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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 member 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 "groupcontentsubscriptionitem.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 "presentitygroupcontenteventimp.h" |
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28 #include "presencetypehelpers.h" |
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29 #include "ximpobjecthelpers.h" |
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30 #include "presentitygroupmemberinfoimp.h" |
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31 #include "ximpidentityimp.h" |
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32 #include "groupcontenteventobserver.h" |
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33 |
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34 #include "ximptrace.h" |
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35 // --------------------------------------------------------------------------- |
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36 // CGroupContentSubscriptionItem::CGroupContentSubscriptionItem() |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CGroupContentSubscriptionItem::CGroupContentSubscriptionItem( MXIMPItemParentBase& aParent ) |
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40 : CXIMPSubscriptionItemBase( aParent ) |
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41 { |
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42 } |
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43 |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // CGroupContentSubscriptionItem::ConstructL() |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 void CGroupContentSubscriptionItem::ConstructL( const CXIMPIdentityImp& aGroupId ) |
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50 { |
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51 BaseConstructL(); |
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52 |
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53 iGroupId = TXIMPObjectCloner< CXIMPIdentityImp >::CloneL( aGroupId ); |
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54 |
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55 // empty lists must always exist |
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56 iCurrentMembers = new ( ELeave) RPrGrpMemInfoImpArray; |
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57 |
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58 iAdded = new ( ELeave ) RPrGrpMemInfoImpArray; |
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59 iUpdated = new ( ELeave ) RPrGrpMemInfoImpArray; |
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60 iRemoved = new ( ELeave ) RPrGrpMemInfoImpArray; |
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61 } |
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62 |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 // CGroupContentSubscriptionItem::NewLC() |
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66 // --------------------------------------------------------------------------- |
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67 // |
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68 CGroupContentSubscriptionItem* |
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69 CGroupContentSubscriptionItem::NewLC( MXIMPItemParentBase& aParent, |
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70 const CXIMPIdentityImp& aGroupId ) |
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71 { |
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72 CGroupContentSubscriptionItem* self = |
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73 new( ELeave ) CGroupContentSubscriptionItem( aParent ); |
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74 CleanupClosePushL( *self ); |
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75 self->ConstructL( aGroupId ); |
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76 return self; |
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77 } |
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78 |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // CGroupContentSubscriptionItem::~CGroupContentSubscriptionItem() |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 CGroupContentSubscriptionItem::~CGroupContentSubscriptionItem() |
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85 { |
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86 MXIMPItemParent* presCache = static_cast<MXIMPItemParent*>(iParent.GetInterface(PRESENCE_ITEM_PARENT)); |
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87 presCache->RemoveMe( this ); |
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88 |
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89 |
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90 if ( iCurrentMembers ) |
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91 { |
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92 iCurrentMembers->Close(); |
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93 } |
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94 delete iCurrentMembers; |
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95 |
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96 Clean(); |
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97 delete iAdded; |
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98 delete iUpdated; |
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99 delete iRemoved; |
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100 |
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101 delete iGroupId; |
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102 |
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103 iEventObservers.Close(); |
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104 } |
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105 |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // CGroupContentSubscriptionItem::AddOrRenewSubscriberL() |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 EXPORT_C void CGroupContentSubscriptionItem::AddOrRenewSubscriberL( |
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112 MXIMPPscContext* aContext ) |
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113 { |
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114 TInt index = iContexts.Find( aContext ); |
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115 if( index == KErrNotFound ) |
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116 { |
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117 iContexts.AppendL( aContext ); |
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118 User::LeaveIfError( Open() ); |
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119 } |
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120 } |
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121 |
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122 // --------------------------------------------------------------------------- |
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123 // CGroupContentSubscriptionItem::GroupId() |
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124 // --------------------------------------------------------------------------- |
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125 // |
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126 EXPORT_C const CXIMPIdentityImp& CGroupContentSubscriptionItem::GroupId() const |
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127 { |
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128 return *iGroupId; |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // CGroupContentSubscriptionItem::Order() |
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133 // --------------------------------------------------------------------------- |
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134 // |
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135 EXPORT_C TInt CGroupContentSubscriptionItem::Order( |
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136 const CGroupContentSubscriptionItem& aA, |
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137 const CGroupContentSubscriptionItem& aB ) |
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138 { |
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139 return IdentityOrder( aA.iGroupId, aB ); |
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140 } |
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141 // --------------------------------------------------------------------------- |
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142 // CPresentityPresenceSubscriptionItem::Order() |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 EXPORT_C TInt CGroupContentSubscriptionItem::IdentityOrder( |
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146 const CXIMPIdentityImp* aA, |
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147 const CGroupContentSubscriptionItem& aB ) |
