1 /* |
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2 * Copyright (c) 2005-2006 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 "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: Delete a file or directory |
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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 "rsfwdeletestatemachine.h" |
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20 #include "rsfwfileentry.h" |
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21 #include "rsfwfiletable.h" |
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22 #include "rsfwinterface.h" |
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23 #include "rsfwfileengine.h" |
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24 #include "mdebug.h" |
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25 #include "rsfwdirent.h" |
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26 |
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27 |
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28 // ---------------------------------------------------------------------------- |
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29 // CRsfwDeleteStateMachine::CRsfwDeleteStateMachine |
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30 // ---------------------------------------------------------------------------- |
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31 // |
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32 CRsfwDeleteStateMachine::CRsfwDeleteStateMachine(TUint aNodeType) |
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33 : iNodeType(aNodeType) |
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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 // CRsfwDeleteStateMachine::~CRsfwDeleteStateMachine |
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39 // ---------------------------------------------------------------------------- |
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40 // |
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41 CRsfwDeleteStateMachine::~CRsfwDeleteStateMachine() |
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42 { |
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43 iDirEnts.ResetAndDestroy(); |
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44 } |
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45 |
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46 // ---------------------------------------------------------------------------- |
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47 // CRsfwDeleteStateMachine::CompleteRequestL |
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48 // ---------------------------------------------------------------------------- |
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49 // |
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50 CRsfwRfeStateMachine::TState* CRsfwDeleteStateMachine::CompleteRequestL(TInt aError) |
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51 { |
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52 if (iKidPath) |
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53 { |
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54 delete iKidPath; |
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55 iKidPath = NULL; |
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56 } |
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57 |
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58 // If the return code was KErrInUse, the directory we were about to delete |
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59 // was not empty, and we couldn't delete it. In this case it has anyway |
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60 //been added to the cache (as a side effect), |
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61 // so we don't want to delete the fep. |
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62 if (aError != KErrInUse && iKidCreated) |
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63 { |
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64 delete iKidFep; |
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65 iKidFep = NULL; |
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66 } |
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67 |
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68 CompleteAndDestroyState()->SetErrorCode(aError); |
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69 return CompleteAndDestroyState(); |
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70 } |
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71 |
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72 // Check if exists |
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73 |
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74 |
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75 // ---------------------------------------------------------------------------- |
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76 // CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::TCheckIfCanBeDeleted |
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77 // ---------------------------------------------------------------------------- |
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78 // |
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79 CRsfwDeleteStateMachine:: |
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80 TCheckIfCanBeDeleted::TCheckIfCanBeDeleted(CRsfwDeleteStateMachine* aParent) |
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81 : iOperation(aParent) |
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82 { |
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83 } |
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84 |
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85 // ---------------------------------------------------------------------------- |
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86 // CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::EnterL |
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87 // ---------------------------------------------------------------------------- |
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88 // |
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89 void CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::EnterL() |
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90 { |
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91 // Kidname is in the same place in remove and rmdir structures,,, |
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92 TRfeRemoveInArgs* inArgs = |
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93 static_cast<TRfeRemoveInArgs*>(iOperation->iInArgs); |
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94 TPtrC kidName(inArgs->iName); |
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95 |
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96 // the parent from which we are removing |
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97 if (!iOperation->Node()) |
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98 { |
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99 User::Leave(KErrNotFound); |
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100 } |
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101 |
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102 DEBUGSTRING16(("removing entry '%S' from fid %d", |
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103 &kidName, |
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104 iOperation->Node()->Fid().iNodeId)); |
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105 |
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106 // Do we know about the kid yet? |
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107 iOperation->iKidFep = iOperation->Node()->FindKidByName(kidName); |
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108 if (!iOperation->iKidFep) |
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109 { |
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110 // Create a temporary file entry for the target |
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111 iOperation->iKidFep = CRsfwFileEntry::NewL(kidName, iOperation->Node()); |
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112 iOperation->iKidCreated = ETrue; |
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113 } |
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114 |
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115 // Ensure the type matches with the operation (RmDir() or Delete()) |
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116 if ((iOperation->iKidFep->Type() != KNodeTypeUnknown) && |
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117 (iOperation->iKidFep->Type() != iOperation->iNodeType)) |
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118 { |
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119 DEBUGSTRING(("object type does not match the parameter type!")); |
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120 User::Leave(KErrArgument); |
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121 } |
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122 |
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123 // if the type is unknown, set it from the operation parameter |
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124 if (iOperation->iKidFep->Type() == KNodeTypeUnknown) |
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125 { |
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126 iOperation->iKidFep->SetType(iOperation->iNodeType); |
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127 } |
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128 |
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129 // If it is a directory, check that it is empty |
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130 if (!iOperation->FileEngine()->Disconnected() && |
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131 iOperation->iNodeType == KNodeTypeDir) |
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132 { |
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133 TInt zero = 0; |
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134 iOperation->FileEngine()-> |
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135 FetchAndCacheL(*iOperation->iKidFep, |
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136 0, |
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137 &zero, |
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138 &iOperation->iDirEnts, |
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139 iOperation); |
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140 } |
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141 else |
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142 { |
