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1 /* |
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2 * Copyright (c) 2002 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: Implementation of Notepad engine. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32std.h> |
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21 #include <gulutil.h> |
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22 #include <sysutil.h> |
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23 #include <eikenv.h> |
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24 #include <barsread.h> |
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25 #include "NpdLib.hrh" |
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26 #include "NpdModel_platsec.h" |
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27 #include "NpdApi.h" |
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28 #include "NpdLibPanic.h" |
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29 #include "AknUtils.h" |
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30 |
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31 // CONSTANTS |
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32 _LIT(KNotepadMceFirstColumnData, "1"); |
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33 _LIT(KNotepadSqlSelect, |
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34 "SELECT * FROM Table1 ORDER BY time DESC"); |
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35 _LIT(KNotepadSqlMceSelect, |
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36 "SELECT * FROM Table1 ORDER BY memo ASC,key DESC"); |
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37 _LIT(KNotepadSqlDeleteByKeysAppend, " OR key="); // 8 chars |
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38 const TInt KNotepadSqlDeleteByKeysAppendSize(18); // %d costs 10 chars in max |
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39 const TInt KNotepadItemArrayGranularity(10); |
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40 const TInt KNotepadMaxRunIntervalInMicroSeconds(500000); // 0.5 sec |
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41 const TInt KNotepadBuildItemArrayProgressCount(10); |
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42 const TInt KNotepadMaxDeleteCountInStep(300); |
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43 const TInt KNotepadDiskSpaceNeededForMultipleDeletion(8192); |
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44 const TInt KNotepadMaxCharactersForSort(100); |
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45 |
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46 // assert KNotepadListEntryLength >= KNotepadMaxCharactersForSort + length of |
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47 // 1st column |
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48 const TInt KNotepadListEntryLength( 60 ); |
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49 |
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50 // ============================ MEMBER FUNCTIONS =============================== |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CNotepadModel::NewL |
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54 // Constructor. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 EXPORT_C CNotepadModel* CNotepadModel::NewL(RFs& /*aFs*/, TInt aResId) |
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58 { |
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59 CNotepadModel* self = new(ELeave) CNotepadModel(); |
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60 CleanupStack::PushL(self); |
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61 self->ConstructL(aResId); |
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62 CleanupStack::Pop(); //self |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CNotepadModel::~CNotepadModel |
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68 // Destructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 EXPORT_C CNotepadModel::~CNotepadModel() |
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72 { |
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73 delete iDatabaseChangeNotifier; |
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74 delete iExecuter; |
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75 iSavedDeleteKeys.Close(); |
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76 iDbUpdate.Close(); |
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77 iDbView.Close(); |
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78 iKeyArray.Close(); //delete iKeyArray; |
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79 delete iItemArray; |
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80 delete iTimeFormat; |
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81 delete iDateFormat; |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CNotepadModel::AddContentL |
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86 // API. CNotepadApi call this. |
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87 // ----------------------------------------------------------------------------- |
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88 // |
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89 EXPORT_C void CNotepadModel::AddContentL(const TDesC& aText) |
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90 { |
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91 TInt key(KNotepadPseudoKeyIdForNewNote); |
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92 InsertL(aText, key); |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CNotepadModel::OpenL |
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97 // deprecated. (only for BC). |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 EXPORT_C void CNotepadModel::OpenL() |
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101 { |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CNotepadModel::Close |
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106 // deprecated. (only for BC). |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 EXPORT_C void CNotepadModel::Close() |
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110 { |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CNotepadModel::IsOpen |
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115 // deprecated. (only for BC). |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 EXPORT_C TBool CNotepadModel::IsOpen() |
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119 { |
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120 return ETrue; |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CNotepadModel::SeekKey |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 EXPORT_C TInt CNotepadModel::SeekKey(const TInt aKey) |
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128 { |
