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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: |
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15 * Implementation of MLogsEventArray |
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16 * |
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17 */ |
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18 |
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19 |
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20 #ifndef __CLogsEventArray_H_ |
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21 #define __CLogsEventArray_H_ |
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22 |
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23 // INCLUDES |
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24 #include <e32base.h> |
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25 #include "MLogsEventArray.h" |
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26 #include "MLogsModel.h" |
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27 |
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28 // MACROS |
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29 |
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30 // DATA TYPES |
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31 |
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32 // FUNCTION PROTOTYPES |
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33 |
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34 // FORWARD DECLARATIONS |
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35 class MLogsEvent; |
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36 // CLASS DECLARATION |
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37 |
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38 /** |
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39 * Concrete MlogsEventArray of TEventType. |
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40 * |
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41 * @param TEventType concrete event type. Must be derived from MLogsEvent. |
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42 */ |
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43 template<class TEventType> |
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44 class CLogsEventArray : public CBase, public MLogsEventArray |
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45 { |
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46 public: // Constructors and destructor |
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47 |
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48 /** |
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49 * EPOC constructor. |
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50 * |
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51 * @param aGranularity Initial granularity of the event array |
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52 * @return model object |
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53 */ |
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54 static CLogsEventArray<TEventType>* NewL( TInt aGranularity ); |
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55 |
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56 /** |
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57 * Destructor |
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58 */ |
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59 ~CLogsEventArray(); |
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60 |
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61 private: |
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62 /** |
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63 * C++ constructor. |
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64 * |
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65 * @param aGranularity Initial granularity of the event array |
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66 */ |
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67 CLogsEventArray( TInt aGranularity ); |
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68 |
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69 public: // New functions |
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70 /** |
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71 * Append a new event of TEventType to event array |
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72 * |
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73 * @param aEvent event to be added to this array. |
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74 */ |
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75 ///// void AppendL(const TEventType& aEvent); //FIXME: remove this |
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76 |
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77 public: // from MLogsEventArray |
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78 TInt Count() const ; |
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79 |
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80 const MLogsEvent& At(TInt aIndex) const; |
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81 |
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82 MLogsEvent& At(TInt aIndex); |
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83 |
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84 /** |
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85 * @param aEvent event to add to this array. The concrete event type |
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86 * must always be same as TEventType. |
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87 */ |
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88 void AppendL( const MLogsEvent& aEvent ); |
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89 |
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90 void Delete( TInt aIndex ); |
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91 |
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92 void Reset(); |
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93 |
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94 void Compress(); |
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95 |
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96 private: // Data |
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97 |
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98 /// Own: Event array |
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99 //CArrayFixSeg<TEventType> iArray; |
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100 CArrayPtrSeg<const MLogsEvent> iArray; //Fix for EKKJ-6EGAKC. Changed to CArrayPtrSeg |
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101 }; |
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102 |
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103 template<class TEventType> |
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104 CLogsEventArray<TEventType>::CLogsEventArray( TInt aGranularity ) : |
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105 iArray( aGranularity ) |
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106 { |
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107 } |
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108 |
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109 template<class TEventType> |
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110 CLogsEventArray<TEventType>* CLogsEventArray<TEventType>::NewL( TInt aGranularity ) |
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111 { |
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112 CLogsEventArray<TEventType>* self = |
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113 new (ELeave) CLogsEventArray( aGranularity ); |
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114 return self; |
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115 } |
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116 |
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117 template<class TEventType> |
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118 CLogsEventArray<TEventType>::~CLogsEventArray() |
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119 { |
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120 Reset(); |
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121 } |
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122 |
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123 ///// FIXME: remove this |
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124 ///// template<class TEventType> |
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125 ///// void CLogsEventArray<TEventType>::AppendL(const TEventType& aEvent) |
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126 ///// { |
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127 ///// iArray.AppendL( aEvent ); |
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128 ///// } |
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129 |
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130 template<class TEventType> |
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131 void CLogsEventArray<TEventType>::AppendL( const MLogsEvent& aEvent ) |
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132 { |
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133 iArray.AppendL( &aEvent ); |
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134 } |
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135 |
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136 template<class TEventType> |
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137 TInt CLogsEventArray<TEventType>::Count() const |
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138 { |
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139 return iArray.Count(); |
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140 } |
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141 |
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142 template<class TEventType> |
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143 const MLogsEvent& CLogsEventArray<TEventType>::At(TInt aIndex) const |
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144 { |
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145 return *(iArray.At( aIndex )); |
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146 } |
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147 |
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148 template<class TEventType> |
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149 MLogsEvent& CLogsEventArray<TEventType>::At(TInt aIndex) |
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150 { |
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151 return CONST_CAST(MLogsEvent&, (*(iArray.At( aIndex )))); |
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152 } |
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153 |
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154 template<class TEventType> |
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155 void CLogsEventArray<TEventType>::Delete( TInt aIndex ) |
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156 { |
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157 const MLogsEvent* event = iArray[aIndex]; |
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158 delete event; //delete the owned object |
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159 iArray.Delete( aIndex ); //delete array entry (containing pointer) |
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160 } |
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161 |
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162 template<class TEventType> |
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163 void CLogsEventArray<TEventType>::Reset() |
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164 { |
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165 /***** |
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166 for( int i=0; i<iArray.Count(); i++ ) |
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167 { |
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168 iArray[i].Reset(); |
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169 } |
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170 iArray.Reset(); //Thsi function deletes all elements from the array and frees the memory allocated to the array buffer. |
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171 *******/ |
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172 iArray.ResetAndDestroy(); //Destroys all objects whose pointers form the elements of the array, before resetting the array. |
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173 } |
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174 |
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175 template<class TEventType> |
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176 void CLogsEventArray<TEventType>::Compress() |
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177 { |
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178 iArray.Compress(); |
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179 } |
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180 |
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181 #endif |
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182 |
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183 // End of File __CLogsEventArray_H_ |