1 cntviewbase.h |
1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef __CNTVIEWBASE_H__ |
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17 #define __CNTVIEWBASE_H__ |
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18 |
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19 // System includes |
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20 #include <e32std.h> |
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21 #include <s32mem.h> |
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22 |
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23 #include <cntdb.h> |
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24 |
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25 // Classes referenced |
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26 class CViewContactExtension; |
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27 class CContactViewBase; |
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28 class CContactRemoteViewNotifier; |
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29 class CIdleContactSorter; |
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30 class CContactViewFindConfigInterface; |
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31 class CViewContactSortPlugin; |
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32 class TSortPluginViewParams; |
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33 |
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34 /** View preferences for sorted contact views. |
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35 |
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36 This is used to specify the types of contact item that should be sorted and |
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37 included in the view and the behaviour for items that cannot be sorted because |
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38 they do not have content in any of the fields specified in the view's sort |
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39 order. |
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40 |
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41 The default behaviour is to include contact cards only and to sort contact |
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42 cards without content in any of the sort order fields using the first available |
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43 field containing any text. |
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44 |
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45 The view preferences for all concrete contact view classes can be retrieved |
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46 using their implementation of CContactViewBase::ContactViewPreferences(). |
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47 The view preferences are set during construction of a CContactLocalView. |
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48 |
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49 @publishedAll |
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50 @released |
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51 */ |
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52 enum TContactViewPreferences |
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53 { |
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54 /** Only contact cards (of type KUidContactCard or KUidContactOwnCard) are included |
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55 in the view. This is the default. */ |
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56 EContactsOnly =0x00000000, |
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57 /** Only contact groups (of type KUidContactGroup) are included in the view. */ |
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58 EGroupsOnly =0x00000001, |
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59 /** Contact groups and contact cards (of type KUidContactGroup, KUidContactCard |
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60 or KUidContactOwnCard) are included in the view. */ |
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61 EContactAndGroups =0x00000002, |
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62 /** Excludes contact items from the view which don't have content in any of the |
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63 fields specified in the sort order. */ |
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64 EIgnoreUnSorted =0x00000004, |
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65 /** Includes contacts in the view which don't have content in any of the fields |
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66 specified in the sort order. These contacts are placed in an unsorted contact |
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67 list which is located before the sorted list. */ |
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68 EUnSortedAtBeginning =0x00000008, |
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69 /** Includes contacts in the view which don't have content in any of the fields |
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70 specified in the sort order. These contacts are placed in an unsorted contact |
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71 list which is located after the sorted list. */ |
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72 EUnSortedAtEnd =0x00000010, |
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73 /** Fields containing a single white space only are treated as empty, and therefore |
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74 unsortable. */ |
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75 ESingleWhiteSpaceIsEmptyField =0x00000020, |
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76 /** Only ICC entries (of type KUidContactICCEntry) are included in the view. */ |
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77 EICCEntriesOnly =0x00000040, |
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78 /** Only contact cards and ICC entries (of type KUidContactCard, KUidContactOwnCard |
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79 or KUidContactICCEntry) are included in the view. */ |
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80 EICCEntriesAndContacts =0x00000080 |
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81 }; |
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82 |
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83 |
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84 class TContactViewEvent |
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85 /** Identifies a contact view event. |
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86 |
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87 Sent by contact views when notifying their observers of an event. |
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88 |
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89 @see MContactViewObserver::HandleContactViewEvent() |
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90 @publishedAll |
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91 @released |
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92 */ |
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93 { |
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94 public: |
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95 /** Identifies the event's type. */ |
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96 enum TEventType |
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97 { |
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98 /** The observed view's state has changed from EReady to either ENotReady or EInitializing, |
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99 so is not available for use. */ |
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100 EUnavailable, |
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101 /** The observed view's state has changed from ENotReady or EInitializing to EReady |
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102 so is available for use. */ |
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103 EReady, |
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104 /** The observed view's sort order has changed, so observer views need to update |
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105 themselves. */ |
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106 ESortOrderChanged, |
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107 /** An error occurred when sorting the observed view or when appending an observer |
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108 to its observer array. |
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109 |
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110 The error code is provided in iInt. */ |
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111 ESortError, |
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112 /** An error occurred in the contacts server. |
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113 |
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114 The error code is provided in iInt. */ |
