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1 /* |
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2 * Copyright (c) 2009-2010 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: Pairing result receiver in Bluetooth engine subsystem |
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15 * |
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16 */ |
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17 |
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18 #include "btengpairman.h" |
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19 #include "btengserver.h" |
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20 #include "btengsrvsession.h" |
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21 #include "btengotgpair.h" |
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22 #include "btengincpair.h" |
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23 #include "btengclientserver.h" |
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24 #include "debug.h" |
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25 #include <e32property.h> |
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26 |
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27 /** Identification for active object */ |
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28 enum TPairManActiveRequestId |
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29 { |
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30 ESimplePairingResult, |
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31 EAuthenticationResult, |
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32 ERegistryInitiatePairedDevicesView, |
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33 ERegistryPairedDevicesNewView, |
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34 ERegistryInitiatePairedDevicesList, |
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35 ERegistryGetPairedDevices, |
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36 ERegistryGetLocalAddress, |
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37 }; |
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38 |
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39 /** The message argument which holds the Bluetooth address. */ |
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40 const TInt KBTEngAddrSlot = 0; |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // Tells if two TBTNamelessDevice instances are for the same remote device |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 TBool CompareDeviceByAddress( const TBTNamelessDevice& aDevA, const TBTNamelessDevice& aDevB ) |
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47 { |
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48 return aDevA.Address() == aDevB.Address(); |
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49 } |
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50 |
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51 // ======== MEMBER FUNCTIONS ======== |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // C++ default constructor |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CBTEngPairMan::CBTEngPairMan( CBTEngServer& aServer ) |
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58 : iServer( aServer ) |
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59 { |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // Symbian 2nd-phase constructor |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 void CBTEngPairMan::ConstructL() |
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67 { |
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68 TRACE_FUNC_ENTRY |
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69 // Connect to pairing server for authentication & simple pairing |
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70 // results directly from the BT stack. |
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71 // Pairing server doesn't exist if we run BT 2.0 stack: |
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72 iPairingServ = new (ELeave) RBluetoothPairingServer; |
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73 TInt err = iPairingServ->Connect(); |
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74 if ( err) |
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75 { |
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76 delete iPairingServ; |
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77 iPairingServ = NULL; |
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78 } |
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79 else |
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80 { |
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81 User::LeaveIfError( iPairingResult.Open( *iPairingServ ) ); |
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82 User::LeaveIfError( iAuthenResult.Open( *iPairingServ ) ); |
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83 iSSPResultActive = CBTEngActive::NewL( *this, ESimplePairingResult, CActive::EPriorityStandard ); |
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84 iAuthenResultActive = CBTEngActive::NewL( *this, EAuthenticationResult, CActive::EPriorityStandard ); |
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85 } |
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86 |
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87 // RProperty for accessing the local device address |
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88 User::LeaveIfError( iPropertyLocalAddr.Attach(KPropertyUidBluetoothCategory, KPropertyKeyBluetoothGetLocalDeviceAddress) ); |
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89 |
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90 // connect to registry |
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91 User::LeaveIfError( iBTRegistry.Open( BTRegServ() ) ); |
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92 iRegistryActive = CBTEngActive::NewL( *this, ERegistryInitiatePairedDevicesView, CActive::EPriorityStandard ); |
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93 iPairedDevices = new (ELeave) RArray<TBTNamelessDevice>; |
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94 |
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95 // Initialise paired devices list |
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96 iLocalAddrActive = CBTEngActive::NewL( *this, ERegistryGetLocalAddress, CActive::EPriorityStandard ); |
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97 InitPairedDevicesList(); |
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98 |
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99 TRACE_FUNC_EXIT |
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100 } |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // NewL |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 CBTEngPairMan* CBTEngPairMan::NewL( CBTEngServer& aServer ) |
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107 { |
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108 CBTEngPairMan* self = NULL; |
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109 self = new CBTEngPairMan( aServer ); |
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110 CleanupStack::PushL( self ); |
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111 self->ConstructL(); |
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112 CleanupStack::Pop( self ); |
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113 return self; |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Destructor |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CBTEngPairMan::~CBTEngPairMan() |
