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1 /* |
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2 * Copyright (c) 2007-2008 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: |
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15 * |
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16 * Copyright © 2007-2008 Nokia. All rights reserved. |
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17 * This material, including documentation and any related computer |
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18 * programs, is protected by copyright controlled by Nokia. All |
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19 * rights are reserved. Copying, including reproducing, storing, |
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20 * adapting or translating, any or all of this material requires the |
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21 * prior written consent of Nokia. This material also contains |
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22 * confidential information which may not be disclosed to others |
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23 * without the prior written consent of Nokia. |
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24 |
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25 * |
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26 * |
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27 */ |
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28 |
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29 |
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30 // =========================================================================== |
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31 // Included headers |
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32 |
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33 |
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34 #include <bldvariant.hrh> // for feature definitions |
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35 |
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36 #include <f32file.h> |
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37 #include <centralrepository.h> |
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38 #include <pathinfo.h> |
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39 #include <StringLoader.h> |
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40 |
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41 #include <cameraapp.rsg> |
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42 #include <vgacamsettings.rsg> |
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43 |
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44 #include "CamPanic.h" |
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45 #include "CamUtility.h" // PRINT macros |
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46 #include "CameraappPrivateCRKeys.h" |
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47 #include "camfolderutility.h" |
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48 |
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49 |
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50 // =========================================================================== |
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51 // Local constants |
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52 |
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53 static const TInt KMultipleFolderNumberChars = 2; |
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54 static const TInt KMaxMonthFolders = 260; |
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55 static const TInt KBase10 = 10; |
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56 static const TInt KCamMonthFolderNameLength = 8; |
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57 |
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58 |
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59 _LIT( KCamMonthFolderFormat, "%F%Y%M" ); |
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60 _LIT( KBackslash, "\\" ); |
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61 _LIT( KCharacterOffset, "A" ); |
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62 _LIT( KDigitOffset, "0" ); |
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63 _LIT( KMaxCharacter, "Z" ); |
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64 _LIT( KWildCardCharacter, "?" ); |
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65 |
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66 |
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67 |
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68 // =========================================================================== |
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69 // CCamFolderUtility implementation |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // GetBasePathL |
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73 // Generates the path where new images/videos are to be saved to. |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 void |
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77 CCamFolderUtility::GetBasePathL( TInt* aMonthCounters, |
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78 TInt aStorage, // TCamMediaStorage |
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79 TDes& aPath, |
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80 TCamCameraMode aCaptureMode, |
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81 TBool aCreateAll, |
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82 TInt aRequiredFileCount, |
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83 TTime aTime ) |
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84 { |
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85 PRINT( _L("Camera => CCamFolderUtility::GetBasePathL")) |
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86 |
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87 TInt folderTypeIndex = 0; |
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88 |
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89 if ( ( aStorage == ECamMediaStoragePhone ) ) // Saving to phone memory |
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90 { |
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91 // phone folders are in the odd indexes |
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92 folderTypeIndex ++; |
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93 PRINT( _L("Camera GetBasePathL saving to phone memory")) |
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94 aPath.Copy( PathInfo::PhoneMemoryRootPath() ); |
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95 } |
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96 // with multiple drives, mass storage is the default, like phone memory used to be. |
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97 else if ( aStorage == ECamMediaStorageMassStorage ) // Saving to mass storage memory |
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98 { |
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99 PRINT( _L("Camera GetBasePathL saving to mass storage memory")) |
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100 // Get the root path of the mass storage drive. |
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101 TInt drive; |
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102 TInt err = DriveInfo::GetDefaultDrive( DriveInfo::EDefaultMassStorage, drive ); |
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103 TFileName path; |
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104 err = PathInfo::GetRootPath( path, drive ); |
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105 aPath.Copy(path); |
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106 } |
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107 else // Saving to MMC |
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108 { |
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109 PRINT( _L("Camera GetBasePathL saving to memory card")) |
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110 // Get the root path of the mmc. |
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111 TInt drive; |
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112 TInt err = DriveInfo::GetDefaultDrive( DriveInfo::EDefaultRemovableMassStorage, drive ); |
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113 TFileName path; |
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114 err = PathInfo::GetRootPath( path, drive ); |
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115 aPath.Copy(path); |
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116 } |
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117 |
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118 // Append the folder to the path |
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119 if ( ECamControllerVideo == aCaptureMode ) |
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120 { |
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121 aPath.Append( PathInfo::VideosPath() ); |
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122 // video folders are offset to ECamFolderTypeVideoMMC |
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123 folderTypeIndex += ECamFolderTypeVideoMMC; |
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124 } |
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125 else |
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126 { |
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127 aPath.Append( PathInfo::ImagesPath() ); |