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115 EServerError, |
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116 /** An error occurred when setting the range for a CContactSubView. |
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117 |
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118 The error code is provided in iInt. */ |
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119 EIndexingError, |
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120 /** An item has been added to the observed view. |
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121 |
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122 The ID of the added item is provided in iContactId and the index into the |
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123 observed view of the added item is provided in iInt. |
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124 Exception from this are the first version of CContactFindView, CContactSubView and |
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125 CContactGroupView classes. |
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126 For these classes, iInt has KErrNone value */ |
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127 |
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128 EItemAdded, |
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129 /** An item has been removed from the observed view. |
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130 |
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131 The ID of the removed item is provided in iContactId and the index into the |
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132 observed view of the item is provided in iInt. |
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133 Exception from this are the first version of CContactFindView and CContactSubView classes. |
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134 For these classes, iInt has KErrNone value */ |
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135 |
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136 EItemRemoved, |
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137 /** A change has occurred in a contact group, for instance a contact item has been |
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138 moved into or out of the group. |
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139 |
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140 The ID of the group affected is provided in iContactId. */ |
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141 EGroupChanged |
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142 }; |
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143 public: |
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144 inline TContactViewEvent(); |
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145 inline TContactViewEvent(TEventType aEventType,TInt aInt = KErrUnknown,TContactItemId aContactId = KErrUnknown); |
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146 public: |
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147 /** The type of event. */ |
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148 TEventType iEventType; |
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149 /** The error code (where relevant) or the index of the contact item added to/removed |
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150 from the underlying view. */ |
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151 TInt iInt; |
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152 /** The ID of the contact item that has been added or removed or the group ID, where |
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153 relevant. */ |
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154 TContactItemId iContactId;//ContactId that has been added / removed if relevant. |
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155 }; |
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156 |
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157 |
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158 struct TContactIdWithMapping |
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159 /** A struct used internally by filtered and group views to pair a contact item |
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160 ID and its index into the underlying view. |
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161 @publishedAll |
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162 @released |
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163 */ |
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164 { |
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165 /** The contact item's ID. */ |
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166 TContactItemId iId; |
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167 /** The index of the item into the view's underlying view. */ |
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168 TInt iMapping; |
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169 }; |
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170 |
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171 |
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172 class MContactViewObserver |
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173 /** The interface for a contact view observer. |
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174 |
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175 Objects that need to observe a contact view should implement this interface. |
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176 The view observer should be passed to the observed view's OpenL() or Open() |
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177 function. This adds the observer to the view's observer array: a view can |
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178 have more than one observer. The observers receive notifications when the |
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179 observed view becomes ready for use and when changes occur in it. |
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180 |
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181 Many contact view classes implement this interface to observe an underlying |
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182 view. They in turn send notification to any objects observing them. |
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183 |
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184 @see CContactViewBase::NotifyObservers() |
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185 @see CContactViewBase::NotifyObserverAsync() |
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186 @publishedAll |
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187 @released |
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188 */ |
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189 { |
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190 public: |
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191 /** Handles an event in an observed contact view. |
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192 |
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193 @param aView The contact view causing the notification. |
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194 @param aEvent The event. */ |
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195 virtual void HandleContactViewEvent(const CContactViewBase& aView,const TContactViewEvent& aEvent)=0; |
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196 }; |
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197 |
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198 |
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199 class RContactViewSortOrder |
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200 /** Specifies the sort order for a contact view. |
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201 |
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202 It is implemented as an array of TFieldType UIDs, which define the fields |
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203 whose contents are used to sort on, and their order. |
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204 |
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205 The sort order for all concrete contact view classes can be retrieved using |
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206 their implementation of CContactViewBase::SortOrderL(). The sort order is |
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207 set during construction of local and remote views. |
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208 @publishedAll |
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209 @released |
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210 */ |
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211 { |
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212 public: |
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213 IMPORT_C RContactViewSortOrder(); |
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214 IMPORT_C void Close(); |
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215 IMPORT_C void CopyL(const RContactViewSortOrder& aSortOrder); |
