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1 /*------------------------------------------------------------------ |
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2 - |
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3 * Software Name : UserEmulator |
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4 * Version : v4.2.1309 |
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5 * |
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6 * Copyright (c) 2009 France Telecom. All rights reserved. |
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7 * This software is distributed under the License |
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8 * "Eclipse Public License - v 1.0" the text of which is available |
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9 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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10 * |
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11 * Initial Contributors: |
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12 * France Telecom |
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13 * |
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14 * Contributors: |
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15 *------------------------------------------------------------------ |
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16 - |
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17 * File Name: NotifyFileChange.cpp |
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18 * |
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19 * Created: 13/08/2009 |
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20 * Author(s): Marcell Kiss, Reshma Sandeep Das |
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21 * |
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22 * Description: |
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23 * Active object implementation for notification of file changes |
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24 *------------------------------------------------------------------ |
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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 //System Includes |
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30 #include <e32std.h> |
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31 #include <f32file.h> |
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32 #include <eikenv.h> |
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33 |
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34 //User Includes |
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35 #include "NotifyFileChange.h" |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CNotifyFileChange::NewL |
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39 // Creates the instance of class and returns it. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CNotifyFileChange* CNotifyFileChange::NewL( MFileChangeObserver& aObserver, const TDesC& aPath) |
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43 { |
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44 CNotifyFileChange* self = CNotifyFileChange::NewLC(aObserver, aPath); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CNotifyFileChange::NewLC |
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51 // Creates the instance of class and pushes it to the CleanupStack and return |
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52 // it. |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CNotifyFileChange* CNotifyFileChange::NewLC( MFileChangeObserver& aObserver, const TDesC& aPath) |
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56 { |
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57 CNotifyFileChange* self = new ( ELeave ) CNotifyFileChange( aObserver, aPath ); |
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58 CleanupStack::PushL( self ); |
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59 self->ConstructL(); |
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60 return self; |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CNotifyFileChange::CNotifyFileChange |
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65 // Calls base classes constructor with priority value. |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CNotifyFileChange::CNotifyFileChange( MFileChangeObserver& aObserver, const TDesC& aPath ) |
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69 : CActive(EPriorityStandard), iObserver( aObserver ),iPath((TDes16&)aPath) |
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70 {} |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CNotifyFileChange::ConstructL |
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74 // Add class to the active sheduler and issue request for any file or directory |
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75 // change notifications |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CNotifyFileChange::ConstructL() |
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79 { |
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80 CActiveScheduler::Add( this ); |
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81 User::LeaveIfError(iFs.Connect()); |
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82 |
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83 iStatus = KRequestPending; |
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84 iFs.NotifyChange(ENotifyAll, iStatus, iPath); |
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85 SetActive(); |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CNotifyFileChange::~CNotifyFileChange |
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90 // Destructor |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 CNotifyFileChange::~CNotifyFileChange() |
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94 { |
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95 Cancel(); |
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96 iFs.Close(); |
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97 } |
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98 // ----------------------------------------------------------------------------- |
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99 // CNotifyFileChange::RefreshPath |
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100 // Function that requests a notification of change to files or directories |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 void CNotifyFileChange::RefreshPath(TDes& aPath) |
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104 { |
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105 Cancel(); |
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106 User::After(KWait001); |
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107 iPath.Copy(aPath); |
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108 iFs.NotifyChange(ENotifyAll, iStatus, iPath); |
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109 SetActive(); |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CNotifyFileChange::RunL |
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114 // Handles the completion of the active request and re-issues the notification |
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115 // request |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 void CNotifyFileChange::RunL() |
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119 { |
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120 if (iStatus == KErrNone) |
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121 { |
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122 if(!IsActive()) |
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123 { |
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124 iObserver.FileChangeEventL(); |
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125 iFs.NotifyChange(ENotifyAll, iStatus, iPath); |
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126 SetActive(); |
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127 } |
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128 } |
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129 } |
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130 |
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131 // ----------------------------------------------------------------------------- |
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132 // CNotifyFileChange::DoCancel |
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133 // Cancels any outstanding requests |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 void CNotifyFileChange::DoCancel() |
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137 { |
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138 if (IsActive()) |
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139 { |
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140 iFs.NotifyChangeCancel(); |
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141 } |
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142 } |
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143 // ----------------------------------------------------------------------------- |
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144 // CNotifyFileChange::RunError |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 TInt CNotifyFileChange::RunError(TInt /*aError*/) |
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148 { |
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149 return KErrNone; |
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150 } |