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1 /* |
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2 * Copyright (c) 2007 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: |
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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 "sipsnapavailabilitymonitor.h" |
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20 #include <sipsystemstateobserver.h> |
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21 |
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22 // ----------------------------------------------------------------------------- |
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23 // CSipSnapAvailabilityMonitor::NewL |
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24 // ----------------------------------------------------------------------------- |
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25 // |
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26 CSipSnapAvailabilityMonitor* CSipSnapAvailabilityMonitor::NewL( |
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27 TUint32 aSnapId, |
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28 TBool aPermissionToUseNetwork, |
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29 MSipSystemStateObserver& aObserver ) |
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30 { |
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31 CSipSnapAvailabilityMonitor* self = |
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32 CSipSnapAvailabilityMonitor::NewLC( |
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33 aSnapId, aPermissionToUseNetwork, aObserver ); |
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34 CleanupStack::Pop( self ); |
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35 return self; |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CSipSnapAvailabilityMonitor::NewL |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CSipSnapAvailabilityMonitor* CSipSnapAvailabilityMonitor::NewLC( |
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43 TUint32 aSnapId, |
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44 TBool aPermissionToUseNetwork, |
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45 MSipSystemStateObserver& aObserver ) |
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46 { |
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47 CSipSnapAvailabilityMonitor* self = |
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48 new( ELeave ) CSipSnapAvailabilityMonitor( |
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49 aSnapId, aPermissionToUseNetwork ); |
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50 CleanupStack::PushL( self ); |
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51 self->ConstructL( aObserver ); |
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52 return self; |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CSipSnapAvailabilityMonitor::CSipSnapAvailabilityMonitor |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 CSipSnapAvailabilityMonitor::CSipSnapAvailabilityMonitor( |
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60 TUint32 aSnapId, |
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61 TBool aPermissionToUseNetwork ) |
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62 : CActive( EPriorityStandard ), |
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63 iSnapId( aSnapId ), |
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64 iPermissionToUseNetwork( aPermissionToUseNetwork ), |
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65 iIsConnected( EFalse ) |
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66 { |
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67 CActiveScheduler::Add( this ); |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CSipSnapAvailabilityMonitor::ConstructL |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 void CSipSnapAvailabilityMonitor::ConstructL( |
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75 MSipSystemStateObserver& aObserver ) |
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76 { |
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77 iObservers.AppendL( &aObserver ); |
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78 |
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79 User::LeaveIfError( iConnMon.ConnectL() ); |
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80 iIsConnected = ETrue; |
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81 User::LeaveIfError( iConnMon.NotifyEventL( *this ) ); |
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82 iConnMon.GetPckgAttribute( EBearerIdAll, 0, KSNAPsAvailability, |
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83 iSnapInfoBuf, iStatus ); |
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84 SetActive(); |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // CSipSnapAvailabilityMonitor::~CSipSnapAvailabilityMonitor |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 CSipSnapAvailabilityMonitor::~CSipSnapAvailabilityMonitor() |
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92 { |
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93 CActive::Cancel(); |
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94 |
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95 // Cancel notify events here and not in DoCancel, since they are not related |
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96 // to CSipSnapAvailabilityMonitor being active. |
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97 if ( iIsConnected ) |
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98 { |
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99 iConnMon.CancelNotifications(); |
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100 } |
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101 |
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102 iConnMon.Close(); |
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103 iObservers.Close(); |
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104 } |
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105 |
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106 // ----------------------------------------------------------------------------- |
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107 // CSipSnapAvailabilityMonitor::RunL |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CSipSnapAvailabilityMonitor::RunL() |
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111 { |
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112 if ( iStatus == KErrNone ) |
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113 { |
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114 iSnapAvailable = IsSnapAvailable( iSnapInfoBuf(), iSnapId ); |
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115 NotifyObservers(); |
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116 } |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CSipSnapAvailabilityMonitor::DoCancel |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 void CSipSnapAvailabilityMonitor::DoCancel() |
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124 { |
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125 // Cancel the asynchronous GetPckgAttribute request |
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126 iConnMon.CancelAsyncRequest( EConnMonGetPckgAttribute ); |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CSipSnapAvailabilityMonitor::EventL |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void CSipSnapAvailabilityMonitor::EventL( |
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134 const CConnMonEventBase& aConnMonEvent ) |
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135 { |
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136 // We're interested only on SNAP availability notifications |
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137 if( aConnMonEvent.EventType() == EConnMonSNAPsAvailabilityChange ) |
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138 { |
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139 // Typecast event to appropriate event type |
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140 const CConnMonSNAPsAvailabilityChange& event = |
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141 static_cast< const CConnMonSNAPsAvailabilityChange& >( |
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142 aConnMonEvent ); |
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143 |
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144 TBool snapAvailable = |
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145 IsSnapAvailable( event.SNAPAvailability(), iSnapId ); |
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146 |
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147 if ( SetCurrentState( iPermissionToUseNetwork, snapAvailable ) ) |
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148 { |
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149 NotifyObservers(); |
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150 } |
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151 } |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CSipSnapAvailabilityMonitor::SnapId |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 TUint32 CSipSnapAvailabilityMonitor::SnapId() const |
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159 { |
