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1 /* |
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2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of 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: |
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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 <f32file.h> |
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21 #include <apmstd.h> |
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22 |
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23 #include "contentIterator.h" |
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24 #include "virtualpath.h" |
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25 #include "content.h" |
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26 #include "manager.h" |
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27 #include "embeddedobject.h" |
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28 #include "FileContentIteratorBase.h" |
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29 #include "EmbeddedcontentIterator.h" |
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30 |
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31 using namespace ContentAccess; |
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32 |
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33 _LIT(KCAFBackSlashCharacter, "\\"); |
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34 |
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35 |
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36 CFileContentIteratorBase* CFileContentIteratorBase::NewL(CManager &aManager, const TDesC& aPath, TBool aRecursive, const TDesC8& aMimeType) |
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37 { |
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38 CFileContentIteratorBase* self = new (ELeave) CFileContentIteratorBase(aManager, aPath, aRecursive, aMimeType); |
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39 CleanupStack::PushL(self); |
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40 self->ConstructL(); |
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41 CleanupStack::Pop(self); |
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42 return self; |
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43 } |
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44 |
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45 CFileContentIteratorBase::CFileContentIteratorBase(CManager& aManager, const TDesC& aPath, TBool aRecursive, const TDesC8& aMimeType) : |
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46 iManager(aManager), iPath(aPath), iRecursive(aRecursive), iMimeType(aMimeType) |
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47 { |
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48 iDirIndex = 0; |
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49 iFileIndex = 0; |
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50 } |
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51 |
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52 void CFileContentIteratorBase::ConstructL() |
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53 { |
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54 // Get our list of files and directories |
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55 User::LeaveIfError(iManager.GetDir(iPath, ESortByName, KEntryAttNormal, iCurrentFileList, iCurrentDirectoryList)); |
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56 |
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57 if(!iRecursive) |
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58 { |
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59 // Won't be needing the list of directories |
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60 delete iCurrentDirectoryList; |
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61 iCurrentDirectoryList = NULL; |
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62 } |
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63 |
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64 // Find the Next, (ie. first content object) inside this directory |
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65 // This will leave if nothing was found |
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66 User::LeaveIfError(Next()); |
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67 } |
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68 |
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69 CFileContentIteratorBase::~CFileContentIteratorBase() |
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70 { |
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71 delete iSubIterator; |
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72 delete iCurrentDirectoryList; |
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73 delete iCurrentFileList; |
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74 delete iNewPath; |
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75 } |
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76 |
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77 const TDesC& CFileContentIteratorBase::FileName() const |
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78 { |
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79 return iSubIterator->FileName(); |
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80 } |
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81 |
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82 const TDesC& CFileContentIteratorBase::UniqueId() const |
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83 { |
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84 return iSubIterator->UniqueId(); |
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85 } |
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86 |
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87 const TDesC& CFileContentIteratorBase::Name() const |
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88 { |
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89 return iSubIterator->Name(); |
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90 } |
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91 |
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92 const TDesC8& CFileContentIteratorBase::MimeType() const |
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93 { |
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94 return iSubIterator->MimeType(); |
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95 } |
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96 |
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97 TInt CFileContentIteratorBase::Next() |
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98 { |
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99 _LIT(KSysDirEntry, "sys"); |
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100 |
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101 TInt ret = KErrNotFound; |
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102 |
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103 // If we are already looking into some sub container, try finding the next in there |
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104 if(iSubIterator) |
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105 { |
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106 ret = iSubIterator->Next(); |
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107 if(ret == KErrNone) |
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108 { |
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109 return ret; |
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110 } |
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111 else |
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112 { |
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113 // Delete sub-iterator |
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114 delete iSubIterator; |
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115 iSubIterator = NULL; |
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116 delete iNewPath; |
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117 iNewPath = NULL; |
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118 } |
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119 } |
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120 |
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121 |
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122 // Search files in our directory first |
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123 // this allows us to free memory used by iCurrentFileList |
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124 // before recursing into sub-directories |
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125 if(iCurrentFileList) |
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126 { |
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127 for ( ; iFileIndex < iCurrentFileList->Count(); iFileIndex++) |
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128 { |
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129 // Get a reference to the file we are interested in |
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130 const TEntry &entry = (*iCurrentFileList)[iFileIndex]; |
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131 |
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132 // create a new path string for the sub directory |
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133 TRAP(ret, iNewPath = HBufC::NewL(iPath.Length() + entry.iName.Length())); |
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134 if(ret != KErrNone) |
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135 { |
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136 return ret; |
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137 } |
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138 iNewPath->Des().Append(iPath); |
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139 iNewPath->Des().Append(entry.iName); |
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140 |
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141 // Look inside the file |
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142 TRAP(ret, iSubIterator = CEmbeddedContentIterator::NewL(TVirtualPathPtr(*iNewPath, KNullDesC()), iRecursive, iMimeType)); |
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143 |
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144 if(ret == KErrNone) |
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145 { |
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146 // must have found something in the file |
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147 // make sure next time we look at the next item in our list |
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148 iFileIndex++; |
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149 return KErrNone; |
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150 } |
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151 // next iteration |
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152 delete iNewPath; |
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153 iNewPath = NULL; |
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154 } |
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155 delete iCurrentFileList; |
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156 iCurrentFileList = NULL; |
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157 } |
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158 |
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159 |
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160 if(iRecursive) |
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161 { |
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162 // Search sub directories |
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163 for ( ; iDirIndex < iCurrentDirectoryList->Count(); iDirIndex++) |
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164 { |
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165 // Get a reference to the directory we are interested in |
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166 const TEntry &entry = (*iCurrentDirectoryList)[iDirIndex]; |
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167 |
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168 // make sure it's not the sys directory |
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169 if(KSysDirEntry().CompareF(entry.iName) == 0 && iPath.Length() == 3) |
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170 { |
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171 // go to the next iteration, skip the sys directory |
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172 continue; |
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173 } |
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174 |
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175 // create a new path string for the sub directory |
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176 TRAP(ret, iNewPath = HBufC::NewL(iPath.Length() + 1 + entry.iName.Length())); |
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177 if(ret != KErrNone) |
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178 { |
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179 return ret; |
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180 } |
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181 iNewPath->Des().Append(iPath); |
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182 iNewPath->Des().Append(entry.iName); |
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183 iNewPath->Des().Append(KCAFBackSlashCharacter); |
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184 |
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185 |
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186 // lets look inside the directory |
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187 TRAP(ret, iSubIterator = CFileContentIteratorBase::NewL(iManager, *iNewPath, iRecursive, iMimeType)); |
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188 |
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189 if(ret == KErrNone) |
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190 { |
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191 // must have found something in the sub-iterator |
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192 // make sure next time we look at the next item in our list |
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193 iDirIndex++; |
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194 return KErrNone; |
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195 } |
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196 // next iteration |
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197 delete iNewPath; |
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198 iNewPath = NULL; |
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199 } |
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200 } |
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201 |
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202 // reached the end of our list of directories and list of files |
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203 return KErrNotFound; |
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204 } |