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128 } |
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129 // Copied from below |
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130 TBuf<KMaxNameBaseLength> cameraFolder; // "Camera" |
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131 StringLoader::Load( cameraFolder, R_CAM_CAMERA_SUBFOLDER ); |
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132 |
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133 RFs rfs; |
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134 User::LeaveIfError( rfs.Connect() ); |
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135 CleanupClosePushL( rfs ); |
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136 |
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137 TFileName fn( aPath ); |
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138 fn.Append( cameraFolder ); |
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139 TEntry entry; |
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140 TInt err2 = rfs.Entry(fn, entry ); |
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141 |
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142 if( KErrNone == err2 ) |
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143 { |
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144 if (!entry.IsDir( )) |
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145 { |
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146 RBuf newName; |
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147 CleanupClosePushL( newName); |
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148 newName.CreateL( fn.Length() + 4 ); |
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149 newName.Copy( fn ); |
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150 newName.Append(_L(".bak")); |
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151 TInt error = rfs.Rename( fn, newName ); |
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152 if ( error != KErrNone ) |
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153 { |
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154 User::LeaveIfError( rfs.Delete( fn ) ); |
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155 } |
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156 CleanupStack::PopAndDestroy( &newName ); |
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157 } |
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158 } |
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159 // Add a folder for the current month |
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160 // Use the specified time to determine the year and month. |
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161 // If this is 0 then use the current time. |
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162 TTime now = aTime; |
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163 if ( now.Int64() == TInt64( 0 ) ) |
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164 { |
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165 now.HomeTime(); |
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166 } |
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167 TBuf<KCamMonthFolderNameLength> monthFolder; |
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168 now.FormatL( monthFolder, KCamMonthFolderFormat ); |
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169 // If the month folder name is different to the last used month folder name |
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170 // this indicates that a new month has been started. All the counters will |
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171 // need to be reinitialised |
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172 |
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173 // Get last used folder name |
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174 TBuf<KCamMonthFolderNameLength> previousMonthFolder; |
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175 CRepository* cr = CRepository::NewLC( KCRUidCameraappSettings ); |
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176 cr->Get( KCamCrLastUsedMonthFolder, previousMonthFolder ); |
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177 |
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178 // Compare to current folder name, if different then reset all counters |
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179 if ( monthFolder.Compare( previousMonthFolder) != 0 ) |
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180 { |
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181 ResetCounters( aMonthCounters ); |
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182 // Write month folder name to shared data |
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183 cr->Set( KCamCrLastUsedMonthFolder, monthFolder ); |
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184 } |
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185 CleanupStack::PopAndDestroy( cr ); |
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186 // TBuf<KMaxNameBaseLength> cameraFolder; |
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187 // StringLoader::Load( cameraFolder, R_CAM_CAMERA_SUBFOLDER ); |
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188 aPath.Append( cameraFolder ); |
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189 aPath.Append( KBackslash ); |
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190 aPath.Append( monthFolder ); |
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191 aPath.Append( KBackslash ); |
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192 |
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193 // Keep track of the month folder (YYYYMM) name length |
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194 // This may be returned e.g.if the month counter destination folder (YYYYMMXX) is |
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195 // not created |
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196 TInt monthFolderLength = aPath.Length(); |
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197 |
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198 // ensure the path exists |
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199 TInt err = rfs.MkDirAll( aPath ); |
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200 |
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201 // If the folder is newly created then set the counter to 0 |
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202 if ( KErrNone == err ) aMonthCounters[folderTypeIndex] = 0; |
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203 else if ( KErrAlreadyExists == err ) err = KErrNone; |
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204 else User::Leave( err ); |
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205 |
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206 |
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207 // If the month counter is uninitialised it needs to be set up |
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208 if ( aMonthCounters[folderTypeIndex] < 0 ) |
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209 { |
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210 User::LeaveIfError( InitialiseMonthCounter( aMonthCounters, |
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211 aPath, |
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212 monthFolder, |
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213 rfs, |
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214 folderTypeIndex ) ); |
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215 } |
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216 aPath.Append( monthFolder ); |
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217 // Only ensure the folder exists (and has space) if the aCreateAll flag is set |
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218 if ( aCreateAll ) |
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219 { |
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220 PRINT( _L("Camera GetBasePathL creating month counter folder") ) |
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221 // This adds on the correct counter if completing without error |
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222 User::LeaveIfError( CreateDestinationFolder( aMonthCounters, |
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223 aPath, |
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224 rfs, |
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225 folderTypeIndex, |
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226 aRequiredFileCount ) ); |
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227 } |
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228 else |
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229 { |
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230 TInt monthCounter = aMonthCounters[folderTypeIndex]; |
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231 aPath.Append( KCharacterOffset()[0] + monthCounter/KBase10 ); |
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232 aPath.Append( KDigitOffset()[0] + monthCounter%KBase10 ); |
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233 aPath.Append( KBackslash ); |
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234 // If the folder does not exist then remove the final folder name from the path |
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235 //TEntry entry; |
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236 |
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237 if ( rfs.Entry( aPath, entry ) == KErrNotFound ) |