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160 return iSnapId; |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // CSipSnapAvailabilityMonitor::SnapAvailability |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 CSipSystemStateMonitor::TSnapAvailability |
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168 CSipSnapAvailabilityMonitor::SnapAvailability() const |
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169 { |
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170 CSipSystemStateMonitor::TSnapAvailability snapAvailability = |
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171 CSipSystemStateMonitor::ESnapNotAvailable; |
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172 |
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173 if ( iSnapAvailable ) |
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174 { |
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175 snapAvailability = CSipSystemStateMonitor::ESnapAvailable; |
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176 } |
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177 |
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178 return snapAvailability; |
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179 } |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // CSipSnapAvailabilityMonitor::AddObserverL |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 void CSipSnapAvailabilityMonitor::AddObserverL( |
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186 MSipSystemStateObserver& aObserver ) |
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187 { |
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188 iObservers.InsertInAddressOrderL( &aObserver ); |
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189 } |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CSipSnapAvailabilityMonitor::RemoveObserver |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 void CSipSnapAvailabilityMonitor::RemoveObserver( |
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196 MSipSystemStateObserver& aObserver ) |
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197 { |
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198 TInt index = iObservers.Find( &aObserver ); |
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199 if ( index >= 0 ) |
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200 { |
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201 iObservers.Remove( index ); |
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202 } |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CSipSnapAvailabilityMonitor::HasObservers |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 TBool CSipSnapAvailabilityMonitor::HasObservers() const |
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210 { |
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211 return ( iObservers.Count() > 0 ); |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CSipSnapAvailabilityMonitor::UsagePermissionChanged |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 void CSipSnapAvailabilityMonitor::UsagePermissionChanged( |
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219 TBool aPermissionToUse, |
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220 TInt /*aError*/ ) |
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221 { |
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222 if ( SetCurrentState( aPermissionToUse, iSnapAvailable ) ) |
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223 { |
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224 NotifyObservers(); |
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225 } |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CSipSnapAvailabilityMonitor::NotifyObservers |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 void CSipSnapAvailabilityMonitor::NotifyObservers() const |
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233 { |
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234 CSipSystemStateMonitor::TSnapAvailability snapAvailability = |
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235 CSipSystemStateMonitor::ESnapNotAvailable; |
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236 |
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237 if ( CanSnapBeUsed() ) |
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238 { |
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239 snapAvailability = CSipSystemStateMonitor::ESnapAvailable; |
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240 } |
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241 |
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242 for ( TInt i = iObservers.Count()-1; i >= 0; i-- ) |
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243 { |
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244 iObservers[i]->SystemVariableUpdated( |
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245 CSipSystemStateMonitor::ESnapAvailability, |
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246 iSnapId, |
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247 snapAvailability ); |
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248 } |
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249 } |
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250 |
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251 // ----------------------------------------------------------------------------- |
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252 // CSipSnapAvailabilityMonitor::IsSnapAvailable |
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253 // ----------------------------------------------------------------------------- |
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254 // |
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255 TBool CSipSnapAvailabilityMonitor::IsSnapAvailable( |
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256 const TConnMonSNAPInfo& aSnapInfo, |
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257 TUint32 aSnapId ) const |
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258 { |
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259 for ( TUint32 i = 0; i < aSnapInfo.iCount; i++ ) |
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260 { |
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261 if ( aSnapInfo.iSNAP[ i ].iSNAPId == aSnapId ) |
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262 { |
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263 return ETrue; |
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264 } |
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265 } |
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266 return EFalse; |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CSipSnapAvailabilityMonitor::SetCurrentState |
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271 // ----------------------------------------------------------------------------- |
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272 // |
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273 TBool CSipSnapAvailabilityMonitor::SetCurrentState( |
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274 TBool aPermissionToUseNetwork, |
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275 TBool aSnapAvailable ) |
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276 { |
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277 TBool updated( EFalse ); |
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278 if ( aPermissionToUseNetwork != iPermissionToUseNetwork ) |
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279 { |
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280 iPermissionToUseNetwork = aPermissionToUseNetwork; |
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281 updated = ETrue; |
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282 } |
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283 if ( aSnapAvailable != iSnapAvailable ) |
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284 { |
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285 iSnapAvailable = aSnapAvailable; |
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286 updated = ETrue; |
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287 } |
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288 return updated; |
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289 } |
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290 |
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291 // ----------------------------------------------------------------------------- |
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292 // CSipSnapAvailabilityMonitor::CanSnapBeUsed |
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293 // ----------------------------------------------------------------------------- |
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294 // |
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295 TBool CSipSnapAvailabilityMonitor::CanSnapBeUsed() const |
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296 { |
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297 return ( iSnapAvailable && iPermissionToUseNetwork ); |
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298 } |
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299 |
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300 // End of File |