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216 IMPORT_C void InternalizeL(RReadStream& aStream); |
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217 IMPORT_C void ExternalizeL(RWriteStream& aStream) const; |
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218 IMPORT_C TInt ExternalizedSize() const; |
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219 IMPORT_C TBool operator==(const RContactViewSortOrder& aSortOrder) const; |
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220 inline void AppendL(TFieldType aField); |
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221 inline TFieldType operator[](TInt aIndex) const; |
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222 inline TInt Count() const; |
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223 private: |
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224 RArray<TFieldType> iFields; |
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225 TInt iSpare; |
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226 TInt32 iSpare2; |
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227 TInt32 iSpare3; |
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228 }; |
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229 |
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230 |
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231 /** |
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232 Wrapper around RArray, to container TTextFieldMinimal buffers. |
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233 |
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234 Features: minimum size 1, easy resize of array, persistent last counted total. |
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235 |
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236 @internalComponent |
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237 @released |
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238 */ |
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239 class RFieldBufferArray : public RArray<CContactDatabase::TTextFieldMinimal> |
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240 { |
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241 public: |
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242 explicit RFieldBufferArray(); |
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243 |
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244 void ResizeL(TInt aNewSize); |
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245 void ZeroAll(); |
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246 TInt NewTotal(); |
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247 TInt LastTotal() const; |
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248 |
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249 private: |
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250 TInt iTotalLength; |
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251 }; |
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252 |
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253 |
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254 |
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255 class CViewContact : public CBase |
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256 /** The representation of a contact item used in contact views. |
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257 |
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258 It stores the contact item ID and other information. This includes a buffer |
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259 holding the contents of all the item's fields, an array of indexes into the |
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260 buffer indicating the start position of each field and a hint bit field (a |
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261 combination of CContactDatabase::TContactViewFilter values) which is used |
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262 in filtered views. |
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263 |
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264 The fields are defined by the view's sort order (RContactViewSortOrder). |
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265 @publishedAll |
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266 @released |
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267 */ |
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268 { |
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269 public: |
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270 /** Defines whether the contact view item is a contact group. */ |
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271 enum TViewContactType |
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272 { |
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273 /** The contact view item is not a contact group. */ |
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274 EContactItem, |
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275 /** The contact view item is a contact group (CContactGroup). */ |
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276 EGroup |
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277 }; |
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278 IMPORT_C CViewContact(TContactItemId aId); |
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279 IMPORT_C static CViewContact* NewL(const CViewContact& aContact); |
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280 IMPORT_C static CViewContact* NewLC(TContactItemId aId); |
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281 IMPORT_C static CViewContact* NewL(TContactItemId aId, TInt aLength); |
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282 static CViewContact* NewLC(RReadStream& aStream); |
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283 |
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284 IMPORT_C ~CViewContact(); |
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285 IMPORT_C void InternalizeL(RReadStream& aStream); |
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286 IMPORT_C void ExternalizeL(RWriteStream& aStream) const; |
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287 IMPORT_C TInt ExternalizedSize() const; |
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288 IMPORT_C TInt FieldCount() const; |
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289 IMPORT_C TPtrC Field(TInt aPosition) const; |
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290 IMPORT_C TBool ContactMatchesFilter(TInt aFilter) const; |
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291 IMPORT_C void AddFieldL(const TDesC& aField); |
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292 IMPORT_C TBool IsSortable() const; |
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293 IMPORT_C void SetFirstFieldForBlankContactL(const TDesC& aFirstField); |
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294 IMPORT_C void Reset(); |
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295 IMPORT_C TInt ContactHint() const; |
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296 IMPORT_C void SetContactHint(TInt aHint); |
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297 IMPORT_C TUid ContactTypeUid() const; |
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298 IMPORT_C void SetContactTypeUid(TUid aUid); |
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299 |
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300 inline TContactItemId Id() const; |
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301 inline TViewContactType ContactType() const; |
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302 public: |
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303 inline void SetId(TContactItemId aId); |
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304 inline void SetContactType(CViewContact::TViewContactType aContactType); |
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305 static TBool HintFieldMatchesFilter(TInt aHintField, TInt aFilter); |
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306 TPtrC FindFirstPopulatedField(TInt aOffset, TInt& aFoundPosition) const; |
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307 |
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308 #ifdef __SYMBIAN_CNTMODEL_USE_SQLITE__ |
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309 IMPORT_C void ChangeToLightweightObject(); |
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310 TBool IsLightweightObject() const; |
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311 void CopyL(const CViewContact& aContact); |
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312 #endif //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
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313 |
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314 private: |
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315 void ConstructL(TInt aLength = 0); |
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316 void ConstructL(const CViewContact& aContact); |
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317 friend class CContactViewBase; |
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318 private: |
