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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 the License "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: Handle notifications of MMC events. |
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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 #include "wrtusbhandler.h" |
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21 #include "wrtharvester.h" |
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22 #include "wrtusbhandler.h" |
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23 |
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24 // CONSTANTS |
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25 |
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26 |
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27 // ============================================================================ |
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28 // CWidgetMMCHandler::NewL() |
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29 // two-phase constructor |
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30 // |
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31 // @since 3.1 |
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32 // @param aRegistry - Widget registry for callback. |
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33 // @param aFs - file session |
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34 // @return pointer to CWidgetMMCHandler |
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35 // ============================================================================ |
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36 // |
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37 CWidgetMMCHandler* CWidgetMMCHandler::NewL( |
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38 CWrtHarvester* aHarvester, |
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39 RFs& aFs ) |
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40 { |
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41 CWidgetMMCHandler* self = |
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42 new(ELeave) CWidgetMMCHandler( aHarvester , aFs ); |
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43 CleanupStack::PushL( self ); |
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44 self->ConstructL(); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 } |
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48 |
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49 // ============================================================================ |
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50 // CWidgetMMCHandler::CWidgetMMCHandler() |
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51 // C++ default constructor |
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52 // |
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53 // @since 3.1 |
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54 // ============================================================================ |
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55 // |
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56 CWidgetMMCHandler::CWidgetMMCHandler( CWrtHarvester* aHarvester, |
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57 RFs& aFs ) |
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58 : CActive( CActive::EPriorityUserInput ), |
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59 iHarvester( aHarvester ), |
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60 iFs( aFs ), |
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61 iDriveFlags( 0 ) |
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62 { |
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63 CActiveScheduler::Add( this ); |
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64 } |
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65 |
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66 // ============================================================================ |
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67 // CWidgetMMCHandler::ConstructL() |
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68 // Symbian default constructor |
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69 // |
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70 // @since 3.1 |
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71 // ============================================================================ |
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72 // |
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73 void CWidgetMMCHandler::ConstructL() |
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74 { |
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75 if ( KErrNone != ScanDrives( iDriveFlags ) ) |
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76 { |
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77 iDriveFlags = 0; |
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78 } |
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79 RDebug::Print(_L("iDriveFlags ConstructL() : %x %d"), iDriveFlags,iDriveFlags); |
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80 } |
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81 |
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82 // ============================================================================ |
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83 // CWidgetMMCHandler::~CWidgetMMCHandler() |
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84 // destructor |
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85 // |
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86 // @since 3.1 |
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87 // ============================================================================ |
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88 CWidgetMMCHandler::~CWidgetMMCHandler() |
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89 { |
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90 Cancel(); |
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91 |
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92 } |
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93 |
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94 // ============================================================================ |
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95 // CWidgetMMCHandler::Start() |
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96 // Start monitoring. |
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97 // |
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98 // @since 5.0 |
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99 // ============================================================================ |
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100 void CWidgetMMCHandler::Start() |
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101 { |
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102 iFs.NotifyChange( ENotifyDisk, iStatus ); |
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103 SetActive(); |
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104 } |
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105 |
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106 // ============================================================================ |
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107 // CWidgetMMCHandler::RunL() |
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108 // Handle notifications of MMC events. |
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109 // |
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110 // @since 3.1 |
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111 // ============================================================================ |
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112 void CWidgetMMCHandler::RunL() |
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113 { |
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114 if ( iStatus == KErrNone ) |
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115 { |
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116 TInt driveFlags = 0; |
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117 TInt deltaDriveFlags = 0; |
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118 |
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119 |
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120 User::After( 10000000 ); |
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121 |
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122 if ( KErrNone == ScanDrives( driveFlags ) ) |
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123 { |
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124 deltaDriveFlags = iDriveFlags ^ driveFlags; |
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125 |
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126 iDriveFlags = driveFlags; |
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127 } |
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128 |
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129 if ( deltaDriveFlags ) |
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130 { |
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131 //Unpluging USB from Mass storage . . . |
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132 if(iHarvester->IsInMSMode() == 1) |
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133 { |
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134 iHarvester->SetMSMode(0); |
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135 iHarvester->ClearAllOperations(); |
