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1 /* |
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2 ============================================================================ |
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3 Name : NPRAppEngine.cpp |
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4 Author : Symsourcce |
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5 |
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6 Copyright (c) 2009 Symbian Foundation Ltd |
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7 This component and the accompanying materials are made available |
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8 under the terms of the License "Eclipse Public License v1.0" |
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9 which accompanies this distribution, and is available |
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10 at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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11 |
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12 Initial Contributors: |
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13 - Symsource |
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14 |
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15 Contributors: |
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16 - Symsource |
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17 |
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18 Description : |
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19 ============================================================================ |
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20 */ |
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21 |
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22 #include <DocumentHandler.h> |
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23 #include <aknwaitdialog.h> |
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24 #include <NPR_0xEEB0E481.rsg> |
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25 |
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26 #include "NPRAppEngine.h" |
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27 #include "NPRAppUi.h" |
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28 #include "NPRStationXmlParser.h" |
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29 #include "NPRStation.h" |
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30 #include "NPRStory.h" |
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31 |
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32 _LIT(KNPRQuery, "http://api.npr.org/query?id=1001&apiKey=MDAzNTk1Nzk0MDEyNDQ2NjI1NzgyNGExNg001"); |
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33 _LIT(KNPRApiKey, "MDAzNTk1Nzk0MDEyNDQ2NjI1NzgyNGExNg001"); |
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34 _LIT(KNPRStationQuery,"http://api.npr.org/stations?%S&apiKey=%S"); |
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35 _LIT(KSearching, "Searching..."); |
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36 |
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37 _LIT(KStationStreamFile, "c:\\data\\npr_station_stream.rm"); |
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38 _LIT(KNewsStreamFile, "c:\\data\\npr_news_stream.rm"); |
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39 |
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40 _LIT8(KDataTypeRAM,"audio/x-pn-realaudio-plugin"); |
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41 _LIT8(KXmlMimeType, "text/xml"); |
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42 |
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43 |
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44 CNPRAppEngine* CNPRAppEngine::NewL(CNPRAppUi& aNPRAppUi) |
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45 { |
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46 CNPRAppEngine* self = new (ELeave) CNPRAppEngine(aNPRAppUi); |
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47 CleanupStack::PushL(self); |
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48 self->ConstructL(); |
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49 CleanupStack::Pop(self); |
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50 return self; |
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51 } |
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52 |
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53 CNPRAppEngine::CNPRAppEngine(CNPRAppUi& aNPRAppUi) |
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54 :iNPRAppUi(aNPRAppUi) |
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55 { |
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56 } |
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57 |
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58 CNPRAppEngine::~CNPRAppEngine() |
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59 { |
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60 delete iDocHandler; |
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61 delete iHttp; |
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62 iStationArray.ResetAndDestroy(); |
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63 iStationArray.Close(); |
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64 iStoryArray.ResetAndDestroy(); |
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65 iStoryArray.Close(); |
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66 if(iWaitDialog) |
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67 { |
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68 delete iWaitDialog; |
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69 iWaitDialog = NULL; |
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70 } |
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71 } |
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72 |
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73 void CNPRAppEngine::ConstructL() |
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74 { |
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75 this->iHttp = CHttpClient::NewL(*this); |
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76 // Create the document handler |
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77 iDocHandler = CDocumentHandler::NewL(CEikonEnv::Static()->Process()); |
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78 } |
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79 |
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80 |
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81 void CNPRAppEngine::SendNPRCommandL(const TNPRCommands aCommand, const TDesC& aField) |
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82 { |
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83 switch(aCommand) |
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84 { |
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85 case ENewsCmd: |
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86 { |
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87 SearchNewsL(aField); |
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88 ShowWaitingDialogL(KSearching()); |
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89 break; |
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90 } |
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91 case EStationsCmd: |
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92 { |
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93 SearchStationsL(aField); |
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94 ShowWaitingDialogL(KSearching()); |
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95 break; |
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96 } |
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97 case EPlayStationStream: |
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98 { |
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99 TFileName filename(KStationStreamFile); |
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100 LaunchFileL(filename); |
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101 break; |
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102 } |
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103 case EPlayNewsStream: |
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104 { |
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105 TFileName filename(KNewsStreamFile); |
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106 LaunchFileL(filename); |
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107 break; |
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108 } |
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109 default: |
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110 return; |
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111 } |
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112 } |
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113 |
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114 const RPointerArray<CNPRStation>* CNPRAppEngine::Stations() |
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115 { |
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116 return &iStationArray; |