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238 { |
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239 aPath.SetLength( monthFolderLength ); |
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240 } |
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241 } |
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242 CleanupStack::PopAndDestroy( &rfs ); |
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243 |
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244 PRINT( _L("Camera <= CCamAppController::GetBasePathL returning") ) |
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245 } |
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246 |
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247 |
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248 // --------------------------------------------------------------------------- |
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249 // ResetCounters |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 void |
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253 CCamFolderUtility::ResetCounters( TInt* aMonthCounters, |
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254 TInt aFrom, |
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255 TInt aTo ) |
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256 { |
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257 PRINT( _L("Camera => CCamFolderUtility::ResetCounters") ) |
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258 { |
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259 for( TInt i = aFrom; i <= aTo; i++ ) |
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260 { |
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261 aMonthCounters[i] = -1; |
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262 } |
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263 } |
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264 } |
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265 |
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266 |
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267 |
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268 // --------------------------------------------------------------------------- |
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269 // InitialiseMonthCounter |
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270 // Sets the value of the folder counter for the current month/media store/mode |
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271 // --------------------------------------------------------------------------- |
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272 // |
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273 TInt |
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274 CCamFolderUtility::InitialiseMonthCounter( TInt* aMonthCounters, |
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275 TDes& aPath, |
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276 TDesC& aMonthFolder, |
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277 RFs& aFs, |
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278 TInt aFolderType ) |
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279 { |
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280 PRINT( _L("Camera => CCamFolderUtility::InitialiseMonthCounter") ) |
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281 |
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282 // start by initialising the appropriate folder counter to 0 |
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283 aMonthCounters[aFolderType] = 0; |
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284 |
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285 TInt monthFolderLength = aPath.Length(); |
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286 // The month counter folder starts with the same characters as the parent month folder |
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287 aPath.Append( aMonthFolder ); |
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288 TInt charCount; |
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289 // Add on '??' wildcard characters to get a list of all folders with this |
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290 // month's format |
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291 for ( charCount = 0; charCount < KMultipleFolderNumberChars; charCount++ ) |
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292 { |
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293 aPath.Append( KWildCardCharacter ); |
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294 } |
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295 // Get a list of folders for this month, sorted in descending alphabetical order |
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296 // the first entry should be the latest used folder |
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297 CDir* dirList; |
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298 TInt err = KErrNone; |
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299 err = aFs.GetDir( aPath, |
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300 KEntryAttMatchExclusive|KEntryAttDir, |
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301 ESortByName|EDescending, |
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302 dirList ); |
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303 // Prune back to the parent folder path |
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304 aPath.SetLength( monthFolderLength ); |
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305 if ( err == KErrNone ) |
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306 { |
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307 TInt monthFolderCount = dirList->Count(); |
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308 TInt index = 0; |
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309 TBool done = EFalse; |
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310 // Look through the list of folders in the month for the highest numbered folder |
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311 // with the format YYYYMMAX Where YYYY is the year MM is the month A is an alphabetical |
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312 // character in the range a-z or A-Z and X is a digit 0-9 |
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313 while ( index < monthFolderCount && !done ) |
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314 { |
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315 done = ETrue; |
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316 // The list is sorted in descending order. Get the last 2 characters from |
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317 // the first directory in the list these indicate the highest folder number |
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318 TPtrC name = ( *dirList )[index].iName; |
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319 TInt nameLength = name.Length(); |
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320 // Check the first character is in the range a-z or A-Z |
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321 TChar firstChar = name[nameLength - KMultipleFolderNumberChars]; |
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322 firstChar.UpperCase(); |
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323 // If the character is not in the range then disregard this folder |
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324 if ( firstChar < KCharacterOffset()[0] || |
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325 firstChar > KMaxCharacter()[0] ) |
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326 { |
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327 done = EFalse; |
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328 } |
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329 // Check the second character is in the range 0-9 |
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330 TChar secondChar = name[nameLength - 1]; |
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331 TInt secondCharVal = secondChar.GetNumericValue(); |
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332 if ( secondCharVal < 0 || |
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333 secondCharVal > KBase10 - 1 ) |
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334 { |
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335 done = EFalse; |
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336 } |
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337 if ( done ) |
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338 { |
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339 TUint folderNumber = firstChar; |
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340 // 10's part of folder number is represented by characters A-Z |
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341 // convert the character into a decimal value |
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342 folderNumber -= KCharacterOffset()[0]; |
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343 folderNumber *= KBase10; |
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344 // Now add on the units |
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345 folderNumber += secondCharVal; |
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346 aMonthCounters[aFolderType] = folderNumber; |
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347 } |
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348 // TUint folderNumber = name[nameLength - 2]; |
