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1 /* |
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2 * Copyright (c) 2006 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: Presence Service Connection group list subscription implementation. |
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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 #include <badesca.h> |
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20 |
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21 #include "grouplistsubscriptionitem.h" |
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22 #include "presenceinfofilterimp.h" |
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23 #include "ximpitemparent.h" |
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24 #include "ximppanics.h" |
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25 #include "ximppsccontext.h" |
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26 #include "documentutils.h" |
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27 #include "presentitygrouplisteventimp.h" |
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28 #include "presencetypehelpers.h" |
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29 #include "presentitygroupinfoimp.h" |
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30 //#include "ximpapieventbase.h" |
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31 |
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32 #include "ximptrace.h" |
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33 // --------------------------------------------------------------------------- |
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34 // CGroupListSubscriptionItem::CGroupListSubscriptionItem() |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 CGroupListSubscriptionItem::CGroupListSubscriptionItem( MXIMPItemParentBase& aParent ) |
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38 : CXIMPSubscriptionItemBase( aParent ) |
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39 { |
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40 } |
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41 |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CGroupListSubscriptionItem::ConstructL() |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 void CGroupListSubscriptionItem::ConstructL() |
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48 { |
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49 BaseConstructL(); |
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50 // empty lists must always exist |
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51 iCurrentList = new ( ELeave) RPrGrpInfoImpArray; |
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52 |
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53 iCreated = new ( ELeave ) RPrGrpInfoImpArray; |
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54 iUpdated = new ( ELeave ) RPrGrpInfoImpArray; |
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55 iDeleted = new ( ELeave ) RPrGrpInfoImpArray; |
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56 } |
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57 |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // CGroupListSubscriptionItem::NewL() |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 CGroupListSubscriptionItem* CGroupListSubscriptionItem::NewLC( MXIMPItemParentBase& aParent ) |
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64 { |
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65 CGroupListSubscriptionItem* self = new( ELeave ) CGroupListSubscriptionItem( aParent ); |
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66 CleanupClosePushL( *self ); |
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67 self->ConstructL(); |
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68 return self; |
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69 } |
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70 |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // CGroupListSubscriptionItem::~CGroupListSubscriptionItem() |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 CGroupListSubscriptionItem::~CGroupListSubscriptionItem() |
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77 { |
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78 MXIMPItemParent* presCache = static_cast<MXIMPItemParent*>(iParent.GetInterface(PRESENCE_ITEM_PARENT)); |
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79 presCache->RemoveMe( this ); |
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80 |
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81 if( iCurrentList ) |
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82 { |
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83 iCurrentList->Close(); |
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84 } |
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85 delete iCurrentList; |
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86 |
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87 Clean(); |
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88 // just in case |
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89 delete iCreated; |
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90 delete iDeleted; |
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91 delete iUpdated; |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // CGroupListSubscriptionItem::SynthesiseSubscriptionEventTo() |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CGroupListSubscriptionItem::SynthesiseSubscriptionEventToL( |
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99 MXIMPPscContext* aContext, TBool aForceEvent ) |
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100 { |
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101 TRACE_1( _L("CGroupListSubscriptionItem::SynthesiseSubscriptionEventTo() aForce=%d"), aForceEvent ); |
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102 CXIMPDataSubscriptionStateImp* status = StatusLC( aContext ); |
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103 |
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104 if( status->DataState() == MXIMPDataSubscriptionState::EDataAvailable || aForceEvent ) |
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105 { |
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106 CPresentityGroupListEventImp* newEvent = CPresentityGroupListEventImp::NewL( |
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107 iCreated, |
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108 iUpdated, |
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109 iDeleted, |
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110 aForceEvent ? iCurrentList : NULL, |
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111 status |
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112 ); |
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113 CleanupStack::Pop( status ); |
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114 CleanupStack::PushL( newEvent ); |
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115 |
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116 MXIMPItemParent* presCache = static_cast<MXIMPItemParent*>(iParent.GetInterface(PRESENCE_ITEM_PARENT)); |
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117 presCache->AddEventL( *newEvent, aContext ); |
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118 |
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119 } |
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120 CleanupStack::PopAndDestroy(); //status || newEvent. Depending on branch. |
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121 } |
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122 |
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123 |
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124 // --------------------------------------------------------------------------- |
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125 // CGroupListSubscriptionItem::SetNewListL |
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126 // --------------------------------------------------------------------------- |
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127 // |
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128 EXPORT_C void CGroupListSubscriptionItem::SetNewListL( |
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129 RPrGrpInfoImpArray* aGroupList ) |
