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1 /* |
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2 * Copyright (c) 2004 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: NWSessionSlot notifier API implementation |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include "CPEngNWSessionSlotID2Imp.h" |
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20 #include "CPEngNWSessionSlotNotifier2Imp.h" |
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21 #include "CPEngNWSessionSlotEventEntry.h" |
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22 #include "GenObserverNotifyMediators.h" |
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23 |
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24 #include "PEngStorageManager.h" |
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25 #include "MPEngStorageManagerWatcher.h" |
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26 #include "CPEngSessionSlotEvent.h" |
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27 #include "CPEngSessionSlotState.h" |
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28 #include "PresenceDebugPrint.h" |
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29 |
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30 |
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31 |
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32 |
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33 #include <CPEngNWSessionSlotID2.h> |
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34 #include <CPEngNWSessionSlotNotifier2.h> |
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35 #include <CPEngNWSessionSlotEvent2.h> |
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36 #include <MPEngNWSessionSlotObserver2.h> |
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37 |
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38 |
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39 |
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40 // ============================ MEMBER FUNCTIONS =============================== |
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41 |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CPEngNWSessionSlotNotifier2Imp::NewL() |
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45 // Two-phased constructor. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CPEngNWSessionSlotNotifier2Imp* CPEngNWSessionSlotNotifier2Imp::NewL( |
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49 CPEngNWSessionSlotNotifier2& aInterface, |
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50 TInt aPriority ) |
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51 { |
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52 CPEngNWSessionSlotNotifier2Imp* self = |
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53 new ( ELeave ) CPEngNWSessionSlotNotifier2Imp( aInterface, aPriority ); |
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54 CleanupStack::PushL( self ); |
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55 self->ConstructL(); |
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56 CleanupStack::Pop( self ); |
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57 return self; |
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58 } |
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59 |
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60 |
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61 |
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62 // Destructor |
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63 CPEngNWSessionSlotNotifier2Imp::~CPEngNWSessionSlotNotifier2Imp() |
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64 { |
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65 iDying = ETrue; |
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66 Stop(); |
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67 |
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68 DeleteFilters(); |
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69 iObsArray.Close(); |
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70 delete iEventEntry; |
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71 } |
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72 |
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73 |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CPEngNWSessionSlotNotifier2Imp::CPEngNWSessionSlotNotifier2Imp |
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77 // C++ default constructor can NOT contain any code, that |
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78 // might leave. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CPEngNWSessionSlotNotifier2Imp::CPEngNWSessionSlotNotifier2Imp( CPEngNWSessionSlotNotifier2& aInterface, |
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82 TInt aPriority ) |
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83 : iInterface( aInterface ), |
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84 iCActivePriority( aPriority ) |
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85 { |
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86 } |
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87 |
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88 |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CPEngNWSessionSlotNotifier2Imp::ConstructL() |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 void CPEngNWSessionSlotNotifier2Imp::ConstructL() |
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95 { |
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96 iEventEntry = CPEngNWSessionSlotEvent2Copy::NewL(); |
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97 } |
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98 |
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99 |
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100 |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CPEngNWSessionSlotNotifier2Imp::StartL() |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CPEngNWSessionSlotNotifier2Imp::StartL( |
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107 const CPEngNWSessionSlotID2Imp* aSlotIdFilter, |
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108 const TArray<TPEngNWSessionSlotEvent>* aEventFilter ) |
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109 { |
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110 //Pre checks |
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111 if ( iStarted ) |
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112 { |
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113 User::Leave( KErrInUse ); |
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114 } |
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115 |
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116 |
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117 //Clear possibly existing filters |
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118 DeleteFilters(); |
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119 |
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120 //And initialize new ones |
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121 if ( aSlotIdFilter ) |
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122 { |
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123 iSlotIdFilter = aSlotIdFilter->CloneL(); |
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124 } |
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125 |
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126 if ( aEventFilter ) |
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127 { |
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128 const TInt eventsCount = aEventFilter->Count(); |
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129 if ( eventsCount == 0 ) |
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130 { |
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131 User::Leave( KErrArgument ); |
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132 } |
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133 |
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134 iEventFilter = new ( ELeave ) RArray<TPEngNWSessionSlotEvent>; |
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135 for ( TInt ii = 0; ii < eventsCount; ii++ ) |
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136 { |
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137 iEventFilter->InsertInSignedKeyOrderL( ( *aEventFilter )[ ii ] ); |
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138 } |
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139 } |
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140 |
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141 //Register for events |
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142 PEngStorageManager::RegisterGlobalEventObserverL( *this ); |
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143 iStarted = ETrue; |
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144 } |
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145 |
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146 |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // CPEngNWSessionSlotNotifier2Imp::Stop() |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 void CPEngNWSessionSlotNotifier2Imp::Stop() |
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153 { |
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154 if ( !iStarted ) |
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155 { |
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156 return; |
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157 } |
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158 |
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159 PEngStorageManager::UnregisterGlobalObserver( *this ); |
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160 iStarted = EFalse; |
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161 |
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162 DeleteFilters(); |
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163 } |
