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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: Interface to store and access the Location Events. |
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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 #ifndef C_EVTEVENTMANAGER_H |
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20 #define C_EVTEVENTMANAGER_H |
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21 |
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22 // System Includes |
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23 #include <e32base.h> |
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24 |
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25 // User Includes |
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26 #include "evtbasiceventinfo.h" |
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27 #include "evtevent.h" |
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28 |
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29 // Forward Declarations |
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30 class CEvtDatabase; |
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31 class CEvtBasicEventInfo; |
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32 class CEvtEvent; |
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33 class MEvtStorageDbObserver; |
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34 |
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35 // extern data types |
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36 |
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37 // global Functions |
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38 |
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39 // constants go here |
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40 |
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41 /** |
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42 * Interface class to store and access the Location Events. |
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43 * This class allows for Events to be stored in persistent database. |
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44 * Events can be added, deleted and modified from database. |
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45 * This class also allows for monitoring any changes to the database. This |
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46 * is achieved by setting observer to the database. |
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47 * |
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48 * @lib evtstorage.lib |
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49 * @since S60 v9.1 |
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50 */ |
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51 class CEvtEventManager : public CBase |
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52 { |
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53 public: // Exported Functions |
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54 /** |
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55 * Constructs a new instance of Event Storage Manager interface. |
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56 * |
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57 * @return The new instance of Event Storage Manager object. |
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58 * @leave System wide error code if the object creation fails. |
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59 */ |
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60 IMPORT_C static CEvtEventManager* NewL(); |
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61 |
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62 /** |
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63 * Constructs a new instance of Event Storage Manager interface. |
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64 * Leaves the created instance on the cleanup stack. |
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65 * |
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66 * @return The new instance of Event Storage Manager object. |
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67 * @leave System wide error code if the object creation fails. |
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68 */ |
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69 IMPORT_C static CEvtEventManager* NewLC(); |
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70 |
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71 /** |
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72 * Destructor. |
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73 */ |
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74 virtual ~CEvtEventManager(); |
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75 |
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76 /** |
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77 * Gets a sorted list of Events based on Event Status Criteria. The sort |
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78 * is based on Event's Subject Field. |
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79 * |
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80 * The application can decide upon the list of Events returned. |
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81 * This can be achieved by passing a Event Status as the parameter |
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82 * to this function. The status of the Events is defined by |
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83 * @ref TEvtEventStatus |
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84 * |
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85 * The ownership of the list of Events is transferred to the caller. |
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86 * |
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87 * @since S60 v9.1 |
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88 * @param[in] TEvtEventStatus Event Status that decides the |
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89 * list of Events to be returned. |
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90 * @param[out] aEventArray Reference to an array of pointers to Event. |
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91 * This Array would be updated with the |
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92 * @ref CEvtBasicEventInfo objects. |
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93 * @return One of the following error values. |
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94 * - KErrNone, If the Events were successfully retrieved. |
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95 * - System wide error code if the database operation |
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96 * fails for any other reason. |
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97 */ |
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98 IMPORT_C void GetEventsL( |
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99 TEvtEventStatus aEvtStatus, |
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100 RPointerArray<CEvtBasicEventInfo>& aEvtEventArray ); |
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101 |
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102 /** |
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103 * Gets a sorted list of ALL Events. The sort is based on Event's |
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104 * Subject Field. |
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105 * |
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106 * The application gets all the Events entry from the database. |
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107 * |
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108 * The ownership of the list of Events is transferred to the caller. |
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109 * |
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110 * @since S60 v9.1 |
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111 * @param[out] aEventArray Reference to an array of pointers to Event. |
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112 * This Array would be updated with the |
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113 * @ref CEvtBasicEventInfo objects. |
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114 * @return One of the following error values. |
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115 * - KErrNone, If the Events were successfully retrieved. |
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116 * - System wide error code if the database operation |
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117 * fails for any other reason. |
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118 */ |
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119 IMPORT_C void GetEventsL( |
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120 RPointerArray<CEvtBasicEventInfo>& aEvtEventArray ); |
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121 |
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122 /** |
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123 * Gets an Event based on Event Id passed. |
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124 * |
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125 * The application can get the Event info based on the EventId passed. |
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126 * |
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127 * The ownership of the returned Event is transferred to the caller. |
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128 * |
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129 * @since S60 v9.1 |
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130 * @param[in] aEvtId EventId that decides the Event to be returned. |
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131 * @return CEvtEvent - Pointer to @ref CEvtEvent, if the Event was found |
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132 in the database. |
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133 - NULL, if the event was not present in the database. |
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134 */ |
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135 IMPORT_C CEvtEvent* GetEventL( TEvtEventId aEvtId ); |
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136 |
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137 /** |
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138 * Deletes the List of Events from Database. |
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139 * |
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140 * The application delete the list of Events from the database. |
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141 * |
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142 * @since S60 v9.1 |
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143 * @param[in] aEventArray Reference to the Events Id array that are to |
