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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 "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: Class for notify disk watcher |
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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 |
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20 // INCLUDES |
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21 #include <e32std.h> |
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22 #include <f32file.h> |
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23 #include <driveinfo.h> |
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24 #include "diskwatcher.h" |
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25 #include "disknotifyhandler.h" |
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26 #include "disknotifyhandlerdebug.h" |
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27 |
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28 |
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29 // ======== LOCAL FUNCTIONS ======== |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // SetEvent |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 inline static void SetEvent( |
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36 MDiskNotifyHandlerCallback::TDiskEvent& aEvent, |
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37 MDiskNotifyHandlerCallback::TDiskEventType aType, |
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38 TInt aDrive, |
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39 const TDriveInfo& aInfo, |
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40 const TDriveInfo& aPrevInfo ) |
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41 { |
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42 aEvent.iType = aType; |
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43 aEvent.iDrive = aDrive; |
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44 aEvent.iInfo = aInfo; |
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45 aEvent.iPrevInfo = aPrevInfo; |
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46 } |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // SetEmptyDriveInfo |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 inline static void SetEmptyDriveInfo( TDriveInfo& aInfo ) |
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53 { |
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54 aInfo.iType = EMediaNotPresent; |
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55 aInfo.iBattery = EBatNotSupported; |
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56 aInfo.iDriveAtt = 0; |
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57 aInfo.iMediaAtt = 0; |
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58 } |
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59 |
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60 |
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61 // ======== MEMBER FUNCTIONS ======== |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // CDiskWatcher::CDiskWatcher |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CDiskWatcher::CDiskWatcher( |
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68 MDiskNotifyHandlerCallback& aCallback, |
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69 RFs& aFs ) : |
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70 CDiskWatcherBase( aCallback, aFs ) |
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71 { |
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72 FUNC_LOG |
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73 } |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // CDiskWatcher::ConstructL |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 void CDiskWatcher::ConstructL() |
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80 { |
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81 FUNC_LOG |
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82 |
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83 Activate(); |
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84 |
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85 RFs& fs( Fs() ); |
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86 TDriveList drvList; |
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87 User::LeaveIfError( fs.DriveList( drvList, KDriveAttAll ) ); |
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88 |
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89 TInt count( Min( drvList.Length(), iInfoList.Count() ) ); |
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90 for ( TInt i( 0 ); i < count; ++i ) |
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91 { |
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92 if ( drvList[ i ] ) |
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93 { |
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94 iInfoList[ i ].Read( fs, i ); |
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95 } |
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96 } |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // CDiskWatcher::NewL |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 CDiskWatcher* CDiskWatcher::NewL( |
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104 MDiskNotifyHandlerCallback& aCallback, |
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105 RFs& aFs ) |
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106 { |
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107 FUNC_LOG |
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108 |
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109 CDiskWatcher* self = new ( ELeave ) CDiskWatcher( aCallback, aFs ); |
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110 CleanupStack::PushL( self ); |
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111 self->ConstructL(); |
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112 CleanupStack::Pop( self ); |
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113 return self; |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // CDiskWatcher::~CDiskWatcher |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CDiskWatcher::~CDiskWatcher() |
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121 { |
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122 FUNC_LOG |
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123 |
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124 Cancel(); |
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125 } |
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126 |
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127 // --------------------------------------------------------------------------- |
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128 // CDiskWatcher::WatcherError |
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129 // --------------------------------------------------------------------------- |
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130 // |
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131 void CDiskWatcher::WatcherError( |
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132 TInt aError, |
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133 const TBool& /*aKilled*/ ) |
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134 { |
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135 FUNC_LOG |
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136 |
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137 LOG_IF_ERROR1( aError, "CDiskWatcher::WatcherError-aError=%d", |
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138 aError ) |
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139 |
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140 MDiskNotifyHandlerCallback::TDiskEvent event; |
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141 TDriveInfo emptyDrvInfo; |
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142 SetEmptyDriveInfo( emptyDrvInfo ); |
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143 |
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144 SetEvent( |