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121 { |
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122 TRACE_FUNC_ENTRY |
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123 CancelSubscribe(); |
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124 delete iSSPResultActive; |
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125 delete iAuthenResultActive; |
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126 delete iRegistryActive; |
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127 delete iPairedDevicesResp; |
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128 delete iPairer; |
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129 if ( iPairedDevices ) |
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130 { |
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131 iPairedDevices->Close(); |
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132 delete iPairedDevices; |
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133 } |
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134 iBTRegistry.Close(); |
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135 iPairingResult.Close(); |
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136 iAuthenResult.Close(); |
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137 if ( iPairingServ ) |
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138 { |
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139 iPairingServ->Close(); |
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140 delete iPairingServ; |
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141 } |
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142 if ( !iMessage.IsNull() ) |
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143 { |
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144 iMessage.Complete( KErrCancel ); |
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145 } |
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146 iPropertyLocalAddr.Cancel(); |
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147 iPropertyLocalAddr.Close(); |
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148 delete iLocalAddrActive; |
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149 TRACE_FUNC_EXIT |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // Initialises the paired devices list. |
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154 // If the local address is not available from the P&S key |
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155 // KPropertyKeyBluetoothGetLocalDeviceAddress, then the list may need to be |
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156 // updated once the H/W is switched on. This is so that any registry update |
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157 // from a restore operation can be included in the list, without mistaking the |
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158 // new devices for new pairings. |
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159 // --------------------------------------------------------------------------- |
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160 // |
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161 void CBTEngPairMan::InitPairedDevicesList() |
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162 { |
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163 TRACE_FUNC_ENTRY |
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164 |
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165 // Check that we have the Bluetooth local address. If we don't then initialise anyway, but subscribe for an update. |
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166 // This allows us to refresh our paired devices list to include updates made to the remote devices table of the |
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167 // Bluetooth registry from a restore operation. We need to include these devices without mistaking them for new |
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168 // pairings. We look solely at the P&S key for the address to avoid the condition whereby the address has been |
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169 // entered into the reigstry but the Bluetooth Manager server has not begun the restore process yet. The signalling |
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170 // of the P&S key will cause Bluetooth Manager to update the registry with any restored devices before fulfilling |
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171 // any further requests. |
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172 |
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173 // Subscribe to local address property in case we need an update. |
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174 iPropertyLocalAddr.Subscribe( iLocalAddrActive->iStatus ); |
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175 iLocalAddrActive->SetRequestId( ERegistryGetLocalAddress ); |
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176 iLocalAddrActive->GoActive(); |
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177 |
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178 // Attempt to read address from P&S key. |
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179 TBuf8<KBTDevAddrSize> btAddrDes; |
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180 TInt err = iPropertyLocalAddr.Get( btAddrDes ); |
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181 |
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182 // Is the P&S key defined yet? (if not, stack not up yet) |
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183 if ( err == KErrNone ) |
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184 { |
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185 // P&S key defined, is local address set? (if not, H/W not initialised yet) |
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186 if ( btAddrDes.Length() == KBTDevAddrSize ) |
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187 { |
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188 TBTDevAddr btAddr = btAddrDes; |
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189 |
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190 if ( btAddr != TBTDevAddr() ) |
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191 { |
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192 // Non-zero local address is available. |
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193 iPropertyLocalAddr.Cancel(); |
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194 iLocalAddrActive->CancelRequest(); |
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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 // Perform initialisation of the paired devices list. |
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200 DoInitPairedDevicesList(); |
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201 |
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202 TRACE_FUNC_EXIT |
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203 } |
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204 |
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205 // --------------------------------------------------------------------------- |
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206 // Initialises the paired devices list (second stage) |
