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1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <e32base.h> |
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17 |
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18 #include "MSVIDS.H" |
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19 |
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20 #include "MSVMOVE.H" |
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21 #include "MSVSERV.H" |
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22 #include "MSVPANIC.H" |
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23 #include "MSVUTILS.H" |
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24 #include "msvindexadapter.h" |
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25 |
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26 const TInt KFileWildCard='*'; |
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27 |
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28 //********************************** |
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29 // CMsvMove |
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30 //********************************** |
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31 |
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32 // static |
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33 CMsvMove* CMsvMove::NewL(CMsvServer& aServer) |
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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 CMsvMove* self = new(ELeave) CMsvMove(aServer); |
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39 CleanupStack::PushL(self); |
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40 self->ConstructL(); |
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41 CleanupStack::Pop(); |
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42 return self; |
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43 } |
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44 |
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45 |
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46 CMsvMove::CMsvMove(CMsvServer& aServer) |
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47 : CActive(EPriorityStandard), iServer(aServer), iLockedIndex(-2) |
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48 // |
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49 // |
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50 // |
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51 {} |
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52 |
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53 |
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54 CMsvMove::~CMsvMove() |
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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 Cancel(); |
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60 Reset(); |
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61 delete iFileMan; |
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62 delete iDescendents; |
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63 } |
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64 |
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65 |
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66 void CMsvMove::Reset() |
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67 // |
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68 // NOTE called by d'tor |
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69 // |
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70 { |
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71 if (iDescendents && iLockedIndex!=-2) |
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72 { |
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73 TInt count = iDescendents->Count(); |
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74 while (count-- > iLockedIndex) |
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75 { |
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76 iServer.IndexAdapter().ReleaseEntryAndStore(iDescendents->At(count)); |
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77 } |
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78 |
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79 iDescendents->Reset(); |
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80 } |
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81 iLockedIndex=-2; |
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82 |
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83 delete iTargetPath; |
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84 iTargetPath=NULL; |
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85 } |
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86 |
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87 |
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88 void CMsvMove::ConstructL() |
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89 // |
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90 // |
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91 // |
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92 { |
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93 iFileMan = CFileMan::NewL(iServer.FileSession()); |
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94 iDescendents = new(ELeave) CMsvEntrySelection; |
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95 CActiveScheduler::Add(this); |
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96 } |
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97 |
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98 |
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99 void CMsvMove::RunL() |
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100 // |
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101 // |
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102 // |
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103 { |
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104 TInt error = iStatus.Int(); |
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105 if (error==KErrNone) |
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106 TRAP(error, DoRunL()); |
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107 if (error) |
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108 { |
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109 CleanupFiles(iTargetService); |
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110 iDescendents->Reset(); |
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111 User::RequestComplete(iObserverStatus, error); |
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112 } |
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113 } |
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114 |
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115 |
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116 void CMsvMove::DoRunL() |
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117 // |
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118 // |
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119 // |
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120 { |
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121 if (iState==EIndex) |
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122 { |
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123 // If the entry is not a visible folder and it's visible |
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124 // folder id is changed, the caller should update the |
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125 // visible folder id of all descendents. |
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126 if(!iCurrentEntry->VisibleFolderFlag()) |
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127 { |
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128 User::LeaveIfError(iServer.IndexAdapter().MoveEntry(iSourceId, iTargetId, iDescendents)); |
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129 } |
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130 else |
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131 { |
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132 User::LeaveIfError(iServer.IndexAdapter().MoveEntry(iSourceId, iTargetId)); |
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133 } |
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134 |
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135 CleanupFiles(iSourceService); |
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136 iServer.IndexAdapter().GetEntry(iSourceId, iCurrentEntry); // error ignored as entry exists |
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137 iDescendents->Reset(); |
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138 User::RequestComplete(iObserverStatus, KErrNone); |
