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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "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: Implements logging SAPI logiter class. |
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15 * |
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16 */ |
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17 |
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18 #include <e32base.h> |
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19 #include <e32def.h> |
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20 #include <logwrap.h> |
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21 #include <logcli.h> |
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22 |
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23 #include "loggingevent.h" |
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24 #include "logiter.h" |
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25 #include "loggingasyncservice.h" |
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26 |
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27 |
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28 /** |
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29 * Two phase constructors |
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30 * |
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31 * @param aClient, CLogClient handle for log database |
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32 * @param aRecent , CLogViewRecent handle |
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33 * @param aViewEvents ,CLogViewEvents handle |
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34 */ |
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35 EXPORT_C CLogIter* CLogIter :: NewL() |
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36 { |
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37 CLogIter *self = CLogIter :: NewLC() ; |
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38 CleanupStack :: Pop(self); |
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39 return self ; |
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40 } |
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41 |
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42 CLogIter* CLogIter :: NewLC() |
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43 { |
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44 CLogIter *self = new(ELeave) CLogIter() ; |
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45 CleanupStack :: PushL(self); |
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46 self->ConstructL() ; |
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47 return self ; |
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48 } |
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49 |
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50 /** |
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51 * ConstructL Method to construct the internal members of |
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52 * CLogIter class |
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53 */ |
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54 void CLogIter :: ConstructL() |
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55 { |
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56 User :: LeaveIfError(iFs.Connect()) ; |
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57 CActiveScheduler :: Add(this) ; |
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58 iScheduler = new CActiveSchedulerWait(); |
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59 } |
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60 |
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61 /** |
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62 * Default Constructor |
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63 * This object holds the ownership of its members and |
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64 * |
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65 */ |
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66 CLogIter :: CLogIter() : CActive(EPriorityStandard) , iLogViewEvents(NULL) , iLogViewRecent(NULL) , |
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67 iTaskId(-1), iCount(0) |
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68 { |
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69 ; |
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70 } |
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71 |
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72 /** |
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73 * Default Destructor |
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74 */ |
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75 CLogIter :: ~CLogIter() |
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76 { |
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77 if(this->IsAdded()) |
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78 { |
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79 Deque() ; |
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80 } |
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81 |
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82 delete iLogViewEvents ; |
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83 delete iLogViewRecent ; |
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84 delete iLogClient ; |
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85 delete iEvent ; |
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86 delete iScheduler; |
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87 iFs.Close() ; |
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88 |
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89 } |
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90 |
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91 /** |
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92 * Do Cancel Method, From CActive |
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93 */ |
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94 void CLogIter :: DoCancel() |
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95 { |
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96 switch(iTaskId) |
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97 { |
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98 case EReadEvents : |
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99 { |
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100 iLogViewEvents->Cancel() ; |
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101 break ; |
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102 } |
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103 |
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104 case EGetRecent : |
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105 { |
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106 iLogViewRecent->Cancel() ; |
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107 break ; |
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108 } |
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109 |
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110 case EGetEvent : |
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111 { |
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112 break ; |
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113 } |
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114 |
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115 default : |
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116 { |
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117 break ; |
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118 } |
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119 } |
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120 } |
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121 /** |
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122 * RunL Method to handle async events |
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123 * Read , ReadRecent and Get an event |
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124 */ |
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125 void CLogIter :: RunL() |
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126 { |
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127 iScheduler->AsyncStop(); |
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128 } |
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129 |
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130 /** |
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131 * NextL method to iterate on the getlist result |
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132 */ |
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133 |
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134 EXPORT_C CLogsEvent* CLogIter :: NextL() |
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135 { |
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136 CLogsEvent* currEvent = NULL ; |
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137 switch(iTaskId) |
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138 { |
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139 case EReadEvents : |
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140 { |
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141 if(!iCount) |
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142 { |
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143 iCount = iLogViewEvents->CountL() ; |
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144 } |
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145 if(iOps++ >= iCount) |
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146 { |
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147 return currEvent ; |
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148 } |
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149 currEvent = CLogsEvent :: NewL() ; |
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150 currEvent->SetEvent(iLogViewEvents->Event()) ; |
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151 |
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152 if((iLogViewEvents->NextL(iStatus))) |
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153 { |
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154 SetActive() ; |
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155 iScheduler->Start() ; |
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156 } |
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157 break ; |
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158 } |
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159 |
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160 case EGetRecent : |
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161 { |
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162 if(!iCount) |
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163 { |
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164 iCount = iLogViewRecent->CountL() ; |
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165 } |
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166 |
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167 if(iOps++ >= iCount) |
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168 { |
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169 return currEvent ; |
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170 } |
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171 |
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172 currEvent = CLogsEvent :: NewL() ; |
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173 currEvent->SetEvent(iLogViewRecent->Event()) ; |
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174 |
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175 if(iLogViewRecent->NextL(iStatus) ) |
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176 { |
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177 SetActive() ; |
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178 iScheduler->Start() ; |
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179 } |
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180 break ; |
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181 } |
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182 |
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183 case EGetEvent : |
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184 { |
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185 if ( iEvent && !iOps ) |
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186 { |
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187 ++iOps; |
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188 currEvent = iEvent; |
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189 iEvent = NULL; |
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190 } |
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191 |
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192 break ; |
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193 } |
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194 |
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195 default : |
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196 { |
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197 break ; |
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198 } |
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199 |
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200 } |
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201 return currEvent ; |
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202 } |
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203 |
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204 |
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205 /** |
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206 * Reset |
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207 */ |
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208 |
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209 EXPORT_C void CLogIter :: Reset() |
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210 { |
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211 iOps = 0 ; |
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212 } |
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213 |
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214 /** |
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215 * Function to set the event |
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216 * |
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217 * @param aEvent , event to be set |
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218 */ |
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219 |
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220 |
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221 EXPORT_C void CLogIter :: SetEventL(CLogsEvent* aEvent) |
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222 { |
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223 if( iEvent ) |
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224 { |
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225 delete iEvent ; |
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226 } |
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227 |
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228 iEvent = CLogsEvent :: NewL() ; |
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229 iEvent->Copy(aEvent->getEvent()) ; |
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230 } |
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231 |
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232 |
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233 |
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234 /** |
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235 * Sets the LogClient Handle |
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236 * |
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237 * @param aLogClient, Handle to |
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238 * the logclient |
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239 */ |
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240 void CLogIter :: SetLogClient(CLogClient *aLogClient) |
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241 { |
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242 iLogClient = aLogClient ; |
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243 } |
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244 |
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245 |
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246 /** |
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247 * SetLogViewEvents, sets the handle to view the events |
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248 * |
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249 * @param CLogViewEvent , handle to view the events |
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250 */ |
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251 |
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252 void CLogIter :: SetLogViewEvents(CLogViewEvent *aViewEvents) |
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253 { |
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254 iLogViewEvents = aViewEvents ; |
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255 } |
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256 |
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257 /** |
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258 * SetLogViewRecent, sets the handle to the recent view |
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259 * |
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260 * @param aRecentView, recent view handle |
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261 */ |
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262 |
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263 void CLogIter :: SetLogRecentView(CLogViewRecent *aViewRecent) |
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264 { |
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265 iLogViewRecent = aViewRecent ; |
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266 } |
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267 |
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268 |
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269 |