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1 /* |
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2 * Copyright (c) 2008 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 * |
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16 */ |
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17 |
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18 |
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19 #include "mcsmmcobserver.h" |
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20 |
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21 _LIT(KMcsDir,"*:\\private\200113dd\\import"); |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // CCMCsMmcObserver::CCMCsMmcObserver |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CMcsMmcObserver::CMcsMmcObserver(MMcsMmcObserver& aCallback) : |
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28 CActive(EPriorityStandard), // Standard priority |
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29 iCallback(aCallback) |
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30 { |
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31 CActiveScheduler::Add(this); // Add to scheduler |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // CCMCsMmcObserver::NewLC |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 CMcsMmcObserver* CMcsMmcObserver::NewLC(MMcsMmcObserver& aCallback) |
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39 { |
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40 CMcsMmcObserver* self = new (ELeave) CMcsMmcObserver(aCallback); |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(); |
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43 return self; |
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44 } |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // CCMCsMmcObserver::NewL |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 CMcsMmcObserver* CMcsMmcObserver::NewL(MMcsMmcObserver& aCallback) |
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51 { |
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52 CMcsMmcObserver* self = CMcsMmcObserver::NewLC(aCallback); |
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53 CleanupStack::Pop(); // self; |
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54 return self; |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // CCMCsMmcObserver::ConstructL |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 void CMcsMmcObserver::ConstructL() |
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62 { |
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63 User::LeaveIfError( iFs.Connect( ) ); |
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64 User::LeaveIfError(iFs.DriveList(iDriveList)); |
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65 iDriveCount = DriveCount(iDriveList); |
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66 iFs.NotifyChange(ENotifyEntry, iStatus, KMcsDir); |
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67 SetActive(); |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // CCMCsMmcObserver::~CCMCsMmcObserver |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 CMcsMmcObserver::~CMcsMmcObserver() |
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75 { |
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76 Cancel(); // Cancel any request, if outstanding |
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77 iFs.Close(); |
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78 } |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // CCMCsMmcObserver::DoCancel |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 void CMcsMmcObserver::DoCancel() |
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85 { |
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86 iFs.NotifyChangeCancel(); |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CCMCsMmcObserver::RunL |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 void CMcsMmcObserver::RunL() |
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94 { |
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95 if (iStatus == KErrNone) |
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96 { |
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97 // Get driver number and compare to last state |
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98 User::LeaveIfError(iFs.DriveList(iDriveList)); |
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99 TInt driveCountNow = DriveCount(iDriveList); |
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100 if (iDriveCount < driveCountNow) |
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101 { |
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102 iCallback.HandleMmcEventL(MMcsMmcObserver::EMmcInsert); |
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103 } |
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104 else if (iDriveCount > driveCountNow) |
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105 { |
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106 iCallback.HandleMmcEventL(MMcsMmcObserver::EMmcRemove); |
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107 } |
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108 iDriveCount = driveCountNow; |
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109 } |
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110 iFs.NotifyChange(ENotifyEntry, iStatus, KMcsDir); |
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111 SetActive(); // Tell scheduler a request is active |
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112 } |
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113 |
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114 // --------------------------------------------------------------------------- |
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115 // CCMCsMmcObserver::RunError |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 TInt CMcsMmcObserver::RunError(TInt /*aError*/) |
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119 { |
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120 iFs.NotifyChange(ENotifyEntry, iStatus, KMcsDir); |
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121 SetActive(); // Tell scheduler a request is active |
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122 return KErrNone; |
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123 } |
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124 |
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125 // --------------------------------------------------------------------------- |
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126 // CCMCsMmcObserver::DriveCount |
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127 // --------------------------------------------------------------------------- |
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128 // |
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129 TInt CMcsMmcObserver::DriveCount(TDriveList& aDriveList) |
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130 { |
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131 TInt driveCount(0); |
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132 TDriveInfo driveInfo; |
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133 |
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134 // Count drives |
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135 for (TInt driveNumber = EDriveA; driveNumber <= EDriveZ; driveNumber++) |
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136 { |
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137 if (aDriveList[driveNumber]) |
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138 { |
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139 // Be sure it's not unmounted |
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140 iFs.Drive(driveInfo, driveNumber); |
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141 if (driveInfo.iType != EMediaNotPresent) |
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142 { |
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143 ++driveCount; |
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144 } |
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145 } |
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146 } |
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147 return driveCount; |
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148 } |