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143 iOperation->HandleRemoteAccessResponse(0, KErrNone); |
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144 } |
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145 } |
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146 |
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147 // ---------------------------------------------------------------------------- |
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148 // CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::CompleteL |
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149 // ---------------------------------------------------------------------------- |
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150 // |
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151 CRsfwDeleteStateMachine::TState* |
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152 CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::CompleteL() |
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153 { |
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154 if ((iOperation->iNodeType == KNodeTypeDir) && |
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155 ((iOperation->iDirEnts).Count() > 0)) |
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156 { |
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157 // Attach the directory itself if it was unknown |
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158 if (iOperation->iKidCreated) |
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159 { |
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160 iOperation->FileEngine()->iFileTable->AddL(iOperation->iKidFep); |
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161 iOperation->Node()->AddKid(*iOperation->iKidFep); |
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162 } |
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163 |
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164 // if the directory is not empty we cannot delete it |
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165 // however, let's add its entries to the cache |
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166 iOperation->FileEngine()->AddToCacheL( |
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167 *iOperation->iKidFep, |
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168 &iOperation->iDirEnts, |
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169 iOperation->FileEngine(), |
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170 0); |
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171 |
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172 return iOperation->CompleteRequestL(KErrInUse); |
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173 } |
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174 else |
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175 { |
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176 return new CRsfwDeleteStateMachine::TDeleteNodeState(iOperation); |
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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 // CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::ErrorL |
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182 // ---------------------------------------------------------------------------- |
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183 // |
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184 CRsfwDeleteStateMachine::TState* |
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185 CRsfwDeleteStateMachine::TCheckIfCanBeDeleted::ErrorL(TInt aCode) |
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186 { |
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187 DEBUGSTRING(("kid didn't exist!")); |
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188 return iOperation->CompleteRequestL(aCode); |
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189 } |
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190 |
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191 // Remove directory |
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192 |
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193 // ---------------------------------------------------------------------------- |
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194 // CRsfwDeleteStateMachine::TDeleteNodeState::TDeleteNodeState |
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195 // ---------------------------------------------------------------------------- |
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196 // |
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197 CRsfwDeleteStateMachine:: |
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198 TDeleteNodeState::TDeleteNodeState(CRsfwDeleteStateMachine* aParent) |
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199 : iOperation(aParent) |
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200 { |
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201 } |
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202 |
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203 // ---------------------------------------------------------------------------- |
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204 // CRsfwDeleteStateMachine::TDeleteNodeState::EnterL |
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205 // ---------------------------------------------------------------------------- |
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206 // |
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207 void CRsfwDeleteStateMachine::TDeleteNodeState::EnterL() |
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208 { |
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209 // Get the path for the actual remove |
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210 iOperation->iKidPath = |
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211 iOperation->FileEngine()->FullNameL(*iOperation->iKidFep); |
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212 if (!iOperation->FileEngine()->Disconnected()) |
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213 { |
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214 if (iOperation->iNodeType == KNodeTypeDir) |
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215 { |
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216 iOperation-> |
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217 FileEngine()-> |
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218 RemoteAccessL()->DeleteDirectoryL(*iOperation->iKidPath, |
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219 iOperation); |
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220 } |
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221 else // KNodeTypFile |
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222 { |
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223 iOperation-> |
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224 FileEngine()-> |
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225 RemoteAccessL()->DeleteFileL(*iOperation->iKidPath, |
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226 iOperation); |
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227 } |
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228 } |
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229 else |
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230 { |
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231 // Disconnected |
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232 iOperation->HandleRemoteAccessResponse(0, KErrNone); |
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233 } |
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234 } |
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235 |
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236 // ---------------------------------------------------------------------------- |
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237 // CRsfwDeleteStateMachine::TDeleteNodeState::CompleteL |
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238 // ---------------------------------------------------------------------------- |
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239 // |
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240 CRsfwDeleteStateMachine::TState* CRsfwDeleteStateMachine::TDeleteNodeState::CompleteL() |
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241 { |
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242 if (!iOperation->FileEngine()->Disconnected()) |
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243 { |
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244 // If the target was already known, remove and destroy it |
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245 if (!iOperation->iKidCreated) |
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246 { |
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247 iOperation->FileEngine()->iFileTable->RemoveL(iOperation->iKidFep); |
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248 delete iOperation->iKidFep; |
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249 iOperation->iKidFep = NULL; |
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250 } |
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251 } |
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252 |
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253 iOperation->Node()->SetLocallyDirty(); |
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254 return iOperation->CompleteRequestL(KErrNone); |
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255 } |
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256 |
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257 // ---------------------------------------------------------------------------- |
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258 // CRsfwDeleteStateMachine::TDeleteNodeState::ErrorL |
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259 // ---------------------------------------------------------------------------- |
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260 // |
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261 CRsfwDeleteStateMachine::TState* |
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262 CRsfwDeleteStateMachine::TDeleteNodeState::ErrorL(TInt aCode) |
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263 { |
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264 return iOperation->CompleteRequestL(aCode); |
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265 } |
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266 |
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267 |
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268 |
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