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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 "CVRMediaRemovalMonitor.h" |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // C++ Constructor |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CVRMediaRemovalMonitor::CVRMediaRemovalMonitor |
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28 ( TInt aDrive, RFs& aFs, MVRMediaRemovalObserver* aObserver ) |
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29 : CActive(EPriorityHigh), |
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30 iDrive( aDrive ), |
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31 iFs( aFs ), |
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32 iDiskRemoved( EFalse ), |
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33 iObserver( aObserver ) |
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34 |
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35 { |
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36 CActiveScheduler::Add(this); |
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37 } |
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38 |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // 2nd Phase Constructor |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 void CVRMediaRemovalMonitor::ConstructL() |
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45 { |
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46 |
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47 // Initial state |
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48 TDriveInfo drive; |
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49 User::LeaveIfError(iFs.Drive(drive, TInt(iDrive))); |
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50 iDiskRemoved = (drive.iType == EMediaNotPresent); |
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51 |
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52 // Start listening |
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53 TNotifyType notType(ENotifyDisk); |
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54 iFs.NotifyChange( notType, iStatus ); |
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55 SetActive(); |
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56 } |
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57 |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Two-Phased Constructor |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 CVRMediaRemovalMonitor* CVRMediaRemovalMonitor::NewL |
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64 ( TInt aDrive, RFs& aFs, MVRMediaRemovalObserver* aObserver ) |
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65 { |
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66 CVRMediaRemovalMonitor* self |
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67 = CVRMediaRemovalMonitor::NewLC( aDrive, |
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68 aFs, |
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69 aObserver ); |
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70 CleanupStack::Pop( self ); |
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71 return self; |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // Two-Phased Constructor |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CVRMediaRemovalMonitor* CVRMediaRemovalMonitor::NewLC |
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80 ( TInt aDrive, RFs& aFs, MVRMediaRemovalObserver* aObserver ) |
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81 { |
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82 CVRMediaRemovalMonitor* self = |
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83 new( ELeave ) CVRMediaRemovalMonitor( aDrive, |
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84 aFs, |
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85 aObserver ); |
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86 CleanupStack::PushL( self ); |
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87 self->ConstructL(); |
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88 return self; |
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89 } |
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90 |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // Destructor |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 CVRMediaRemovalMonitor::~CVRMediaRemovalMonitor() |
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97 { |
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98 Cancel(); |
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99 } |
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100 |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // Service the request |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 void CVRMediaRemovalMonitor::RunL() |
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107 { |
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108 // Re-subscribe to event. |
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109 TNotifyType notType(ENotifyDisk); |
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110 iFs.NotifyChange( notType, iStatus ); |
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111 SetActive(); |
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112 |
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113 // Check state |
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114 TDriveInfo drive; |
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115 User::LeaveIfError(iFs.Drive(drive, TInt(iDrive))); |
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116 |
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117 // Notify Observer |
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118 switch(drive.iType) |
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119 { |
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120 case EMediaNotPresent: |
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121 { |
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122 if (!iDiskRemoved) |
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123 { |
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124 iObserver->HandleMMCEjectEventL( ); |
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125 } |
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126 iDiskRemoved = ETrue; |
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127 break; |
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128 } |
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129 default: |
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130 { |
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131 if ( iDiskRemoved && |
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132 ( drive.iMediaAtt & ( KMediaAttLockable|KMediaAttLocked|KMediaAttHasPassword ) ) != |
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133 ( KMediaAttLockable|KMediaAttLocked|KMediaAttHasPassword ) ) |
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134 { |
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135 //do nothing |
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136 iDiskRemoved = EFalse; |
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137 } |
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138 break; |
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139 } |
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140 } |
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141 |
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142 } |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // Cancel NotifyChange request from file system |
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146 // --------------------------------------------------------------------------- |
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147 // |
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148 void CVRMediaRemovalMonitor::DoCancel() |
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149 { |
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150 iFs.NotifyChangeCancel(); |
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151 } |
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152 |
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153 // ---------------------------------------------------------------------------- |
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154 // Handles a leave occurring in the request completion event handler RunL() |
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155 // Don't care if client has a User::Leave() in RunL(), keep monitoring for events |
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156 // ---------------------------------------------------------------------------- |
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157 // |
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158 TInt CVRMediaRemovalMonitor::RunError(TInt aError) |
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159 { |
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160 return KErrNone; |
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161 } |