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319 TContactItemId iId; |
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320 TViewContactType iContactType; |
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321 CViewContactExtension* iExtension; |
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322 RArray<TInt> iTextIndexes; |
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323 }; |
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324 |
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325 |
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326 /* |
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327 * A view can be named or un-named. An un-named view has a fixed sort order - the |
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328 * only way to change this is by closing the object and creating a new one with a |
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329 * different order. Named views may have their sort order changed. When this is |
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330 * done, first all observers will be informed that the view is 'unavailable'. This |
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331 * notification will be followed by 'sort order changed' and 'ready'. Only once |
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332 * the 'ready' notification has been received may the view be used again. |
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333 */ |
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334 class CContactViewBase : public CBase |
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335 /** The abstract base class for all contact view classes. |
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336 |
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337 All contact views operate asynchronously, so users of the view must observe |
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338 it, by implementing the MContactViewObserver interface. Immediately after |
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339 construction, views are not in a usable state (the underlying data may be |
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340 being sorted, for instance). Only after the user has received a TContactViewEvent::EReady |
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341 event may the view be used. |
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342 |
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343 View observers are also notified when changes occur, for instance when the |
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344 view's state changes (see TState), when an error occurs, or when an item is |
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345 added or removed. |
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346 @publishedAll |
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347 @released |
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348 */ |
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349 { |
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350 public: |
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351 class CContactViewBaseExtension : public CBase |
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352 /** An extension class that holds member data added in v7.0s. |
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353 |
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354 It was created for binary compatibility purposes. |
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355 @internalComponent |
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356 @released */ |
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357 { |
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358 public: |
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359 static CContactViewBaseExtension* NewL(); |
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360 ~CContactViewBaseExtension(); |
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361 |
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362 private: |
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363 CContactViewBaseExtension(); |
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364 void ConstructL(); |
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365 |
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366 public: |
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367 /** A standard error code that is passed to view observers by NotifyObservers() |
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368 (unless its value is KErrNone). */ |
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369 TInt iError; |
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370 /** The UID of the view's find configuration plug-in. |
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371 |
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372 On construction, this is initialised to KNullUid. |
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373 |
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374 The plug-in is loaded when ContactsMatchingCriteriaL(), ContactsMatchingPrefixL() |
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375 or MatchesCriteriaL() is called. */ |
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376 TUid iFindPluginUid; |
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377 /** The UID of the view's sort plug-in. */ |
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378 TUid iSortPluginUid; |
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379 private: |
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380 CContactViewFindConfigInterface* iFindPluginImpl; |
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381 CViewContactSortPlugin* iSortPluginImpl; |
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382 TCollationMethod iCollationMethod; |
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383 friend class CContactViewBase; |
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384 }; |
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385 class TVirtualFunction1Params |
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386 /** Holds the two parameters passed to the helper method GetContactIdsL() from |
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387 the reserved function CContactViewBase_Reserved_1(). It has an inline constructor |
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388 to initialise the data members. |
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389 @publishedAll |
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390 @released */ |
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391 { |
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392 public: |
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393 /** Inline constructor to initialize member data |
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394 @param aIndexes Pointer to an array of indexes in a view |
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395 @param aIdArray Pointer to array of contact IDs */ |
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396 inline TVirtualFunction1Params(const CArrayFix<TInt>* aIndexes, CContactIdArray* aIdArray) :iIndexes(aIndexes), iIdArray(aIdArray){}; |
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397 /** Pointer to an array of indexes in a view */ |
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398 const CArrayFix<TInt>* iIndexes; |
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399 /** Pointer to array of contact IDs */ |
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400 CContactIdArray* iIdArray; |
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401 }; |
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402 class TVirtualFunction2Params |
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403 /** Holds the two parameters passed to the method GetContactsMatchingFilterL() |
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404 from the reserved function CContactViewBase_Reserved_1(). It has an inline |
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405 constructor to initialise the data members. |
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406 */ |
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407 { |
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408 public: |
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409 /** Inline constructor to initialize member data. |
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410 @param aFilter Filter for the contacts |
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411 @param aMatchingContacts Contacts matching a particular criterion */ |
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412 inline TVirtualFunction2Params(TInt aFilter, RArray<TContactIdWithMapping>& aMatchingContacts) : iFilter(aFilter), iMatchingContacts(aMatchingContacts){}; |
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413 public: |
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414 /** Filter for the contacts. */ |
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415 TInt iFilter; |