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129 return iKeyArray.Find(aKey) >= 0 ? // found? |
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130 0 : 1; |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CNotepadModel::ContentL |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 HBufC* CNotepadModel::ContentL(TInt aItemIndex) |
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138 { |
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139 return ContentByKeyL(iKeyArray[aItemIndex]); |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CNotepadModel::IndexOf |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 TInt CNotepadModel::IndexOf(const TInt aKey) const |
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147 { |
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148 TInt returnIndex(KNotepadModelInvalidIndex); |
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149 if ( aKey != KNotepadPseudoKeyIdForNewNote ) |
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150 { |
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151 TInt index(iKeyArray.Find(aKey)); |
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152 if ( index >= 0 ) |
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153 { |
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154 returnIndex = index; |
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155 } |
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156 } |
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157 return returnIndex; |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // CNotepadModel::HandleDateChangedL |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 void CNotepadModel::HandleDateChangedL(TBool aSyncNow) |
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165 { |
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166 iFlag |= ENotepadRequireDbViewUpdate | ENotepadRequireItemArrayUpdate; |
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167 if ( aSyncNow ) |
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168 { |
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169 SyncL(EFalse); |
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170 } |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CNotepadModel::DeleteByKeysL |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 void CNotepadModel::DeleteByKeysL(const RArray<TInt>& aKeys) |
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178 { |
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179 __ASSERT_DEBUG( aKeys.Count() > 0, |
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180 Panic(ENotepadLibraryPanicInvalidArgument) ); |
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181 TRAPD( err, PrepareToDeleteByKeysL(aKeys); ); // execute RDbUpdate |
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182 if ( err != KErrNone ) |
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183 { |
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184 AbortDeletionL(); |
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185 User::Leave(err); |
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186 } |
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187 iFlag |= ENotepadIsDeleting; |
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188 iFlag &= ~ENotepadIsRemovingLinks; |
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189 iExecuter->Start(TCallBack(DeleteCallBack, this)); |
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190 } |
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191 |
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192 // ----------------------------------------------------------------------------- |
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193 // CNotepadModel::CancelDeletion |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 void CNotepadModel::CancelDeletion() |
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197 { |
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198 iDbUpdate.Close(); |
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199 delete iExecuter; |
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200 iExecuter = NULL; |
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201 iFlag &= ~ENotepadIsDeleting; |
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202 iFlag &= ~ENotepadIsRemovingLinks; |
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203 iFlag |= ENotepadRequireDbViewUpdate; |
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204 if ( iDatabase.IsDamaged() ) |
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205 { |
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206 iDatabase.Recover(); |
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207 } |
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208 iSavedDeleteKeys.Reset(); |
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209 } |
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210 |
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211 // ----------------------------------------------------------------------------- |
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212 // CNotepadModel::SyncL |
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213 // Sync non-updated data. |
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214 // ----------------------------------------------------------------------------- |
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215 // |
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216 void CNotepadModel::SyncL( const TBool aForceSync ) |
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217 { |
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218 // If iExecuter is creating iDbView, cancel the process and restart |
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219 // to create iDbView. If iExecuter is deleting items, this method does nothing. |
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220 // (ie. Creating iDbView is postponed until the deleting process |
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221 // will be finished. |
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222 if ( !aForceSync && (iFlag & ENotepadItemArrayUpdateOnly) ) |
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223 { |
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224 iFlag |= ENotepadItemArrayUpdateOnly; |
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225 if ( iModelObserver ) |
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226 { |
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227 iModelObserver->HandleNotepadModelEventL( |
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228 MNotepadModelObserver::EStartItemArrayChange ); |
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229 } |
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230 TInt err(KErrNone); |
