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1 /* |
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2 * Copyright (c) 2006 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: Bluetooth Audio Manager ECom plug-in class definition. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <ecom/ecom.h> |
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20 #include <bttypes.h> |
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21 #include "btaudiomanplugin.h" |
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22 #include "btaccTypes.h" |
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23 #include "debug.h" |
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24 |
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25 enum TRequestId |
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26 { |
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27 ERequestConnect = 1, |
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28 ERequestDisconnect = 2, |
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29 ENotifyProfileStatusChange = 3, |
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30 ERequestDisconnectAll, |
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31 }; |
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32 |
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33 CBtAudioManPlugin* CBtAudioManPlugin::NewL() |
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34 { |
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35 CBtAudioManPlugin* self = new (ELeave) CBtAudioManPlugin(); |
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36 CleanupStack::PushL(self); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(self); |
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39 return self; |
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40 } |
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41 |
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42 CBtAudioManPlugin::~CBtAudioManPlugin() |
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43 { |
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44 delete iActive4ClientReq; |
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45 delete iActive4ProfileStatus; |
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46 iClient.Close(); |
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47 TRACE_FUNC |
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48 } |
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49 |
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50 void CBtAudioManPlugin::SetObserver( MBTEngPluginObserver* aObserver ) |
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51 { |
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52 iObserver = aObserver; |
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53 } |
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54 |
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55 void CBtAudioManPlugin::GetSupportedProfiles( RProfileArray& aProfiles ) |
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56 { |
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57 aProfiles.Reset(); |
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58 aProfiles.Append(EBTProfileHSP); |
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59 aProfiles.Append(EBTProfileHFP); |
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60 aProfiles.Append(EBTProfileA2DP); |
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61 } |
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62 |
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63 TBool CBtAudioManPlugin::IsProfileSupported(const TBTProfile aProfile ) const |
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64 { |
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65 return (aProfile == EBTProfileHSP || |
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66 aProfile == EBTProfileHFP || |
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67 aProfile == EBTProfileA2DP); |
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68 } |
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69 |
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70 TInt CBtAudioManPlugin::Connect( const TBTDevAddr& aAddr ) |
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71 { |
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72 TRACE_FUNC |
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73 return HandleAsyncRequest(aAddr, ERequestConnect); |
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74 } |
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75 |
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76 void CBtAudioManPlugin::CancelConnect( const TBTDevAddr& aAddr ) |
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77 { |
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78 if (iBTDevAddrPckgBuf() == aAddr && |
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79 iActive4ClientReq && |
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80 iActive4ClientReq->IsActive() && |
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81 iActive4ClientReq->RequestId() == ERequestConnect ) |
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82 { |
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83 TRACE_INFO(_L("CBtAudioManPlugin::CancelConnect KErrCancel")) |
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84 delete iActive4ClientReq; |
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85 iActive4ClientReq = NULL; |
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86 if (iObserver) |
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87 { |
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88 iObserver->ConnectComplete(iBTDevAddrPckgBuf(), |
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89 EBTProfileHFP, KErrCancel); |
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90 } |
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91 } |
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92 else |
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93 { |
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94 TRACE_INFO(_L("CBtAudioManPlugin::CancelConnect KErrNotFound")) |
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95 if (iObserver) |
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96 { |
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97 iObserver->ConnectComplete(aAddr , |
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98 EBTProfileHFP, KErrNotFound); |
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99 } |
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100 } |
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101 |
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102 } |
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103 |
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104 TInt CBtAudioManPlugin::Disconnect( const TBTDevAddr& aAddr, TBTDisconnectType /*aDiscType*/ ) |
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105 { |
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106 TInt req = ERequestDisconnect; |
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107 if (aAddr == TBTDevAddr()) |
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108 { |
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109 req = ERequestDisconnectAll; |
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110 } |
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111 return HandleAsyncRequest(aAddr, req); |
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112 } |
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113 |
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114 void CBtAudioManPlugin::GetConnections( RBTDevAddrArray& aAddrArray, TBTProfile aConnectedProfile ) |
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115 { |
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116 aAddrArray.Reset(); |
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117 TProfiles profile = EUnknownProfile; |
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118 |
