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1 /* |
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2 * Copyright (c) 2006 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: Monitors for Media removal |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <e32base.h> |
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20 #include <f32file.h> |
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21 #include <mpxlog.h> |
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22 #include "mpxmediaremovalmonitor.h" |
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23 |
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24 // --------------------------------------------------------------------------- |
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25 // C++ Constructor |
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26 // --------------------------------------------------------------------------- |
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27 // |
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28 CMPXMediaRemovalMonitor::CMPXMediaRemovalMonitor |
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29 ( TInt aDrive, RFs& aFs, MMPXSystemEventObserver& aObserver ) |
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30 : CActive(EPriorityHigh), |
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31 iDrive( aDrive ), |
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32 iFs( aFs ), |
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33 iDiskRemoved( EFalse ), |
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34 iObserver( aObserver ) |
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35 |
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36 { |
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37 CActiveScheduler::Add(this); |
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38 } |
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39 |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // 2nd Phase Constructor |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 void CMPXMediaRemovalMonitor::ConstructL() |
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46 { |
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47 MPX_DEBUG1(_L("CMPXMediaRemovalMonitor::ConstructL <---")); |
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48 |
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49 // Initial state |
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50 TDriveInfo drive; |
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51 User::LeaveIfError(iFs.Drive(drive, TInt(iDrive))); |
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52 iDiskRemoved = (drive.iType == EMediaNotPresent); |
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53 |
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54 // Start listening |
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55 TNotifyType notType(ENotifyDisk); |
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56 iFs.NotifyChange( notType, iStatus ); |
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57 SetActive(); |
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58 |
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59 MPX_DEBUG1(_L("CMPXMediaRemovalMonitor::ConstructL --->")); |
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60 } |
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61 |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // Two-Phased Constructor |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CMPXMediaRemovalMonitor* CMPXMediaRemovalMonitor::NewL |
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68 ( TInt aDrive, RFs& aFs, MMPXSystemEventObserver& aObserver ) |
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69 { |
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70 CMPXMediaRemovalMonitor* self |
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71 = CMPXMediaRemovalMonitor::NewLC( aDrive, |
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72 aFs, |
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73 aObserver ); |
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74 CleanupStack::Pop( self ); |
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75 return self; |
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76 } |
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77 |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // Two-Phased Constructor |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 CMPXMediaRemovalMonitor* CMPXMediaRemovalMonitor::NewLC |
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84 ( TInt aDrive, RFs& aFs, MMPXSystemEventObserver& aObserver ) |
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85 { |
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86 CMPXMediaRemovalMonitor* self = |
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87 new( ELeave ) CMPXMediaRemovalMonitor( aDrive, |
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88 aFs, |
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89 aObserver ); |
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90 CleanupStack::PushL( self ); |
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91 self->ConstructL(); |
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92 return self; |
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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 // Destructor |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 CMPXMediaRemovalMonitor::~CMPXMediaRemovalMonitor() |
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101 { |
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102 Cancel(); |
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103 } |
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104 |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // Service the request |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 void CMPXMediaRemovalMonitor::RunL() |
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111 { |
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112 MPX_DEBUG1(_L("CMPXMediaRemovalMonitor::RunL <---")); |
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113 |
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114 // Re-subscribe to event. |
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115 TNotifyType notType(ENotifyDisk); |
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116 iFs.NotifyChange( notType, iStatus ); |
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117 SetActive(); |
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118 |
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119 // Check state |
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120 TDriveInfo drive; |
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121 User::LeaveIfError(iFs.Drive(drive, TInt(iDrive))); |
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122 |
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123 // Notify Observer |
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124 switch(drive.iType) |
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125 { |
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126 case EMediaNotPresent: |
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127 { |
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128 if (!iDiskRemoved) |
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129 { |
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130 iObserver.HandleSystemEventL( EDiskRemovedEvent, iDrive ); |
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131 } |
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132 iDiskRemoved = ETrue; |
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133 break; |
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134 } |
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135 default: |
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136 { |
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137 if ( iDiskRemoved && |
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138 ( drive.iMediaAtt & ( KMediaAttLockable|KMediaAttLocked|KMediaAttHasPassword ) ) != |
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139 ( KMediaAttLockable|KMediaAttLocked|KMediaAttHasPassword ) ) |
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140 { |
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141 iObserver.HandleSystemEventL( EDiskInsertedEvent, iDrive ); |
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142 iDiskRemoved = EFalse; |
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143 } |
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144 break; |
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145 } |
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146 } |
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147 |
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148 |
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149 MPX_DEBUG1(_L("CMPXMediaRemovalMonitor::RunL --->")); |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // Cancel NotifyChange request from file system |
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154 // --------------------------------------------------------------------------- |
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155 // |
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156 void CMPXMediaRemovalMonitor::DoCancel() |
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157 { |
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158 iFs.NotifyChangeCancel(); |
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159 } |
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160 |
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161 // ---------------------------------------------------------------------------- |
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162 // Handles a leave occurring in the request completion event handler RunL() |
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163 // Don't care if client has a User::Leave() in RunL(), keep monitoring for events |
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164 // ---------------------------------------------------------------------------- |
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165 // |
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166 TInt CMPXMediaRemovalMonitor::RunError(TInt aError) |
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167 { |
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168 MPX_DEBUG2("CMPXMediaRemovalMonitor::RunError(%d)", aError ); |
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169 (void) aError; // avoid compile warning in urel |
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170 |
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171 return KErrNone; |
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172 } |