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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: Event notifier implementation base |
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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 <E32std.h> |
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20 #include <mimpsconnuipresenceeventobserverng.h> |
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21 #include <CPEngNWSessionSlotID2.h> |
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22 #include "CIMPSConnUiPresEventNotifierImpBase.h" |
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23 #include "CnUiEventMapper.h" |
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24 #include "CnUiPanics.h" |
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25 #include "IMPSCommonUiDebugPrint.h" |
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26 |
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27 // ================= MEMBER FUNCTIONS ======================= |
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28 // Destructor |
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29 CIMPSConnUiPresEventNotifierImpBase::~CIMPSConnUiPresEventNotifierImpBase() |
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30 { |
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31 iObserverArray.Close(); |
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32 delete iSessionSlotID; |
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33 } |
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34 |
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35 |
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36 // C++ default constructor can NOT contain any code, that |
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37 // might leave. |
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38 // |
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39 CIMPSConnUiPresEventNotifierImpBase::CIMPSConnUiPresEventNotifierImpBase( |
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40 CIMPSConnUiPresEventNotifier& aInterface ) |
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41 : iInterface( aInterface ), |
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42 iStarted( EFalse ), |
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43 iDying( EFalse ) |
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44 { |
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45 } |
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46 |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CIMPSConnUiPresEventNotifierImpBase::StartL() |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 void CIMPSConnUiPresEventNotifierImpBase::StartL() |
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53 { |
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54 //make here sanity checks to encapsulate |
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55 //real notifiers behaviour |
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56 if ( iDying ) |
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57 { |
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58 //if dying, the notifier restart is silently ignored |
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59 //notifier is evidently going down anyway |
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60 return; |
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61 } |
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62 |
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63 if ( iStarted ) |
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64 { |
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65 User::Leave( KErrInUse ); |
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66 } |
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67 |
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68 if ( iObserverArray.Count() == 0 ) |
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69 { |
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70 User::Leave( KErrNotReady ); |
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71 } |
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72 |
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73 RArray< TPEngNWSessionSlotEvent > pecEvents; |
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74 CleanupClosePushL( pecEvents ); |
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75 CnUiEventMapper::AddAllKnownPecEventsL( pecEvents ); |
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76 TRAPD( err, DoStartL( pecEvents.Array() ) ); |
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77 if ( err != KErrNone ) |
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78 { |
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79 DoStop(); |
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80 User::Leave( err ); |
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81 } |
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82 |
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83 CleanupStack::PopAndDestroy(); //pecEvents |
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84 iStarted = ETrue; |
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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 // CIMPSConnUiPresEventNotifierImpBase::Stop() |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CIMPSConnUiPresEventNotifierImpBase::Stop() |
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93 { |
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94 StopAndNotifyObserversFromError( KErrCancel ); |
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95 } |
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96 |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // CIMPSConnUiPresEventNotifierImpBase::Dying() |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CIMPSConnUiPresEventNotifierImpBase::Dying() |
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103 { |
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104 iDying = ETrue; |
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105 if ( iStarted ) |
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106 { |
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107 iStarted = EFalse; |
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108 DoStop(); |
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109 } |
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110 } |
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111 |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CIMPSConnUiPresEventNotifierImpBase::AddObserverL() |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 void CIMPSConnUiPresEventNotifierImpBase::AddObserverL( |
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118 MIMPSConnUiPresenceEventObserver* aObserver ) |
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119 { |
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120 __ASSERT_ALWAYS( aObserver, |
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121 CnUiPanicOrLeaveL( EIMPSConn_NULLPtr, |
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122 KErrArgument ) ); |
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123 |
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124 iObserverArray.AddObserverL( aObserver ); |
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125 } |
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126 |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CIMPSConnUiPresEventNotifierImpBase::RemoveObserver() |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 TInt CIMPSConnUiPresEventNotifierImpBase::RemoveObserver( |
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133 MIMPSConnUiPresenceEventObserver* aObserver ) |
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134 { |
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135 return iObserverArray.RemoveObserver( aObserver ); |
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136 } |