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416 /** List of contacts matching the criteria. */ |
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417 RArray<TContactIdWithMapping>& iMatchingContacts; |
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418 }; |
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419 class TVirtualFunction3Params |
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420 /** Holds the two parameters passed to the method InsertContactInView() from the |
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421 reserved function CContactViewBase_Reserved_1(). It has an inline |
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422 constructor to initialise the data members. |
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423 |
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424 @internalAll */ |
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425 { |
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426 public: |
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427 inline TVirtualFunction3Params(RPointerArray<CViewContact>& aContacts, const CViewContact* aNewContact) :iContacts(aContacts), iNewContact(aNewContact){}; |
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428 RPointerArray<CViewContact>& iContacts; |
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429 const CViewContact* iNewContact; |
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430 }; |
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431 /** Search type. |
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432 |
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433 This controls whether a search term can occur anywhere in a contact item field, |
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434 or just at the beginning of the field. */ |
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435 enum TSearchType |
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436 { |
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437 /** The search uses full wildcard matching so that the search string can occur anywhere |
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438 in the item's fields. */ |
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439 EFullSearch, |
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440 /** The search uses partial wildcard matching so that the search string can only |
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441 occur at the beginning of the item's fields. */ |
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442 EPrefixSearch |
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443 }; |
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444 /** Identifies the functions that have been added to CContactViewBase, or that |
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445 may be added in the future. This identifier is passed to the reserved virtual |
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446 function CContactViewBase_Reserved_1() and enables the addition of new virtual |
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447 methods without breaking binary compatibility. */ |
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448 enum TFunction |
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449 { |
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450 /** Identifies the function CContactViewBase::GetContactIdsL(). */ |
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451 ECContactViewBaseVirtualFunction1, |
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452 /** Identifies the function CContactViewBase::GetContactsMatchingFilterL(). */ |
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453 ECContactViewBaseVirtualFunction2, |
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454 // communication with Sort Plug-in |
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455 /** Identifies the function CContactViewBase::InsertContactInView(). */ |
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456 ECContactViewBaseVirtualFunction3, |
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457 }; |
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458 protected: |
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459 /** Defines the contact view states. */ |
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460 enum TState |
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461 { |
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462 /** The view is initialising. |
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463 |
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464 This is the view's state immediately after construction or after a significant change |
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465 (e.g CurrentDatabaseChanged or UnknownChanges), indicating that it can't be used yet. */ |
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466 EInitializing, |
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467 /** The view is ready to be used. */ |
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468 EReady, |
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469 /** The view is not ready to be used, for instance immediately after the sort order |
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470 has changed, or after an error has occurred. */ |
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471 ENotReady |
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472 }; |
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473 public: |
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474 IMPORT_C void OpenL(MContactViewObserver& aObserver); |
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475 IMPORT_C TInt Open(MContactViewObserver& aObserver); |
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476 IMPORT_C TBool Close(const MContactViewObserver& aObserver); |
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477 /** Returns the contact item ID at the specified index into the view. |
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478 |
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479 @capability ReadUserData |
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480 @param aIndex Index of the contact item ID into the view. |
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481 @return The contact item ID. */ |
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482 virtual TContactItemId AtL(TInt aIndex) const=0; |
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483 /** Returns the contact item at the specified index into the view. |
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484 |
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485 @capability ReadUserData |
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486 @param aIndex Index of the contact item into the view. |
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487 @return The contact item. */ |
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488 virtual const CViewContact& ContactAtL(TInt aIndex) const =0; |
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489 /** Returns the number of contact items in the view. |
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490 |
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491 @capability ReadUserData |
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492 @return The number of contact items in the view. */ |
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493 virtual TInt CountL() const=0; |
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494 /** Returns the index into the view of the specified contact item. |
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495 |
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496 @capability ReadUserData |
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497 @param aId The contact item ID to search for. |
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498 @return The index into the view of the contact item ID, or KErrNotFound if |
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499 no matching ID can be found. */ |
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500 virtual TInt FindL(TContactItemId aId) const=0; |
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501 /** Returns a descriptor containing the contents of all fields for an item in the view. |
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502 |
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503 The field separator is used to separate the contents of each field. It is |
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504 not appended to the last field. |
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505 |
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506 @capability ReadUserData |
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507 @param aIndex The index of the contact item into the view. |
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508 @param aSeparator The string to use to separate the fields. |
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509 @return Pointer to the contact item descriptor. */ |
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510 virtual HBufC* AllFieldsLC(TInt aIndex,const TDesC& aSeparator) const=0; |