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148 { |
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149 return aA->Compare( *aB.iGroupId ); |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // From MXIMPSubscriptionItem class. |
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154 // CGroupContentSubscriptionItem::SynthesiseSubscriptionEventTo() |
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155 // --------------------------------------------------------------------------- |
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156 // |
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157 void CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToL( |
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158 MXIMPPscContext* aContext, TBool aForceEvent ) |
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159 { |
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160 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventTo() aForce=%d"), aForceEvent ); |
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161 CXIMPDataSubscriptionStateImp* status = StatusLC( aContext ); |
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162 |
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163 if( status->DataState() == MXIMPDataSubscriptionState::EDataAvailable || aForceEvent ) |
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164 { |
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165 CPresentityGroupContentEventImp* newEvent = |
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166 CPresentityGroupContentEventImp::NewL( *iGroupId, |
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167 iAdded, |
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168 iUpdated, |
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169 iRemoved, |
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170 aForceEvent ? iCurrentMembers : NULL, |
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171 status |
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172 ); |
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173 CleanupStack::Pop(); //status |
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174 CleanupStack::PushL( newEvent ); |
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175 MXIMPItemParent* presCache = static_cast<MXIMPItemParent*>(iParent.GetInterface(PRESENCE_ITEM_PARENT)); |
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176 presCache->AddEventL( *newEvent, aContext ); |
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177 } |
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178 CleanupStack::PopAndDestroy(); // status || newEvent. Depending on branch. |
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179 } |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() |
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183 // --------------------------------------------------------------------------- |
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184 // |
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185 void CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() |
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186 { |
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187 |
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188 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() iEventObservers.Count()=%d"), iEventObservers.Count() ); |
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189 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() iAdded->Count()=%d"), iAdded->Count() ); |
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190 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() iUpdated->Count()=%d"), iUpdated->Count() ); |
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191 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() iRemoved->Count()=%d"), iRemoved->Count() ); |
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192 |
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193 TInt count = iEventObservers.Count(); |
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194 if( count && iAdded->Count() ) |
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195 { |
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196 for( TInt a = 0; a < count; ++a ) |
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197 { |
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198 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() observer = iEventObservers[ a ] =%d"), a ); |
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199 MGroupContentEventObserver* observer = iEventObservers[ a ]; |
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200 TInt error ( KErrNone ); |
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201 TRAP( error, observer->HandleSynthesiseL( *iAdded );); |
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202 TRACE_1( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL() TRAPD( error, observer->HandleSynthesiseL =%d"), error ); |
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203 } |
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204 } |
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205 |
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206 TRACE( _L("CGroupContentSubscriptionItem::SynthesiseSubscriptionEventToAllCtxsL - Call to CXIMPSubscriptionItemBase::SynthesiseSubscriptionEventToAllCtxsL Now ") ); |
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207 CXIMPSubscriptionItemBase::SynthesiseSubscriptionEventToAllCtxsL(); |
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208 } |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // CGroupContentSubscriptionItem::SetNewListL() |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 EXPORT_C void CGroupContentSubscriptionItem::SetNewListL( |
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215 RPrGrpMemInfoImpArray* aMemberList ) |
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216 { |
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217 TRACE_1( _L("CGroupContentSubscriptionItem::SetNewListL() aMemberList Count=%d"), aMemberList->Count() ); |
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218 // we will eventually take ownership to this |
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219 RPrGrpMemInfoImpArray* tmp = aMemberList; |
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220 CleanupStack::PushL( tmp ); |
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221 |
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222 // the list is already sorted. when a copy was made in datacacheimp, the |
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223 // InsertInOrder method was used |
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224 |
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225 // The below algorithm has complexity of (roughly): |
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226 // - aMemberList length M |
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227 // - iCurrentMembers final length N |
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228 // |
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229 // Final complexity: |
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230 // M*( 1 // indexed accessor |
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231 // + logN // find (ordered) |
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232 // + logN // insert in order (find+insert) |
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233 // + O(1) // delete |
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234 // + O(1) // remove |
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235 // ) + O(1) // updating iRemoved and iCurrentMembers |
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236 // = M(2logN+3) + 2MlogN+3M = O(cMlogM). |
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237 // |
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238 // Should be fast enough. The complexity is not fully accurate because |
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239 // array size grows as we insert into it. |
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240 // |
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241 TLinearOrder<CPresentityGroupMemberInfoImp> |
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242 linearOrder( CPresentityGroupMemberInfoImp::GroupIdLinearOrder ); |
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243 |
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244 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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245 { |
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246 // compare against current list |
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247 CPresentityGroupMemberInfoImp* info = (*tmp)[ i ]; |
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248 TInt pos = iCurrentMembers->FindInOrder( info, linearOrder ); |
