ); |
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354 CleanupClosePushL( scriptFile ); |
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355 |
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356 HBufC8* script = LoadScriptFromFile( scriptFile ); |
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357 TPtrC8 scriptPtrC( *script ); |
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358 CleanupStack::PushL( script ); |
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359 |
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360 HBufC* name = HBufC::NewLC( KMaxFileName ); |
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361 TPtr namePtr( name->Des() ); |
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362 User::LeaveIfError( scriptFile.Name( namePtr ) ); |
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363 |
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364 RThread client; |
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365 aMessage.ClientL( client ); |
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366 CleanupClosePushL( client ); |
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367 |
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368 // Check if client is allowed to upgrade |
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369 TInt err = iCFScriptInterface.IsUpgradeAllowed( |
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370 namePtr, *script, client ); |
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371 if( err == KErrNone ) |
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372 { |
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373 // Upgrade script |
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374 err = UpgradeScript( namePtr, scriptPtrC ); |
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375 } |
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376 |
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377 // Clean up |
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378 CleanupStack::PopAndDestroy( &client ); |
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379 CleanupStack::PopAndDestroy( name ); |
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380 CleanupStack::PopAndDestroy( script ); |
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381 CleanupStack::PopAndDestroy( &scriptFile ); |
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382 |
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383 aMessage.Complete( err ); |
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384 break; |
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385 } |
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386 |
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387 // Slot[0] = TDesC8 - Script |
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388 // Slot[1] = TDesC - Script name |
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389 case EUpgradeRomScriptByNameAndDesc: |
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390 { |
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391 HBufC8* script = HBufC8::NewLC( aMessage.GetDesLengthL( 0 ) ); |
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392 TPtr8 scriptPtr( script->Des() ); |
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393 aMessage.ReadL( 0, scriptPtr ); |
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394 |
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395 HBufC* name = HBufC::NewLC( aMessage.GetDesLengthL( 1 ) ); |
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396 TPtr namePtr( name->Des() ); |
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397 aMessage.ReadL( 1, namePtr ); |
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398 |
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399 RThread client; |
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400 aMessage.ClientL( client ); |
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401 CleanupClosePushL( client ); |
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402 |
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403 // Check if client is allowed to upgrade |
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404 TInt err = iCFScriptInterface.IsUpgradeAllowed( |
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405 namePtr, *script, client ); |
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406 if( err == KErrNone ) |
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407 { |
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408 // Upgrade script |
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409 err = UpgradeScript( namePtr, scriptPtr ); |
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410 } |
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411 |
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412 // Clean up |
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413 CleanupStack::PopAndDestroy( &client ); |
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414 CleanupStack::PopAndDestroy( name ); |
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415 CleanupStack::PopAndDestroy( script ); |
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416 |
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417 aMessage.Complete( err ); |
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418 break; |
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419 } |
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420 |
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421 // Slot[0] = TDesC - Script name |
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422 case ERestoreRomScript: |
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423 { |
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424 // Read file name |
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425 HBufC* scriptName = HBufC::NewLC( aMessage.GetDesLengthL( 0 ) ); |
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426 TPtr scriptNamePtr( scriptName->Des() ); |
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427 aMessage.ReadL( 0, scriptNamePtr ); |
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428 |
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429 RThread mainThread; |
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430 CleanupClosePushL( mainThread ); |
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431 |
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432 // Check if the script exists |
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433 TInt err = KErrNotFound; |
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434 TInt scriptId = 0; |
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435 TBool exists = iCFScriptInterface.AlreadyExists( |
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436 scriptNamePtr, mainThread, scriptId ); |
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437 if( exists ) |
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438 { |
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439 // Get handle to the client thread |
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440 RThread client; |
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441 aMessage.ClientL( client ); |
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442 CleanupClosePushL( client ); |
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443 |
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444 // Restore script - check that client is allowed to restore |
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445 err = iCFScriptInterface.RestoreRomScript( |
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446 scriptId, client ); |
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447 if( err == KErrNone ) |
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448 { |
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449 // Delete ram script |
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450 err = iCFScriptInterface.DeleteScript( |
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451 scriptNamePtr, mainThread ); |
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452 } |
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453 CleanupStack::PopAndDestroy( &client ); |
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454 } |
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455 |
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456 // Clean up |
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457 CleanupStack::PopAndDestroy( &mainThread ); |
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458 CleanupStack::PopAndDestroy( scriptName ); |
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459 |
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460 // Complete message |
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461 aMessage.Complete( err ); |