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511 IMPORT_C virtual void ContactsMatchingCriteriaL(const MDesCArray& aFindWords,RPointerArray<CViewContact>& aMatchedContacts); |
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512 /** Gets the view preferences. |
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513 |
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514 @capability ReadUserData |
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515 @return The view preferences. */ |
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516 virtual TContactViewPreferences ContactViewPreferences()=0; |
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517 /** Gets the view's sort order. |
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518 |
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519 @capability ReadUserData |
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520 @return The sort order. */ |
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521 virtual const RContactViewSortOrder& SortOrderL() const = 0; |
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522 IMPORT_C virtual void ContactsMatchingPrefixL(const MDesCArray& aFindWords, RPointerArray<CViewContact>& aMatchedContacts); |
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523 //This is a reserved virtual exported function that is used for BC proofing against present |
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524 //and future additions of new exported virtual functions. Existing exported virtual methods |
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525 //that broke BC are now non-virtual exported helper functions called from this method. |
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526 //All derived classes of CContactViewBase that are public must mandatorily |
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527 //implement this reserved exported virtual method. |
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528 IMPORT_C virtual TAny* CContactViewBase_Reserved_1(TFunction aFunction,TAny* aParams); |
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529 //New exported method to set the ECOM plug-in to be used |
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530 IMPORT_C void SetViewFindConfigPlugin(TUid aUid); |
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531 IMPORT_C TUid GetViewFindConfigPlugin(); |
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532 IMPORT_C virtual void GetContactIdsL(const CArrayFix<TInt>& aIndexes, CContactIdArray& aContactIds); |
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533 IMPORT_C TInt Error() const; |
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534 IMPORT_C TUid GetViewSortPluginImplUid() const; |
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535 |
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536 protected: |
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537 IMPORT_C ~CContactViewBase(); |
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538 IMPORT_C void ConstructL(); |
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539 |
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540 IMPORT_C CContactViewBase(const CContactDatabase& aDb); |
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541 IMPORT_C void NotifyObservers(const TContactViewEvent& aEvent); |
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542 IMPORT_C TInt NotifyObserverAsync(MContactViewObserver& aObserver,const TContactViewEvent& aEvent); |
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543 IMPORT_C static TBool IdsMatch(const CViewContact& aFirst,const CViewContact& aSecond); |
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544 IMPORT_C HBufC* FieldsWithSeparatorLC(const RPointerArray<CViewContact>& aContacts,TInt aIndex,const TDesC& aSeparator) const; |
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545 //Find helper functions |
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546 IMPORT_C virtual TBool MatchesCriteriaL(const CViewContact& aContact,const MDesCArray& aFindWords); |
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547 IMPORT_C static TBool MatchesCriteriaL(const CViewContact& aContact,const MDesCArray& aFindWords, TSearchType aSearchType); |
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548 IMPORT_C static TBool MatchesCriteriaL(const CViewContact& aContact,const MDesCArray& aFindWords, TSearchType aSearchType,CContactViewBase::CContactViewBaseExtension* aExtension); |
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549 IMPORT_C static TBool IdsEqual(const TContactIdWithMapping& aFirst,const TContactIdWithMapping& aSecond); |
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550 IMPORT_C static TBool IndexesEqual(const TContactIdWithMapping& aFirst,const TContactIdWithMapping& aSecond); |
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551 IMPORT_C static TInt CompareFieldsL(const CViewContact& aFirst, const CViewContact& aSecond); |
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552 // View Sort Plugin changes |
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553 IMPORT_C static TInt CompareContactIds(const CViewContact& aFirst, const CViewContact& aSecond); |
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554 IMPORT_C static TBool ContactIsSortable(const CViewContact& aContact); |
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555 IMPORT_C TInt CompareContactsAndIdsL(const CViewContact& aFirst, const CViewContact& aSecond) const; |
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556 protected: // these are needed by CContactLocalView only |
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557 TInt InsertContactInView(RPointerArray<CViewContact>& aContacts, const CViewContact* aNewContact, TBool aSortByIdOnly, TInt* aIndex) const; |
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558 TBool IsContactSortable(const CViewContact& aContact, TContactViewPreferences& aViewPreferences) const; |
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559 CViewContactSortPlugin* SortPluginImpl() const; |
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560 TUid FindSortPluginImplL (const TDesC8& aSortPluginName,TBool aWildCard=EFalse) const; |
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561 TUid FindDefaultViewSortPluginImplL () const; |
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562 void LoadViewSortPluginL (TUid aSortPluginUid,TContactViewPreferences& aViewPreferences); |
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563 |
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564 private: |
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565 static TInt AsyncNotifyCallBack(TAny* aSelf); |
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566 static CDesCArrayFlat* CreateFindWordArrayLC(const MDesCArray& aFindWords, TSearchType aSearchType); |
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567 static TBool ContactMatchesCriteriaL(const CViewContact& aContact,const MDesCArray& aFindWords,CContactViewBase::CContactViewBaseExtension* aExtension); |
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568 void MatchContactsL(const MDesCArray& aFindWords,RPointerArray<CViewContact>& aMatchedContacts, TSearchType aSearchType); |
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569 static TInt CompareFieldsWithCollationLevel(const CViewContact& aFirst, const CViewContact& aSecond, |
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570 TInt aCollationLevel, TCollationMethod* aCollateMethod); |
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571 TInt GetErrorValueFromExtensionClass(); |
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572 void GetContactsMatchingFilterL(TInt aFilter, RArray<TContactIdWithMapping>& aMatchingContacts); |
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573 TInt TextCompareFieldsL(const CViewContact& aFirst, const CViewContact& aSecond) const; |
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574 |
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575 |
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576 private: |
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577 struct TObserverAndEvent |
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578 { |
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579 TContactViewEvent iAsyncEvent; |
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580 MContactViewObserver* iObserverToNotify; |
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581 }; |
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582 protected: |
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583 // Reference to CContactDatabase class. |
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584 const CContactDatabase& iDb; |
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585 // Different Contacts view states. |
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586 TState iState; |
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587 // The pointer to the ContactViewBase BC extension class. |
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588 CContactViewBaseExtension* iExtension; |