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231 TRAP(err,DoUpdateNotepadItemArrayAndKeyArrayL(*iItemArray, |
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232 iKeyArray, |
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233 *iTimeFormat)); |
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234 if ( err != KErrNone) |
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235 { |
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236 iItemArray->Reset(); |
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237 iKeyArray.Reset(); |
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238 if ( iModelObserver ) |
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239 { |
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240 iModelObserver->HandleNotepadModelEventL( |
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241 MNotepadModelObserver::EAbortItemArrayChange ); // not leave |
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242 } |
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243 User::Leave(err); |
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244 } |
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245 iFlag &= ~ENotepadItemArrayUpdateOnly; // now iItemArray is up to date |
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246 if ( iModelObserver ) |
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247 { |
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248 iModelObserver->HandleNotepadModelEventL( |
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249 MNotepadModelObserver::ECompleteItemArrayChange ); |
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250 } |
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251 } |
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252 else if(aForceSync || ( iFlag & ENotepadRequireDbViewUpdate )) |
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253 { |
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254 iFlag |= (ENotepadRequireDbViewUpdate | ENotepadRequireItemArrayUpdate); |
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255 iDbView.Close(); |
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256 TDbTextComparison textComparison(EDbCompareCollated); |
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257 User::LeaveIfError( iDbView.Prepare( iDatabase, |
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258 ( IsTemplates() ? TDbQuery(KNotepadSqlMceSelect, textComparison) |
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259 : TDbQuery(KNotepadSqlSelect, textComparison) ), |
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260 RDbView::EReadOnly ) ); |
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261 User::LeaveIfError( iDbView.EvaluateAll() ); |
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262 iFlag &= ~ENotepadRequireDbViewUpdate; // iDbView is now up to date |
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263 BuildItemArrayL(ETrue); // force update |
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264 } |
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265 else |
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266 { |
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267 BuildItemArrayL(aForceSync); |
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268 } |
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269 return; |
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270 } |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // CNotepadModel::HandleDatabaseChangedL |
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274 // ----------------------------------------------------------------------------- |
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275 // |
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276 void CNotepadModel::HandleDatabaseChangedL(TInt aStatus) |
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277 { |
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278 if ( ( ModeOp() == CNotepadCoreModel::ENotepadModelRowDeleted ) || |
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279 ( ModeOp() == CNotepadCoreModel::ENotepadModelRowAdded ) || |
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280 ( ModeOp() == CNotepadCoreModel::ENotepadModelRowUpdated ) ) |
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281 { |
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282 iFlag |=ENotepadItemArrayUpdateOnly; |
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283 } |
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284 else |
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285 { |
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286 iFlag |= ENotepadRequireDbViewUpdate; // delayed sync |
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287 } |
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288 if ( iModelObserver |
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289 && !(IsDeleting() && !(iFlag & ENotepadIsRemovingLinks)) ) |
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290 { |
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291 iModelObserver->HandleNotepadModelEventL( |
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292 MNotepadModelObserver::EDatabaseChanged, aStatus ); |
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293 } |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CNotepadModel::SetNotepadModelObserver |
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298 // ----------------------------------------------------------------------------- |
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299 // |
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300 void CNotepadModel::SetNotepadModelObserver( |
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301 MNotepadModelObserver* aObserver ) |
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302 { |
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303 iModelObserver = aObserver; |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CNotepadModel::MdcaCount |
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308 // from MDesCArray |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 EXPORT_C TInt CNotepadModel::MdcaCount() const |
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312 { |
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313 return iItemArray->Count(); |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // CNotepadModel::MdcaPoint |
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318 // from MDesCArray |
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319 // ----------------------------------------------------------------------------- |
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320 // |
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321 EXPORT_C TPtrC CNotepadModel::MdcaPoint(TInt aIndex) const |