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139 return; |
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140 } |
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141 |
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142 FindNextStep(); |
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143 StartNextStep(); |
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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 void CMsvMove::CleanupFiles(TMsvId aService) |
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149 { |
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150 // delete the unwanted copies |
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151 if (iSourceService!=iTargetService) |
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152 { |
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153 TInt count=iDescendents->Count(); |
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154 while (count--) |
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155 { |
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156 TFileName filename(iServer.Context().MessageFolder()); |
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157 TMsvId id = iDescendents->At(count); |
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158 // BFs |
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159 MsvUtils::ConstructEntryName(aService, id, filename, MsvUtils::EFolder); |
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160 iFileMan->Delete(filename, CFileMan::ERecurse); // error ignored |
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161 // BF |
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162 iServer.FileSession().RmDir(filename); // error ignored |
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163 // Store |
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164 filename = iServer.Context().MessageFolder(); |
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165 MsvUtils::ConstructEntryName(aService, id, filename, MsvUtils::EStore); |
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166 iFileMan->Delete(filename); // error ignored |
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167 } |
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168 } |
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169 |
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170 // release the locks |
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171 TInt count = iDescendents->Count(); |
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172 while (count--) |
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173 { |
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174 iServer.IndexAdapter().ReleaseEntryAndStore(iDescendents->At(count)); // error ignored |
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175 } |
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176 |
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177 iLockedIndex=-2; |
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178 } |
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179 |
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180 |
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181 void CMsvMove::DoCancel() |
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182 // |
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183 // CANNOT cancel the fileman operation - so we just have to wait for it to complete normally |
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184 // |
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185 { |
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186 User::RequestComplete(iObserverStatus, KErrCancel); |
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187 } |
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188 |
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189 |
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190 void CMsvMove::StartL(TMsvId aId, TMsvId aTarget, TRequestStatus& aObserverStatus) |
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191 // |
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192 // |
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193 // |
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194 { |
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195 // Fail now if the index says it's not available |
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196 User::LeaveIfError(iServer.IndexAdapter().ErrorState()); |
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197 Reset(); |
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198 |
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199 // check the source and target exists and which service they are under |
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200 User::LeaveIfError(iServer.IndexAdapter().OwningService(aId, iSourceService)); |
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201 User::LeaveIfError(iServer.IndexAdapter().OwningService(aTarget, iTargetService)); |
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202 |
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203 #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT) |
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204 // Movement of entries across drives not supported. |
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205 if(GetDriveId(aId) != GetDriveId(aTarget)) |
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206 { |
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207 User::Leave(KErrNotSupported); |
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208 } |
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209 #endif // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT) |
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210 |
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211 // get the index entry |
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212 iSourceId = aId; |
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213 iServer.IndexAdapter().GetEntry(iSourceId, iCurrentEntry); // error ignored as entry exists |
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214 iParentId = iCurrentEntry->Parent(); |
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215 iTargetId = aTarget; |
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216 iDescendents->AppendL(iSourceId); |
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217 iNextDescendent=1; |
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218 |
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219 __ASSERT_DEBUG(iCurrentEntry->Parent()!=iTargetId, PanicServer(EMsvMtmMovingToSameParent)); |
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220 |
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221 // check if the entry has children |
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222 if (iCurrentEntry->Owner()) |
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223 { |
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224 // check for moving into a descendent |
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225 TBool descendent; |
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226 iServer.IndexAdapter().IsADescendent(aId, aTarget, descendent); // error ignored as both entry exists |
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227 if (descendent) |
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228 User::Leave(KErrArgument); |
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229 |
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230 // get id of all the descendents |
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231 User::LeaveIfError(iServer.IndexAdapter().ExpandSelectionRecursively(*iDescendents)); |
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232 } |
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233 |
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234 // check all the entries can be moved |
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235 CheckEntriesL(); |
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236 |
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237 // determine whether the store/files actually need copying |
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238 iState = (iSourceService==iTargetService ? EIndex : EFolder); |
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239 |
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240 // set up the file copying |
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241 if (iState!=EIndex) |
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242 { |
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243 TFileName targetPath(iServer.Context().MessageFolder()); |
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244 MsvUtils::ConstructEntryName(iTargetService, iTargetService, targetPath, MsvUtils::EPath); |