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589 private: |
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590 RPointerArray<MContactViewObserver> iObserverArray; |
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591 CIdle* iAsyncNotifier; |
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592 RArray<TObserverAndEvent> iOutstandingNotifications; |
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593 }; |
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594 |
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595 inline TInt CContactViewBase::GetErrorValueFromExtensionClass() |
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596 { |
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597 return iExtension->iError; |
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598 } |
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599 |
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600 class MLplPersistenceLayerFactory; |
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601 |
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602 #ifdef __SYMBIAN_CNTMODEL_USE_SQLITE__ |
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603 |
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604 class CViewContactManager; |
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605 |
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606 #else //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
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607 |
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608 class CViewIterator; |
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609 |
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610 #endif //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
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611 |
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612 class CContactLocalView : public CContactViewBase, public MContactDbObserver |
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613 /** An instantiable base class for contact views. |
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614 |
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615 The data associated with a local view is allocated within the client's memory |
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616 space; CContactRemoteView should be used in preference if the view is likely |
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617 to be shared between multiple clients. It is kept up to date by receiving |
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618 change events from the underlying CContactDatabase object which it observes. |
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619 The view preferences and sort order are specified on construction. |
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620 @publishedAll |
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621 @released |
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622 */ |
|
623 { |
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624 public: |
|
625 IMPORT_C static CContactLocalView* NewL(MContactViewObserver& aObserver,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes); |
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626 IMPORT_C static CContactLocalView* NewL(MContactViewObserver& aObserver,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes, |
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627 const TDesC8& aSortPluginName); |
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628 IMPORT_C static CContactLocalView* NewL(MContactViewObserver& aObserver,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes, |
|
629 MLplPersistenceLayerFactory* aFactory,const TDesC8& aSortPluginName); |
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630 |
|
631 IMPORT_C const RContactViewSortOrder& SortOrder() const; |
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632 public: // From CContactViewBase. |
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633 TContactItemId AtL(TInt aIndex) const; |
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634 TInt CountL() const; |
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635 TInt FindL(TContactItemId aId) const; |
|
636 HBufC* AllFieldsLC(TInt aIndex,const TDesC& aSeparator) const; |
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637 const CViewContact& ContactAtL(TInt aIndex) const; |
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638 TContactViewPreferences ContactViewPreferences(); |
|
639 const RContactViewSortOrder& SortOrderL() const; |
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640 void NotifySortError(TInt aError); |
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641 //All derived classes of CContactViewBase that are public should mandatorily |
|
642 //implement this reserved exported virtual method. |
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643 IMPORT_C TAny* CContactViewBase_Reserved_1(TFunction aFunction,TAny* aParams); |
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644 protected: |
|
645 IMPORT_C ~CContactLocalView(); |
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646 IMPORT_C CContactLocalView(const CContactDatabase& aDb,TContactViewPreferences aContactTypes); |
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647 CContactLocalView(const CContactDatabase& aDb,TContactViewPreferences aContactTypes,MLplPersistenceLayerFactory* aIterFactory); |
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648 IMPORT_C void ConstructL(MContactViewObserver& aObserver,const RContactViewSortOrder& aSortOrder); |
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649 void ConstructL(MContactViewObserver& aObserver,const RContactViewSortOrder& aSortOrder, const TBool aUseNamedPlugin, const TDesC8& aSortPluginName); |
|
650 IMPORT_C virtual void SortL(const RContactViewSortOrder& aSortOrder); |
|
651 IMPORT_C virtual TInt InsertL(TContactItemId aId); |
|
652 IMPORT_C virtual TInt RemoveL(TContactItemId aId); |
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653 protected: |
|
654 void SetState(TState aState); |
|
655 private: // From MContactDbObserver. |
|
656 virtual void HandleDatabaseEventL(TContactDbObserverEvent aEvent); |
|
657 |
|
658 private: |
|
659 |
|
660 #ifdef __SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
661 void SortComplete(TInt aSortErr); |
|
662 void SetSortOrderL(const RContactViewSortOrder& aSortOrder); |
|
663 void SortL(); |
|
664 void SafeResort(); |
|
665 friend class CViewContactManager; |
|
666 #else //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
667 TInt SortCallBack(); |
|
668 TInt DoReadIncrementL(); |
|
669 void ResetSortL(); |
|
670 void InitialiseSortL(const RContactViewSortOrder& aSortOrder, TBool aChangingSortOrder); |
|
671 void SortL(); |
|
672 void SafeResort(); |
|
673 void ContactsArraySortL(); |
|
674 TBool ContactCorrectType(TUid aType,TContactViewPreferences aTypeToInclude); |
|
675 #endif //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
676 |
|
677 private: // Metheds for event handling |
|
678 void HandleOutstandingEvents(); |
|
679 void HandleOutstandingEventL(); |
|
680 friend class CIdleContactSorter; |
|
681 protected: |
|
682 /** The sort order. |
|
683 This is set during construction or when SortL() is called. */ |
|
684 RContactViewSortOrder iSortOrder ; |
|
685 private: |
|
686 IMPORT_C virtual void CContactLocalView_Reserved_1(); |
|
687 IMPORT_C virtual void CContactLocalView_Reserved_2(); |
|
688 |
|
689 private: |
|
690 MLplPersistenceLayerFactory* iFactory; |
|
691 RPointerArray<CViewContact> iContacts; |
|
692 RPointerArray<CViewContact> iUnSortedContacts; |
|
693 RArray<TContactDbObserverEvent> iOutstandingEvents; |
|
694 CIdleContactSorter* iAsyncSorter; |
|
695 |
|
696 #ifdef __SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
697 CViewContactManager* iViewCntMgr; |
|
698 #else //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
699 CViewIterator* iViewIterator; |
|
700 #endif //__SYMBIAN_CNTMODEL_USE_SQLITE__ |
|
701 |
|
702 CContactTextDef* iTextDef; |
|
703 TContactViewPreferences iViewPreferences; |
|
704 TBool iSpare0; |
|
705 TInt iSpare; |
|
706 }; |
|
707 |
|
708 class RContactRemoteView : public RSubSessionBase |
|
709 /** This class is used internally by remote contact views as the handle to the |
|
710 server side view object. |
|
711 |
|
712 @see CContactRemoteViewBase |
|
713 @internalComponent |
|
714 @released |
|
715 */ |
|
716 { |
|
717 public: |
|
718 void OpenL(const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes,const TUid& aSortPluginImplUid,const TDesC8& aSortPluginName); |
|
719 void OpenL(const CContactDatabase& aDb,const TDesC& aName,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes,const TUid& aSortPluginImplUid,const TDesC8& aSortPluginName); |
|
720 void Close(); |
|
721 public: // From CContactViewBase |
|
722 TContactItemId AtL(TInt aIndex) const; |
|
723 CViewContact* ContactAtL(TInt aIndex); |
|
724 TInt CountL() const; |
|
725 TInt FindL(TContactItemId aId) const; |
|
726 HBufC* AllFieldsLC(TInt aIndex,const TDesC& aSeparator) const; |
|
727 const RContactViewSortOrder& SortOrderL(); |
|
728 public: |
|