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462 break; |
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463 } |
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464 |
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465 // Slot[0] = TDes |
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466 // Slot[1] = TInt |
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467 case EScriptNotificationStart: |
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468 { |
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469 // Check if we already have message listening active |
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470 // Client has messed up |
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471 if( !iMessage.IsNull() ) |
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472 { |
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473 // Panic client |
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474 iMessage.Panic( KPanicCatClient, |
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475 EAlreadyReceivingScriptNotification ); |
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476 } |
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477 else |
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478 { |
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479 // Store message and check if there are removed scripts notified |
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480 iMessage = aMessage; |
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481 NotifyRemovedScriptsL( iMessage ); |
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482 } |
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483 break; |
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484 } |
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485 |
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486 // No args |
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487 case EScriptNotificationCancel: |
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488 { |
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489 if( !iMessage.IsNull() ) |
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490 { |
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491 // Complete message |
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492 iMessage.Complete( KErrCancel ); |
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493 } |
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494 aMessage.Complete( KErrNone ); |
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495 break; |
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496 } |
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497 |
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498 // Slot[0] = TDes |
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499 case EGetScriptNotification: |
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500 { |
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501 // Message will be completed during the function call |
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502 NotifyRemovedScriptsL( aMessage ); |
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503 break; |
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504 } |
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505 |
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506 default: |
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507 { |
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508 // Message not handled |
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509 handled = EFalse; |
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510 break; |
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511 } |
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512 } |
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513 |
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514 return handled; |
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515 } |
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516 |
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517 //------------------------------------------------------------------------------ |
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518 // CCFMessageHandlerScript::HandleScriptsRemoved |
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519 //------------------------------------------------------------------------------ |
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520 // |
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521 void CCFMessageHandlerScript::HandleScriptsRemoved( |
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522 const RArray<TInt>& aScriptIds ) |
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523 { |
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524 FUNC_LOG; |
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525 |
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526 // Add ids in to list |
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527 for( TInt i = 0; i < aScriptIds.Count(); i++ ) |
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528 { |
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529 // Ignore errors since this can occur only due to OOM |
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530 iScriptIds.Append( aScriptIds[i] ); |
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531 } |
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532 |
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533 // Check if there is a message pending |
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534 TRAP_IGNORE( NotifyRemovedScriptsL( iMessage ) ); |
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535 } |
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536 |
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537 // ----------------------------------------------------------------------------- |
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538 // CCFMessageHandlerScript::LoadScriptFromFile |
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539 // ----------------------------------------------------------------------------- |
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540 // |
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541 HBufC8* CCFMessageHandlerScript::LoadScriptFromFile( RFile& aFile ) |
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542 { |
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543 FUNC_LOG; |
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544 |
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545 HBufC8* script = NULL; |
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546 TInt size = 0; |
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547 TInt err = aFile.Size( size ); |
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548 if( err == KErrNone ) |
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549 { |
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550 script = HBufC8::New( size ); |
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551 if( script ) |
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552 { |
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553 TPtr8 scriptPtr = script->Des(); |
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554 err = aFile.Read( scriptPtr ); |
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555 if( err == KErrNone ) |
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556 { |
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557 // Strip all unnecassary data from script |
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558 TInt pos = scriptPtr.FindF( KScriptStartTag ); |
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559 if( pos != KErrNotFound ) |
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560 { |
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561 scriptPtr.Copy( scriptPtr.MidTPtr( pos ) ); |
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562 } |
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563 else |
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564 { |
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565 // Incorrect script |
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566 delete script; |
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567 script = NULL; |
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568 } |
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569 } |
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570 else |
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571 { |
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572 delete script; |
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573 script = NULL; |
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574 } |
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575 } |
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576 } |