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145 event, |
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146 MDiskNotifyHandlerCallback::EDiskError, |
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147 KErrNotFound, |
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148 emptyDrvInfo, |
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149 emptyDrvInfo ); |
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150 |
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151 Callback().HandleNotifyDisk( aError, event ); |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // CDiskWatcher::ReactivateWatcher |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 void CDiskWatcher::ReactivateWatcher() |
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159 { |
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160 FUNC_LOG |
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161 |
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162 Activate(); |
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163 } |
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164 |
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165 // --------------------------------------------------------------------------- |
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166 // CDiskWatcher::RunWatcher |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 void CDiskWatcher::RunWatcher( const TBool& aKilled ) |
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170 { |
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171 FUNC_LOG |
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172 |
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173 RFs& fs( Fs() ); |
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174 MDiskNotifyHandlerCallback& callback( Callback() ); |
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175 |
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176 TDriveList drvList; |
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177 TInt err( fs.DriveList( drvList, KDriveAttAll ) ); |
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178 if ( err != KErrNone ) |
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179 { |
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180 ERROR_LOG1( "CDiskWatcher::RunWatcher-err1=%d", err ) |
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181 return; |
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182 } |
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183 |
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184 TInt count( Min( drvList.Length(), iInfoList.Count() ) ); |
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185 TDriveInfo emptyDrvInfo; |
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186 SetEmptyDriveInfo( emptyDrvInfo ); |
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187 MDiskNotifyHandlerCallback::TDiskEvent event; |
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188 TWatcherInfo newInfo; |
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189 |
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190 for( TInt i( 0 ); i < count; ++i ) |
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191 { |
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192 TWatcherInfo& info( iInfoList[ i ] ); |
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193 if ( !drvList[ i ] && info.iDriveStatus ) |
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194 { |
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195 INFO_LOG1( "CDiskWatcher::RunWatcher-Drive %d removed", i ) |
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196 |
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197 // Inform drives removed from drive list |
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198 SetEvent( |
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199 event, |
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200 MDiskNotifyHandlerCallback::EDiskRemoved, |
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201 i, |
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202 emptyDrvInfo, |
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203 info.iDriveInfo ); |
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204 |
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205 callback.HandleNotifyDisk( KErrNone, event ); |
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206 if ( aKilled ) |
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207 { |
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208 return; // Deleted from callback |
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209 } |
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210 info.Reset(); // Set to empty |
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211 } |
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212 else if ( drvList[ i ] && !info.iDriveStatus ) |
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213 { |
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214 INFO_LOG1( "CDiskWatcher::RunWatcher-Drive %d added", i ) |
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215 |
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216 // Inform drives added to drive list |
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217 info.Read( fs, i ); |
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218 if ( info.iDriveStatus ) |
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219 { |
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220 SetEvent( |
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221 event, |
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222 MDiskNotifyHandlerCallback::EDiskAdded, |
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223 i, |
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224 info.iDriveInfo, |
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225 emptyDrvInfo ); |
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226 |
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227 callback.HandleNotifyDisk( KErrNone, event ); |
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228 if ( aKilled ) |
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229 { |
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230 return; // Deleted from callback |
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231 } |
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232 } |
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233 } |
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234 else if ( drvList[ i ] && info.iDriveStatus ) |
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235 { |
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236 // Inform drive status changes |
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237 newInfo.Read( fs, i ); |
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238 if ( info.IsChanged( newInfo ) ) |
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239 { |
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240 INFO_LOG1( "CDiskWatcher::RunWatcher-Drive %d changed", i ) |
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241 |
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242 SetEvent( |
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243 event, |
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244 MDiskNotifyHandlerCallback::EDiskStatusChanged, |
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245 i, |
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246 newInfo.iDriveInfo, |
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247 info.iDriveInfo ); |
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248 |
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249 callback.HandleNotifyDisk( KErrNone, event ); |
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250 if ( aKilled ) |
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251 { |
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252 return; // Deleted from callback |
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253 } |
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254 info = newInfo; // Save changed info |