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245 |
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246 iTargetPath = targetPath.AllocL(); |
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247 iServer.FileSession().MkDirAll(targetPath); |
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248 User::LeaveIfError(iServer.IndexAdapter().GetEntry(iDescendents->At(0), iCurrentEntry)); |
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249 |
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250 // make sure the first step is valid |
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251 TInt result = MsvUtils::HasDirectory(iServer.FileSession(), iServer.Context().MessageFolder(), iSourceService, iCurrentEntry->Id()); |
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252 User::LeaveIfError(result); |
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253 |
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254 if (!result) |
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255 FindNextStep(); |
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256 } |
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257 |
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258 StartNextStep(); |
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259 |
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260 iObserverStatus = &aObserverStatus; |
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261 *iObserverStatus = KRequestPending; |
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262 } |
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263 |
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264 |
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265 void CMsvMove::FindNextStep() |
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266 // |
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267 // |
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268 // |
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269 { |
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270 __ASSERT_DEBUG(iState!=EIndex, PanicServer(EMsvIncorrectStateInFindNextStep)); |
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271 |
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272 FOREVER |
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273 { |
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274 // we have copied the files, check if then entry has a store |
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275 if (iState==EFolder && MsvUtils::HasStore(iServer.FileSession(), iServer.Context().MessageFolder(), iSourceService, iCurrentEntry->Id())) |
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276 { |
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277 iState=EStore; |
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278 break; |
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279 } |
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280 TInt count = iDescendents->Count(); |
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281 |
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282 // are there any entries left to check |
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283 if (iNextDescendent==count) |
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284 { |
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285 iState=EIndex; |
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286 break; |
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287 } |
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288 |
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289 // find the next descendent which still exists |
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290 FOREVER |
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291 { |
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292 TBool error = EFalse; |
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293 error = iServer.IndexAdapter().GetEntry(iDescendents->At(iNextDescendent++), iCurrentEntry); |
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294 if (error==KErrNone) |
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295 { |
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296 break; |
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297 } |
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298 } |
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299 |
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300 iState = EFolder; |
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301 if (MsvUtils::HasDirectory(iServer.FileSession(), iServer.Context().MessageFolder(), iSourceService, iCurrentEntry->Id())) |
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302 break; |
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303 |
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304 } |
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305 } |
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306 |
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307 |
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308 void CMsvMove::StartNextStep() |
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309 // |
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310 // |
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311 // |
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312 { |
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313 TInt error; |
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314 switch (iState) |
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315 { |
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316 case EFolder: |
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317 error = SetupFileCopy(); |
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318 break; |
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319 case EStore: |
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320 error = SetupStoreCopy(); |
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321 break; |
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322 default: |
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323 error=KErrNone; |
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324 } |
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325 |
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326 if (iStatus!=KRequestPending) |
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327 { |
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328 // either the store/file copy has failed or the state is EIndex |
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329 iStatus=KRequestPending; |
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330 TRequestStatus* st = &iStatus; |
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331 User::RequestComplete(st, error); |
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332 } |
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333 |
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334 SetActive(); |
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335 } |
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336 |
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337 |
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338 void CMsvMove::CheckEntriesL() |
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339 // |
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340 // |
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341 // |
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342 { |
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343 iLockedIndex = iDescendents->Count(); |
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344 while (iLockedIndex) |
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345 { |
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346 TMsvId id = iDescendents->At(iLockedIndex-1); |
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347 |
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348 // lock the entry |
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349 User::LeaveIfError(iServer.IndexAdapter().LockEntryAndStore(id)); |
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350 iLockedIndex--; |
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351 |
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352 // check noone is reading the store (reading the store now doesn't |
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353 // keep the file open, therefore we can't rely on checking the file to stop |
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354 // deleting while reading |
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355 TBool reading=EFalse; |
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356 User::LeaveIfError(iServer.IndexAdapter().IsStoreReadingLocked(id,reading)); |
