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1 /* |
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2 * Copyright (c) 2006-2009 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: Scans MMC after phone reboot for file changes* |
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15 */ |
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16 |
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17 #include "mmcscannerao.h" |
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18 #include "harvesterlog.h" |
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19 #include "fsutil.h" |
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20 #include <harvesterdata.h> |
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21 #include <placeholderdata.h> |
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22 #include <centralrepository.h> |
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23 |
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24 _LIT( KColon, ":" ); |
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25 |
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26 const TInt KEntryBufferSize = 100; |
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27 const TInt KDefaultDelay = 4; |
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28 const TInt KMillion = 1000000; |
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29 |
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30 const TUid KRepositoryUid = { 0x20007183 }; |
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31 const TUint32 KScanDelayKey = 0x00000001; |
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32 |
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33 CMmcScannerAO::CMmcScannerAO( TUint32 aMediaId, |
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34 CMdEHarvesterSession* aMdEClient, MMonitorPluginObserver* aObserver, |
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35 CHarvesterPluginFactory* aHarvesterPluginFactory, CActive::TPriority aPriority ) : |
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36 CTimer( aPriority ), iState( EUninitialized ), iMmcFileList( NULL ) |
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37 { |
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38 iMediaId = aMediaId; |
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39 iMdEClient = aMdEClient; |
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40 iObserver = aObserver; |
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41 iHarvesterPluginFactory = aHarvesterPluginFactory; |
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42 } |
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43 |
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44 CMmcScannerAO* CMmcScannerAO::NewL( TUint32 aMediaId, CMdEHarvesterSession* aMdEClient, |
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45 MMonitorPluginObserver* aObserver, CHarvesterPluginFactory* aHarvesterPluginFactory, |
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46 CActive::TPriority aPriority, TBool aAlreadyWaited ) |
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47 { |
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48 CMmcScannerAO* self = new ( ELeave ) CMmcScannerAO( aMediaId, aMdEClient, aObserver, |
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49 aHarvesterPluginFactory, aPriority ); |
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50 |
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51 CleanupStack::PushL( self ); |
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52 self->ConstructL( aAlreadyWaited ); |
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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 void CMmcScannerAO::ConstructL( TBool aAlreadyWaited ) |
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58 { |
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59 CTimer::ConstructL(); |
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60 CActiveScheduler::Add( this ); // Add to scheduler |
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61 iState = EUninitialized; |
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62 User::LeaveIfError( iFs.Connect() ); |
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63 iMmcFileList = CMmcFileList::NewL(); |
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64 |
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65 if( !aAlreadyWaited ) |
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66 { |
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67 TInt tmpDelay( KDefaultDelay ); |
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68 TTimeIntervalMicroSeconds32 delay( tmpDelay * KMillion ); |
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69 CRepository* repo = CRepository::NewLC( KRepositoryUid ); |
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70 TInt err = repo->Get( KScanDelayKey, tmpDelay ); |
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71 if ( err == KErrNone ) |
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72 { |
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73 delay = tmpDelay * KMillion; |
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74 } |
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75 CleanupStack::PopAndDestroy( repo ); |
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76 After( delay ); |
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77 } |
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78 else |
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79 { |
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80 TTimeIntervalMicroSeconds32 delay( 5 ); |
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81 After( delay ); |
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82 } |
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83 } |
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84 |
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85 CMmcScannerAO::~CMmcScannerAO() |
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86 { |
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87 Cancel(); // Cancel any request, if outstanding |
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88 // Delete instance variables if any |
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89 |
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90 delete iMmcFileList; |
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91 |
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92 iEntryArray.ResetAndDestroy(); |
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93 iEntryArray.Close(); |
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94 |
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95 iHarvestEntryArray.ResetAndDestroy(); |
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96 iHarvestEntryArray.Close(); |
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97 |
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98 iFs.Close(); |
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99 } |
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100 |
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101 |
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102 void CMmcScannerAO::RunL() |
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103 { |
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104 switch( iState ) |
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105 { |
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106 case( EUninitialized ): |
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107 { |
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108 WRITELOG("CMmcScannerAO::RunL - Setting files to not present"); |
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109 iMdEClient->SetFilesToNotPresent( iMediaId, ETrue ); |
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110 SetState( EReadFiles ); |
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111 break; |
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112 } |
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113 |
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114 case( EReadFiles ): |
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115 { |
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116 for ( TInt i=0; i < KMaxDrives; i++ ) |
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117 { |
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118 const TUint32 mediaId = FSUtil::MediaID(iFs, i); |
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119 if( mediaId == iMediaId ) |
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120 { |
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121 TChar chr; |
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122 iFs.DriveToChar( i, chr ); |
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123 i = KMaxDrives; |
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124 iDrive.Zero(); |
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125 iDrive.Append( chr ); |
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126 iDrive.Append( KColon ); |
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127 } |
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128 } |
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129 // drive not found (unmount before scanning delay) |
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130 if ( iDrive.Length() == 0 ) |
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131 { |
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132 SetState( EDone ); |
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133 break; |
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134 } |
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135 |
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136 WRITELOG("CMmcScannerAO::RunL - build file list"); |
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137 iMmcFileList->BuildFileListL( iFs, iDrive, iEntryArray ); |
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138 SetState( EProcessFiles ); |