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249 |
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250 if ( pos == KErrNotFound ) |
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251 { |
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252 // not found in current list |
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253 // so must be a fresh created list name |
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254 iAdded->InsertInOrderL( info, linearOrder ); |
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255 } |
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256 else |
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257 { |
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258 // found in current list, so it must be an updated list name |
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259 iUpdated->InsertInOrderL( info, linearOrder ); |
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260 |
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261 delete (*iCurrentMembers)[ pos ]; |
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262 iCurrentMembers->Remove( pos ); |
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263 |
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264 // we must remove the found ones from iCurrentMembers, |
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265 // otherwise we will not know what was left. and finding out |
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266 // the removed items will be difficult. |
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267 } |
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268 } |
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269 |
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270 // what's left in iCurrentMembers contains the deleted ones. |
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271 delete iRemoved; |
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272 iRemoved = iCurrentMembers; |
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273 |
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274 // the given list becomes the new list |
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275 iCurrentMembers = tmp; |
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276 CleanupStack::Pop( tmp ); |
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277 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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278 InformObserversL(); |
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279 } |
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280 |
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281 |
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282 // --------------------------------------------------------------------------- |
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283 // CGroupContentSubscriptionItem::SetAddedListL() |
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284 // --------------------------------------------------------------------------- |
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285 // |
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286 EXPORT_C void CGroupContentSubscriptionItem::SetAddedListL( |
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287 RPrGrpMemInfoImpArray* aMemberList ) |
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288 { |
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289 TRACE_1( _L("CGroupContentSubscriptionItem::SetAddedListL() aMemberList Count=%d"), aMemberList->Count() ); |
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290 // we took ownership to the given list |
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291 RPrGrpMemInfoImpArray* tmp = aMemberList; |
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292 CleanupDeletePushL( tmp ); |
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293 |
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294 // see also SetNewListL. |
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295 |
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296 // the list is already sorted. when a copy was made in datacacheimp, the |
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297 // InsertInOrder method was used |
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298 TLinearOrder<CPresentityGroupMemberInfoImp> |
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299 linearOrder( CPresentityGroupMemberInfoImp::GroupIdLinearOrder ); |
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300 |
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301 // update the list of created and updated groups |
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302 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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303 { |
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304 // compare against current list |
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305 CPresentityGroupMemberInfoImp* info = (*tmp)[ i ]; |
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306 TInt pos = iCurrentMembers->FindInOrder( info, linearOrder ); |
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307 |
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308 if ( pos == KErrNotFound ) |
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309 { |
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310 // not found in current list |
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311 // so must be a fresh created list name. |
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312 // this cannot come when the HandleDisplayNameUpdatedListL method |
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313 // is called. |
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314 iCurrentMembers->InsertInOrderL( info, linearOrder ); |
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315 ( *tmp )[ i ] = NULL; |
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316 iAdded->InsertInOrderL( info, linearOrder ); |
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317 } |
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318 else |
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319 { |
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320 // This can be checked if really had changed if needed. Now |
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321 // we trust server that changes are reasonable. |
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322 |
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323 // change the display name of the updated group in the current list |
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324 (*iCurrentMembers)[ pos ]->SetGroupMemberDisplayNameL( info->GroupMemberDisplayName() ); |
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325 |
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326 // found in current list, so it must be an updated list name |
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327 iUpdated->InsertInOrderL( (*iCurrentMembers)[ pos ], linearOrder ); |
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328 } |
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329 } |
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330 |
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331 // current list may get updated display name to the existing elements, |
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332 // otherwise the list is unchanged. list of deleted groups stays empty. |
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333 // updated and created lists were updated. the input parameter list can be |
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334 // deleted |
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335 CleanupStack::PopAndDestroy( tmp ); |
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336 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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337 |
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338 InformObserversL(); |
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339 } |
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340 |
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341 // --------------------------------------------------------------------------- |
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342 // CGroupContentSubscriptionItem::SetRemovedListL() |
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343 // --------------------------------------------------------------------------- |
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344 // |
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345 EXPORT_C void CGroupContentSubscriptionItem::SetRemovedListL( |
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346 RPrGrpMemInfoImpArray* aMemberList ) |
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347 { |