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136 iHarvester->UpdateL(); |
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137 |
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138 iFs.NotifyChange( ENotifyDisk, iStatus ); |
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139 SetActive(); |
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140 return; |
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141 } |
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142 |
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143 TVolumeInfo volInfo; |
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144 TInt temp = deltaDriveFlags; |
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145 TBool massMemAltered = EFalse; |
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146 TBool mmcAltered = EFalse; |
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147 for(TInt DriveNo = EDriveA+1 ; DriveNo<=EDriveY; DriveNo++ ) |
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148 { |
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149 |
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150 temp = temp >> 1; |
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151 if( temp & 01) |
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152 { |
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153 switch (DriveNo) |
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154 { |
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155 case EDriveE : |
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156 { |
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157 massMemAltered = ETrue; |
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158 break; |
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159 } |
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160 case EDriveF: |
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161 { |
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162 |
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163 mmcAltered = ETrue; |
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164 break; |
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165 } |
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166 |
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167 } |
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168 } |
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169 |
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170 } |
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171 |
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172 if( !massMemAltered && mmcAltered) |
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173 { |
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174 iHarvester->UpdateL(); |
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175 } |
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176 else if( massMemAltered ) |
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177 { |
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178 iHarvester->SetMSMode(1); |
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179 iHarvester->UpdateL(); |
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180 } |
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181 |
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182 } |
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183 } |
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184 |
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185 |
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186 iFs.NotifyChange( ENotifyDisk, iStatus ); |
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187 SetActive(); |
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188 } |
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189 |
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190 // ============================================================================ |
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191 // CWidgetMMCHandler::RunError() |
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192 // Ignore errors from RunL. |
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193 // |
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194 // @since 5.0 |
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195 // ============================================================================ |
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196 TInt CWidgetMMCHandler::RunError( TInt /* aError */ ) |
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197 { |
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198 |
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199 return KErrNone; // indicates error was handled |
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200 } |
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201 |
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202 // ============================================================================ |
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203 // CWidgetMMCHandler::DoCancel() |
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204 // Cancel the MMC event handler |
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205 // |
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206 // @since 3.1 |
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207 // ============================================================================ |
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208 void CWidgetMMCHandler::DoCancel() |
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209 { |
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210 |
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211 iFs.NotifyChangeCancel(); |
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212 } |
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213 |
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214 /* Scans drives and records a bit flag for those that exist and are |
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215 * suitable for installing widgets to. |
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216 */ |
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217 TInt CWidgetMMCHandler::ScanDrives( TInt& aDriveFlags ) |
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218 { |
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219 |
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220 // List all drives in the system |
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221 TDriveList driveList; |
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222 TInt error = iFs.DriveList( driveList ); |
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223 if ( KErrNone == error ) |
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224 { |
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225 for ( TInt driveNumber = EDriveY; |
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226 driveNumber >= EDriveA; |
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227 driveNumber-- ) |
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228 { |
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229 // The drives that will be filtered out are the same ones that |
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230 // WidgetInstaller filters out in CWidgetUIHandler::SelectDriveL() |
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231 if ( (EDriveD == driveNumber) |
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232 || !driveList[driveNumber] ) |
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233 { |
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234 // EDriveD is a temporary drive usually a RAM disk |
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235 continue; |
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236 } |
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237 |
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238 TVolumeInfo volInfo; |
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239 if ( iFs.Volume( volInfo, driveNumber ) != KErrNone ) |
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240 { |
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241 // volume is not usable (e.g. no media card inserted) |
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242 continue; |
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243 } |
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244 if ( (volInfo.iDrive.iType == EMediaNotPresent) || |
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245 (volInfo.iDrive.iType == EMediaRom) || |
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246 (volInfo.iDrive.iType == EMediaRemote) || |
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247 (volInfo.iDrive.iDriveAtt & KDriveAttRom) || |
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248 (volInfo.iDrive.iDriveAtt & KDriveAttSubsted) ) |
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249 { |
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250 // not a suitable widget install drive |
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251 continue; |
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252 } |
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253 |
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254 // found a usable drive |
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255 aDriveFlags |= (1 << driveNumber); |
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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 return error; |
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261 } |