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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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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 "hwrmfmtxaccobserver.h" |
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20 #include "trace.h" |
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21 |
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22 // ============================ LOCAL FUNCTIONS =============================== |
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23 // ----------------------------------------------------------------------------- |
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24 // AccessoryConnected() |
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25 // ----------------------------------------------------------------------------- |
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26 // |
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27 static TBool AccessoryConnected( TAccMode aAccMode ) |
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28 { |
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29 return aAccMode != EAccModeHandPortable; |
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30 } |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 // ----------------------------------------------------------------------------- |
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34 // CHWRMFmtxAccObserver::NewL() |
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35 // Two-phased constructor. |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 CHWRMFmtxAccObserver* CHWRMFmtxAccObserver::NewL( MHWRMFmtxConnObserverCallback& aCallback ) |
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39 { |
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40 FUNC_LOG; |
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41 |
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42 CHWRMFmtxAccObserver* self = new( ELeave ) CHWRMFmtxAccObserver( aCallback ); |
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43 CleanupStack::PushL( self ); |
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44 self->ConstructL(); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CHWRMFmtxAccObserver::~CHWRMFmtxAccObserver() |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CHWRMFmtxAccObserver::~CHWRMFmtxAccObserver() |
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54 { |
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55 FUNC_LOG; |
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56 |
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57 Cancel(); |
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58 iAccessoryMode.CloseSubSession(); |
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59 iServer.Close(); |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CHWRMFmtxAccObserver::StartObservingL |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 TBool CHWRMFmtxAccObserver::GetStatusL() |
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67 { |
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68 FUNC_LOG; |
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69 |
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70 TAccPolAccessoryMode accMode; |
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71 TInt err( iAccessoryMode.GetAccessoryMode( accMode ) ); |
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72 |
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73 LOG_IF_ERROR1( err, "CHWRMFmtxAccObserver::GetStatusL: err=%d", err ); |
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74 |
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75 User::LeaveIfError( err ); |
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76 |
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77 return AccessoryConnected( accMode.iAccessoryMode ); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CHWRMFmtxAccObserver::StartObservingL |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 void CHWRMFmtxAccObserver::StartObservingL() |
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85 { |
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86 FUNC_LOG; |
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87 |
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88 if( IsActive() ) |
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89 { |
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90 ERROR_LOG( "CHWRMFmtxAccObserver::StartObservingL: already active" ); |
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91 } |
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92 else |
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93 { |
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94 OrderAccessoryNotification(); |
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95 |
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96 iConnected = GetStatusL(); // only connection change will be notified |
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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 // CHWRMFmtxAccObserver::StopObserving |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CHWRMFmtxAccObserver::StopObserving() |
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105 { |
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106 FUNC_LOG; |
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107 |
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108 Cancel(); |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // CHWRMFmtxAccObserver::CHWRMFmtxAccObserver() |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 CHWRMFmtxAccObserver::CHWRMFmtxAccObserver( MHWRMFmtxConnObserverCallback& aCallback ) : |
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116 CActive( EPriorityStandard ), |
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117 iCallback( aCallback ) |
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118 { |
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119 FUNC_LOG; |
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120 |
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121 CActiveScheduler::Add( this ); |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CHWRMFmtxAccObserver::ConstructL |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CHWRMFmtxAccObserver::ConstructL() |
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129 { |
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130 FUNC_LOG; |
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131 |
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132 // Connect to accessory server |
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133 TInt err = iServer.Connect(); |
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134 |
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135 LOG_IF_ERROR1( err, "CHWRMFmtxAccObserver::ConstructL: Connect err=%d", err ); |
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136 |
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137 if ( err == KErrAlreadyExists ) |
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138 { |
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139 err = KErrNone; |
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140 } |
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141 |
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142 User::LeaveIfError( err ); |
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143 |
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144 err = iAccessoryMode.CreateSubSession( iServer ); |
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145 |
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146 LOG_IF_ERROR1( err, "CHWRMFmtxAccObserver::ConstructL: CreateSubSession err", err ); |
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147 |
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148 User::LeaveIfError( err ); |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CHWRMFmtxAccObserver::OrderAccessoryNotification() |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CHWRMFmtxAccObserver::OrderAccessoryNotification() |
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156 { |
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157 FUNC_LOG; |
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158 |
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159 iAccessoryMode.NotifyAccessoryModeChanged( iStatus, iAccMode ); |
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160 SetActive(); |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // CHWRMFmtxAccObserver::RunL() |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 void CHWRMFmtxAccObserver::RunL() |
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168 { |
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169 FUNC_LOG; |
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170 |
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171 TInt status( iStatus.Int() ); |
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172 |
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173 LOG_IF_ERROR1( status, "CHWRMFmtxAccObserver::RunL: error, status=%d", status ); |
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174 |
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175 TBool connected( AccessoryConnected( iAccMode.iAccessoryMode ) ); |
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176 |
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177 // prevent looping due to immediate completion |
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178 if ( status != KErrCancel && status != KErrServerTerminated ) |
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179 { |
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180 OrderAccessoryNotification(); |
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181 } |
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182 |
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183 if ( status == KErrNone ) |
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184 { |
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185 INFO_LOG2( "CHWRMFmtxAccObserver::RunL: connected=%d, iConnected=%d", connected, iConnected ); |
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186 |
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187 if ( connected != iConnected ) |
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188 { |
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189 iCallback.HandleConnectionChange( EFmtxWatcherObserverAccessory, connected ); |
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190 iConnected = connected; // store the status to be used on next completion |
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191 } |
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192 } |
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193 } |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // CHWRMFmtxAccObserver::DoCancel |
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197 // --------------------------------------------------------------------------- |
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198 // |
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199 void CHWRMFmtxAccObserver::DoCancel() |
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200 { |
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201 FUNC_LOG; |
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202 |
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203 iAccessoryMode.CancelNotifyAccessoryModeChanged(); |
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204 } |
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205 |
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206 // End of File |