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1 /* |
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2 * Copyright (c) 2002 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 * It implements the class CDosMtcExample. |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include "DsyMtc.h" |
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21 #include "DsyDebug.h" |
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22 #include <f32file.h> |
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23 |
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24 _LIT( KExampleDSYMTCStateFlagFile, "KExampleDSYMTCStateFlagFile.dat"); |
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25 |
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26 |
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27 // |
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28 // --------------------------------------------------------- |
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29 // CDosMtcExample::NewL |
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30 // --------------------------------------------------------- |
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31 // |
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32 CDosMtcExample* CDosMtcExample::NewL() |
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33 { |
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34 FLOG(_L("CDosMtcExample::NewL()")); |
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35 |
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36 CDosMtcExample* result = new (ELeave) CDosMtcExample; |
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37 |
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38 CleanupStack::PushL(result); |
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39 result->ConstructL(); |
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40 CleanupStack::Pop(); |
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41 |
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42 return result; |
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43 } |
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44 |
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45 |
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46 // |
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47 // --------------------------------------------------------- |
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48 // CDosMtcExample::ConstructL |
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49 // --------------------------------------------------------- |
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50 // |
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51 void CDosMtcExample::ConstructL() |
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52 { |
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53 FLOG(_L("CDosMtcExample::ConstructL()")); |
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54 } |
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55 |
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56 // |
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57 // --------------------------------------------------------- |
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58 // CDosMtcExample::PowerOnL |
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59 // --------------------------------------------------------- |
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60 // |
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61 TInt CDosMtcExample::PowerOnL() |
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62 { |
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63 FLOG(_L("CDosMtcExample::PowerOnL()")); |
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64 |
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65 return KErrNone; |
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66 } |
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67 |
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68 |
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69 // |
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70 // --------------------------------------------------------- |
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71 // CDosMtcExample::PowerOffL |
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72 // --------------------------------------------------------- |
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73 // |
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74 TInt CDosMtcExample::PowerOffL() |
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75 { |
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76 FLOG(_L("CDosMtcExample::PowerOffL()")); |
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77 |
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78 return KErrNone; |
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79 } |
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80 |
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81 |
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82 // |
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83 // --------------------------------------------------------- |
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84 // CDosMtcExample::DosSyncL |
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85 // --------------------------------------------------------- |
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86 // |
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87 TInt CDosMtcExample::DosSyncL() |
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88 { |
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89 FLOG(_L("CDosMtcExample::DosSyncL()")); |
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90 |
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91 return KErrNone; |
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92 } |
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93 |
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94 |
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95 // |
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96 // --------------------------------------------------------- |
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97 // CDosMtcExample::ResetGenerateL |
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98 // --------------------------------------------------------- |
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99 // |
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100 TInt CDosMtcExample::ResetGenerateL() |
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101 { |
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102 FLOG(_L("CDosMtcExample::ResetGenerateL()")); |
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103 |
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104 return KErrNone; |
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105 } |
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106 |
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107 // |
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108 // --------------------------------------------------------- |
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109 // CDosMtcExample::SetStateL |
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110 // --------------------------------------------------------- |
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111 // |
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112 TInt CDosMtcExample::SetStateL(const TInt /*aStateType*/) |
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113 { |
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114 FLOG(_L("CDosMtcExample::SetStateL()")); |
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115 |
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116 return KErrNone; |
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117 } |
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118 |
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119 // |
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120 // --------------------------------------------------------- |
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121 // CDosMtcExample::SetStateFlagL |
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122 // --------------------------------------------------------- |
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123 // |
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124 |
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125 TInt CDosMtcExample::SetStateFlagL(const TDosStateFlag aFlag) |
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126 { |
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127 FLOG(_L("CDosMtcExample::SetStateFlagL() - Write state to disk")); |
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128 |
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129 RFs fsSession; |
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130 TInt err = fsSession.Connect(); |
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131 |
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132 if ( err == KErrNone ) |
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133 { |
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134 RFile file; |
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135 err = file.Open( fsSession, KExampleDSYMTCStateFlagFile, EFileWrite); |
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136 |
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137 if ( err == KErrNotFound) // file does not exist - create it |
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138 { |
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139 err = file.Create( fsSession, KExampleDSYMTCStateFlagFile, EFileWrite); |
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140 FLOG(_L("CDosMtcExample::SetStateFlagL() - file doesn't exist, create file")); |
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141 } |
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142 |
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143 if ( err == KErrNone ) |
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144 { |
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145 // write stateflag to disk |
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146 TBuf8<1> buf; |
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147 buf.Append((TInt8)aFlag); |
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148 err = file.Write( buf, 1); |
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149 } |
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150 |
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151 //close file |
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152 file.Close(); |
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153 } |
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154 |
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155 if ( err != KErrNone) // file does not exist or read fails - aFlag is EDosOfflineStateFlagFalse and return |
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156 { |
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157 FLOG(_L("CDosMtcExample::SetStateFlagL() - flag value write fails")); |
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158 } |
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159 |
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160 //close session |
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161 fsSession.Close(); |
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162 |
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163 return KErrNone; |
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164 } |
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165 |
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166 |
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167 // |
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168 // --------------------------------------------------------- |
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169 // CDosMtcExample::GetStateFlagL |
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170 // |
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171 // --------------------------------------------------------- |
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172 // |
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173 |
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174 |
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175 TInt CDosMtcExample::GetStateFlagL(TDosStateFlag& aFlag) |
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176 { |
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177 FLOG(_L("CDosMtcExample::GetStateFlagL() - Read state from disk")); |
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178 |
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179 // set default value |
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180 aFlag = EDosOfflineStateFlagFalse; |
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181 |
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182 RFs fsSession; |
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183 TInt err = fsSession.Connect(); |
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184 |
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185 if ( err == KErrNone ) |
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186 { |
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187 RFile file; |
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188 err = file.Open( fsSession, KExampleDSYMTCStateFlagFile, EFileRead); |
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189 |
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190 if ( err == KErrNone ) |
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191 { |
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192 // read stateflag status from disk |
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193 TBuf8<1> buf(1); |
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194 err = file.Read( buf, 1); |
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195 if ( err == KErrNone && buf.Size() > 0) |
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196 { |
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197 if ( buf[0] == (TInt8)EDosOfflineStateFlagTrue ) |
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198 { |
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199 aFlag = EDosOfflineStateFlagTrue; |
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200 } |
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201 } |
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202 } |
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203 |
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204 //close file |
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205 file.Close(); |
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206 } |
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207 |
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208 |
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209 if ( err != KErrNone) // file does not exist or read fails - aFlag is EDosOfflineStateFlagFalse and return |
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210 { |
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211 FLOG(_L("CDosMtcExample::GetStateFlagL() - file read fails, default value EDosOfflineStateFlagFalse returned")); |
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212 } |
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213 |
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214 |
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215 // close session |
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216 fsSession.Close(); |
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217 |
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218 return KErrNone; |
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219 } |
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220 |
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221 |