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207 // This method performs the actual initialisation, now that the local BT H/W |
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208 // address had been made available. |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 void CBTEngPairMan::DoInitPairedDevicesList() |
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212 { |
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213 TRACE_FUNC_ENTRY |
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214 |
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215 if ( !iRegistryActive->IsActive() ) |
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216 { |
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217 // Start to get the list of all paired devices. |
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218 CreatePairedDevicesView( ERegistryInitiatePairedDevicesView ); |
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219 } |
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220 else |
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221 { |
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222 iNotHandledInitEventCounter++; |
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223 } |
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224 |
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225 TRACE_FUNC_EXIT |
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226 } |
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227 |
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228 // --------------------------------------------------------------------------- |
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229 // Handles pairing related commands from BTEng clients. |
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230 // --------------------------------------------------------------------------- |
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231 // |
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232 void CBTEngPairMan::ProcessCommandL( const RMessage2& aMessage ) |
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233 { |
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234 TRACE_FUNC_ENTRY |
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235 TInt opcode = aMessage.Function(); |
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236 TBTDevAddrPckgBuf addrPkg; |
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237 switch( opcode ) |
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238 { |
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239 case EBTEngSetPairingObserver: |
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240 { |
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241 aMessage.ReadL( KBTEngAddrSlot, addrPkg ); |
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242 SetPairObserver( addrPkg(), aMessage.Int1() ); |
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243 break; |
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244 } |
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245 case EBTEngPairDevice: |
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246 { |
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247 if ( !iMessage.IsNull() ) |
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248 { |
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249 User::Leave( KErrServerBusy ); |
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250 } |
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251 TBTDevAddrPckgBuf addrPkg; |
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252 aMessage.ReadL( KBTEngAddrSlot, addrPkg ); |
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253 PairDeviceL( addrPkg(), aMessage.Int1() ); |
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254 iMessage = RMessage2( aMessage ); |
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255 break; |
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256 } |
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257 case EBTEngCancelPairDevice: |
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258 { |
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259 // Only the client who requested pairing can cancel it: |
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260 if ( !iMessage.IsNull() && aMessage.Session() == iMessage.Session() ) |
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261 { |
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262 iPairer->CancelOutgoingPair(); |
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263 iMessage.Complete( KErrCancel ); |
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264 } |
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265 break; |
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266 } |
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267 default: |
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268 { |
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269 TRACE_INFO( ( _L( "CBTEngPairMan ProcessCommandL: bad request (%d)" ), |
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270 aMessage.Function() ) ) |
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271 User::Leave( KErrArgument ); |
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272 } |
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273 } |
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274 TRACE_FUNC_EXIT |
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275 } |
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276 |
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277 // --------------------------------------------------------------------------- |
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278 // Handle a change in BTRegistry remote devices table. |
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279 // --------------------------------------------------------------------------- |
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280 // |
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281 void CBTEngPairMan::RemoteRegistryChangeDetected() |
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282 { |
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283 if ( !iRegistryActive->IsActive() ) |
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284 { |
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285 CreatePairedDevicesView( ERegistryPairedDevicesNewView ); |
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286 } |
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287 else |
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288 { |
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289 iNotHandledRegEventCounter++; |
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290 } |
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291 } |
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292 |
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293 // --------------------------------------------------------------------------- |
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294 // Returns the RBluetoothPairingServer instance. |
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295 // --------------------------------------------------------------------------- |
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296 // |
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297 RBluetoothPairingServer* CBTEngPairMan::PairingServer() |
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298 { |
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299 return iPairingServ; |
