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1 /* |
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2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "CCLFDbItemContainer.h" |
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21 #include <mdeobject.h> |
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22 #include <f32file.h> |
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23 #include "CLFPanics.h" |
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24 |
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25 const TInt KCLFContainerArrayGranularity( 25 ); |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // CCLFContainerItem::CCLFContainerItem |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 CCLFContainerItem::CCLFContainerItem( const CMdEObject* aObject ) |
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34 : iReferenceCount( 0 ), iMdEObject( aObject ), iDeprecated( EFalse ), |
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35 iItemId( aObject->Id() ) |
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36 { |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CCLFContainerItem::CCLFContainerItem |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 CCLFContainerItem::CCLFContainerItem() |
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44 : iReferenceCount( 0 ), iMdEObject( NULL ), iDeprecated( EFalse ), |
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45 iItemId( 0 ) |
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46 { |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CCLFContainerItem::NewLC |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CCLFContainerItem* CCLFContainerItem::NewLC( const CMdEObject* aObject ) |
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54 { |
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55 CCLFContainerItem* self = new ( ELeave ) CCLFContainerItem( aObject ); |
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56 CleanupStack::PushL( self ); |
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57 return self; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CCLFContainerItem::~CCLFContainerItem |
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62 // Destructor |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 CCLFContainerItem::~CCLFContainerItem() |
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66 { |
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67 delete iMdEObject; |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CCLFContainerItem::Compare |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 TInt CCLFContainerItem::Compare( const CCLFContainerItem& aFirst, |
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75 const CCLFContainerItem& aSecond ) |
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76 { |
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77 return aFirst.iItemId - aSecond.iItemId; |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CCLFDbItemContainer::TFindHelper::TFindHelper |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 CCLFDbItemContainer::TFindHelper::TFindHelper() |
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85 : iItemId( 0 ), |
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86 iIndex( 0 ) |
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87 { |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CCLFDbItemContainer::TFindHelper::Reset |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 void CCLFDbItemContainer::TFindHelper::Reset() |
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95 { |
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96 iItemId = 0; |
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97 iIndex = 0; |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CCLFDbItemContainer::TFindHelper::Set |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CCLFDbItemContainer::TFindHelper::Set( TCLFItemId aItemId, |
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105 TInt aIndex ) |
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106 { |
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107 iItemId = aItemId; |
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108 iIndex = aIndex; |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CCLFDbItemContainer::CCLFDbItemContainer |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 CCLFDbItemContainer::CCLFDbItemContainer() |
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116 : iItemArray( KCLFContainerArrayGranularity ), |
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117 iArraySorter( CCLFContainerItem::Compare ) |
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118 { |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CCLFDbItemContainer::NewL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 CCLFDbItemContainer* CCLFDbItemContainer::NewL() |
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126 { |
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127 return new( ELeave ) CCLFDbItemContainer; |
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128 } |
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129 |
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130 // ----------------------------------------------------------------------------- |
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131 // CCLFDbItemContainer::~CCLFDbItemContainer |
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132 // Destructor |
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133 // ----------------------------------------------------------------------------- |
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134 // |
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135 CCLFDbItemContainer::~CCLFDbItemContainer() |
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136 { |
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137 iItemArray.ResetAndDestroy(); |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CCLFDbItemContainer::ItemById |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 CCLFContainerItem* CCLFDbItemContainer::ItemById( const TCLFItemId aItemId ) const |
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145 { |
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146 CCLFContainerItem* item = NULL; |
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147 TInt index( FindItem( aItemId, item ) ); |
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148 while ( index >= 0 ) |
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149 { |
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150 if( !( item->iDeprecated ) ) |
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151 { |
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152 return item; |
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153 } |
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154 index = NextItem( item ); |
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155 } |
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156 return NULL; |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CCLFDbItemContainer::ReleaseItem |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CCLFDbItemContainer::ReleaseItem( CCLFContainerItem* aItem ) |
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164 { |
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165 const TInt index( iItemArray.Find( aItem ) ); |
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166 if ( index >= 0 ) |
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167 { |
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168 aItem->iReferenceCount--; |
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169 __ASSERT_DEBUG ( aItem->iReferenceCount >= 0, |
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170 User::Panic( KCLFPanicText, ECLFNullPointer ) ); |
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171 if ( aItem->iReferenceCount <= 0 ) |
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172 { |
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173 iItemArray.Remove( index ); |
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174 delete aItem; |
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175 aItem = NULL; |
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176 } |
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177 } |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CCLFDbItemContainer::SetDeprecatedItems |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 void CCLFDbItemContainer::SetDeprecatedItems( |
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185 const RArray<TCLFItemId>& aItemIdArray ) |
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186 { |
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187 const TInt count( aItemIdArray.Count() ); |
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188 for ( TInt i = 0 ; i < count ; ++i ) |
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189 { |
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190 CCLFContainerItem* item = NULL; |
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191 TInt index( FindItem( aItemIdArray[i], item ) ); |
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192 while ( index >= 0 ) |
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193 { |
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194 item->iDeprecated = ETrue; |
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195 index = NextItem( item ); |
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196 } |
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197 } |
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198 } |
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199 |
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200 // ----------------------------------------------------------------------------- |
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201 // CCLFDbItemContainer::FindItem |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 TInt CCLFDbItemContainer::FindItem( TCLFItemId aItemId, |
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205 CCLFContainerItem*& aItem ) const |
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206 { |
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207 iFindHelper.Reset(); |
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208 iFindItem.SetItemId( aItemId ); |
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209 const TInt index ( iItemArray.SpecificFindInOrder( |
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210 &iFindItem, |
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211 iArraySorter, |
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212 EArrayFindMode_First ) ); |
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213 if ( index >= 0 ) |
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214 { |
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215 iFindHelper.Set( aItemId, index ); |
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216 aItem = iItemArray[index]; |
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217 return index; |
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218 } |
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219 return KErrNotFound; |
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220 |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CCLFDbItemContainer::NextItem |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 TInt CCLFDbItemContainer::NextItem( CCLFContainerItem*& aItem ) const |
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228 { |
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229 const TInt count( iItemArray.Count() ); |
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230 if ( iFindHelper.iIndex < count ) |
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231 { |
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232 CCLFContainerItem* item = iItemArray[ iFindHelper.iIndex ]; |
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233 if ( iFindHelper.iItemId == item->iItemId ) |
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234 { |
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235 iFindHelper.iIndex++; |
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236 aItem = item; |
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237 return iFindHelper.iIndex - 1; |
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238 } |
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239 } |
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240 return KErrNotFound; |
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241 } |
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242 |
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243 // End of File |