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322 { |
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323 return (*iItemArray)[aIndex]; |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CNotepadModel::CNotepadModel |
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328 // C++ constructor |
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329 // ----------------------------------------------------------------------------- |
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330 // |
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331 CNotepadModel::CNotepadModel() |
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332 : CNotepadCoreModel(), |
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333 iListingStyle(ENotepadListingStyleNone) |
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334 { |
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335 } |
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336 |
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337 // ----------------------------------------------------------------------------- |
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338 // CNotepadModel::ConstructL |
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339 // second phase constructor. |
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340 // ----------------------------------------------------------------------------- |
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341 // |
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342 void CNotepadModel::ConstructL(TInt aResId) |
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343 { |
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344 TResourceReader rr; |
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345 iEnv->CreateResourceReaderLC(rr, aResId); // Push rr |
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346 CNotepadCoreModel::ConstructL(rr.ReadInt32()); // LLINK data_file |
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347 iListingStyle |
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348 = rr.ReadInt16(); // WORD listing_style; |
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349 TInt dateResId(rr.ReadInt32()); // LLINK date_format |
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350 TInt timeResId(rr.ReadInt32()); // LLINK time_format |
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351 CleanupStack::PopAndDestroy(); // rr |
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352 if (dateResId) |
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353 { |
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354 iDateFormat = iEnv->AllocReadResourceL(dateResId); |
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355 } |
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356 if (timeResId) |
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357 { |
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358 iTimeFormat = iEnv->AllocReadResourceL(timeResId); |
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359 } |
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360 iItemArray = new(ELeave) CDesCArrayFlat(KNotepadItemArrayGranularity); |
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361 iDatabaseChangeNotifier = |
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362 CNotepadModel::CDatabaseChangeNotifier::NewL(iDatabase, *this); |
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363 |
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364 SyncL(ETrue); |
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365 } |
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366 |
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367 // ----------------------------------------------------------------------------- |
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368 // CNotepadModel::PrepareToDeleteByKeysL |
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369 // ----------------------------------------------------------------------------- |
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370 // |
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371 void CNotepadModel::PrepareToDeleteByKeysL(const RArray<TInt>& aKeys) |
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372 { |
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373 CancelDeletion(); |
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374 User::LeaveIfError(iFileSession.Connect()); |
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375 CleanupClosePushL(iFileSession); |
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376 iRetval = iFileSession.ReserveDriveSpace( KDefaultDrive, KNotepadDiskSpaceNeededForMultipleDeletion ); |
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377 if ( iRetval == KErrNone ) |
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378 { |
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379 iRetval = iFileSession.GetReserveAccess( KDefaultDrive ); |
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380 } |
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381 // the priority of iExecuter must be lower than that of CAknProgressDialog |
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382 iExecuter = CIdle::NewL(CActive::EPriorityLow); |
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383 const TInt count( aKeys.Count() ); |
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384 for (TInt i(0); i < count; i++) |
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385 { |
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386 User::LeaveIfError(iSavedDeleteKeys.Append(aKeys[i])); |
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387 } |
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388 ExecuteDeleteStepL(); |
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389 iRetval = iFileSession.ReleaseReserveAccess( KDefaultDrive ); |
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390 iFileSession.Close(); |
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391 CleanupStack::PopAndDestroy(); |
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392 } |
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393 |
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394 // ----------------------------------------------------------------------------- |
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395 // CNotepadModel::ExecuteDeleteStepL |
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396 // ----------------------------------------------------------------------------- |
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397 // |
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398 void CNotepadModel::ExecuteDeleteStepL() |
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399 { |
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400 iProgressCount = 0; |
