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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include <avkon.hrh> |
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20 #include <aknnotewrappers.h> |
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21 #include <stringloader.h> |
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22 #include <HelloWorldBasic1.rsg> |
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23 #include <f32file.h> |
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24 #include <s32file.h> |
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25 |
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26 #include "HelloWorldBasic.pan" |
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27 #include "HelloWorldBasicAppUi.h" |
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28 #include "HelloWorldBasicAppView.h" |
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29 #include "HelloWorldBasic.hrh" |
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30 #include "HelloWorldBasicQueryDialog.h" |
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31 |
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32 _LIT( KHelloFileName, "Hello.txt" ); |
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33 |
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34 // ============================ MEMBER FUNCTIONS =============================== |
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35 |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CHelloWorldBasicAppUi::ConstructL() |
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39 // Symbian 2nd phase constructor can leave. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 void CHelloWorldBasicAppUi::ConstructL() |
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43 { |
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44 // Initialise app UI with standard value. |
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45 BaseConstructL(CAknAppUi::EAknEnableSkin); |
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46 |
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47 // Here the Hello.txt file is created. Because HelloWorld application is |
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48 // localized to various languages, the Hello.txt-file is created every time |
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49 // with current localization language |
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50 // |
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51 RFs fsSession; |
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52 User::LeaveIfError(fsSession.Connect()); |
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53 CleanupClosePushL( fsSession ); |
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54 TInt objectsInStack = 1; |
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55 |
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56 #if defined(__WINS__) || defined(__WINSCW__) |
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57 // create private folder, when testing in emulator. |
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58 // ignore the return value; if this fails, then file.Replace() will fail |
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59 // and a warning note will be printed. |
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60 // |
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61 fsSession.CreatePrivatePath(EDriveC); |
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62 #endif |
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63 |
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64 RFile file; |
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65 |
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66 // Create a file to write the text to |
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67 TInt err = file.Replace(fsSession, KHelloFileName, EFileWrite ); |
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68 if (KErrNone == err) |
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69 { |
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70 CleanupClosePushL( file ); |
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71 |
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72 RFileWriteStream outputFileStream( file ); |
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73 CleanupClosePushL( outputFileStream ); |
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74 |
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75 // Load a string from the resource file and stream it to file |
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76 HBufC* textResource = StringLoader::LoadLC( R_HEWB_FILE_TEXT ); |
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77 objectsInStack += 3; // file, outputFileStream, testResource |
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78 |
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79 outputFileStream << *textResource; |
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80 } |
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81 else |
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82 { |
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83 _LIT(KFileWriteFailed,"Writing file %S failed: error %d"); |
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84 CAknWarningNote* note = new ( ELeave ) CAknWarningNote(ETrue); |
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85 |
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86 TBuf<64> text; |
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87 text.Format(KFileWriteFailed, &KHelloFileName, err); |
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88 note->ExecuteLD( text ); |
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89 } |
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90 |
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91 CleanupStack::PopAndDestroy(objectsInStack, &fsSession); |
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92 |
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93 // Create view object |
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94 iAppView = CHelloWorldBasicAppView::NewL( ClientRect() ); |
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95 RProcess::Rendezvous(KErrNone); |
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96 |
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97 } |
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98 // ----------------------------------------------------------------------------- |
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99 // CHelloWorldBasicAppUi::CHelloWorldBasicAppUi() |
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100 // C++ default constructor can NOT contain any code, that might leave. |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 CHelloWorldBasicAppUi::CHelloWorldBasicAppUi() |
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104 { |
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105 // No implementation required |
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106 } |
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107 |
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108 // ----------------------------------------------------------------------------- |
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109 // CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi() |
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110 // Destructor. |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi() |
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114 { |
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115 if ( iAppView ) |
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116 { |
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117 delete iAppView; |
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118 iAppView = NULL; |
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119 } |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CHelloWorldBasicAppUi::HandleCommandL() |