729 void ContactsMatchingCriteriaL(const MDesCArray& aFindWords,RPointerArray<CViewContact>& aMatchedContacts, TBool aPrefixSearch,TUid aUid); |
|
730 void ChangeSortOrderL(const RContactViewSortOrder& aSortOrder); |
|
731 void GetSortOrderL(RContactViewSortOrder& aSortOrder); |
|
732 TContactViewPreferences ContactViewPreferencesL(); |
|
733 |
|
734 void RequestViewEvent(TPckgBuf<TContactViewEvent>& aEvent,TRequestStatus& aStatus); |
|
735 TInt CancelRequestViewEvent(); |
|
736 void GetContactIdsL(const CArrayFix<TInt>& aIndexes, CContactIdArray& aContactIds); |
|
737 void GetContactsMatchingFilterL(TInt aFilter, RArray<TContactIdWithMapping>& aMatchingContacts); |
|
738 TUid GetViewSortPluginImplUidL() const; |
|
739 private: |
|
740 HBufC8* PackageSortOrderLC(const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes) const; |
|
741 HBufC8* PackageSortOrderAndPluginDetailsLC(const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes,const TUid& aSortPluginImplUid,const TDesC8& aSortPluginName) const; |
|
742 private: |
|
743 CViewContact* iContact; |
|
744 RContactViewSortOrder iSortOrder ; |
|
745 }; |
|
746 |
|
747 |
|
748 NONSHARABLE_CLASS(CContactRemoteViewBase) : public CContactViewBase |
|
749 /** Base class for all remote contact view classes. |
|
750 |
|
751 It implements all the pure virtual functions in CContactViewBase and additionally |
|
752 it handles remote view notifications. The data associated with remote views |
|
753 is allocated within the memory space of the contacts server. This means that |
|
754 multiple clients can share the same server side view object, thereby reducing |
|
755 the overhead associated with initial sorting of the view data and keeping |
|
756 it in sync with the underlying data. Remote views should therefore be used |
|
757 when the same view is likely to be needed by more than one client. |
|
758 @internalComponent |
|
759 @released |
|
760 */ |
|
761 { |
|
762 public: // From CContactViewBase. |
|
763 TContactItemId AtL(TInt aIndex) const; |
|
764 TInt CountL() const; |
|
765 TInt FindL(TContactItemId aId) const; |
|
766 HBufC* AllFieldsLC(TInt aIndex,const TDesC& aSeparator) const; |
|
767 const CViewContact& ContactAtL(TInt aIndex) const; |
|
768 TContactViewPreferences ContactViewPreferences(); |
|
769 void ContactsMatchingCriteriaL(const MDesCArray& aFindWords,RPointerArray<CViewContact>& aMatchedContacts); |
|
770 void ContactsMatchingPrefixL(const MDesCArray& aFindWords, RPointerArray<CViewContact>& aMatchedContacts); |
|
771 const RContactViewSortOrder& SortOrderL() const; |
|
772 //All derived classes of CContactViewBase that are public should mandatorily |
|
773 //implement this reserved exported virtual method. |
|
774 TAny* CContactViewBase_Reserved_1(TFunction aFunction,TAny* aParams); |
|
775 //This function was virtual in a previous release, if you still need to use it |
|
776 //in a virtual way then you can call it via the Reserved function. |
|
777 //The functionality of this function ,however,remains the same. |
|
778 void GetContactIdsL(const CArrayFix<TInt>& aIndexes, CContactIdArray& aContactIds); |
|
779 void GetContactsMatchingFilterL(TInt aFilter, RArray<TContactIdWithMapping>& aMatchingContacts); |
|
780 protected: |
|
781 ~CContactRemoteViewBase(); |
|
782 CContactRemoteViewBase(const CContactDatabase& aDb); |
|
783 void ConstructL(MContactViewObserver& aObserver); |
|
784 private: |
|
785 static TInt NotifierCallBack(TAny* aSelf); |
|
786 void HandleContactViewEvent(const TContactViewEvent& aEvent); |
|
787 protected: |
|
788 /** A handle to the server side view. */ |
|
789 RContactRemoteView iView; |
|
790 private: |
|
791 CContactRemoteViewNotifier* iNotifier; |
|
792 /** Cached copy of the count of the local view in the contacts server. |
|
793 If this is KCachedItemCountInvalid then next time CountL is called |
|
794 the current count is retrieved from the contacts server. */ |
|
795 mutable TInt iCount; |
|
796 }; |
|
797 |
|
798 |
|
799 class CContactRemoteView : public CContactRemoteViewBase |
|
800 /** An instantiable remote contact view class. |
|
801 |
|
802 Remote views are associated with a CContactLocalView object held in the contacts |
|
803 server. They provide an efficient means for multiple clients to share the |
|
804 same underlying view. |
|
805 |
|
806 The view preferences and sort order are specified on construction. |
|
807 @publishedAll |
|
808 @released |
|
809 */ |
|
810 { |
|
811 public: |
|
812 IMPORT_C static CContactRemoteView* NewL(MContactViewObserver& aObserver,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes); |
|
813 IMPORT_C static CContactRemoteView* NewL(MContactViewObserver& aObserver,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes, |
|
814 const TDesC8& aSortPluginName); |
|
815 IMPORT_C void GetSortOrderL(RContactViewSortOrder& aSortOrder); |
|
816 //All derived classes of CContactViewBase that are public should mandatorily |
|
817 //implement this reserved exported virtual method. |
|
818 TAny* CContactViewBase_Reserved_1(TFunction aFunction,TAny* aParams); |
|
819 protected: |
|
820 ~CContactRemoteView(); |
|
821 CContactRemoteView(const CContactDatabase& aDb); |
|
822 private: |
|
823 void ConstructL(MContactViewObserver& aObserver,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes); |
|
824 void ConstructL(MContactViewObserver& aObserver,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypesconst, const TDesC8& aSortPluginName); |
|
825 }; |
|
826 |
|
827 |
|
828 class CContactNamedRemoteView : public CContactRemoteView |
|
829 /** A named remote contact view. |
|
830 |
|
831 This class enables multiple clients to share a named server side view. It |
|
832 also provides a function to change the sort order. If the sort order is changed, |
|
833 a notification is sent to all users of the named view. |
|
834 @publishedAll |
|
835 @released |
|
836 */ |
|
837 { |
|
838 public: |
|
839 IMPORT_C static CContactNamedRemoteView* NewL(MContactViewObserver& aObserver,const TDesC& aName,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes); |
|
840 IMPORT_C static CContactNamedRemoteView* NewL(MContactViewObserver& aObserver,const TDesC& aName,const CContactDatabase& aDb,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes, |
|
841 const TDesC8& aSortPluginName); |
|
842 IMPORT_C void ChangeSortOrderL(const RContactViewSortOrder& aSortOrder); |
|
843 //All derived classes of CContactViewBase that are public should mandatorily |
|
844 //implement this reserved exported virtual method. |
|
845 TAny* CContactViewBase_Reserved_1(TFunction aFunction,TAny* aParams); |
|
846 private: |
|
847 ~CContactNamedRemoteView(); |
|
848 CContactNamedRemoteView(const CContactDatabase& aDb); |
|
849 void ConstructL(MContactViewObserver& aObserver,const TDesC& aName,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes); |
|
850 void ConstructL(MContactViewObserver& aObserver,const TDesC& aName,const RContactViewSortOrder& aSortOrder,TContactViewPreferences aContactTypes, const TDesC8& aSortPluginName); |
|
851 }; |
|
852 |
|
853 inline TContactViewEvent::TContactViewEvent() |
|
854 /** Empty default constructor. */ |
|
855 {}; |
|
856 |
|
857 inline TContactViewEvent::TContactViewEvent(TEventType aEventType,TInt aInt,TContactItemId aContactId) : iEventType(aEventType),iInt(aInt),iContactId(aContactId) |
|
858 /** Constructor with an event type and an optional error code and contact item ID. |
|
859 |
|
860 @param aEventType The event type. |
|
861 @param aInt Optional standard error code. |
|
862 @param aContactId Optional contact item ID. */ |
|
863 {}; |
|
864 |
|
865 inline void RContactViewSortOrder::AppendL(TFieldType aField) |
|
866 /** Appends a field type to the sort order object. |
|
867 |
|
868 @param aField The field type to append. */ |
|
869 { User::LeaveIfError(iFields.Append(aField)); } |
|
870 |
|
871 inline TFieldType RContactViewSortOrder::operator[](TInt aIndex) const |
|
872 /** Gets an indexed field type. |
|
873 |
|
874 @param aIndex Index of the required field type. A panic occurs if this is |
|
875 invalid. |
|
876 @return The field type located at the indexed position in the array. */ |
|
877 { return iFields[aIndex]; } |
|
878 |
|
879 inline TInt RContactViewSortOrder::Count() const |
|
880 /** Gets the number of field types in the sort order array. |
|
881 |
|
882 @return The number of field types in the array. */ |
|
883 { return iFields.Count(); } |
|
884 |
|
885 inline TContactItemId CViewContact::Id() const |
|
886 /** Gets the view item's ID. |
|
887 |
|
888 @return The view item's ID. */ |
|
889 {return iId;} |
|
890 |
|
891 inline CViewContact::TViewContactType CViewContact::ContactType() const |
|
892 /** Gets the view item's type. |
|
893 |
|
894 @return The view item's type. */ |
|
895 {return iContactType;} |
|
896 |
|
897 inline void CViewContact::SetId(TContactItemId aId) |
|
898 /** Sets the view item's ID. |
|
899 |
|
900 @param aId The contact item ID. */ |
|
901 {iId=aId;} |
|
902 |
|
903 inline void CViewContact::SetContactType(CViewContact::TViewContactType aContactType) |
|
904 /** Sets the view item's type. |
|
905 |
|
906 @param aContactType The view item's type. */ |
|
907 {iContactType=aContactType;} |
|
908 #endif |