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119 if (aConnectedProfile == EBTProfileHSP || aConnectedProfile == EBTProfileHFP) |
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120 { |
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121 profile = EAnyMonoAudioProfiles; |
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122 } |
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123 else if (aConnectedProfile == EBTProfileA2DP) |
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124 { |
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125 profile = EStereo; |
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126 } |
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127 else |
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128 { |
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129 return; |
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130 } |
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131 |
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132 //guess there are 2 addresses as a 'best guess' |
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133 TInt numAddresses = 2; |
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134 TInt count = numAddresses; |
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135 RBuf8 addrbuf; |
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136 TPtrC8 ptr(addrbuf); |
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137 |
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138 do |
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139 { |
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140 //if this is > 1st time round, the buffer must be deleted and the |
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141 //count might have changed |
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142 addrbuf.Close(); |
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143 numAddresses = count; |
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144 |
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145 //create a buffer using the 'best guess' size |
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146 TInt err = addrbuf.Create(KBTDevAddrSize * numAddresses); |
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147 |
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148 if (err != KErrNone) |
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149 { |
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150 //we can't do anything if the buffer fails to create, just return |
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151 //and ignore the error as there is no error path (maybe this will |
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152 //change in the future) |
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153 return; |
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154 } |
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155 |
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156 //get the number of connections and the addresses. count can be either |
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157 //the number of connections or a system-wide error code |
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158 count = iClient.GetConnections(addrbuf, profile); |
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159 |
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160 if (count < KErrNone) |
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161 { |
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162 //error occurred so we're finished with the buffer |
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163 addrbuf.Close(); |
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164 |
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165 //ignore the error as there is no error path (maybe this will |
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166 //change in the future) |
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167 return; |
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168 } |
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169 } |
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170 //iterate if the number of connections is greater than our 'best guess' or |
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171 //maybe another connection was established while this was taking place |
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172 while (count > numAddresses); |
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173 |
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174 //iterate through the addresses buffer |
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175 while (ptr.Length() >= KBTDevAddrSize) |
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176 { |
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177 //append each address to the device address array |
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178 TInt err = aAddrArray.Append(TBTDevAddr(ptr.Left(KBTDevAddrSize))); |
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179 |
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180 if (err == KErrNone) |
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181 { |
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182 //shift the pointer along to the next address |
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183 ptr.Set(ptr.Mid(KBTDevAddrSize)); |
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184 } |
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185 else |
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186 { |
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187 //error occurred so we're finished with the buffer |
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188 addrbuf.Close(); |
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189 |
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190 //ignore the error as there is no error path (maybe this will |
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191 //change in the future) |
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192 return; |
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193 } |
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194 } |
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195 |
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196 //now finished with the address buffer |
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197 addrbuf.Close(); |
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198 } |
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199 |
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200 TBTEngConnectionStatus CBtAudioManPlugin::IsConnected( const TBTDevAddr& aAddr ) |
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201 { |
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202 TBTEngConnectionStatus stat = (TBTEngConnectionStatus) iClient.IsConnected(aAddr); |
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203 TRACE_INFO((_L("IsConnected %d"), stat)) |
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204 return stat; |
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205 } |
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206 |
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207 void CBtAudioManPlugin::RequestCompletedL(CBasrvActive& aActive) |
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208 { |
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209 TRACE_FUNC |
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210 switch (aActive.RequestId()) |
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211 { |
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212 case ENotifyProfileStatusChange: |
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213 { |
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214 if (aActive.iStatus == KErrNone && iObserver) |
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215 { |
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216 ReportProfileConnectionEvents(iProfileStatus.iAddr, iProfileStatus.iProfiles, |