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401 iStepCount = iSavedDeleteKeys.Count(); |
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402 if ( iStepCount > KNotepadMaxDeleteCountInStep ) |
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403 { |
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404 iStepCount = KNotepadMaxDeleteCountInStep; |
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405 } |
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406 HBufC* hbuf = HBufC::NewLC( KNotepadSqlDeleteHeadSize + |
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407 ( iStepCount - 1 )* KNotepadSqlDeleteByKeysAppendSize); |
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408 TPtr sql = hbuf->Des(); |
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409 sql.Append(KNotepadSqlDeleteHead); |
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410 sql.AppendNum(iSavedDeleteKeys[0]); |
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411 if ( IsTemplates() ) |
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412 { |
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413 iSavedDeleteKeys.Remove(0); |
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414 for (TInt i(0); i < iStepCount - 1; i++) |
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415 { |
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416 sql.Append(KNotepadSqlDeleteByKeysAppend); |
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417 sql.AppendNum(iSavedDeleteKeys[0]); |
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418 iSavedDeleteKeys.Remove(0); |
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419 } |
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420 } |
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421 else // If Notepad, Remove is postponed until remove link phase |
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422 { |
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423 for (TInt i(1); i < iStepCount; i++) |
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424 { |
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425 sql.Append(KNotepadSqlDeleteByKeysAppend); |
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426 sql.AppendNum(iSavedDeleteKeys[i]); |
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427 } |
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428 } |
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429 User::LeaveIfError(iDbUpdate.Execute(iDatabase, sql)); |
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430 CleanupStack::PopAndDestroy(); // hbuf |
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431 } |
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432 |
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433 // ----------------------------------------------------------------------------- |
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434 // CNotepadModel::AbortDeletionL |
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435 // ----------------------------------------------------------------------------- |
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436 // |
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437 void CNotepadModel::AbortDeletionL() |
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438 { |
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439 CancelDeletion(); |
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440 if ( iModelObserver ) |
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441 { |
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442 iModelObserver->HandleNotepadModelEventL( |
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443 MNotepadModelObserver::EAbortDeletion ); |
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444 } |
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445 } |
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446 |
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447 // ----------------------------------------------------------------------------- |
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448 // CNotepadModel::CompleteDeletionL |
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449 // ----------------------------------------------------------------------------- |
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450 // |
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451 void CNotepadModel::CompleteDeletionL() |
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452 { |
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453 CancelDeletion(); |
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454 if ( iModelObserver ) |
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455 { |
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456 iModelObserver->HandleNotepadModelEventL( |
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457 MNotepadModelObserver::ECompleteDeletion); |
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458 } |
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459 SyncL(ETrue); |
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460 iItemArray->Compress(); |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // CNotepadModel::DeleteCallBack |
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465 // |
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466 // be sure that this function never leave after AbortDeletionL |
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467 // because iExecuter is deleted in AbortDeletionL. |
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468 // ----------------------------------------------------------------------------- |
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469 // |
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470 TInt CNotepadModel::DeleteCallBack(TAny *aSelf) |
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471 { |
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472 TInt needsRepeat(FALSE); |
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473 CNotepadModel* self = STATIC_CAST(CNotepadModel*, aSelf); |
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474 TRAPD(err, |
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475 needsRepeat = ( self->iFlag & ENotepadIsRemovingLinks ) ? |
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476 self->DoRemoveLinkCallBackL() : |
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477 self->DoDeleteCallBackL(); |
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478 ); |
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479 if ( err != KErrNone ) |
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480 { |
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481 self->iEnv->HandleError(err); |
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482 TRAP(err, self->AbortDeletionL();); |
