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1 /* |
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2 * Copyright (c) 2002 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: BT device and service searcher |
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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 |
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20 // INCLUDE FILES |
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21 #include <btnotif.h> |
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22 #include "Btobexsearcher.h" |
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23 #include "NSmlObexServiceSearcher.h" |
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24 #include "ExtBTSearcherObserver.h" |
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25 |
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26 // CONSTANTS |
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27 _LIT( KBTTransportName,"RFCOMM" ); |
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28 |
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29 // LOCAL CONSTANTS AND MACROS |
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30 _LIT( KBTObexSearcher, "BT Obex searcher" ); |
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31 const TInt KInvalidStatePanicVal = -1; |
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32 |
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33 |
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34 // ============================ MEMBER FUNCTIONS =============================== |
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35 |
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36 // ----------------------------------------------------------------------------- |
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37 // CBTObexSearcher::CBTObexSearcher |
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38 // C++ default constructor can NOT contain any code, that |
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39 // might leave. |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CBTObexSearcher::CBTObexSearcher() |
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43 { |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CBTObexSearcher::ConstructL |
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48 // Symbian 2nd phase constructor can leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 void CBTObexSearcher::ConstructL( const TBTConnInfo& aBTConnInfo ) |
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52 { |
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53 BaseConstructL(); |
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54 iServiceSearcher = CNSmlObexServiceSearcher::NewL( aBTConnInfo ); |
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55 iSettings = CBTEngSettings::NewL( this ); |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CBTObexSearcher::NewL |
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60 // Two-phased constructor. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 CBTObexSearcher* CBTObexSearcher::NewL( const TBTConnInfo& aBTConnInfo ) |
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64 { |
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65 CBTObexSearcher* self = new( ELeave ) CBTObexSearcher; |
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66 |
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67 CleanupStack::PushL( self ); |
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68 self->ConstructL( aBTConnInfo ); |
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69 CleanupStack::Pop(); |
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70 |
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71 return self; |
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72 } |
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73 |
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74 //---------------------------------------------------------------------------- |
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75 // ~CBTObexSearcher() |
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76 //---------------------------------------------------------------------------- |
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77 // |
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78 CBTObexSearcher::~CBTObexSearcher() |
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79 { |
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80 Cancel(); |
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81 delete iServiceSearcher; |
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82 delete iSettings; |
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83 if ( iNotifier.Handle() ) |
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84 { |
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85 iNotifier.Close(); |
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86 } |
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87 } |
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88 |
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89 //---------------------------------------------------------------------------- |
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90 // CBTObexSearcher::RunL() |
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91 //---------------------------------------------------------------------------- |
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92 // |
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93 void CBTObexSearcher::RunL() |
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94 { |
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95 |
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96 TInt err( iStatus.Int() ); |
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97 if ( err != KErrNone ) |
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98 { |
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99 switch ( iState ) |
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100 { |
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101 case EIdle: |
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102 { |
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103 if( iWaitingForBTPower ) |
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104 { |
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105 NotifyDeviceErrorL( err ); |
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106 } |
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107 break; |
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108 } |
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109 case EDeviceSearch: |
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110 { |
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111 NotifyDeviceErrorL( err ); |
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112 //Notify external observer |
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113 if ( iExtObserver ) |
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114 { |
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115 iExtObserver->BTDeviceErrorL( err ); |
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116 } |
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117 break; |
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118 } |
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119 case EServiceSearch: |
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120 { |
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121 NotifyServiceErrorL( err ); |
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122 break; |
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123 } |
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124 default: |
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125 { |
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126 User::Panic( KBTObexSearcher, KInvalidStatePanicVal ); |
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127 break; |
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128 } |
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129 |
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130 } |
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131 } |
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132 else |
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133 { |
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134 switch ( iState ) |
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135 { |
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136 case EIdle: |
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137 { |
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138 if( iWaitingForBTPower && iOffline() != EFalse ) |
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139 { |
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140 if ( iNotifier.Handle() ) |
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141 { |
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142 iNotifier.Close(); |
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143 } |
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144 TInt err = iSettings->ChangePowerStateTemporarily( ); |
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145 if( err ) |
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146 { |
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147 NotifyDeviceErrorL( err ); |
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148 } |
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149 } |
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150 else |
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151 { |
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152 NotifyDeviceErrorL( KErrCancel ); |
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153 } |
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154 break; |
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155 } |
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156 case EDeviceSearch: |
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157 { |
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158 NotifyDeviceFoundL(); |
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159 //Notify external observer |
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160 if ( iExtObserver ) |
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161 { |
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162 iExtObserver->BTDeviceFoundL( iServiceSearcher->ResponseParams() ); |
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163 } |
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164 |
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165 break; |
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166 } |
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167 case EServiceSearch: |
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168 { |
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169 NotifyServiceFoundL(); |
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170 break; |
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171 } |
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172 default: |
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173 { |
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174 User::Panic( KBTObexSearcher, KInvalidStatePanicVal ); |
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175 break; |
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176 } |
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177 |
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178 } |
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179 } |