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130 { |
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131 TRACE_1( _L("CGroupListSubscriptionItem::SetNewListL() aGroupList Count=%d"), aGroupList->Count() ); |
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132 // we will eventually take ownership to this |
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133 RPrGrpInfoImpArray* tmp = aGroupList; |
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134 CleanupDeletePushL( tmp ); |
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135 |
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136 // the list is already sorted. when a copy was made in datacacheimp, the |
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137 // InsertInOrder method was used |
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138 |
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139 // The below algorithm has complexity of (roughly): |
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140 // - aGroupList length M |
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141 // - iCurrentList final length N |
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142 // |
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143 // Final complexity: |
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144 // M*( 1 // indexed accessor |
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145 // + logN // find (ordered) |
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146 // + logN // insert in order (find+insert) |
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147 // + O(1) // delete |
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148 // + O(1) // remove |
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149 // ) + O(1) // updating iDeleted and iCurrentList |
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150 // = M(2logN+3) + 2MlogN+3M = O(cMlogM). |
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151 // |
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152 // Should be fast enough. The complexity is not fully accurate because |
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153 // array size grows as we insert into it. |
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154 // |
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155 TLinearOrder<CPresentityGroupInfoImp> |
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156 linearOrder( CPresentityGroupInfoImp::GroupIdLinearOrder ); |
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157 |
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158 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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159 { |
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160 // compare against current list |
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161 CPresentityGroupInfoImp* info = (*tmp)[ i ]; |
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162 TInt pos = iCurrentList->FindInOrder( info, linearOrder ); |
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163 |
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164 if ( pos == KErrNotFound ) |
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165 { |
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166 // not found in current list |
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167 // so must be a fresh created list name |
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168 iCreated->InsertInOrderL( info, linearOrder ); |
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169 } |
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170 else |
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171 { |
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172 // found in current list, so it must be an updated list name |
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173 iUpdated->InsertInOrderL( info, linearOrder ); |
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174 |
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175 delete (*iCurrentList)[ pos ]; |
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176 iCurrentList->Remove( pos ); |
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177 |
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178 // we must remove the found ones from iCurrentList, |
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179 // otherwise we will not know what was left. and finding out |
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180 // the deleted items will be difficult. |
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181 } |
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182 } |
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183 |
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184 // what's left in iCurrentList contains the deleted ones. |
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185 delete iDeleted; |
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186 iDeleted = iCurrentList; |
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187 |
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188 // the given list becomes the new list |
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189 iCurrentList = tmp; |
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190 CleanupStack::Pop( tmp ); |
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191 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // CGroupListSubscriptionItem::SetCreatedListL |
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196 // --------------------------------------------------------------------------- |
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197 // |
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198 EXPORT_C void CGroupListSubscriptionItem::SetCreatedListL( |
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199 RPrGrpInfoImpArray* aGroupList ) |
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200 { |
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201 TRACE_1( _L("CGroupListSubscriptionItem::SetCreatedListL() aGroupList Count=%d"), aGroupList->Count() ); |
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202 // we took ownership to the given list |
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203 RPrGrpInfoImpArray* tmp = aGroupList; |
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204 CleanupDeletePushL( tmp ); |
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205 |
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206 // see also SetNewListL. |
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207 |
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208 // the list is already sorted. when a copy was made in datacacheimp, the |
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209 // InsertInOrder method was used |
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210 TLinearOrder<CPresentityGroupInfoImp> |
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211 linearOrder( CPresentityGroupInfoImp::GroupIdLinearOrder ); |
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212 |
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213 // update the list of created and updated groups |
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214 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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215 { |
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216 // compare against current list |
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217 CPresentityGroupInfoImp* info = (*tmp)[ i ]; |
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218 TInt pos = iCurrentList->FindInOrder( info, linearOrder ); |
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219 |
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220 if ( pos == KErrNotFound ) |
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221 { |
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222 // not found in current list |
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223 // so must be a fresh created list name. |
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224 // this cannot come when the HandleDisplayNameUpdatedListL method |
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225 // is called. |
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226 iCurrentList->InsertInOrderL( info, linearOrder ); |