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137 |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // CIMPSConnUiPresEventNotifierImpBase::NotifyObserversFromEvent() |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 void CIMPSConnUiPresEventNotifierImpBase::NotifyObserversFromEvent( |
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144 const CPEngNWSessionSlotID2& aSessionSlotID, |
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145 TIMPSConnectionClient aClient, |
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146 TIMPSPresenceServiceEvent aEvent ) |
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147 { |
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148 //if not running, don't notify the clients |
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149 if ( !iStarted ) |
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150 { |
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151 return; |
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152 } |
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153 |
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154 CPEngNWSessionSlotID2* tempSlot = NULL; |
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155 if ( &aSessionSlotID ) |
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156 { |
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157 TRAPD( err, tempSlot = aSessionSlotID.CloneL() ); |
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158 if ( err ) |
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159 { |
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160 return; |
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161 } |
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162 delete iSessionSlotID; |
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163 iSessionSlotID = tempSlot; |
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164 iClient = aClient; |
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165 } |
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166 |
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167 IMPSCUI_DP( D_IMPSCUI_LIT( "CIMPSConnUiPresEventNotifierImpBase::NotifyObserversFromEvent() [%d]" ), aEvent ); |
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168 iObserverArray.NotifyObservers( *this, aEvent ); |
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169 } |
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170 |
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171 |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CIMPSConnUiPresEventNotifierImpBase::StopAndNotifyObserversFromError() |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 void CIMPSConnUiPresEventNotifierImpBase::StopAndNotifyObserversFromError( TInt aError ) |
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178 { |
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179 //if not running, don't notify the clients |
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180 if ( !iStarted ) |
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181 { |
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182 return; |
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183 } |
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184 |
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185 //Error propagating from the underlying implementation |
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186 //causes the notifier to stop. However, flag & actual |
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187 //stopping must be done before notifying the clients |
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188 //since some client may wan't to restart this notifier |
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189 //in the notification callback... |
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190 |
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191 //Also the state must be set to "not started" before |
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192 //actual stopping since the stopping of some event |
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193 //sources cause further KErrCancel events |
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194 //(==>those will be filtered on !started check on above.) |
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195 iStarted = EFalse; |
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196 DoStop(); |
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197 |
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198 //do the notify |
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199 IMPSCUI_DP( D_IMPSCUI_LIT( "CIMPSConnUiPresEventNotifierImpBase::StopAndNotifyObserversFromError() [%d]" ), aError ); |
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200 iObserverArray.NotifyObserversFromError( *this, aError ); |
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201 } |
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202 |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // CIMPSConnUiPresEventNotifierImpBase::MediateNotifyL() |
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206 // From MGenObserverNotifyMediator |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 void CIMPSConnUiPresEventNotifierImpBase::MediateNotifyL( |
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210 MIMPSConnUiPresenceEventObserver& aObserverToNotify, |
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211 TIMPSPresenceServiceEvent& aNotifyData ) |
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212 |
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213 { |
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214 aObserverToNotify.HandlePresenceEventL( &iInterface, *iSessionSlotID, iClient, aNotifyData ); |
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215 } |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CIMPSConnUiPresEventNotifierImpBase::MediateNotifyError() |
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219 // From MGenObserverNotifyMediator |
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220 // Forwards any error propagated from MediateNotifyL() to |
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221 // observer handle error. |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 void CIMPSConnUiPresEventNotifierImpBase::MediateNotifyError( |
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225 MIMPSConnUiPresenceEventObserver& aObserverToNotify, |
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226 TInt aLeaveError ) |
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227 { |
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228 aObserverToNotify.HandlePresenceEventNotifyError( &iInterface, aLeaveError ); |
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229 } |
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230 |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // CIMPSConnUiPresEventNotifierImpBase::MediateError() |
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234 // From MGenObserverNotifyMediator |
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235 // Forwards error to observer. |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 void CIMPSConnUiPresEventNotifierImpBase::MediateError( |
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239 MIMPSConnUiPresenceEventObserver& aObserverToNotify, |
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240 TInt aError ) |
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241 { |
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242 aObserverToNotify.HandlePresenceEventNotifyError( &iInterface, aError ); |
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243 } |
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244 |
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245 // End of File |
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246 |