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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: implements the factory for creating engine |
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15 * |
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16 */ |
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17 |
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18 #ifndef __CVIMPSTENGINEFACTORY_H |
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19 #define __CVIMPSTENGINEFACTORY_H |
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20 |
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21 // INCLUDES |
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22 #include <e32base.h> |
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23 #include "mvimpstenginefactory.h" |
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24 #include <mspnotifychangeobserver.h> |
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25 |
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26 |
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27 // FORWARD DECLARATIONS |
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28 class CVIMPSTEngineServiceTableFetcher; |
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29 class MVIMPSTEngine; |
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30 class CSPNotifyChange; |
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31 class CVIMPSTEngineCVListener; |
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32 |
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33 // CLASS DECLARATION |
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34 /** |
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35 * Factory to create engine. |
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36 * This class implements the factory for creating engine |
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37 * |
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38 * @lib vimpstengine.lib |
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39 * @since S60 5.0 |
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40 */ |
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41 |
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42 class CVIMPSTEngineFactory : public CBase, |
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43 public MVIMPSTEngineFactory, |
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44 public MSPNotifyChangeObserver |
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45 { |
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46 public: // Two-phased constructors and destructor |
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47 |
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48 /** |
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49 * @returns a single instance of MVIMPSTEngineFactory |
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50 */ |
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51 IMPORT_C static MVIMPSTEngineFactory* InstanceL(); |
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52 |
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53 /** |
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54 * Release |
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55 * dont call delete |
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56 */ |
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57 IMPORT_C static void Release(); |
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58 |
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59 /** |
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60 * c++ default destructor |
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61 * dont call delete |
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62 */ |
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63 virtual ~CVIMPSTEngineFactory(); |
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64 |
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65 /** |
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66 * return the engine instance for aServiceId. |
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67 */ |
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68 MVIMPSTEngine* GetEngine( TServiceId aServiceId ); |
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69 |
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70 private: |
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71 |
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72 /** |
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73 * NewLC two phase constructor. |
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74 * dont call delete call close |
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75 */ |
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76 static CVIMPSTEngineFactory* NewLC(); |
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77 |
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78 /** |
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79 * Second phase construction |
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80 * ConstructL |
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81 */ |
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82 void ConstructL(); |
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83 |
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84 /** |
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85 * C++ constructor. |
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86 */ |
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87 CVIMPSTEngineFactory(); |
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88 |
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89 |
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90 public: //From MVIMPSTEngineFactory |
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91 /* |
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92 * @ See MVIMPSTEngineFactory |
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93 */ |
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94 void GetServiceEnginePtr(RPointerArray<MVIMPSTEngine>& serviceIdArray) const; |
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95 |
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96 /* |
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97 * @ See MVIMPSTEngineFactory |
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98 */ |
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99 TInt FindService( TUint aServiceId ) const; |
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100 |
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101 |
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102 private: // From MSPNotifyChangeObserver |
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103 |
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104 /** |
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105 * From MSPNotifyChangeObserver |
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106 * Callback when service has changed |
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107 * |
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108 * @since S60 5.0 |
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109 * @param aServiceId changed service |
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110 * @return None |
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111 */ |
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112 void HandleNotifyChange( TServiceId aServiceId ); |
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113 |
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114 /** |
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115 * From MSPNotifyChangeObserver |
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116 * Callback when service error occures |
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117 * |
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118 * @since S60 5.0 |
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119 * @param aError error code |
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120 * @return None |
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121 */ |
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122 void HandleError( TInt aError ); |
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123 |
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124 /** |
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125 * increament the reference count of engine |
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126 * |
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127 * @since S60 5.0 |
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128 */ |
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129 |
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130 void IncreamentRefereneCount(); |
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131 /** |
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132 * decreament the reference count of engine |
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133 * @return the number of ref count |
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134 * @since S60 5.0 |
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135 */ |
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136 |
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137 |
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138 TInt DecreamentRefereneCount(); |
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139 |
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140 private : |
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141 |
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142 //owned pointer to service table entry |
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143 CVIMPSTEngineServiceTableFetcher* iServiceTableFetcher; |
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144 |
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145 //owns array of services |
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146 RPointerArray<MVIMPSTEngine> iServiceItems; |
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147 |
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148 // Own: service observer |
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149 CSPNotifyChange* iSpNotifyChange; |
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150 |
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151 // owns : reference count |
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152 TInt iReferenceCount; |
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153 // owns, lister to rproperty defined by imcvengine. |
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154 CVIMPSTEngineCVListener* iCVlistener; |
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155 |
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156 }; |
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157 |
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158 #endif //__CVIMPSTENGINEFACTORY_H |
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159 |
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160 // End of File |
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161 |
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162 |