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180 } |
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181 |
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182 //---------------------------------------------------------------------------- |
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183 // CBTObexSearcher::DoCancel() |
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184 //---------------------------------------------------------------------------- |
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185 // |
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186 void CBTObexSearcher::DoCancel() |
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187 { |
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188 delete iServiceSearcher; |
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189 iServiceSearcher = 0; |
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190 } |
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191 |
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192 //---------------------------------------------------------------------------- |
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193 // CBTObexSearcher::SearchDeviceL() |
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194 //---------------------------------------------------------------------------- |
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195 // |
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196 void CBTObexSearcher::SearchDeviceL() |
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197 { |
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198 iWaitingForBTPower = ETrue; |
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199 TBTPowerStateValue power = EBTPowerOff; |
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200 User::LeaveIfError( iSettings->GetPowerState( power ) ); |
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201 TBool offline = EFalse; |
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202 |
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203 if( power == EBTPowerOff ) |
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204 { |
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205 offline = CheckOfflineModeL(); |
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206 } |
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207 if( !offline ) |
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208 { |
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209 // Even if BT is already on, we still register as "temp BT user". |
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210 User::LeaveIfError( iSettings->ChangePowerStateTemporarily( ) ); |
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211 } |
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212 if( power == EBTPowerOn ) |
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213 { |
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214 // start to search immediately. |
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215 PowerStateChanged( power ); |
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216 } |
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217 } |
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218 |
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219 //---------------------------------------------------------------------------- |
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220 // CBTObexSearcher::SearchServiceL() |
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221 //---------------------------------------------------------------------------- |
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222 // |
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223 void CBTObexSearcher::SearchServiceL() |
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224 { |
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225 SetActive(); |
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226 iState = EServiceSearch; |
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227 iStatus = KRequestPending; |
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228 iServiceSearcher->FindServiceL( iStatus ); |
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229 } |
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230 |
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231 //---------------------------------------------------------------------------- |
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232 // CBTObexSearcher::CreateObexClientL() |
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233 //---------------------------------------------------------------------------- |
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234 // |
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235 CObexClient* CBTObexSearcher::CreateObexClientL() |
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236 { |
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237 TObexBluetoothProtocolInfo protocolInfo; |
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238 |
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239 protocolInfo.iTransport.Copy( KBTTransportName ); |
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240 protocolInfo.iAddr.SetBTAddr( iServiceSearcher->BTDevAddr() ); |
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241 protocolInfo.iAddr.SetPort( iServiceSearcher->Port() ); |
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242 |
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243 CObexClient* obexClient = CObexClient::NewL( protocolInfo ); |
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244 return obexClient; |
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245 } |
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246 |
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247 |
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248 //---------------------------------------------------------------------------- |
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249 // CBTObexSearcher::PowerStateChanged |
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250 // Bluetooth power state has changed; start searching devices if it is on. |
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251 //---------------------------------------------------------------------------- |
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252 // |
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253 void CBTObexSearcher::PowerStateChanged( TBTPowerStateValue aState ) |
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254 { |
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255 if( iWaitingForBTPower && aState == EBTPowerOn ) |
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256 { |
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257 iWaitingForBTPower = EFalse; |
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258 TRAPD( err, iServiceSearcher->SelectDeviceByDiscoveryL( iStatus ) ); |
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259 if( !err ) |
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260 { |
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261 iState = EDeviceSearch; |
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262 SetActive(); |
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263 } |
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264 else |
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265 { |
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266 TRAP_IGNORE(NotifyDeviceErrorL( err )); |
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267 } |
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268 } |
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269 } |
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270 |
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271 |
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272 //---------------------------------------------------------------------------- |
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273 // CBTObexSearcher::VisibilityModeChanged |
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274 // Notification of changes in the discoverability mode, ignored. |
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275 //---------------------------------------------------------------------------- |
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276 // |
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277 void CBTObexSearcher::VisibilityModeChanged( TBTVisibilityMode /*aState*/ ) |
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278 { |
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279 |
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280 } |
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281 |
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282 |
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283 //---------------------------------------------------------------------------- |
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284 // CBTObexSearcher::CheckOfflineModeL |
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285 // Checks the offline mode and queries the user for turning BT on if required. |
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286 //---------------------------------------------------------------------------- |
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287 // |
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288 TBool CBTObexSearcher::CheckOfflineModeL() |
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289 { |
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290 TCoreAppUIsNetworkConnectionAllowed offline = ECoreAppUIsNetworkConnectionNotAllowed; |
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291 TBTEnabledInOfflineMode offlineAllowed = EBTDisabledInOfflineMode; |
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292 User::LeaveIfError( iSettings->GetOfflineModeSettings( offline, offlineAllowed ) ); |
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293 if( offline == ECoreAppUIsNetworkConnectionNotAllowed && |
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294 offlineAllowed == EBTEnabledInOfflineMode ) |
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295 { |
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296 User::LeaveIfError( iNotifier.Connect() ); |
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297 TBTGenericQueryNotiferParamsPckg pckg; |
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298 pckg().iMessageType = EBTActivateOffLineQuery; |
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299 pckg().iNameExists = EFalse; |
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300 iNotifier.StartNotifierAndGetResponse( iStatus, KBTGenericQueryNotifierUid, |
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301 pckg, iOffline ); |
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302 SetActive(); |
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303 } |
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304 else if( offline == ECoreAppUIsNetworkConnectionNotAllowed && |
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305 offlineAllowed == EBTDisabledInOfflineMode ) |
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306 { |
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307 NotifyDeviceErrorL( KErrNotSupported ); |
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308 } |
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309 return ( offline == ECoreAppUIsNetworkConnectionNotAllowed ); |
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310 } |
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311 // End of File |