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1 /* |
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2 * Copyright (c) 2005 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: CMMCScBkupDriveSpecificRequest implementation |
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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 "CMMCScBkupDriveSpecificRequest.h" |
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20 |
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21 // User includes |
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22 #include "CMMCScBkupDriveAndOperationTypeManager.h" |
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23 |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // CMMCScBkupDriveSpecificRequest::CMMCScBkupDriveSpecificRequest() |
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27 // |
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28 // |
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29 // --------------------------------------------------------------------------- |
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30 CMMCScBkupDriveSpecificRequest::CMMCScBkupDriveSpecificRequest( const CMMCScBkupDriveAndOperationTypeManager& aDriveAndOperations, TMMCScBkupOwnerDataType aDataType, CActive::TPriority aPriority ) |
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31 : CActive(aPriority), iDriveAndOperations(aDriveAndOperations), iDataType( aDataType ) |
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32 { |
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33 CActiveScheduler::Add(this); |
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34 } |
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35 |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // CMMCScBkupDriveSpecificRequest::~CMMCScBkupDriveSpecificRequest() |
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39 // |
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40 // |
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41 // --------------------------------------------------------------------------- |
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42 CMMCScBkupDriveSpecificRequest::~CMMCScBkupDriveSpecificRequest( ) |
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43 { |
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44 Cancel(); |
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45 } |
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46 |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // CMMCScBkupDriveSpecificRequest::ConstructL() |
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50 // |
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51 // |
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52 // --------------------------------------------------------------------------- |
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53 void CMMCScBkupDriveSpecificRequest::ConstructL( ) |
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54 { |
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55 } |
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56 |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // CMMCScBkupDriveSpecificRequest::RequestL() |
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60 // |
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61 // |
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62 // --------------------------------------------------------------------------- |
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63 void CMMCScBkupDriveSpecificRequest::RequestL( TRequestStatus& aObserver ) |
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64 { |
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65 // Set to -1 so that when RunL is called, the next drive will be calculated |
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66 // as 0 == EDriveA |
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67 iCurrentDrive = -1; |
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68 iObserver = &aObserver; |
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69 *iObserver = KRequestPending; |
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70 } |
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71 |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // CMMCScBkupDriveSpecificRequest::NextValidDrive() |
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75 // |
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76 // |
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77 // --------------------------------------------------------------------------- |
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78 TBool CMMCScBkupDriveSpecificRequest::NextValidDrive(TDriveNumber& aDrive) |
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79 { |
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80 // If we've already reached Z then there isn't any sense in continuing |
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81 // as all drives have been processed. |
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82 TBool driveAvailable = EFalse; |
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83 |
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84 // Keep checking drives until we go past Z |
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85 while( ++iCurrentDrive <= EDriveZ ) |
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86 { |
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87 if ( iDriveAndOperations.DriveList()[ iCurrentDrive ] != 0 ) |
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88 { |
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89 const TDriveNumber drive = static_cast< TDriveNumber >( iCurrentDrive ); |
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90 |
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91 // Drive is allowable according to master list. |
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92 // But is this data type allowed to access that drive? |
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93 if ( iDataType == EMMCScBkupOwnerDataTypeAny ) |
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94 { |
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95 // Found an available drive - data type filtering is not in play... |
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96 aDrive = drive; |
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97 driveAvailable = ETrue; |
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98 break; |
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99 } |
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100 else if ( iDriveAndOperations.IsDataTypeAllowedToAccessDrive( drive, iDataType ) ) |
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101 { |
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102 // Found an available drive - this data type is allowed to access that drive... |
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103 aDrive = drive; |
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104 driveAvailable = ETrue; |
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105 break; |
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106 } |
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107 } |
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108 } |
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109 // |
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110 return driveAvailable; |
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111 } |
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112 |
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113 |
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114 // --------------------------------------------------------------------------- |
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115 // CMMCScBkupDriveSpecificRequest::NextValidDrive() |
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116 // |
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117 // |
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118 // --------------------------------------------------------------------------- |
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119 TBool CMMCScBkupDriveSpecificRequest::NextValidDrive(TDriveNumber& aDrive, const TDriveList& aCrossCheckList) |
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120 { |
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121 TDriveNumber drive; |
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122 TBool driveAvailable = NextValidDrive(drive); |
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123 |
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124 while(driveAvailable) |
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125 { |
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126 // Check if aCrossCheckList also supports the same drive |
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127 if (aCrossCheckList[drive] != 0) |
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128 { |
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129 aDrive = drive; |
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130 break; |
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131 } |
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132 else |
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133 { |
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134 // Try another drive from our master list |
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135 driveAvailable = NextValidDrive(drive); |
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136 } |
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137 } |
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138 // |
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139 return driveAvailable; |
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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 // CMMCScBkupDriveSpecificRequest::CurrentDrive() |
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145 // |
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146 // |
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147 // --------------------------------------------------------------------------- |
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148 TDriveNumber CMMCScBkupDriveSpecificRequest::CurrentDrive() const |
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149 { |
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150 return static_cast<TDriveNumber>(iCurrentDrive); |
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151 } |
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152 |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // CMMCScBkupDriveSpecificRequest::DoCancel() |
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156 // |
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157 // |
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158 // --------------------------------------------------------------------------- |
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159 void CMMCScBkupDriveSpecificRequest::DoCancel() |
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160 { |
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161 } |
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162 |
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163 |
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164 // --------------------------------------------------------------------------- |
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165 // CMMCScBkupDriveSpecificRequest::RunError() |
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166 // |
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167 // |
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168 // --------------------------------------------------------------------------- |
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169 TInt CMMCScBkupDriveSpecificRequest::RunError(TInt aError) |
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170 { |
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171 #ifdef MMCSCBKUP_USE_BREAKPOINTS |
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172 __BREAKPOINT(); |
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173 #endif |
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174 // |
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175 CompleteObserverRequest(aError); |
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176 return KErrNone; |
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177 } |
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178 |
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179 |
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180 // --------------------------------------------------------------------------- |
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181 // CMMCScBkupDriveSpecificRequest::CompleteObserverRequest() |
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182 // |
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183 // |
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184 // --------------------------------------------------------------------------- |
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185 void CMMCScBkupDriveSpecificRequest::CompleteObserverRequest(TInt aCompletionCode) |
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186 { |
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187 __ASSERT_ALWAYS(iObserver != NULL, User::Invariant()); |
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188 User::RequestComplete(iObserver, aCompletionCode); |
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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 // CMMCScBkupDriveSpecificRequest::CompleteSelf() |
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194 // |
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195 // |
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196 // --------------------------------------------------------------------------- |
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197 void CMMCScBkupDriveSpecificRequest::CompleteSelf(TInt aCompletionCode) |
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198 { |
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199 SetActive(); |
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200 TRequestStatus* status = &iStatus; |
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201 User::RequestComplete(status, aCompletionCode); |
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202 } |
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203 |
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204 |