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139 break; |
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140 } |
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141 |
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142 case( EProcessFiles ): |
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143 { |
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144 if( iEntryArray.Count() > 0 ) |
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145 { |
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146 WRITELOG("CMmcScannerAO::RunL - handling file list"); |
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147 iMmcFileList->HandleFileEntryL( *iMdEClient, iEntryArray, |
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148 iHarvestEntryArray, iMediaId, iHarvesterPluginFactory ); |
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149 SetState( EHarvestFiles ); |
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150 } |
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151 else |
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152 { |
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153 SetState( ERemoveNPFiles ); |
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154 } |
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155 break; |
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156 } |
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157 |
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158 case( EHarvestFiles ): |
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159 { |
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160 if ( iHarvestEntryArray.Count() > 0 ) |
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161 { |
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162 WRITELOG("CMmcScannerAO::RunL - adding new files to harvester queue"); |
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163 HandleReharvestL(); |
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164 SetState( EHarvestFiles ); |
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165 } |
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166 else |
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167 { |
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168 SetState( EProcessFiles ); |
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169 } |
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170 break; |
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171 } |
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172 |
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173 case( ERemoveNPFiles ): |
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174 { |
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175 WRITELOG("CMmcScannerAO::RunL - Removing not present files"); |
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176 iMdEClient->RemoveFilesNotPresent( iMediaId, ETrue ); |
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177 SetState( EDone ); |
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178 break; |
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179 } |
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180 |
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181 case( EDone ): |
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182 { |
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183 iFs.Close(); |
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184 break; |
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185 } |
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186 |
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187 default: |
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188 break; |
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189 |
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190 } |
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191 } |
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192 |
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193 void CMmcScannerAO::HandleReharvestL() |
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194 { |
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195 WRITELOG("CMMCMountTaskAO::HandleReharvestL"); |
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196 |
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197 TInt batchSize( 0 ); |
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198 RPointerArray<CHarvesterData> hdArray; |
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199 CleanupClosePushL( hdArray ); |
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200 |
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201 if ( iHarvestEntryArray.Count() >= KEntryBufferSize ) |
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202 { |
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203 batchSize = KEntryBufferSize; |
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204 } |
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205 else |
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206 { |
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207 batchSize = iHarvestEntryArray.Count(); |
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208 } |
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209 |
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210 for ( TInt i = 0; i < batchSize; i++ ) |
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211 { |
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212 CPlaceholderData* ei = iHarvestEntryArray[0]; |
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213 |
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214 HBufC* fileName = ei->Uri().AllocLC(); |
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215 CHarvesterData* hd = CHarvesterData::NewL( fileName ); |
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216 hd->SetOrigin( MdeConstants::Object::EOther ); |
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217 CleanupStack::Pop( fileName ); |
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218 |
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219 if ( ei->PresentState() == EMdsPlaceholder || |
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220 ei->PresentState() == EMdsModified ) |
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221 { |
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222 hd->SetEventType( EHarvesterEdit ); |
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223 hd->SetObjectType( ENormal ); |
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224 delete ei; |
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225 } |
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226 else |
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227 { |
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228 hd->SetEventType( EHarvesterAdd ); |
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229 hd->SetObjectType( EPlaceholder ); |
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230 hd->SetClientData( ei ); |
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231 } |
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232 hdArray.Append( hd ); |
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233 iHarvestEntryArray.Remove( 0 ); |
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234 } |
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235 |
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236 if( iHarvestEntryArray.Count() == 0 ) |
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237 { |
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238 iHarvestEntryArray.Compress(); |
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239 } |
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240 |
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241 if ( iObserver ) |
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242 { |
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243 if( hdArray.Count() > 0) |
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244 { |
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245 iObserver->MonitorEvent( hdArray ); |
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246 } |
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247 else |
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248 { |
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249 iObserver->MonitorEvent( hdArray[0] ); |
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250 } |
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251 } |
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252 |
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253 CleanupStack::PopAndDestroy( &hdArray ); |
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254 } |
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255 |
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256 |
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257 TInt CMmcScannerAO::RunError( TInt /*aError*/ ) |
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258 { |
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259 return KErrNone; |
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260 } |
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261 |
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262 void CMmcScannerAO::SetState( TCMmcScannerAOState aState ) |
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263 { |
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264 WRITELOG("CMmcScannerAO::SetNextRequest" ); |
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265 if ( !IsActive() ) |
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266 { |
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267 iState = aState; |
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268 TRequestStatus* ptrStatus = &iStatus; |
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269 User::RequestComplete( ptrStatus, KErrNone ); |
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270 SetActive(); |
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271 } |
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272 } |