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577 |
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578 ERROR( err, "Failed loading script" ); |
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579 |
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580 return script; |
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581 } |
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582 |
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583 // ----------------------------------------------------------------------------- |
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584 // CCFMessageHandlerScript::RegisterScript |
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585 // ----------------------------------------------------------------------------- |
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586 // |
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587 TInt CCFMessageHandlerScript::RegisterScript( const RThread& aClient, |
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588 const TDesC& aName, |
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589 const TDesC8& aScript, |
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590 TInt& aScriptId ) |
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591 { |
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592 FUNC_LOG; |
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593 |
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594 TInt err = KErrNone; |
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595 |
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596 // Check if the client already has a script with the same name |
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597 TBool exists = iCFScriptInterface.AlreadyExists( |
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598 aName, aClient, aScriptId ); |
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599 if( exists ) |
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600 { |
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601 // Update the script |
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602 err = iCFScriptInterface.UpdateScript( |
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603 aScriptId, aClient, aScript, *this ); |
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604 } |
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605 else |
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606 { |
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607 // Register a new script |
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608 err = iCFScriptInterface.RegisterScript( |
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609 aName, aScript, aScriptId, aClient, *this ); |
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610 } |
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611 |
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612 return err; |
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613 } |
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614 |
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615 // ----------------------------------------------------------------------------- |
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616 // CCFMessageHandlerScript::UpgradeScript |
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617 // ----------------------------------------------------------------------------- |
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618 // |
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619 TInt CCFMessageHandlerScript::UpgradeScript( const TDesC& aName, |
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620 const TDesC8& aScript ) |
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621 { |
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622 FUNC_LOG; |
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623 |
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624 RThread mainThread; |
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625 TInt err = KErrNotFound; |
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626 TInt scriptId = 0; |
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627 TBool found = iCFScriptInterface.AlreadyExists( |
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628 aName, mainThread, scriptId ); |
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629 if( found ) |
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630 { |
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631 // Update script |
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632 err = iCFScriptInterface.UpdateScript( scriptId, mainThread, aScript, *this ); |
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633 if( err == KErrNone ) |
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634 { |
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635 // Script updated - save script |
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636 err = iCFScriptInterface.SaveScript( |
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637 aScript, scriptId, mainThread ); |
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638 } |
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639 } |
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640 |
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641 // Clean up |
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642 mainThread.Close(); |
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643 |
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644 return err; |
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645 } |
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646 |
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647 //------------------------------------------------------------------------------ |
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648 // CCFMessageHandlerScript::NotifyRemovedScriptsL |
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649 //------------------------------------------------------------------------------ |
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650 // |
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651 void CCFMessageHandlerScript::NotifyRemovedScriptsL( |
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652 const RMessage2& aMessage ) |
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653 { |
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654 FUNC_LOG; |
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655 |
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656 // Double check that the message is not already completed and there are |
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657 // script ids which have not yet been notified |
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658 if( !aMessage.IsNull() && iScriptIds.Count() ) |
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659 { |
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660 TInt err = KErrNone; |
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661 |
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662 // Check if the client side buffer is large enough |
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663 TInt size = 0; |
|
664 |
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665 // Count |
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666 size += sizeof( TInt ); |
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667 // Ids |
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668 for( TInt i = 0; i < iScriptIds.Count(); i++ ) |
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669 { |
|
670 size += sizeof( TInt ); |
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671 } |
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672 // Client buffer length |
|
673 TInt clientBufLen = aMessage.GetDesMaxLengthL( 0 ); |
|
674 if( clientBufLen >= size ) |
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675 { |
|
676 // Buffer large enough |
|
677 HBufC8* buf = HBufC8::NewLC( size ); |
|
678 TPtr8 bufPtr( buf->Des() ); |
|
679 RDesWriteStream write( bufPtr ); |
|
680 write.PushL(); |
|
681 |
|
682 // Write content in to the stream and then to client side buffer |
|
683 write.WriteInt16L( iScriptIds.Count() ); |
|
684 for( TInt i = 0; i < iScriptIds.Count(); i++ ) |
|
685 { |
|
686 write.WriteInt16L( iScriptIds[i] ); |
|
687 } |
|
688 write.CommitL(); |
|
689 aMessage.WriteL( 0, bufPtr ); |
|
690 |
|
691 // Clean up |
|
692 CleanupStack::PopAndDestroy( &write ); |
|
693 CleanupStack::PopAndDestroy( buf ); |
|
694 |
|
695 // Reset script ids |
|
696 iScriptIds.Reset(); |
|
697 } |
|
698 else |
|
699 { |
|
700 // Buffer too small |
|
701 err = KErrTooBig; |
|
702 TPckg<TInt> bufferSize( size ); |
|
703 aMessage.WriteL( 1, bufferSize ); |
|
704 } |
|
705 |
|
706 // Complete message |
|
707 aMessage.Complete( err ); |
|
708 } |
|
709 } |
|
710 |
|
711 // End of file |