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255 } |
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256 } |
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257 } |
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258 } |
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259 |
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260 // --------------------------------------------------------------------------- |
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261 // CDiskWatcher::CancelWatcher |
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262 // --------------------------------------------------------------------------- |
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263 // |
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264 void CDiskWatcher::CancelWatcher() |
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265 { |
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266 FUNC_LOG |
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267 |
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268 Fs().NotifyChangeCancel( iStatus ); |
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269 } |
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270 |
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271 // --------------------------------------------------------------------------- |
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272 // CDiskWatcher::Activate |
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273 // --------------------------------------------------------------------------- |
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274 // |
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275 void CDiskWatcher::Activate() |
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276 { |
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277 FUNC_LOG |
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278 |
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279 if ( !IsActive() ) |
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280 { |
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281 INFO_LOG( "CDiskWatcher::Activate" ) |
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282 Fs().NotifyChange( ENotifyDisk, iStatus ); |
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283 SetActive(); |
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284 } |
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285 } |
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286 |
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287 // --------------------------------------------------------------------------- |
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288 // CDiskWatcher::TWatcherInfo::Read |
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289 // --------------------------------------------------------------------------- |
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290 // |
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291 void CDiskWatcher::TWatcherInfo::Read( RFs& aFs, TInt aDrive ) |
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292 { |
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293 FUNC_LOG |
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294 |
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295 TInt err( aFs.Drive( iDriveInfo, aDrive ) ); |
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296 LOG_IF_ERROR2( err, "CDiskWatcher::TWatcherInfo::Read-aDrive=%d,err1=%d", |
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297 aDrive, err ) |
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298 if ( err == KErrNone ) |
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299 { |
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300 // Needed for detecting USB mass storage mode transition |
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301 err = DriveInfo::GetDriveStatus( aFs, aDrive, iDriveStatus ); |
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302 LOG_IF_ERROR2( err, "CDiskWatcher::TWatcherInfo::Read-aDrive=%d,err2=%d", |
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303 aDrive, err ) |
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304 } |
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305 if ( err != KErrNone ) |
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306 { |
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307 Reset(); |
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308 } |
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309 INFO_LOG3( |
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310 "CDiskWatcher::TWatcherInfo::Read-Drive %d,Status 0x%x,Type %d", |
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311 aDrive, iDriveStatus, iDriveInfo.iType ) |
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312 INFO_LOG3( |
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313 "CDiskWatcher::TWatcherInfo::Read-Drive %d,DriveAtt 0x%x,MediaAtt 0x%x", |
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314 aDrive, iDriveInfo.iDriveAtt, iDriveInfo.iMediaAtt ) |
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315 } |
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316 |
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317 // --------------------------------------------------------------------------- |
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318 // CDiskWatcher::TWatcherInfo::IsChanged |
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319 // --------------------------------------------------------------------------- |
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320 // |
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321 TBool CDiskWatcher::TWatcherInfo::IsChanged( |
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322 const TWatcherInfo& aNewInfo ) const |
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323 { |
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324 FUNC_LOG |
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325 |
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326 TBool ret( iDriveStatus != aNewInfo.iDriveStatus || |
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327 iDriveInfo.iType != aNewInfo.iDriveInfo.iType || |
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328 iDriveInfo.iDriveAtt != aNewInfo.iDriveInfo.iDriveAtt || |
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329 iDriveInfo.iMediaAtt != aNewInfo.iDriveInfo.iMediaAtt ); |
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330 INFO_LOG3( |
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331 "CDiskWatcher::TWatcherInfo::IsChanged %d,Status 0x%x,NewStatus 0x%x", |
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332 ret, iDriveStatus, aNewInfo.iDriveStatus ) |
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333 return ret; |
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334 } |
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335 |
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336 // --------------------------------------------------------------------------- |
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337 // CDiskWatcher::TWatcherInfo::Reset |
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338 // --------------------------------------------------------------------------- |
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339 // |
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340 void CDiskWatcher::TWatcherInfo::Reset() |
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341 { |
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342 FUNC_LOG |
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343 |
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344 SetEmptyDriveInfo( iDriveInfo ); |
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345 iDriveStatus = 0; |
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346 } |
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347 |
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348 // End of File |