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483 if ( err != KErrNone ) |
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484 { |
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485 self->iEnv->HandleError(err); |
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486 } |
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487 } |
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488 return needsRepeat; |
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489 } |
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490 |
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491 // ----------------------------------------------------------------------------- |
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492 // CNotepadModel::DoDeleteCallBackL |
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493 // ----------------------------------------------------------------------------- |
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494 // |
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495 TInt CNotepadModel::DoDeleteCallBackL() |
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496 { |
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497 TInt needsRepeat(TRUE); |
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498 TInt increment(0); |
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499 TBool deleteFinished(EFalse); |
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500 const TInt stat(iDbUpdate.Next()); |
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501 if ( stat == 0 ) // current step has completed |
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502 { |
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503 iDbUpdate.Close(); |
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504 if ( IsTemplates() ) |
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505 { |
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506 if ( iSavedDeleteKeys.Count() == 0 ) // MCE, finish all |
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507 { |
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508 needsRepeat = FALSE; |
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509 CompleteDeletionL(); |
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510 deleteFinished = ETrue; |
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511 } |
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512 else // do next step |
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513 { |
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514 increment = iStepCount - iProgressCount; |
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515 ExecuteDeleteStepL(); |
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516 } |
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517 } |
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518 else |
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519 { |
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520 // switch to remove link phase |
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521 iFlag |= ENotepadIsRemovingLinks; |
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522 increment = iStepCount - iProgressCount; |
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523 if ( iSavedDeleteKeys.Count() == iStepCount ) // final step |
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524 { |
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525 deleteFinished = ETrue; |
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526 } |
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527 } |
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528 } |
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529 if ( stat > 0 ) |
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530 { |
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531 increment = iDbUpdate.RowCount() - iProgressCount; |
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532 } |
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533 if ( increment > 0 ) |
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534 { |
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535 iProgressCount += increment; |
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536 if ( iModelObserver ) |
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537 { |
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538 iModelObserver->HandleNotepadModelEventL( |
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539 MNotepadModelObserver::EProgressDeletion, increment); |
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540 } |
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541 } |
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542 if ( deleteFinished || ( stat == 0 && |
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543 SysUtil::FFSSpaceBelowCriticalLevelL(&(iEnv->FsSession())) ) ) |
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544 { |
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545 User::LeaveIfError(iDatabase.Compact()); |
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546 } |
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547 User::LeaveIfError(stat); |
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548 return needsRepeat; |
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549 } |
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550 |
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551 // ----------------------------------------------------------------------------- |
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552 // CNotepadModel::DoRemoveLinkCallBackL |
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553 // ----------------------------------------------------------------------------- |
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554 // |
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555 TInt CNotepadModel::DoRemoveLinkCallBackL() |
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556 { |
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557 TInt needsRepeat(TRUE); |
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558 TBool hasFinished(EFalse); |
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559 TBool timeUp(EFalse); |
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560 TInt count(0); |
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561 TTime beginning; |
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562 TTime now; |
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563 TTimeIntervalMicroSeconds maxInterval( |
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564 KNotepadMaxRunIntervalInMicroSeconds ); |
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565 beginning.UniversalTime(); |
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566 while ( !hasFinished && !timeUp ) |
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567 { |