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300 } |
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301 |
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302 // --------------------------------------------------------------------------- |
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303 // Access the reference of RSockServ |
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304 // --------------------------------------------------------------------------- |
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305 // |
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306 RSocketServ& CBTEngPairMan::SocketServ() |
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307 { |
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308 return iServer.SocketServer(); |
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309 } |
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310 |
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311 // --------------------------------------------------------------------------- |
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312 // Access the reference of RBTRegSrv |
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313 // --------------------------------------------------------------------------- |
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314 // |
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315 RBTRegServ& CBTEngPairMan::BTRegServ() |
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316 { |
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317 return iServer.RegistrServer(); |
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318 } |
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319 |
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320 // --------------------------------------------------------------------------- |
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321 // Deletes the current pairing handler and transfer the responsibility |
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322 // to the specified. |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 void CBTEngPairMan::RenewPairer( CBTEngPairBase* aPairer ) |
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326 { |
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327 delete iPairer; |
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328 iPairer = aPairer; |
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329 } |
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330 |
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331 // --------------------------------------------------------------------------- |
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332 // Find the session who requested this and completes its request. |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 void CBTEngPairMan::OutgoingPairCompleted( TInt aErr ) |
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336 { |
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337 TRACE_FUNC_ENTRY |
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338 // the meaning of KHCIErrorBase equals KErrNone. Hide this specific BT stack |
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339 // detail from clients: |
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340 if ( aErr == KHCIErrorBase ) |
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341 { |
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342 aErr = KErrNone; |
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343 } |
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344 // we must complete client's pairing request: |
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345 if ( !iMessage.IsNull() ) |
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346 { |
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347 iMessage.Complete( aErr ); |
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348 } |
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349 TRACE_FUNC_EXIT |
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350 } |
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351 |
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352 // --------------------------------------------------------------------------- |
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353 // A session will be ended, completes the pending request for this session. |
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354 // --------------------------------------------------------------------------- |
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355 // |
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356 void CBTEngPairMan::SessionClosed( CSession2* aSession ) |
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357 { |
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358 TRACE_FUNC_ARG( ( _L( " session %x"), aSession ) ) |
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359 if ( !iMessage.IsNull() && iMessage.Session() == aSession ) |
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360 { |
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361 iMessage.Complete( KErrCancel ); |
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362 } |
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363 TRACE_FUNC_EXIT |
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364 } |
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365 |
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366 // --------------------------------------------------------------------------- |
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367 // Unpair the device from registry |
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368 // --------------------------------------------------------------------------- |
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369 // |
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370 void CBTEngPairMan::UnpairDevice( const TBTDevAddr& aAddr ) |
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371 { |
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372 TRACE_FUNC_ENTRY |
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373 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
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374 TBTNamelessDevice dev; |
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375 dev.SetAddress( aAddr ); |
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376 // only do unpairing if the we have a link key with it. |
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377 TInt index = iPairedDevices->Find( dev, addrComp ); |
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378 if ( index > KErrNotFound ) |
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379 { |
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380 dev = (*iPairedDevices)[index]; |
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381 |
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382 TRequestStatus status( KRequestPending ); |
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383 // Unpair the device in registry (synchronously) |
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384 iBTRegistry.UnpairDevice( dev.Address(), status ); |
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385 User::WaitForRequest( status ); |
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386 TRACE_INFO( ( _L( "Delete link key, res %d"), status.Int() ) ) |
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387 |