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164 |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CPEngNWSessionSlotNotifier2Imp::IsActive() |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 TBool CPEngNWSessionSlotNotifier2Imp::IsActive() const |
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171 { |
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172 return iStarted; |
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173 } |
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174 |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CPEngNWSessionSlotNotifier2Imp::PushNWSessionSlotStateToObservers() |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 TInt CPEngNWSessionSlotNotifier2Imp::PushNWSessionSlotStateToObservers( |
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181 const CPEngNWSessionSlotID2& aMatchPattern ) |
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182 |
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183 { |
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184 if ( iSynchNotifyRunning || iObsArray.NotifyLoopRunning() ) |
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185 { |
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186 return KErrInUse; |
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187 } |
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188 |
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189 iSynchNotifyRunning = ETrue; |
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190 TRAPD( err, DoNotifyNWSessionSlotStatesL( *aMatchPattern.Implementation() ) ); |
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191 iSynchNotifyRunning = EFalse; |
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192 |
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193 return err; |
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194 } |
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195 |
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196 |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // CPEngNWSessionSlotNotifier2Imp::GetNWSessionSlotState() |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 TInt CPEngNWSessionSlotNotifier2Imp::GetNWSessionSlotState( |
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203 const CPEngNWSessionSlotID2& aNWSessionSlotID, |
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204 TPEngNWSessionSlotState& aState ) const |
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205 { |
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206 TRAPD( err, |
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207 { |
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208 CPEngSessionSlotState* state = CPEngSessionSlotState::NewLC(); |
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209 PEngStorageManager::SessionSlotStateL( aNWSessionSlotID.Implementation()->BasePart(), |
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210 *state ); |
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211 |
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212 aState = state->AppState( aNWSessionSlotID.AppId() ); |
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213 CleanupStack::PopAndDestroy( state ); |
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214 } ); |
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215 |
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216 |
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217 return err; |
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218 } |
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219 |
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220 |
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221 // ----------------------------------------------------------------------------- |
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222 // CPEngNWSessionSlotNotifier2Imp::AddObserver() |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 TInt CPEngNWSessionSlotNotifier2Imp::AddObserver( |
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226 MPEngNWSessionSlotObserver2& aObserver ) |
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227 |
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228 { |
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229 //Observer array takes care from possible NULL pointers |
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230 return iObsArray.AddObserver( &aObserver ); |
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231 } |
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232 |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // CPEngNWSessionSlotNotifier2Imp::RemoveObserver() |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 TInt CPEngNWSessionSlotNotifier2Imp::RemoveObserver( |
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239 MPEngNWSessionSlotObserver2& aObserver ) |
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240 |
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241 { |
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242 return iObsArray.RemoveObserver( &aObserver ); |
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243 } |
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244 |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CPEngNWSessionSlotNotifier2Imp::HandleNewSessionSlotEventL() |
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248 // From MPEngGlobalEventObserver |
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249 // ----------------------------------------------------------------------------- |
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250 // |
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251 void CPEngNWSessionSlotNotifier2Imp::HandleNewSessionSlotEventL( |
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252 const CPEngSessionSlotEvent& aSessionEvent ) |
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253 { |
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254 if ( iDying ) |
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255 { |
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256 return; |
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257 } |
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258 |
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259 iEventEntry->Implementation()->SetFullEventReferenceL( aSessionEvent ); |
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260 TBool eventAccepted = IsEventAccepted( iEventEntry->NWSessionSlotID(), |
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261 iEventEntry->Event() ); |
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262 |
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263 if ( eventAccepted ) |
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264 { |
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265 MediateNotify( KErrNone, *iEventEntry ); |
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266 } |
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267 |
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268 iEventEntry->Implementation()->ResetReferences(); |
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269 } |
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270 |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // CPEngNWSessionSlotNotifier2Imp::HandleObserverError() |
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274 // From MPEngGlobalEventObserver |
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275 // ----------------------------------------------------------------------------- |
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276 // |
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277 void CPEngNWSessionSlotNotifier2Imp::HandleObserverError( TInt aError ) |
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278 { |
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279 if ( iDying ) |
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280 { |
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281 return; |
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282 } |
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283 |
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284 iEventEntry->Implementation()->ResetReferences(); |
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285 MediateNotify( aError, *iEventEntry ); |
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286 } |
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287 |
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288 |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CPEngNWSessionSlotNotifier2Imp::DoNotifyNWSessionSlotStatesL() |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 void CPEngNWSessionSlotNotifier2Imp::DoNotifyNWSessionSlotStatesL( |
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295 const CPEngNWSessionSlotID2Imp& aSlotIdMatcher ) |
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296 { |
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297 //this might be called during the event notify loop |
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298 //==> use here temp objects so the original data isn't messed up |
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299 |
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300 RObjectArray< CPEngSessionSlotState > ssStates; |
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301 CleanupClosePushL( ssStates ); |
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302 |
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303 CPEngNWSessionSlotEvent2Copy* eventEntry = CPEngNWSessionSlotEvent2Copy::NewL(); |
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304 CleanupStack::PushL( eventEntry ); |
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305 |
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306 //Get list of existing slot states |
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307 PEngStorageManager::AllSessionSlotsStatesL( ssStates ); |
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308 |
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309 TInt matchCount = 0; |
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310 |