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348 TRACE_1( _L("CGroupContentSubscriptionItem::SetRemovedListL() aMemberList Count=%d"), aMemberList->Count() ); |
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349 // we will eventually take ownership to this |
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350 RPrGrpMemInfoImpArray* tmp = aMemberList; |
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351 CleanupStack::PushL( tmp ); |
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352 |
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353 // see also SetNewListL. |
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354 |
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355 // the list is already sorted. when a copy was made in datacacheimp, the |
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356 // InsertInOrder method was used |
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357 TLinearOrder<CPresentityGroupMemberInfoImp> |
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358 linearOrder( CPresentityGroupMemberInfoImp::GroupIdLinearOrder ); |
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359 |
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360 // remove the deleted ones from the current list |
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361 for ( TInt i = 0; i < tmp->Count(); i++ ) |
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362 { |
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363 // compare against current list |
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364 CPresentityGroupMemberInfoImp* info = (*tmp)[ i ]; |
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365 TInt pos = iCurrentMembers->FindInOrder( info, linearOrder ); |
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366 |
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367 // found in current list, so it must be a deleted list name |
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368 if ( pos != KErrNotFound ) |
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369 { |
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370 // remove from current list |
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371 delete (*iCurrentMembers)[ pos ]; |
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372 iCurrentMembers->Remove( pos ); |
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373 } |
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374 } |
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375 |
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376 // the given list becomes the new list of |
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377 // removed ones |
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378 delete iRemoved; |
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379 iRemoved = tmp; |
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380 CleanupStack::Pop( tmp ); |
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381 iSubscriptionState->SetDataStateL( MXIMPDataSubscriptionState::EDataAvailable ); |
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382 InformObserversL(); |
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383 } |
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384 |
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385 // --------------------------------------------------------------------------- |
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386 // CGroupContentSubscriptionItem::Clean() |
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387 // --------------------------------------------------------------------------- |
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388 // |
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389 EXPORT_C void CGroupContentSubscriptionItem::Clean() |
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390 { |
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391 TRACE( _L("CGroupContentSubscriptionItem::Clean") ); |
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392 // empty the lists. |
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393 // the lists must stay valid for use |
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394 |
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395 // iAdded and iUpdated are collection from currentlist. Do not delete items. |
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396 // iRemoved is only place for items. Delete those. |
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397 |
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398 iAdded->Reset(); |
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399 iUpdated->Reset(); |
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400 iRemoved->Close(); |
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401 } |
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402 |
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403 |
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404 // --------------------------------------------------------------------------- |
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405 // CGroupContentSubscriptionItem::GroupMemberExistsL() |
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406 // --------------------------------------------------------------------------- |
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407 // |
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408 EXPORT_C TBool CGroupContentSubscriptionItem::GroupMemberExistsL( |
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409 CPresentityGroupMemberInfoImp& aMemberInfo ) const |
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410 { |
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411 TBool found( EFalse ); |
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412 |
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413 CPresentityGroupMemberInfoImp* memberInfo = |
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414 TXIMPObjectCloner< CPresentityGroupMemberInfoImp >::CloneL( aMemberInfo ); |
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415 CleanupStack::PushL( memberInfo ); |
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416 |
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417 |
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418 TLinearOrder<CPresentityGroupMemberInfoImp> |
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419 linearOrder( CPresentityGroupMemberInfoImp::GroupIdLinearOrder ); |
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420 TInt pos = iCurrentMembers->FindInOrder( memberInfo, linearOrder ); |
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421 if ( pos != KErrNotFound ) |
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422 { |
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423 found = ETrue; |
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424 } |
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425 |
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426 CleanupStack::PopAndDestroy( memberInfo ); |
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427 TRACE_1( _L("CGroupContentSubscriptionItem::GroupMemberExistsL() returns=%d"), found ); |
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428 return found; |
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429 } |
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430 |
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431 // --------------------------------------------------------------------------- |
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432 // CGroupContentSubscriptionItem::IsGroupMemberUpdatedL() |
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433 // --------------------------------------------------------------------------- |
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434 // |
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435 EXPORT_C TBool CGroupContentSubscriptionItem::IsGroupMemberUpdatedL( |
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436 CPresentityGroupMemberInfoImp& aMemberInfo ) const |
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437 { |
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438 TBool updated( EFalse ); |
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439 |
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440 if ( !GroupMemberExistsL( aMemberInfo ) ) |
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441 { |
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442 return updated; |
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443 } |
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444 |
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445 CPresentityGroupMemberInfoImp* memberInfo = |
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446 TXIMPObjectCloner< CPresentityGroupMemberInfoImp >::CloneL( aMemberInfo ); |
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447 CleanupStack::PushL( memberInfo ); |
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448 |