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124 // Takes care of command handling. |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CHelloWorldBasicAppUi::HandleCommandL( TInt aCommand ) |
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128 { |
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129 // clear possible old user-given text |
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130 if (iAppView->GetText().Size() > 0) |
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131 { |
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132 iAppView->GetText().Zero(); |
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133 iAppView->DrawNow(); |
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134 } |
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135 |
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136 switch( aCommand ) |
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137 { |
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138 case EEikCmdExit: |
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139 case EAknSoftkeyExit: |
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140 Exit(); |
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141 break; |
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142 |
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143 case EHelloWorldBasicCommand1: |
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144 { |
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145 // Load a string from the resource file and display it |
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146 HBufC* textResource = StringLoader::LoadLC( R_HEWB_COMMAND1_TEXT ); |
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147 CAknInformationNote* note = new ( ELeave ) CAknInformationNote; |
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148 |
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149 // Show the information Note with |
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150 // textResource loaded with StringLoader. |
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151 note->ExecuteLD( *textResource ); |
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152 |
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153 // Pop HBuf from CleanUpStack and Destroy it. |
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154 CleanupStack::PopAndDestroy( textResource ); |
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155 } |
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156 break; |
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157 |
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158 case EHelloWorldBasicCommand2: |
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159 { |
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160 RFs fsSession; |
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161 RFile rFile; |
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162 |
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163 // Connects a client process to the fileserver |
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164 User::LeaveIfError(fsSession.Connect()); |
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165 CleanupClosePushL(fsSession); |
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166 |
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167 //Open file where the stream text is |
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168 User::LeaveIfError(rFile.Open(fsSession,KHelloFileName, EFileStreamText)); |
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169 CleanupClosePushL(rFile); |
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170 |
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171 // copy stream from file to RFileStream object |
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172 RFileReadStream inputFileStream(rFile); |
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173 CleanupClosePushL(inputFileStream); |
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174 |
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175 // HBufC descriptor is created from the RFileStream object. |
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176 HBufC* fileData = HBufC::NewLC(inputFileStream, 32); |
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177 |
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178 CAknInformationNote* note = new ( ELeave ) CAknInformationNote; |
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179 |
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180 // Show the information Note |
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181 note->ExecuteLD( *fileData ); |
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182 |
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183 // Pop loaded resources from the cleanup stack: |
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184 // filedata, inputFileStream, rFile, fsSession |
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185 CleanupStack::PopAndDestroy(4, &fsSession); |
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186 } |
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187 break; |
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188 |
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189 case EHelloWorldBasicCommand3: |
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190 { |
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191 // Load a string from the resources and use it as a default value |
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192 HBufC* defaultText = StringLoader::LoadLC( R_HEWB_FILE_TEXT ); |
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193 |
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194 CHelloWorldQueryDialog *dlg = new (ELeave) |
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195 CHelloWorldQueryDialog( iAppView->GetText(), defaultText ); |
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196 |
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197 dlg->ExecuteLD( R_DIALOG_TEXT_EDIT_QUERY ); |
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198 iAppView->DrawNow(); |
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199 |
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200 // Pop HBuf from CleanUpStack and Destroy it. |
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201 CleanupStack::PopAndDestroy( defaultText ); |
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202 } |
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203 break; |
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204 |
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205 default: |
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206 break; |
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207 } |
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208 } |
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209 // ----------------------------------------------------------------------------- |
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210 // Called by framework when layout is changed. |
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211 // Passes the new client rectangle to the AppView |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 void CHelloWorldBasicAppUi::HandleResourceChangeL( TInt aType ) |
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215 { |
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216 // base-class call also |
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217 CAknAppUi::HandleResourceChangeL(aType); |
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218 if (aType == KEikDynamicLayoutVariantSwitch) |
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219 { |
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220 if (iAppView) |
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221 iAppView->SetRect( ClientRect() ); |
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222 } |
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223 } |
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224 |
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225 // End of File |
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226 |