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388 if ( status == KErrNone ) |
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389 { |
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390 TBTDeviceSecurity security = dev.GlobalSecurity(); |
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391 // Clear trust setting so that correct icon will be shown in ui applications. |
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392 security.SetNoAuthenticate(EFalse ); |
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393 security.SetNoAuthorise(EFalse ); |
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394 dev.SetGlobalSecurity(security); |
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395 dev.DeleteLinkKey(); |
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396 if ( dev.IsValidUiCookie() && |
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397 ( dev.UiCookie() & EBTUiCookieJustWorksPaired ) ) |
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398 { |
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399 // Remove the UI cookie bit for Just Works pairing. |
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400 TInt32 cookie = dev.UiCookie() & ~EBTUiCookieJustWorksPaired; |
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401 dev.SetUiCookie( cookie ); |
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402 TRACE_INFO( ( _L( "UI cookie %x cleared"), EBTUiCookieJustWorksPaired ) ); |
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403 } |
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404 // modify the device in registry synchronously |
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405 // status.Int() could be -1 if the device is not in registry |
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406 // which is totally fine for us. |
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407 (void) UpdateRegDevice( dev ); |
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408 } |
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409 } |
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410 TRACE_FUNC_EXIT |
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411 } |
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412 |
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413 TInt CBTEngPairMan::AddUiCookieJustWorksPaired( const TBTNamelessDevice& aDev ) |
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414 { |
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415 TRACE_FUNC_ENTRY |
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416 TInt err( KErrNone ); |
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417 // There might be UI cookies used by other applications, |
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418 // we should not overwrite them. |
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419 TInt32 cookie = aDev.IsValidUiCookie() ? aDev.UiCookie() : EBTUiCookieUndefined; |
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420 if ( !( cookie & EBTUiCookieJustWorksPaired ) ) |
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421 { |
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422 // Only update the cookie if the wanted one is not in registry yet |
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423 // to keep minimal operations with registry. |
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424 TBTNamelessDevice dev = aDev; |
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425 cookie |= EBTUiCookieJustWorksPaired; |
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426 dev.SetUiCookie( cookie ); |
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427 err = UpdateRegDevice( dev ); |
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428 TRACE_INFO( ( _L( "[BTENG] CBTEngOtgPair write Ui cookie ret %d"), err ) ); |
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429 } |
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430 TRACE_FUNC_EXIT |
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431 return err; |
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432 } |
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433 |
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434 // --------------------------------------------------------------------------- |
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435 // update a nameless device in registry |
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436 // --------------------------------------------------------------------------- |
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437 // |
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438 TInt CBTEngPairMan::UpdateRegDevice( const TBTNamelessDevice& aDev ) |
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439 { |
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440 TRequestStatus status( KRequestPending ); |
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441 // update the device in registry synchronously |
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442 iBTRegistry.ModifyDevice( aDev, status ); |
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443 User::WaitForRequest( status ); |
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444 TRACE_INFO( ( _L( "UpdateRegDevice, ret %d"), status.Int() ) ) |
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445 return status.Int(); |
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446 } |
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447 |
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448 // --------------------------------------------------------------------------- |
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449 // Ask server class the connection status of the specified device |
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450 // --------------------------------------------------------------------------- |
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451 // |
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452 TBTEngConnectionStatus CBTEngPairMan::IsDeviceConnected( const TBTDevAddr& aAddr ) |
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453 { |
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454 return iServer.IsDeviceConnected( aAddr ); |
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455 } |
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456 |
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457 // --------------------------------------------------------------------------- |
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458 // From class MBTEngActiveObserver. |
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459 // Checks if there is an authentication result. |
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460 // --------------------------------------------------------------------------- |
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461 // |
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462 void CBTEngPairMan::RequestCompletedL( CBTEngActive* /*aActive*/, TInt aId, TInt aStatus ) |
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463 { |
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464 TRACE_FUNC_ARG( ( _L( "aId: %d, aStatus: %d"), aId, aStatus ) ) |
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465 // Check which request completed. |
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466 switch( aId ) |
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467 { |