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449 |
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450 TLinearOrder<CPresentityGroupMemberInfoImp> |
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451 linearOrder( CPresentityGroupMemberInfoImp::GroupIdLinearOrder ); |
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452 TInt pos = iCurrentMembers->FindInOrder( memberInfo, linearOrder ); |
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453 // it exists, otherwise we would've returned after GroupMemberExistsL call |
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454 |
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455 CPresentityGroupMemberInfoImp* foundMember = (*iCurrentMembers)[ pos ]; |
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456 // Compare identity and displayname |
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457 if ( memberInfo->GroupMemberId().Identity().Compare( |
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458 foundMember->GroupMemberId().Identity() ) != 0 |
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459 || |
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460 memberInfo->GroupMemberDisplayName().Compare( |
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461 foundMember->GroupMemberDisplayName() ) != 0 ) |
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462 { |
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463 updated = ETrue; |
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464 } |
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465 |
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466 CleanupStack::PopAndDestroy( memberInfo ); |
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467 TRACE_1( _L("CGroupContentSubscriptionItem::IsGroupMemberUpdatedL() returns=%d"), updated ); |
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468 return updated; |
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469 } |
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470 |
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471 // --------------------------------------------------------------------------- |
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472 // CGroupContentSubscriptionItem::MemberCount() |
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473 // --------------------------------------------------------------------------- |
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474 // |
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475 TInt CGroupContentSubscriptionItem::MemberCount() const |
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476 { |
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477 TRACE_1( _L("CGroupContentSubscriptionItem::MemberCount() returns=%d"), iCurrentMembers->Count() ); |
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478 return iCurrentMembers->Count(); |
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479 } |
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480 |
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481 // --------------------------------------------------------------------------- |
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482 // CGroupContentSubscriptionItem::MemberAt() |
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483 // --------------------------------------------------------------------------- |
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484 // |
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485 CPresentityGroupMemberInfoImp& CGroupContentSubscriptionItem::MemberAt( TInt aIndex ) |
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486 { |
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487 return *( *iCurrentMembers )[ aIndex ]; |
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488 } |
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489 |
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490 // --------------------------------------------------------------------------- |
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491 // CGroupContentSubscriptionItem::RegisterEventObserverL() |
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492 // --------------------------------------------------------------------------- |
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493 // |
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494 void CGroupContentSubscriptionItem::RegisterEventObserverL( |
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495 MGroupContentEventObserver* aEventObserver ) |
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496 { |
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497 TInt indexOfObserver = iEventObservers.Find( aEventObserver ); |
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498 if( indexOfObserver == KErrNotFound ) |
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499 { |
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500 iEventObservers.AppendL( aEventObserver ); |
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501 User::LeaveIfError( Open() ); |
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502 } |
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503 } |
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504 |
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505 // --------------------------------------------------------------------------- |
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506 // CGroupContentSubscriptionItem::UnregisterEventObserver() |
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507 // --------------------------------------------------------------------------- |
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508 // |
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509 void CGroupContentSubscriptionItem::UnregisterEventObserver( |
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510 MGroupContentEventObserver* aEventObserver ) |
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511 { |
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512 TInt indexOfObserver = iEventObservers.Find( aEventObserver ); |
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513 if( indexOfObserver != KErrNotFound ) |
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514 { |
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515 iEventObservers.Remove( indexOfObserver ); |
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516 Close(); |
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517 } |
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518 } |
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519 |
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520 // --------------------------------------------------------------------------- |
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521 // CGroupContentSubscriptionItem::CleanExpired() |
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522 // --------------------------------------------------------------------------- |
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523 // |
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524 void CGroupContentSubscriptionItem::CleanExpired() |
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525 { |
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526 } |
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527 |
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528 // --------------------------------------------------------------------------- |
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529 // CGroupContentSubscriptionItem::InformObserversL() |
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530 // --------------------------------------------------------------------------- |
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531 // |
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532 void CGroupContentSubscriptionItem::InformObserversL() |
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533 { |
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534 TInt count = iEventObservers.Count(); |
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535 if( count && ( iAdded->Count() || iRemoved->Count() ) ) |
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536 { |
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537 for( TInt a = 0; a < count; ++a ) |
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538 { |
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539 MGroupContentEventObserver* observer = iEventObservers[ a ]; |
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540 observer->HandleChangeL( *iAdded, *iRemoved ); |
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541 } |
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542 } |
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543 } |
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544 |
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545 // End of file |