1 /* |
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2 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef C_HNMDACTION_H |
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21 #define C_HNMDACTION_H |
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22 |
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23 #include <e32base.h> |
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24 #include <xmlengdom.h> |
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25 |
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26 class CLiwGenericParamList; |
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27 class CLiwDefaultMap; |
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28 class TLiwVariant; |
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29 class CHnMdBaseKey; |
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30 class CHnMdServiceCommand; |
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31 class CHnActionModel; |
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32 class CHnMdService; |
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33 class CHnConditionInterface; |
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34 |
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35 /** |
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36 * Action. |
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37 * |
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38 * This is the class that represents the action. Actions are used |
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39 * to invoke different functions or methods from services, plugins |
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40 * or internally defined in the Matrix Menu. |
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41 * |
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42 * @lib hnmetadatamodel |
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43 * @since S60 v5.0 |
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44 * @ingroup group_hnmetadatamodel |
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45 */ |
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46 NONSHARABLE_CLASS(CHnMdAction) : public CBase |
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47 { |
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48 public: |
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49 |
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50 /** |
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51 * Standard factory method. |
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52 * |
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53 * since S60 v5.0 |
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54 * @param aElement Xml element. |
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55 * @return Fully constructed object. |
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56 */ |
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57 static CHnMdAction* NewL( TXmlEngElement aElement ); |
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58 |
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59 /** |
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60 * Standard factory method. |
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61 * |
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62 * since S60 v5.0 |
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63 * @param aElement Xml element. |
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64 * @return Fully constructed object. |
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65 */ |
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66 static CHnMdAction* NewLC( TXmlEngElement aElement ); |
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67 |
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68 /** |
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69 * standard destructor |
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70 */ |
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71 virtual ~CHnMdAction(); |
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72 |
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73 /** |
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74 * Evaluates action model based on the instance of meta data action. |
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75 * |
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76 * @since S60 5.0 |
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77 * @param aActionModel Visual model af an action. |
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78 * @param aQueriesResultsList Query results. |
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79 * @param aPos Position in the query. |
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80 * @return Error code. |
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81 */ |
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82 TInt EvaluateL( CHnActionModel* aActionModel, |
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83 const CLiwGenericParamList& aQueriesResultsList, |
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84 TInt aPos = 0); |
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85 /** |
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86 * Checks if the menu item is valid. |
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87 * |
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88 * @since S60 5.0 |
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89 * @param aQueryResults Query results in the form of the CLiwGenericParamList object. |
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90 * @param aPos Position in the query. |
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91 * @return True if valid, otherwise false. |
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92 */ |
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93 TBool IsValidL( const CLiwGenericParamList& aQueryResults, |
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94 TInt aPos = 0 ); |
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95 |
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96 private: |
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97 |
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98 /** |
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99 * Default constructor. |
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100 */ |
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101 CHnMdAction(); |
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102 |
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103 /** |
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104 * EPOC default constructor for performing 2nd stage construction. |
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105 * |
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106 * @param aElement Xml element. |
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107 */ |
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108 void ConstructL( TXmlEngElement aElement ); |
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109 |
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110 /** |
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111 * Sets interface. |
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112 * @param aAttr Xml attribute. |
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113 */ |
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114 void SetConditionL( TXmlEngAttr aAttr ); |
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115 |
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116 |
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117 private: // data |
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118 |
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119 /** |
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120 * Own - Condition. |
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121 */ |
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122 CHnConditionInterface* iCondition; |
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123 |
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124 /** |
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125 * Own. |
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126 */ |
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127 CHnMdService* iService; |
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128 |
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129 }; |
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130 |
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131 #endif // C_HNMMACTION_H |
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