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1 /* |
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2 * Copyright (c) 2005-2007 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: Defines an observer to CPS |
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15 * |
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16 */ |
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17 |
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18 #ifndef CPSOBSERVER_H |
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19 #define CPSOBSERVER_H |
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20 |
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21 // Forward declarations |
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22 class CLiwServiceHandler; |
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23 class CLiwCriteriaItem; |
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24 class MLiwInterface; |
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25 |
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26 namespace cpswrapper |
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27 { |
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28 /** |
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29 * Content publishing service wrapper namespace |
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30 */ |
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31 |
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32 // Forward declarations |
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33 class CCpsWrapper; |
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34 |
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35 /** |
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36 * Observer class for cps registry |
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37 * |
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38 * @code |
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39 * |
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40 * @endcode |
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41 * |
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42 * @lib cpswrapper.lib |
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43 * @since S60 v5.0 |
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44 */ |
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45 NONSHARABLE_CLASS( CCpsObserver ) : public CBase, public MLiwNotifyCallback |
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46 { |
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47 public: // Constructors and destructor |
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48 /** |
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49 * Two-phased constructor. |
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50 */ |
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51 static CCpsObserver* NewLC( CCpsWrapper* aCpsWrapper); |
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52 |
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53 /** |
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54 * Destructor. |
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55 */ |
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56 ~CCpsObserver(); |
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57 |
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58 public: //from MLiwNotifyCallback |
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59 |
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60 /** |
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61 * Handles notifications caused by an asynchronous Execute*CmdL call |
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62 * or an event. |
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63 * |
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64 * @param aCmdId The service command associated to the event. |
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65 * @param aEventId Occured event, see LiwCommon.hrh. |
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66 * @param aEventParamList Event parameters, if any, as defined per |
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67 * each event. |
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68 * @param aInParamList Input parameters, if any, given in the |
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69 * related HandleCommmandL. |
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70 * @return Error code for the callback. |
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71 */ |
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72 TInt HandleNotifyL( |
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73 TInt aCmdId, |
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74 TInt aEventId, |
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75 CLiwGenericParamList& aEventParamList, |
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76 const CLiwGenericParamList& aInParamList); |
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77 |
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78 public: |
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79 |
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80 /** |
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81 * Registers to CPS for add, delete , update and execute notifications |
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82 * |
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83 * @param aFilter - filter for input parameter list |
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84 * @param aRegistry - registry to register observer |
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85 */ |
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86 void RegisterL( CLiwDefaultMap* aFilter, const TDesC& aRegistry ); |
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87 |
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88 /** |
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89 * Cancel all the registered notifications. |
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90 */ |
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91 void ReleaseL(); |
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92 |
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93 private: |
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94 |
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95 /** |
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96 * Perform the second phase construction |
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97 */ |
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98 void ConstructL( ); |
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99 |
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100 /** |
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101 * Constructor. |
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102 * |
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103 * @param aCpsWrapper cps wrapper |
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104 */ |
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105 CCpsObserver( CCpsWrapper* aCpsWrapper ); |
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106 |
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107 /** |
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108 * Initialise Liw connection to Content publishing service. |
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109 */ |
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110 void InitLiwL(); |
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111 |
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112 /** |
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113 * Closes Liw connection to Content publishing service. |
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114 */ |
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115 void ReleaseLiw(); |
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116 |
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117 private: // data |
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118 |
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119 // Reference of MLiwInterface |
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120 // Owned |
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121 MLiwInterface* iInterface; |
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122 |
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123 // Reference of CLiwServiceHandler |
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124 // Owned |
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125 CLiwServiceHandler* iLiwHandler; |
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126 |
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127 // Reference of the CCpsWrapper |
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128 // Not owned |
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129 CCpsWrapper* iCpsWrapper; |
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130 |
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131 // Call back error code |
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132 TInt iError; |
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133 }; |
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134 } |
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135 #endif /* CPSOBSERVER_H_ */ |