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117 } |
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118 |
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119 const RPointerArray<CNPRStory>* CNPRAppEngine::Stories() |
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120 { |
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121 return &iStoryArray; |
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122 } |
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123 |
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124 void CNPRAppEngine::SearchStationsL(const TDesC& aField) |
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125 { |
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126 HBufC *uri = HBufC::NewLC(KNPRStationQuery().Length() |
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127 + aField.Length() |
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128 + KNPRApiKey().Length() |
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129 ); |
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130 TPtr uriPtr = uri->Des(); |
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131 uriPtr.Format(KNPRStationQuery,&aField, &KNPRApiKey()); |
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132 iHttp->SendRequestL(uriPtr); |
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133 CleanupStack::PopAndDestroy(uri); |
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134 iNPRCommand = EStationsCmd; |
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135 } |
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136 |
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137 void CNPRAppEngine::SearchNewsL(const TDesC& /*aField*/) |
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138 { |
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139 iHttp->SendRequestL(KNPRQuery()); |
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140 iNPRCommand = ENewsCmd; |
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141 } |
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142 |
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143 void CNPRAppEngine::ResponseStatusL(TInt /*aStatusCode*/, const TDesC& /*aStatusText*/) |
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144 { |
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145 DismissWaitingDialogL(); |
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146 } |
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147 |
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148 void CNPRAppEngine::ResponseReceivedL(const TDesC8& aResponseBuffer) |
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149 { |
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150 switch(iNPRCommand) |
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151 { |
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152 case ENewsCmd: |
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153 { |
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154 iStoryArray.ResetAndDestroy(); |
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155 CNPRStoryXmlParser* newsParser = CNPRStoryXmlParser::NewLC(&iStoryArray); |
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156 CParser* parser = CParser::NewLC(KXmlMimeType, *newsParser); |
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157 parser->ParseL(aResponseBuffer); |
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158 CleanupStack::PopAndDestroy(parser); |
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159 CleanupStack::PopAndDestroy(newsParser); |
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160 iNPRAppUi.ActivateLocalViewL(TUid::Uid(ENPRStoryListBoxViewId)); |
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161 break; |
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162 } |
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163 case EStationsCmd: |
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164 { |
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165 DismissWaitingDialogL(); |
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166 iStationArray.ResetAndDestroy(); |
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167 CNPRStationXmlParser* stationParser = CNPRStationXmlParser::NewLC(&iStationArray); |
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168 CParser* parser = CParser::NewLC(KXmlMimeType, *stationParser); |
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169 parser->ParseL(aResponseBuffer); |
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170 CleanupStack::PopAndDestroy(parser); |
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171 CleanupStack::PopAndDestroy(stationParser); |
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172 iNPRAppUi.ActivateLocalViewL(TUid::Uid(ENPRStationListBoxViewId)); |
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173 break; |
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174 } |
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175 default: |
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176 DismissWaitingDialogL(); |
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177 break; |
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178 } |
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179 } |
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180 |
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181 void CNPRAppEngine::LaunchFileL(const TDesC& aFilename) |
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182 { |
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183 TDataType dataType = TDataType(KDataTypeRAM()); |
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184 // Open a file in a standalone handler application |
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185 TRAPD(err,iDocHandler->OpenFileL(aFilename, dataType)); |
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186 |
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187 TUid handlerUid; |
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188 err = iDocHandler->HandlerAppUid(handlerUid); |
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189 if (!err) |
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190 { |
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191 RefreshDocumentFileL(handlerUid, aFilename); |
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192 } |
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193 } |
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194 |
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195 /** |
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196 * Refreshes the file opened in a standalone handler. Does nothing if the file |
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197 * has not been already opened. |
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198 */ |
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199 void CNPRAppEngine::RefreshDocumentFileL(const TUid& aUid, const TDesC& aFileName) |
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200 { |
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201 TApaTaskList taskList(CEikonEnv::Static()->WsSession()); |
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202 TApaTask task = taskList.FindApp(aUid); |
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203 |
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204 // If the standalone handler is already running, then update the file |
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205 if (task.Exists()) |
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206 { |
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207 User::LeaveIfError(task.SwitchOpenFile(aFileName)); |
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208 } |
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209 } |
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210 |
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211 void CNPRAppEngine::ShowWaitingDialogL(const TDesC& aText) |
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212 { |
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213 DismissWaitingDialogL(); |
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214 iWaitDialog = new(ELeave)CAknWaitDialog((REINTERPRET_CAST(CEikDialog**,&iWaitDialog)), EFalse ); |
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215 iWaitDialog->SetTextL(aText); |
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216 iWaitDialog->ExecuteLD(R_SINGULAR_WAIT_NOTE); |
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217 } |
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218 |
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219 void CNPRAppEngine::DismissWaitingDialogL() |
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220 { |
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221 if(iWaitDialog) |
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222 { |
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223 iWaitDialog->ProcessFinishedL(); |
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224 iWaitDialog=NULL; |
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225 } |
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226 } |