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357 if(reading) User::Leave(KErrInUse); |
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358 |
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359 // get the entry |
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360 TMsvEntry* entry; |
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361 User::LeaveIfError(iServer.IndexAdapter().GetEntry(id, entry)); |
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362 // check the store |
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363 TFileName filename; |
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364 iServer.GetEntryName(id, filename, EFalse); |
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365 TBool open; |
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366 TInt error = iServer.FileSession().IsFileOpen(filename, open); |
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367 if (error != KErrNotFound && error!=KErrPathNotFound) |
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368 { |
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369 if (error != KErrNone) |
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370 User::Leave(error); |
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371 if (open) |
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372 User::Leave(KErrInUse); |
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373 } |
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374 |
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375 // check any files |
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376 CDir* dir; |
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377 error = iServer.GetFileDirectoryListing(id, filename, dir); |
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378 if (error == KErrNone) |
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379 { |
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380 CleanupStack::PushL(dir); |
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381 User::LeaveIfError(iServer.FileSession().SetSessionPath(filename)); |
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382 TInt fCount=dir->Count(); |
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383 if (fCount--) |
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384 { |
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385 TBool open; |
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386 User::LeaveIfError(iServer.FileSession().IsFileOpen((*dir)[fCount].iName, open)); |
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387 if (open) |
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388 User::Leave(KErrInUse); |
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389 } |
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390 CleanupStack::PopAndDestroy(); // dir |
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391 } |
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392 else if (error != KErrPathNotFound) |
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393 User::Leave(error); |
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394 } |
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395 } |
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396 |
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397 |
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398 TInt CMsvMove::SetupStoreCopy() |
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399 // |
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400 // |
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401 // |
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402 { |
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403 TFileName storeName; |
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404 iServer.GetEntryName(iCurrentEntry->Id(), storeName, EFalse); |
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405 |
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406 TFileName targetPath(*iTargetPath); |
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407 TBuf<1> dir; |
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408 dir.NumFixedWidth(iCurrentEntry->Id()&0xf, EHex, 1); |
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409 targetPath.Append(dir); |
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410 _LIT(KDirSep,"\\"); |
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411 targetPath.Append(KDirSep); |
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412 iServer.FileSession().MkDirAll(targetPath); // ignore errors, if it failed to create the directory the next line will fail |
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413 return iFileMan->Copy(storeName, targetPath, CFileMan::EOverWrite, iStatus); |
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414 } |
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415 |
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416 |
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417 TInt CMsvMove::SetupFileCopy() |
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418 // |
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419 // |
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420 // |
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421 { |
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422 // construct source directory |
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423 TFileName sourceFileDirectory; |
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424 iServer.GetEntryName(iCurrentEntry->Id(), sourceFileDirectory, ETrue); |
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425 sourceFileDirectory.Append(KFileWildCard); |
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426 // construct target directory |
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427 TFileName targetFileDirectory(*iTargetPath); |
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428 TBuf<KFileNameFixedWidth> dir; |
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429 dir.NumFixedWidth(iCurrentEntry->Id()&0xf, EHex, 1); |
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430 targetFileDirectory.Append(dir); |
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431 _LIT(KDirSep,"\\"); |
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432 targetFileDirectory.Append(KDirSep); |
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433 dir.NumFixedWidth(iCurrentEntry->Id(), EHex, KFileNameFixedWidth); |
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434 targetFileDirectory.Append(dir); |
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435 targetFileDirectory.Append(KMsvBinaryFolderExt); |
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436 // setup the copy |
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437 return iFileMan->Copy(sourceFileDirectory, targetFileDirectory, CFileMan::EOverWrite|CFileMan::ERecurse, iStatus); |
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438 } |
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439 |
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440 |
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441 |
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442 void CMsvMove::StartL(TMsvId aId, TMsvId aTarget) |
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443 // |
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444 // |
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445 // |
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446 { |
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447 // Fail now if the index says it's not available |
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448 User::LeaveIfError(iServer.IndexAdapter().ErrorState()); |
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449 |
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450 #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT) |
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451 // Movement of entries across drives not supported. |
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452 if(GetDriveId(aId) != GetDriveId(aTarget)) |
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453 { |
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454 User::Leave(KErrNotSupported); |
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455 } |
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456 #endif // #if (defined SYMBIAN_MSGS_ENHANCED_REMOVABLE_MEDIA_SUPPORT) |
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457 |
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458 // check the spource and target exists and which service they are under |
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459 User::LeaveIfError(iServer.IndexAdapter().OwningService(aId, iSourceService)); |
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460 User::LeaveIfError(iServer.IndexAdapter().OwningService(aTarget, iTargetService)); |