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468 case ESimplePairingResult: |
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469 { |
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470 TBTDevAddr tmpAddr = iSimplePairingRemote; |
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471 if (aStatus != KErrServerTerminated) |
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472 { |
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473 SubscribeSspPairingResult(); |
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474 } |
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475 HandlePairingResultL( tmpAddr, aStatus ); |
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476 break; |
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477 } |
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478 case EAuthenticationResult: |
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479 { |
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480 TBTDevAddr tmpAddr = iAuthenticateRemote; |
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481 if (aStatus != KErrServerTerminated) |
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482 { |
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483 SubscribeAuthenticateResult(); |
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484 } |
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485 HandlePairingResultL( tmpAddr, aStatus ); |
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486 break; |
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487 } |
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488 case ERegistryInitiatePairedDevicesView: |
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489 case ERegistryPairedDevicesNewView: |
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490 { |
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491 HandleCreatePairedDevicesViewCompletedL( aStatus, aId ); |
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492 break; |
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493 } |
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494 case ERegistryInitiatePairedDevicesList: |
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495 { |
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496 if (iSSPResultActive && iAuthenResultActive) |
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497 { |
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498 SubscribeSspPairingResult(); |
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499 SubscribeAuthenticateResult(); |
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500 } |
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501 HandleGetPairedDevicesCompletedL( aStatus, aId ); |
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502 break; |
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503 } |
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504 case ERegistryGetPairedDevices: |
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505 { |
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506 HandleGetPairedDevicesCompletedL( aStatus, aId ); |
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507 break; |
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508 } |
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509 case ERegistryGetLocalAddress: |
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510 { |
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511 // Refresh paired devices list to include any restored devices. |
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512 DoInitPairedDevicesList(); |
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513 break; |
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514 } |
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515 default: |
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516 // Should not be possible, but no need for handling. |
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517 TRACE_INFO( (_L("[BTEng]: CBTEngPairMan::RequestCompletedL unhandled event!!") ) ) |
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518 break; |
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519 } |
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520 TRACE_FUNC_EXIT |
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521 } |
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522 |
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523 // --------------------------------------------------------------------------- |
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524 // From class MBTEngActiveObserver. |
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525 // --------------------------------------------------------------------------- |
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526 // |
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527 void CBTEngPairMan::HandleError( CBTEngActive* aActive, TInt aId, TInt aError ) |
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528 { |
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529 TRACE_FUNC_ARG( ( _L( "request id: %d, error: %d" ), aId, aError ) ) |
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530 (void) aActive; |
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531 (void) aError; |
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532 if ( aId == ERegistryInitiatePairedDevicesList || |
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533 aId == ERegistryGetPairedDevices ) |
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534 {// leave happened in registry operation, delete registry response: |
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535 delete iPairedDevicesResp; |
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536 iPairedDevicesResp = NULL; |
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537 } |
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538 } |
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539 |
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540 // --------------------------------------------------------------------------- |
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541 // Activate or deactivate a pairing handler |
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542 // --------------------------------------------------------------------------- |
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543 // |
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544 TInt CBTEngPairMan::SetPairObserver(const TBTDevAddr& aAddr, TBool aActivate) |
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545 { |
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546 TRACE_FUNC_ARG( ( _L( "%d" ), aActivate ) ) |
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547 TRACE_BDADDR( aAddr ) |
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548 iPairingOperationAttempted = ETrue; |
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549 TInt err( KErrNone ); |
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550 if ( !aActivate ) |
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551 { |
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552 if ( iPairer ) |
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553 { |
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554 iPairer->StopPairHandling( aAddr ); |
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555 } |
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556 return err; |
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557 } |