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227 ( *tmp )[ i ] = NULL; |
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228 iCreated->InsertInOrderL( info, linearOrder ); |
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229 } |
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230 else |
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231 { |
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232 // This can be checked if really had changed if needed. Now |
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233 // we trust server that changes are reasonable. |
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234 |
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235 // change the display name of the updated group in the current list |
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236 (*iCurrentList)[ pos ]->SetGroupDisplayNameL( info->GroupDisplayName() ); |
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237 |
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238 // found in current list, so it must be an updated list name |
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239 iUpdated->InsertInOrderL( (*iCurrentList)[ pos ], linearOrder ); |
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240 } |
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241 } |
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242 |
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243 // current list may get updated display name to the existing elements, |
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244 // otherwise the list is unchanged. list of deleted groups stays empty. |
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245 // updated and created lists were updated. the input parameter list can be |
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246 // deleted |
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247 CleanupStack::PopAndDestroy( tmp ); |
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248 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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249 } |
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250 |
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251 // --------------------------------------------------------------------------- |
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252 // CGroupListSubscriptionItem::SetDeletedListL |
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253 // --------------------------------------------------------------------------- |
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254 // |
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255 EXPORT_C void CGroupListSubscriptionItem::SetDeletedListL( |
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256 RPrGrpInfoImpArray* aGroupList ) |
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257 { |
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258 TRACE_1( _L("CGroupListSubscriptionItem::SetDeletedListL() aGroupList Count=%d"), aGroupList->Count() ); |
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259 // we will eventually take ownership to this |
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260 RPrGrpInfoImpArray* tmp = aGroupList; |
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261 CleanupDeletePushL( tmp ); |
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262 |
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263 // see also SetNewListL. |
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264 |
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265 // the list is already sorted. when a copy was made in datacacheimp, the |
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266 // InsertInOrder method was used |
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267 TLinearOrder<CPresentityGroupInfoImp> |
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268 linearOrder( CPresentityGroupInfoImp::GroupIdLinearOrder ); |
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269 |
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270 // remove the deleted ones from the current list |
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271 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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272 { |
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273 // compare against current list |
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274 CPresentityGroupInfoImp* info = (*tmp)[ i ]; |
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275 TInt pos = iCurrentList->FindInOrder( info, linearOrder ); |
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276 |
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277 // found in current list, so it must be a deleted list name |
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278 if ( pos != KErrNotFound ) |
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279 { |
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280 // remove from current list |
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281 delete (*iCurrentList)[ pos ]; |
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282 iCurrentList->Remove( pos ); |
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283 } |
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284 } |
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285 |
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286 // the given list becomes the new list of |
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287 // deleted ones |
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288 delete iDeleted; |
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289 iDeleted = tmp; |
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290 CleanupStack::Pop( tmp ); |
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291 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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292 } |
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293 |
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294 // --------------------------------------------------------------------------- |
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295 // CGroupListSubscriptionItem::Clean |
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296 // --------------------------------------------------------------------------- |
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297 // |
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298 EXPORT_C void CGroupListSubscriptionItem::Clean() |
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299 { |
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300 TRACE( _L("CGroupListSubscriptionItem::Clean()") ); |
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301 // empty the lists. |
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302 // the lists must stay valid for use |
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303 |
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304 // iCreated and iUpdated are collection from currentlist. Do not delete items. |
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305 // iDeleted is only place for items. Delete those. |
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306 |
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307 iCreated->Reset(); |
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308 iUpdated->Reset(); |
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309 iDeleted->Close(); |
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310 } |
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311 |
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312 // --------------------------------------------------------------------------- |
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313 // CGroupListSubscriptionItem::CleanExpired() |
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314 // --------------------------------------------------------------------------- |
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315 // |
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316 void CGroupListSubscriptionItem::CleanExpired() |
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317 { |
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318 |
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319 } |
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320 // End of file |