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311 //Generate client side events from requested NWSessionSlots |
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312 const TInt ssStatesCount = ssStates.Count(); |
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313 for ( TInt ii = 0; ii < ssStatesCount; ii++ ) |
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314 { |
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315 const CPEngSessionSlotState& ssState = *ssStates[ ii ]; |
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316 CPEngSessionSlotId& ssBaseId = ssState.SessionSlotId(); |
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317 |
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318 TBool baseMatch = ( aSlotIdMatcher.MatchBasePart( ssBaseId ) == KErrNone ); |
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319 if ( baseMatch ) |
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320 { |
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321 const MDesC16Array& ssApplications = ssState.RegisteredApplications(); |
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322 const TInt appCount = ssApplications.MdcaCount(); |
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323 for ( TInt jj = 0; jj < appCount; jj++ ) |
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324 { |
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325 TPtrC appId = ssApplications.MdcaPoint( jj ); |
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326 TBool appMatch = ( aSlotIdMatcher.MatchAppIdPart( appId ) == KErrNone ); |
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327 if ( appMatch ) |
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328 { |
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329 matchCount++; |
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330 eventEntry->Implementation()->SetPseudoEventReferenceL( |
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331 ssBaseId, |
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332 appId, |
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333 ssState.AppState( appId ), |
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334 ssState.SessionSlotState() ); |
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335 MediateNotify( KErrNone, *eventEntry ); |
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336 eventEntry->Implementation()->ResetReferences(); |
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337 } |
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338 } |
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339 } |
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340 } |
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341 |
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342 if ( matchCount == 0 ) |
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343 { |
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344 User::Leave( KErrNotFound ); |
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345 } |
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346 |
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347 CleanupStack::PopAndDestroy( 2 ); //ssStates, eventEntry |
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348 } |
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349 |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CPEngNWSessionSlotNotifier2Imp::DeleteFilters() |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 void CPEngNWSessionSlotNotifier2Imp::DeleteFilters() |
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356 { |
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357 delete iSlotIdFilter; |
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358 iSlotIdFilter = NULL; |
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359 |
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360 if ( iEventFilter ) |
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361 { |
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362 iEventFilter->Reset(); |
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363 } |
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364 |
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365 delete iEventFilter; |
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366 iEventFilter = NULL; |
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367 } |
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368 |
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369 |
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370 // ----------------------------------------------------------------------------- |
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371 // CPEngNWSessionSlotNotifier2Imp::IsEventAccepted() |
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372 // ----------------------------------------------------------------------------- |
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373 // |
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374 TBool CPEngNWSessionSlotNotifier2Imp::IsEventAccepted( |
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375 const CPEngNWSessionSlotID2& aNWSessionSlotID, |
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376 TPEngNWSessionSlotEvent aEvent ) const |
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377 { |
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378 TBool accepted = ETrue; |
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379 |
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380 if ( iSlotIdFilter ) |
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381 { |
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382 if ( iSlotIdFilter->MatchFullId( *aNWSessionSlotID.Implementation() ) == KErrNotFound ) |
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383 { |
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384 accepted = EFalse; |
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385 } |
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386 } |
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387 |
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388 |
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389 if ( iEventFilter && accepted ) |
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390 { |
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391 if ( iEventFilter->Find( aEvent ) == KErrNotFound ) |
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392 { |
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393 accepted = EFalse; |
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394 } |
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395 } |
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396 |
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397 |
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398 return accepted; |
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399 } |
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400 |
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401 |
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402 // ----------------------------------------------------------------------------- |
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403 // CPEngNWSessionSlotNotifier2Imp::MediateNotify() |
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404 // ----------------------------------------------------------------------------- |
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405 // |
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406 void CPEngNWSessionSlotNotifier2Imp::MediateNotify( TInt aError, |
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407 CPEngNWSessionSlotEvent2& aEvent ) |
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408 { |
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409 TGenNotifyMediator2 < MPEngNWSessionSlotObserver2, |
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410 CPEngNWSessionSlotNotifier2&, |
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411 CPEngNWSessionSlotEvent2& > |
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412 eventMediator( &MPEngNWSessionSlotObserver2::HandleNWSessionSlotChangeL, |
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413 &MPEngNWSessionSlotObserver2::HandleNWSessionSlotError, |
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414 iInterface, |
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415 aEvent ); |
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416 |
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417 if ( aError == KErrNone ) |
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418 { |
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419 PENG_DP( D_PENG_LIT( "CPEngNWSessionSlotNotifier2 - Handle event: %d" ), |
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420 aEvent.Event() ); |
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421 |
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422 iObsArray.NotifyObservers( eventMediator ); |
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423 } |
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424 else |
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425 { |
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426 PENG_DP( D_PENG_LIT( "CPEngNWSessionSlotNotifier2 - Handle event error: %d" ), |
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427 aError ); |
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428 |
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429 iObsArray.NotifyErrorObservers( eventMediator, aError ); |
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430 } |
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431 } |
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432 |
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433 |
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434 |
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435 |
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436 // End of File |
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437 |
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438 |