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558 |
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559 if ( !iPairer) |
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560 { |
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561 // This is an incoming pair, unpair it from registry and |
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562 // create the handler: |
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563 UnpairDevice( aAddr ); |
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564 TRAP( err, iPairer = CBTEngIncPair::NewL( *this, aAddr )); |
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565 } |
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566 if ( iPairer) |
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567 { |
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568 // let the handler decide what to do: |
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569 err = iPairer->ObserveIncomingPair( aAddr ); |
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570 } |
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571 TRACE_FUNC_EXIT |
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572 return err; |
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573 } |
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574 |
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575 // --------------------------------------------------------------------------- |
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576 // Delegates the request to current pair handler |
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577 // --------------------------------------------------------------------------- |
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578 // |
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579 void CBTEngPairMan::PairDeviceL( const TBTDevAddr& aAddr, TUint32 aCod ) |
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580 { |
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581 iPairingOperationAttempted = ETrue; |
|
582 if ( !iPairer) |
|
583 { |
|
584 // no existing pair handling, create one: |
|
585 iPairer = CBTEngOtgPair::NewL( *this, aAddr ); |
|
586 } |
|
587 // let pair handler decide what to do: |
|
588 iPairer->HandleOutgoingPairL( aAddr, aCod ); |
|
589 } |
|
590 |
|
591 // --------------------------------------------------------------------------- |
|
592 // cancel Subscribings to simple pairing result and authentication result from |
|
593 // Pairing Server |
|
594 // --------------------------------------------------------------------------- |
|
595 // |
|
596 void CBTEngPairMan::CancelSubscribe() |
|
597 { |
|
598 TRACE_FUNC_ENTRY |
|
599 if( iSSPResultActive && iSSPResultActive->IsActive() ) |
|
600 { |
|
601 // Cancel listening Simple pairing result |
|
602 iPairingResult.CancelSimplePairingResult(); |
|
603 iSSPResultActive->Cancel(); |
|
604 } |
|
605 if( iAuthenResultActive && iAuthenResultActive->IsActive() ) |
|
606 { |
|
607 // Cancel listening authentication result |
|
608 iAuthenResult.CancelAuthenticationResult(); |
|
609 iAuthenResultActive->Cancel(); |
|
610 } |
|
611 TRACE_FUNC_EXIT |
|
612 } |
|
613 |
|
614 // --------------------------------------------------------------------------- |
|
615 // Subscribes to simple pairing result from Pairing Server (if not already |
|
616 // subscribed). |
|
617 // --------------------------------------------------------------------------- |
|
618 // |
|
619 void CBTEngPairMan::SubscribeSspPairingResult() |
|
620 { |
|
621 TRACE_FUNC_ENTRY |
|
622 if ( !iSSPResultActive->IsActive() ) |
|
623 { |
|
624 iPairingResult.SimplePairingResult( iSimplePairingRemote, iSSPResultActive->RequestStatus() ); |
|
625 iSSPResultActive->GoActive(); |
|
626 } |
|
627 TRACE_FUNC_EXIT |
|
628 } |
|
629 |
|
630 // --------------------------------------------------------------------------- |
|
631 // Subscribes to authentication result from Pairing Server (if not already |
|
632 // subscribed). |
|
633 // --------------------------------------------------------------------------- |
|
634 // |
|
635 void CBTEngPairMan::SubscribeAuthenticateResult() |
|
636 { |
|
637 TRACE_FUNC_ENTRY |
|
638 if ( !iAuthenResultActive->IsActive() ) |
|
639 { |
|
640 // Subscribe authentication result (which requires pairing for unpaired devices) |
|
641 iAuthenResult.AuthenticationResult( iAuthenticateRemote, iAuthenResultActive->RequestStatus() ); |
|
642 iAuthenResultActive->GoActive(); |
|
643 } |
|
644 TRACE_FUNC_EXIT |
|
645 } |
|
646 |
|
647 // --------------------------------------------------------------------------- |
|
648 // Handle a pairing result from the pairing server. |
|
649 // --------------------------------------------------------------------------- |
|
650 // |
|
651 void CBTEngPairMan::HandlePairingResultL( const TBTDevAddr& aAddr, TInt aResult ) |
|
652 { |
|
653 TRACE_FUNC_ARG( (_L("result %d"), aResult ) ) |
|
654 TRACE_BDADDR( aAddr ); |
|
655 if ( !iPairer && ( aResult == KErrNone || aResult == KHCIErrorBase ) ) |
|
656 { |
|
657 // we only create new handler if incoming pairing succeeds. |
|
658 // Pairing failure could be caused by user local cancellation, as the |
|
659 // result, the handler was destroyed by notifier. We shall not |
|
660 // instantiate the handler again. |
|
661 // If a pairing failed due to other reasons than user local cancelling, |
|
662 // it will be catched by the already started handler |
|
663 // (except Just Works pairing - no handler for it at all until we receive |
|
664 // registry change event. Thus if incoming JWs pairing failed, no user |
|
665 // notification will be shown.) |
|
666 TBTNamelessDevice dev; |
|
667 dev.SetAddress( aAddr ); |
|
668 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
|
669 TInt index = iPairedDevices->Find( dev, addrComp ); |
|
670 |
|
671 // If the device is not found in the old paired device list, it is a new |
|
672 // paired device: |
|
673 if ( index == KErrNotFound) |
|
674 { |
|
675 // No handler yet, create incoming pairing handler: |
|
676 iPairer = CBTEngIncPair::NewL( *this, aAddr ); |
|
677 } |
|
678 } |
|
679 if ( iPairer ) |
|
680 { |
|
681 iPairer->HandlePairServerResult( aAddr, aResult ); |
|
682 } |
|
683 |
|
684 TRACE_FUNC_EXIT |
|
685 } |
|
686 |
|
687 // --------------------------------------------------------------------------- |
|
688 // issue creating a bonded devices view |
|
689 // --------------------------------------------------------------------------- |
|
690 // |
|
691 void CBTEngPairMan::CreatePairedDevicesView( TInt aReqId ) |
|
692 { |
|
693 TRACE_FUNC_ENTRY |
|
694 if ( aReqId == ERegistryInitiatePairedDevicesView ) |
|
695 { |
|
696 iNotHandledInitEventCounter = 0; |
|
697 } |
|
698 else |
|
699 { |
|
700 iNotHandledRegEventCounter = 0; |
|
701 } |
|
702 TBTRegistrySearch searchPattern; |
|
703 searchPattern.FindBonded(); |
|
704 iRegistryActive->SetRequestId( aReqId ); |
|
705 iBTRegistry.CreateView( searchPattern, iRegistryActive->iStatus ); |
|
706 iRegistryActive->GoActive(); |
|
707 TRACE_FUNC_EXIT |
|
708 } |
|
709 |
|
710 // --------------------------------------------------------------------------- |
|
711 // gets the paired devices from the view created by CreatePairedDevicesView |
|
712 // --------------------------------------------------------------------------- |
|
713 // |
|
714 void CBTEngPairMan::GetPairedDevices( TInt aReqId ) |
|
715 { |
|
716 TRACE_FUNC_ENTRY |
|
717 delete iPairedDevicesResp; |
|
718 iPairedDevicesResp = NULL; |