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461 __ASSERT_ALWAYS(iSourceService==iTargetService, PanicServer(EMsvMovingentryAccrossServices)); |
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462 |
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463 // get the index entry |
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464 iSourceId = aId; |
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465 iServer.IndexAdapter().GetEntry(iSourceId, iCurrentEntry); // error ignored as entry exists |
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466 iParentId = iCurrentEntry->Parent(); |
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467 iTargetId = aTarget; |
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468 |
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469 iDescendents->Reset(); |
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470 iDescendents->AppendL(iSourceId); |
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471 iNextDescendent=1; |
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472 |
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473 __ASSERT_DEBUG(iCurrentEntry->Parent()!=iTargetId, PanicServer(EMsvMtmMovingToSameParent)); |
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474 |
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475 // check if the entry has children |
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476 if (iCurrentEntry->Owner()) |
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477 { |
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478 // check for moving into a descendent |
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479 TBool descendent; |
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480 iServer.IndexAdapter().IsADescendent(aId, aTarget, descendent); // error ignored as both entry exists |
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481 if (descendent) |
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482 User::Leave(KErrArgument); |
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483 |
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484 // get id of all the descendents |
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485 User::LeaveIfError(iServer.IndexAdapter().ExpandSelectionRecursively(*iDescendents)); |
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486 } |
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487 |
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488 // check all the entries can be moved |
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489 CheckEntriesL(); |
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490 |
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491 // move the entry |
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492 if(!iCurrentEntry->VisibleFolderFlag()) |
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493 { |
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494 User::LeaveIfError(iServer.IndexAdapter().MoveEntry(iSourceId, iTargetId, iDescendents)); |
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495 } |
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496 else |
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497 { |
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498 User::LeaveIfError(iServer.IndexAdapter().MoveEntry(iSourceId, iTargetId)); |
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499 } |
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500 |
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501 // release the locks |
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502 TInt count = iDescendents->Count(); |
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503 while (count--) |
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504 { |
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505 iServer.IndexAdapter().ReleaseEntryAndStore(iDescendents->At(count)); // error ignored |
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506 } |
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507 |
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508 iLockedIndex=-2; |
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509 } |
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510 |
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511 //********************************** |
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512 // CMsvMoveEntries |
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513 //********************************** |
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514 |
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515 // static |
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516 CMsvMoveEntries* CMsvMoveEntries::NewL(CMsvServer& aServer) |
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517 // |
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518 // |
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519 // |
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520 { |
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521 CMsvMoveEntries* self = new(ELeave) CMsvMoveEntries(); |
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522 CleanupStack::PushL(self); |
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523 self->ConstructL(aServer); |
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524 CleanupStack::Pop(); |
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525 return self; |
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526 } |
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527 |
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528 |
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529 CMsvMoveEntries::CMsvMoveEntries() : |
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530 CMsvCopyMoveEntriesBase() |
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531 // |
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532 // |
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533 // |
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534 {} |
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535 |
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536 |
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537 CMsvMoveEntries::~CMsvMoveEntries() |
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538 // |
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539 // |
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540 // |
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541 { |
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542 delete iMove; |
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543 } |
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544 |
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545 |
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546 void CMsvMoveEntries::ConstructL(CMsvServer& aServer) |
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547 // |
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548 // |
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549 // |
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550 { |
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551 iMove = CMsvMove::NewL(aServer); |
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552 CMsvCopyMoveEntriesBase::ConstructL(); |
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553 } |
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554 |
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555 |
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556 void CMsvMoveEntries::DoCancel() |
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557 // |
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558 // |
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559 // |
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560 { |
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561 iMove->Cancel(); |
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562 User::RequestComplete(iObserverStatus, KErrCancel); |
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563 } |
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564 |
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565 |
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566 void CMsvMoveEntries::DoStartL(TMsvId aSourceId, TMsvId aTargetId, TRequestStatus& aObserverStatus) |
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567 // |
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568 // |
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569 // |
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570 { |
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571 iMove->StartL(aSourceId, aTargetId, aObserverStatus); |
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572 } |