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568 if ( iStepCount == 0 ) // current step has completed |
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569 { |
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570 hasFinished = ETrue; |
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571 } |
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572 else |
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573 { |
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574 iSavedDeleteKeys.Remove(0); |
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575 count++; |
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576 iStepCount--; |
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577 now.UniversalTime(); |
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578 timeUp = ( now.MicroSecondsFrom(beginning) > maxInterval ); |
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579 } |
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580 } |
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581 if ( hasFinished ) // current step has finished |
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582 { |
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583 if ( iSavedDeleteKeys.Count() == 0 ) // finish all |
|
584 { |
|
585 needsRepeat = FALSE; |
|
586 CompleteDeletionL(); |
|
587 } |
|
588 else // switch to delete phase again |
|
589 { |
|
590 iFlag &= ~ENotepadIsRemovingLinks; |
|
591 ExecuteDeleteStepL(); |
|
592 } |
|
593 } |
|
594 if ( needsRepeat && count > 0 ) |
|
595 { |
|
596 iModelObserver->HandleNotepadModelEventL( |
|
597 MNotepadModelObserver::EProgressDeletion, count); |
|
598 } |
|
599 return needsRepeat; |
|
600 } |
|
601 |
|
602 // ----------------------------------------------------------------------------- |
|
603 // CNotepadModel::BuildItemArrayL |
|
604 // ----------------------------------------------------------------------------- |
|
605 // |
|
606 void CNotepadModel::BuildItemArrayL( const TBool aForceSync ) |
|
607 { |
|
608 if ( !aForceSync && !(iFlag & ENotepadRequireItemArrayUpdate) ) |
|
609 { |
|
610 return; |
|
611 } |
|
612 |
|
613 iFlag |= ENotepadRequireItemArrayUpdate; |
|
614 if ( iModelObserver ) |
|
615 { |
|
616 iModelObserver->HandleNotepadModelEventL( |
|
617 MNotepadModelObserver::EStartItemArrayChange ); |
|
618 } |
|
619 iItemArray->Reset(); |
|
620 iKeyArray.Reset(); |
|
621 TRAPD( err, DoBuildItemArrayL() ); |
|
622 if ( err != KErrNone) |
|
623 { |
|
624 iItemArray->Reset(); |
|
625 iKeyArray.Reset(); |
|
626 if ( iModelObserver ) |
|
627 { |
|
628 iModelObserver->HandleNotepadModelEventL( |
|
629 MNotepadModelObserver::EAbortItemArrayChange ); // not leave |
|
630 } |
|
631 User::Leave(err); |
|
632 } |
|
633 iFlag &= ~ENotepadRequireItemArrayUpdate; // now iItemArray is up to date |
|
634 if ( iModelObserver ) |
|
635 { |
|
636 iModelObserver->HandleNotepadModelEventL( |
|
637 MNotepadModelObserver::ECompleteItemArrayChange ); |
|
638 } |
|
639 } |
|
640 |
|
641 // ----------------------------------------------------------------------------- |
|
642 // CNotepadModel::DoBuildItemArrayL |
|
643 // ----------------------------------------------------------------------------- |
|
644 // |
|
645 void CNotepadModel::DoBuildItemArrayL() |
|
646 { |
|
647 HBufC* hbuf = HBufC::NewLC(KNotepadListEntryLength); |
|
648 TPtr buf = hbuf->Des(); |
|
649 if ( IsTemplates() ) |
|
650 { |
|
651 DoBuildTemplateItemArrayL(buf); |
|
652 } |
|
653 else |
|
654 { |
|
655 DoBuildNotepadItemArrayL(buf); |
|
656 } |
|
657 CleanupStack::PopAndDestroy(); // hbuf |
|
658 } |
|
659 |
|
660 // ----------------------------------------------------------------------------- |
|
661 // CNotepadModel::DoBuildNotepadItemArrayL |
|
662 // ----------------------------------------------------------------------------- |
|
663 // |
|
664 void CNotepadModel::DoBuildNotepadItemArrayL( |
|
665 TPtr& aBuf) |
|
666 { |
|
667 TTimeIntervalMinutes offset; |
|
668 TTime now; |
|
669 now.HomeTime(); |
|
670 TTime gmt; |
|
671 gmt.UniversalTime(); |
|
672 now.MinutesFrom(gmt, offset); |
|
673 TInt currentDay(now.DateTime().Day()); |
|
674 TInt currentMonth(now.DateTime().Month()); |
|
675 TInt currentYear(now.DateTime().Year()); |
|
676 |
|
677 RArray<TInt> minutesArrayOfToday; |
|
678 CleanupClosePushL(minutesArrayOfToday); |
|
679 TInt minutesInToday(0); |
|
680 |
|
681 TInt firstIndexOfTheDay(KNotepadModelInvalidIndex); |
|
682 TDateTime prevDateTime; |
|
683 |
|
684 RArray<TPtrC> textArrayOfTheDay; |
|
685 CleanupClosePushL(textArrayOfTheDay); |
|
686 iDbView.FirstL(); |
|
687 while (iDbView.AtRow()) |
|
688 { |
|
689 iDbView.GetL(); |
|
690 TInt thisKey(iDbView.ColInt(ENotepadKey)); |
|
691 TTime time = iDbView.ColTime(ENotepadUpdateTime); |
|
692 time += offset; // including summertime adjustment |
|
693 TDateTime dateTime = time.DateTime(); // cache |
|
694 TBool isToday( dateTime.Day() == currentDay |
|
695 && dateTime.Month() == currentMonth |
|
696 && dateTime.Year() == currentYear ); |
|
697 if ( isToday ) |
|
698 { |
|
699 minutesInToday = dateTime.Hour() * 60 + dateTime.Minute(); |
|
700 } |
|
701 aBuf.SetLength(0); |
|
702 TInt textOffset(0); |
|
703 switch (iListingStyle) |
|
704 { |
|
705 case ENotepadListingStyleNP: // list of memos |
|
706 time.FormatL( aBuf, isToday ? *iTimeFormat : *iDateFormat ); |
|
707 aBuf.Append(KColumnListSeparator); |
|
708 textOffset = aBuf.Length(); |
|
709 // through into next case |
|
710 case ENotepadListingStyleFetch: // fetch a memo |
|
711 AppendContentAsLabelL(aBuf, iDbView); |
|
712 break; |
|
713 default: |
|
714 break; |
|
715 } |
|
716 |
|
717 TPtrC thisText = |
|
718 aBuf.Mid(textOffset).Left(KNotepadMaxCharactersForSort); |
|
719 if ( iItemArray->Count() == 0 || |
|
720 dateTime.Day() != prevDateTime.Day() || |
|
721 dateTime.Month() != prevDateTime.Month() || |
|
722 dateTime.Year() != prevDateTime.Year() ) |
|
723 { |
|
724 // first entry or date of the item has changed |
|
725 firstIndexOfTheDay = iItemArray->Count(); |
|
726 textArrayOfTheDay.Reset(); |
|
727 if ( isToday ) |
|
728 { |
|
729 User::LeaveIfError(minutesArrayOfToday.Append(minutesInToday)); |
|
730 } |
|
731 // INSERT POINT |
|
732 AknTextUtils::LanguageSpecificNumberConversion(aBuf); |
|
733 iItemArray->AppendL(aBuf); |
|
734 User::LeaveIfError( textArrayOfTheDay.Append( |
|
735 (*iItemArray)[firstIndexOfTheDay].Mid(textOffset).Left( |
|
736 KNotepadMaxCharactersForSort) ) ); |
|
737 User::LeaveIfError(iKeyArray.Append(thisKey)); |
|
738 } |
|
739 else |
|
740 { |
|
741 // calculate an insertion point |
|
742 TInt low(0); // this will be result insertion point |
|
743 TInt high( textArrayOfTheDay.Count() - 1 ); |
|
744 TInt mid(0); |
|
745 while ( high >= low ) |
|
746 { |
|
747 mid = (high + low) / 2; |
|
748 if ( isToday ? ( minutesInToday < minutesArrayOfToday[mid] || |