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144 * be removed form the database. |
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145 * @return One of the following error values. |
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146 * - KErrNone, If the Event was successfully deleted. |
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147 * - System wide error code if the database operation |
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148 * fails for any other reason. |
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149 */ |
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150 IMPORT_C void RemoveEventsL( |
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151 const RArray<TEvtEventId>& aEvtIdArray ); |
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152 |
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153 /** |
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154 * Update the status of events in Database. |
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155 * |
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156 * The application will pass the list of Events whose status are updated in the |
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157 * database. |
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158 * |
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159 * @since S60 v9.1 |
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160 * @param[in] aEventArray Reference to the Events Id array that are to |
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161 * be updated in database. |
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162 * @param[in] TEvtEventStatus Event Status that decides the |
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163 * list of Events to be returned. |
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164 * @return One of the following error values. |
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165 * - KErrNone, If the Event was successfully deleted. |
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166 * - System wide error code if the database operation |
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167 * fails for any other reason. |
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168 */ |
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169 IMPORT_C void UpdateEventsStatusL( |
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170 const RArray<TEvtEventId>& aEvtIdArray, |
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171 TEvtEventStatus aEvtStatus ); |
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172 |
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173 /** |
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174 * Updates the given Event to Database. |
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175 * |
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176 * The application will pass the Event that has to be updated in the |
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177 * database. |
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178 * |
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179 * @since S60 v9.1 |
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180 * @param[in] aEvtEvent Reference to the Event that is to be updated in |
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181 * the database. |
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182 * @return One of the following error values. |
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183 * - KErrNone, If the Event was successfully updated. |
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184 * - System wide error code if the database operation |
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185 * fails for any other reason. |
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186 */ |
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187 IMPORT_C void UpdateEventL( |
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188 CEvtEvent& aEvtEvent ); |
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189 |
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190 /** |
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191 * Inserts a new Event to Database. |
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192 * |
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193 * The application will pass the Event that has to be inserted in the |
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194 * database. |
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195 * |
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196 * @since S60 v9.1 |
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197 * @param[in] CEvtEvent Reference to the Event that has to |
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198 * be inserted into the database. |
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199 * @return One of the following error values. |
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200 * - KErrNone, If the Event was successfully inserted. |
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201 * - System wide error code if the database operation |
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202 * fails for any other reason. |
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203 */ |
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204 IMPORT_C void AddEventL( CEvtEvent& aEvtEvent ); |
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205 |
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206 /** |
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207 * Update the status of an Event in Database. |
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208 * |
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209 * The application will pass the Event whose status is updated in the |
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210 * database. |
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211 * |
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212 * @since S60 v9.1 |
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213 * @param[in] TEvtEventStatus Event Status that decides the |
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214 * list of Events to be returned. |
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215 * @param[in] CEvtEvent Reference to the Event that has to |
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216 * be updated into the database. |
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217 * @return One of the following error values. |
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218 * - KErrNone, If the Event was successfully updated. |
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219 * - System wide error code if the database update |
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220 * fails for any other reason. |
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221 */ |
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222 IMPORT_C void UpdateEventStatusL( |
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223 TEvtEventId aEvtId, |
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224 TEvtEventStatus aEvtStatus); |
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225 |
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226 /** |
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227 * Delete an Event from Database. |
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228 * |
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229 * The application will pass the Event that has to be deleted from the |
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230 * database. |
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231 * |
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232 * @since S60 v9.1 |
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233 * @param[in] aEventId Id of the Event that is to be removed form |
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234 * the database. |
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235 * @return One of the following error values. |
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236 * - KErrNone, If the Event was successfully deleted. |
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237 * - System wide error code if the database operation |
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238 * fails for any other reason. |
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239 */ |
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240 IMPORT_C void RemoveEventL( TEvtEventId aEvtId ); |
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241 |
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242 /** |
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243 * Set the Observer for the Storage Database. |
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244 * |
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245 * The application can listen to the change in the Storage database |
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246 * by setting the Observer. |
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247 * |
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248 * @since S60 v9.1 |
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249 * @param[in] aDbObserver An Observer to listen to Storage database |
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250 * changes. |
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251 */ |
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252 IMPORT_C void SetObserver( MEvtStorageDbObserver* aDbObserver ); |
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253 |
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254 private: |
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255 /** |
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256 * Default C++ Constructor. |
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257 */ |
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258 CEvtEventManager(); |
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259 |
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260 /** |
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261 * Second phase of the two phase constructor. |
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262 */ |
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263 void ConstructL(); |
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264 |
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265 private: // data |
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266 /** |
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267 * CEvtDatabaseRequest Instance |
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268 */ |
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269 CEvtDatabase* iEvtDb; |
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270 |
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271 }; |
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272 |
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273 #endif // C_EVTEVENTMANAGER_H |