|
719 TRAP_IGNORE( iPairedDevicesResp = CBTRegistryResponse::NewL( iBTRegistry ) ); |
|
720 if ( iPairedDevicesResp ) |
|
721 { |
|
722 iRegistryActive->SetRequestId( aReqId ); |
|
723 iPairedDevicesResp->Start( iRegistryActive->iStatus ); |
|
724 iRegistryActive->GoActive(); |
|
725 } |
|
726 TRACE_FUNC_EXIT |
|
727 } |
|
728 |
|
729 // --------------------------------------------------------------------------- |
|
730 // re-create a paired device view if registry was changed during the previous |
|
731 // operation. otherwise if the view is not empty, get the paired devices. |
|
732 // --------------------------------------------------------------------------- |
|
733 // |
|
734 void CBTEngPairMan::HandleCreatePairedDevicesViewCompletedL( TInt aStatus, TInt aReqId ) |
|
735 { |
|
736 TRACE_FUNC_ENTRY |
|
737 |
|
738 if ( aReqId == ERegistryInitiatePairedDevicesView ) |
|
739 {// Initialization phase, list paired devices if there are any. |
|
740 if ( iNotHandledInitEventCounter ) |
|
741 { |
|
742 // Reinitialisaton detected, create paired device view again: |
|
743 (void) iBTRegistry.CloseView(); |
|
744 CreatePairedDevicesView( ERegistryInitiatePairedDevicesView ); |
|
745 } |
|
746 else if ( aStatus > KErrNone ) |
|
747 { |
|
748 GetPairedDevices( ERegistryInitiatePairedDevicesList ); |
|
749 } |
|
750 else |
|
751 {//no paired device, close the view. |
|
752 (void) iBTRegistry.CloseView(); |
|
753 } |
|
754 } |
|
755 else |
|
756 { |
|
757 if ( iNotHandledInitEventCounter ) |
|
758 { |
|
759 // We need to reinitialise but we may be pairing. |
|
760 // This situation is not expected to arise, as reinitialisation means |
|
761 // that the H/W was only just switched on. |
|
762 // If we have ever started to take part in a pairing, then prioritise that |
|
763 // pairing. |
|
764 (void) iBTRegistry.CloseView(); |
|
765 if ( iPairingOperationAttempted ) |
|
766 { |
|
767 iNotHandledInitEventCounter = 0; |
|
768 CreatePairedDevicesView( ERegistryPairedDevicesNewView ); |
|
769 } |
|
770 else |
|
771 { |
|
772 CreatePairedDevicesView( ERegistryInitiatePairedDevicesView ); |
|
773 } |
|
774 } |
|
775 else if (iNotHandledRegEventCounter) |
|
776 { // more registry change detected, create paired device view again: |
|
777 (void) iBTRegistry.CloseView(); |
|
778 CreatePairedDevicesView( ERegistryPairedDevicesNewView ); |
|
779 } |
|
780 else if ( aStatus > KErrNone ) |
|
781 { // paired device available, get them: |
|
782 GetPairedDevices( ERegistryGetPairedDevices ); |
|
783 } |
|
784 else |
|
785 { |
|
786 // No paired devices in registry, empty local db: |
|
787 (void) iBTRegistry.CloseView(); |
|
788 iPairedDevices->Reset(); |
|
789 } |
|
790 } |
|
791 TRACE_FUNC_EXIT |
|
792 } |
|
793 |
|
794 // --------------------------------------------------------------------------- |
|
795 // update paired device list. if registry was changed, create a new view. |
|
796 // otherwise check for new pairing event. |
|
797 // --------------------------------------------------------------------------- |
|
798 // |
|
799 void CBTEngPairMan::HandleGetPairedDevicesCompletedL( TInt /*aStatus*/, TInt aReqId ) |
|
800 { |
|
801 TRACE_FUNC_ENTRY |
|
802 (void) iBTRegistry.CloseView(); |
|
803 if ( aReqId == ERegistryInitiatePairedDevicesList ) |
|
804 { |
|
805 if ( iNotHandledInitEventCounter ) |
|
806 { |
|
807 // Reinitialisation required, create paired device view again: |
|
808 CreatePairedDevicesView( ERegistryInitiatePairedDevicesView ); |
|
809 } |
|
810 else |
|
811 { |
|
812 // We completed the initialisation of paired device list, |
|
813 // move all paired devices to the array: |
|
814 UpdatePairedDeviceListL(); |
|
815 } |
|
816 } |
|
817 else |
|
818 { |
|
819 if (iNotHandledInitEventCounter) |
|
820 { |
|
821 // We need to reinitialise but we may be pairing. |
|
822 // This situation is not expected to arise, as reinitialisation means |
|
823 // that the H/W was only just switched on. |
|
824 // If we have ever started to take part in a pairing, then prioritise that |
|
825 // pairing. |
|
826 if ( iPairingOperationAttempted ) |
|
827 { |
|
828 iNotHandledInitEventCounter = 0; |
|
829 CreatePairedDevicesView( ERegistryPairedDevicesNewView ); |
|
830 } |
|
831 else |
|
832 { |
|
833 CreatePairedDevicesView( ERegistryInitiatePairedDevicesView ); |
|
834 } |
|
835 } |
|
836 else if (iNotHandledRegEventCounter) |
|
837 { // more registry change detected, create paired device view again: |
|
838 CreatePairedDevicesView( ERegistryPairedDevicesNewView ); |
|
839 } |
|
840 else if ( aReqId == ERegistryGetPairedDevices) |
|
841 { |
|
842 // no more registry change detected, find new pairings: |
|
843 CheckPairEventL(); |
|
844 } |
|
845 } |
|
846 |
|
847 TRACE_FUNC_EXIT |
|
848 } |
|
849 |
|
850 // --------------------------------------------------------------------------- |
|
851 // copy the nameless devices to local array |
|
852 // --------------------------------------------------------------------------- |
|
853 // |
|
854 void CBTEngPairMan::UpdatePairedDeviceListL() |
|
855 { |
|
856 TRACE_FUNC_ENTRY |
|
857 iPairedDevices->Reset(); |
|
858 for ( TInt i = 0; i < iPairedDevicesResp->Results().Count(); i++ ) |
|
859 { |
|
860 TRACE_BDADDR( iPairedDevicesResp->Results()[i]->BDAddr() ); |
|
861 TRACE_INFO((_L("[BTENG]\t linkkeytype %d"), |
|
862 iPairedDevicesResp->Results()[i]->LinkKeyType())) |
|
863 iPairedDevices->AppendL( iPairedDevicesResp->Results()[i]->AsNamelessDevice() ); |
|
864 } |
|
865 delete iPairedDevicesResp; |
|
866 iPairedDevicesResp = NULL; |
|
867 TRACE_FUNC_EXIT |
|
868 } |
|
869 |
|
870 // --------------------------------------------------------------------------- |
|
871 // find new paired devices. for each, delegate the information to |
|
872 // current pair handler. |
|
873 // --------------------------------------------------------------------------- |
|
874 // |
|
875 void CBTEngPairMan::CheckPairEventL() |
|
876 { |
|
877 TRACE_FUNC_ENTRY |
|
878 RArray<TBTNamelessDevice>* pairedDevicesOld; |
|
879 pairedDevicesOld = iPairedDevices; |
|
880 CleanupStack::PushL( pairedDevicesOld ); |
|
881 CleanupClosePushL( *pairedDevicesOld ); |
|
882 iPairedDevices = NULL; |
|
883 iPairedDevices = new (ELeave) RArray<TBTNamelessDevice>; |
|
884 UpdatePairedDeviceListL(); |
|
885 |
|
886 TIdentityRelation<TBTNamelessDevice> addrComp( CompareDeviceByAddress ); |
|
887 for ( TInt i = 0; i < iPairedDevices->Count(); i++ ) |
|
888 { |
|
889 TBTNamelessDevice& dev = (*iPairedDevices)[i]; |
|
890 TInt index = pairedDevicesOld->Find( dev, addrComp ); |
|
891 |
|
892 // If the device is not found in the old paired device list or |
|
893 // the link key type has been changed from |
|
894 // ELinkKeyUnauthenticatedUpgradable, the device is a new |
|
895 // paired device: |
|
896 TBool newPaired = dev.LinkKeyType() != ELinkKeyUnauthenticatedUpgradable && |
|
897 ( index == KErrNotFound || |
|
898 ( index > KErrNotFound && |
|
899 dev.LinkKeyType() != (*pairedDevicesOld)[index].LinkKeyType() ) ); |
|
900 TRACE_BDADDR( dev.Address() ); |
|
901 if ( newPaired && !iPairer) |
|
902 { |
|
903 iPairingOperationAttempted = ETrue; |
|
904 iPairer = CBTEngIncPair::NewL( *this, dev.Address() ); |
|
905 } |
|
906 if ( newPaired && iPairer ) |
|
907 { |
|
908 // Ask pair handler to decide what to do: |
|
909 iPairer->HandleRegistryNewPairedEvent( dev ); |
|
910 } |
|
911 } |
|
912 // Free old paired device list resource: |
|
913 CleanupStack::PopAndDestroy( 2 ); |
|
914 TRACE_FUNC_EXIT |
|
915 } |
|
916 |