|
749 ( minutesInToday == minutesArrayOfToday[mid] && |
|
750 thisText.CompareC(textArrayOfTheDay[mid]) > 0 ) ) : |
|
751 thisText.CompareC(textArrayOfTheDay[mid]) > 0 ) |
|
752 { |
|
753 low = mid + 1; |
|
754 } |
|
755 else |
|
756 { |
|
757 high = mid - 1; |
|
758 } |
|
759 } |
|
760 // low is result |
|
761 if ( isToday ) |
|
762 { |
|
763 User::LeaveIfError(minutesArrayOfToday.Insert( |
|
764 minutesInToday, low ) ); |
|
765 } |
|
766 // INSERT POINT |
|
767 AknTextUtils::LanguageSpecificNumberConversion(aBuf); |
|
768 iItemArray->InsertL(firstIndexOfTheDay + low, aBuf); |
|
769 User::LeaveIfError( textArrayOfTheDay.Insert( |
|
770 (*iItemArray)[firstIndexOfTheDay + low].Mid(textOffset).Left( |
|
771 KNotepadMaxCharactersForSort), |
|
772 low ) ); |
|
773 User::LeaveIfError( |
|
774 iKeyArray.Insert(thisKey, firstIndexOfTheDay + low) ); |
|
775 } |
|
776 if ( iModelObserver && |
|
777 iItemArray->Count() == KNotepadBuildItemArrayProgressCount ) |
|
778 { |
|
779 iModelObserver->HandleNotepadModelEventL( |
|
780 MNotepadModelObserver::EProgressItemArrayChange ); |
|
781 } |
|
782 prevDateTime = dateTime; |
|
783 iDbView.NextL(); |
|
784 } |
|
785 CleanupStack::PopAndDestroy(2); // minutesArrayOfToday, textArrayOfTheDay |
|
786 } |
|
787 |
|
788 // ----------------------------------------------------------------------------- |
|
789 // CNotepadModel::DoBuildTemplateItemArrayL |
|
790 // ----------------------------------------------------------------------------- |
|
791 // |
|
792 void CNotepadModel::DoBuildTemplateItemArrayL( |
|
793 TPtr& aBuf) |
|
794 { |
|
795 iDbView.FirstL(); |
|
796 while (iDbView.AtRow()) |
|
797 { |
|
798 iDbView.GetL(); |
|
799 TInt thisKey(iDbView.ColInt(ENotepadKey)); |
|
800 aBuf.SetLength(0); |
|
801 switch (iListingStyle) |
|
802 { |
|
803 case ENotepadListingStyleMC: |
|
804 aBuf.Append(KNotepadMceFirstColumnData); |
|
805 aBuf.Append(KColumnListSeparator); |
|
806 // pass through into next case |
|
807 case ENotepadListingStyleFetchMC: // fetch template |
|
808 AppendContentAsLabelL(aBuf, iDbView); |
|
809 break; |
|
810 default: |
|
811 break; |
|
812 } |
|
813 // INSERT POINT |
|
814 iItemArray->AppendL(aBuf); |
|
815 User::LeaveIfError(iKeyArray.Append(thisKey)); |
|
816 if ( iModelObserver && |
|
817 iItemArray->Count() == KNotepadBuildItemArrayProgressCount ) |
|
818 { |
|
819 iModelObserver->HandleNotepadModelEventL( |
|
820 MNotepadModelObserver::EProgressItemArrayChange ); |
|
821 } |
|
822 iDbView.NextL(); |
|
823 } |
|
824 } |
|
825 |
|
826 // ----------------------------------------------------------------------------- |
|
827 // CNotepadModel::CNotepadModel_Reserved |
|
828 // ----------------------------------------------------------------------------- |
|
829 // |
|
830 EXPORT_C void CNotepadModel::CNotepadModel_Reserved() |
|
831 { |
|
832 } |
|
833 |
|
834 // ----------------------------------------------------------------------------- |
|
835 // CNotepadModel::SetItemArrayFlags |
|
836 // ----------------------------------------------------------------------------- |
|
837 // |
|
838 void CNotepadModel::SetItemArrayFlags() |
|
839 { |
|
840 if(iFlag&ENotepadItemArrayUpdateOnly) |
|
841 { |
|
842 |
|
843 iFlag |= ENotepadRequireDbViewUpdate; |
|
844 iFlag |= ENotepadRequireItemArrayUpdate; |
|
845 } |
|
846 } |
|
847 |
|
848 // ----------------------------------------------------------------------------- |
|
849 // CNotepadModel::ItemArrayFlags |
|
850 // ----------------------------------------------------------------------------- |
|
851 // |
|
852 TUint CNotepadModel::ItemArrayFlags() |
|
853 { |
|
854 return iFlag; |
|
855 } |
|
856 |
|
857 // ----------------------------------------------------------------------------- |
|
858 // CNotepadModel::CDatabaseChangeNotifier::NewL |
|
859 // ----------------------------------------------------------------------------- |
|
860 // |
|
861 CNotepadModel::CDatabaseChangeNotifier* |
|
862 CNotepadModel::CDatabaseChangeNotifier::NewL( |
|
863 RDbDatabase& aDatabase, |
|
864 CNotepadModel& aModel ) |
|
865 { |
|
866 CDatabaseChangeNotifier* self = |
|
867 new(ELeave) CDatabaseChangeNotifier(aModel); |
|
868 CleanupStack::PushL(self); |
|
869 self->ConstructL(aDatabase); |
|
870 CleanupStack::Pop(); // self |
|
871 return self; |
|
872 } |
|
873 |
|
874 // ----------------------------------------------------------------------------- |
|
875 // CNotepadModel::CDatabaseChangeNotifier::~CDatabaseChangeNotifier |
|
876 // ----------------------------------------------------------------------------- |
|
877 // |
|
878 CNotepadModel::CDatabaseChangeNotifier::~CDatabaseChangeNotifier() |
|
879 { |
|
880 Cancel(); |
|
881 iDbNotifier.Close(); |
|
882 } |
|
883 |
|
884 // ----------------------------------------------------------------------------- |
|
885 // CNotepadModel::CDatabaseChangeNotifier::CDatabaseChangeNotifier |
|
886 // ----------------------------------------------------------------------------- |
|
887 // |
|
888 CNotepadModel::CDatabaseChangeNotifier::CDatabaseChangeNotifier( |
|
889 CNotepadModel& aModel ) |
|
890 :CActive(CActive::EPriorityLow), iModel(aModel) |
|
891 { |
|
892 CActiveScheduler::Add(this); |
|
893 } |
|
894 |
|
895 // ----------------------------------------------------------------------------- |
|
896 // CNotepadModel::CDatabaseChangeNotifier::ConstructL |
|
897 // ----------------------------------------------------------------------------- |
|
898 // |
|
899 void CNotepadModel::CDatabaseChangeNotifier::ConstructL( |
|
900 RDbDatabase& aDatabase ) |
|
901 { |
|
902 User::LeaveIfError(iDbNotifier.Open(aDatabase)); |
|
903 iDbNotifier.NotifyChange(iStatus); |
|
904 SetActive(); |
|
905 } |
|
906 |
|
907 // ----------------------------------------------------------------------------- |
|
908 // CNotepadModel::CDatabaseChangeNotifier::DoCancel |
|
909 // ----------------------------------------------------------------------------- |
|
910 // |
|
911 void CNotepadModel::CDatabaseChangeNotifier::DoCancel() |
|
912 { |
|
913 iDbNotifier.Cancel(); |
|
914 } |
|
915 |
|
916 // ----------------------------------------------------------------------------- |
|
917 // CNotepadModel::CDatabaseChangeNotifier::RunL |
|
918 // ----------------------------------------------------------------------------- |
|
919 // |
|
920 void CNotepadModel::CDatabaseChangeNotifier::RunL() |
|
921 { |
|
922 // enum TEvent {EClose,EUnlock,ECommit,ERollback,ERecover}; |
|
923 TInt status(iStatus.Int()); |
|
924 TInt err(KErrNone); |
|
925 if (status == RDbNotifier::ECommit) |
|
926 { |
|
927 TRAP(err, iModel.HandleDatabaseChangedL(status);); |
|
928 } |
|
929 // Restart this even if err != KErrNone |
|
930 iDbNotifier.NotifyChange(iStatus); |
|
931 SetActive(); |
|
932 User::LeaveIfError(err); |
|
933 } |
|
934 |
|
935 // End of File |