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349 index++; |
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350 } |
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351 } |
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352 delete dirList; |
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353 dirList = NULL; |
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354 |
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355 PRINT1( _L("Camera <= CCamAppController::InitialiseMonthCounter returning %d"), err) |
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356 return err; |
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357 } |
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358 |
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359 // --------------------------------------------------------------------------- |
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360 // CreateDestinationFolder |
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361 // Creates the folder where new images/videos are to be saved to. |
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362 // --------------------------------------------------------------------------- |
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363 // |
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364 TInt |
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365 CCamFolderUtility::CreateDestinationFolder( TInt* aMonthCounters, |
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366 TDes& aPath, |
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367 RFs& aFs, |
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368 TInt aFolderType, |
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369 TInt aRequiredFileCount ) |
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370 { |
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371 PRINT( _L("Camera => CCamFolderUtility::CreateDestinationFolder ") ) |
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372 __ASSERT_DEBUG( aFolderType < ECamFolderTypeLast, CamPanic( ECamPanicBadIndex ) ); |
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373 |
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374 TInt folderCreated = EFalse; |
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375 // This error value will only be retained if the counter is outside |
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376 // the allowed range |
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377 TInt err = KErrArgument; |
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378 TInt monthCounter = aMonthCounters[aFolderType]; |
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379 while ( !folderCreated && monthCounter < KMaxMonthFolders ) |
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380 { |
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381 aMonthCounters[aFolderType] = monthCounter; |
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382 err = KErrNone; |
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383 // Add on the new counter |
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384 aPath.Append( KCharacterOffset()[0] + monthCounter/KBase10 ); |
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385 aPath.Append( KDigitOffset()[0] + monthCounter%KBase10 ); |
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386 aPath.Append( KBackslash ); |
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387 err = aFs.MkDirAll( aPath ); |
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388 PRINT1( _L("Camera <> MkDirAll returned %d "), err ) |
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389 // If the folder already exists then check there is enough space for the required file count |
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390 if ( err == KErrAlreadyExists ) |
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391 { |
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392 PRINT( _L("Camera <> MkDirAll KErrALreadyExists ") ) |
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393 // if this is the final folder (Z9) there is no need to check for available space |
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394 // this folder will be used anyway |
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395 if ( monthCounter >= KMaxMonthFolders - 1 ) |
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396 { |
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397 PRINT( _L("Camera <> MkDirAll KErrALreadyExists Z9") ) |
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398 folderCreated = ETrue; |
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399 // sanity check to ensure the counter is not too high |
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400 aMonthCounters[aFolderType] = KMaxMonthFolders - 1; |
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401 err = KErrNone; |
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402 } |
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403 // if this is not the final folder (Z9) check for space and try the next one if necessary |
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404 else |
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405 { |
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406 PRINT( _L("Camera <> MkDirAll KErrALreadyExists not Z9, retry") ) |
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407 CDir* fileList; |
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408 TInt dirErr = ( aFs.GetDir( aPath, |
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409 KEntryAttMaskSupported, |
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410 ESortNone, |
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411 fileList ) ); |
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412 TBool spaceRemaining = EFalse; |
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413 if ( !dirErr ) |
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414 { |
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415 spaceRemaining = ( fileList->Count() + aRequiredFileCount <= KMaxFilesPerFolder ); |
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416 } |
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417 delete fileList; |
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418 fileList = NULL; |
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419 if ( dirErr ) |
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420 { |
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421 PRINT1( _L("Camera <= CCamFolderUtility::DoCreateDestinationFolderL returning %d"), err) |
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422 return dirErr; |
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423 } |
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424 |
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425 // If there is insufficient space then try the next folder |
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426 if ( !spaceRemaining ) |
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427 { |
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428 monthCounter++; |
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429 // Remove the previous counter characters and the trailing backslash then try again |
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430 aPath.SetLength( aPath.Length() - ( KMultipleFolderNumberChars + 1 ) ); |
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431 } |
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432 else // This folder has enough space for the capture |
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433 { |
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434 folderCreated = ETrue; |
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435 err = KErrNone; |
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436 } |
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437 } |
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438 } |
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439 // There is a problem creating folders - report error |
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440 else if ( err ) |
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441 { |
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442 PRINT1( _L("Camera <= CCamFolderUtility::DoCreateDestinationFolderL returning %d"), err) |
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443 return err; |
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444 } |
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445 // A new folder has been created. There is no need to check the space |
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446 else |
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447 { |
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448 folderCreated = ETrue; |
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449 } |
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450 } |
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451 |
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452 PRINT1( _L("Camera <= CCamFolderUtility::DoCreateDestinationFolderL returning %d"), err) |
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453 return err; |
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454 } |
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455 |
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456 // =========================================================================== |
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457 |
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458 // end of file |