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217 iProfileStatus.iConnected); |
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218 iClient.NotifyConnectionStatus(iProfileStatusPckg, aActive.iStatus); |
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219 aActive.GoActive(); |
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220 } |
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221 break; |
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222 } |
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223 case ERequestConnect: |
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224 { |
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225 if (iActive4ClientReq->iStatus.Int() != KErrNone) // might have conflicts, decode iDiagnostic |
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226 { |
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227 if (iDiagnostic.Length() >= KBTDevAddrSize) |
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228 { |
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229 RBTDevAddrArray array; |
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230 CleanupClosePushL(array); |
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231 TPtrC8 ptr(iDiagnostic); |
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232 while (ptr.Length() >= KBTDevAddrSize) |
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233 { |
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234 array.AppendL(TBTDevAddr(ptr.Left(KBTDevAddrSize))); |
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235 #ifdef _DEBUG |
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236 const TPtrC8 myPtr(array[array.Count() - 1].Des()); |
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237 #endif |
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238 TRACE_INFO((_L8("conflict <%S>"), &myPtr)) |
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239 ptr.Set(ptr.Mid(KBTDevAddrSize)); |
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240 } |
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241 iObserver->ConnectComplete(iBTDevAddrPckgBuf(), |
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242 EBTProfileHFP, iActive4ClientReq->iStatus.Int(), &array); |
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243 CleanupStack::PopAndDestroy(&array); |
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244 } |
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245 else |
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246 { |
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247 iObserver->ConnectComplete(iBTDevAddrPckgBuf(), |
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248 EBTProfileHFP, iActive4ClientReq->iStatus.Int()); |
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249 } |
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250 } |
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251 else |
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252 { |
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253 TInt profile = 0; |
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254 if (iDiagnostic.Length() >= sizeof(TInt)) |
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255 { |
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256 TPckg<TInt> pckg(profile); |
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257 pckg.Copy(iDiagnostic.Mid(0, sizeof(TInt))); |
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258 } |
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259 ReportProfileConnectionEvents(iBTDevAddrPckgBuf(), profile, ETrue); |
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260 } |
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261 delete iActive4ClientReq; |
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262 iActive4ClientReq = NULL; |
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263 break; |
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264 } |
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265 case ERequestDisconnect: |
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266 { |
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267 if (iActive4ClientReq->iStatus.Int() != KErrNone) |
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268 { |
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269 iObserver->DisconnectComplete(iBTDevAddrPckgBuf(), |
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270 EBTProfileHFP, iActive4ClientReq->iStatus.Int()); |
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271 } |
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272 else |
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273 { |
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274 TInt profile = 0; |
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275 if (iDiagnostic.Length() >= sizeof(TInt)) |
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276 { |
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277 TPckg<TInt> pckg(profile); |
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278 pckg.Copy(iDiagnostic.Mid(0, sizeof(TInt))); |
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279 } |
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280 ReportProfileConnectionEvents(iBTDevAddrPckgBuf(), profile, EFalse); |
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281 } |
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282 delete iActive4ClientReq; |
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283 iActive4ClientReq = NULL; |
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284 break; |
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285 } |
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286 case ERequestDisconnectAll: |
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287 { |
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288 iObserver->DisconnectComplete(iBTDevAddrPckgBuf(), |
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289 EBTProfileHFP, iActive4ClientReq->iStatus.Int()); |
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290 break; |
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291 } |
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292 } |
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293 } |
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294 |
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295 void CBtAudioManPlugin::CancelRequest(CBasrvActive& aActive) |
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296 { |
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297 if (aActive.RequestId() == ENotifyProfileStatusChange ) |
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298 { |
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299 iClient.CancelNotifyConnectionStatus(); |
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300 } |
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301 else if (aActive.RequestId() == ERequestConnect ) |
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302 { |
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303 iClient.CancelConnectToAccessory(); |
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304 } |
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305 } |
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306 |
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307 CBtAudioManPlugin::CBtAudioManPlugin() : iProfileStatusPckg(iProfileStatus) |
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308 { |
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309 TRACE_FUNC |
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310 } |
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311 |
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312 void CBtAudioManPlugin::ConstructL() |
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313 { |
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314 LEAVE_IF_ERROR(iClient.Connect()); |
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315 iActive4ProfileStatus = CBasrvActive::NewL(*this, CActive::EPriorityStandard, ENotifyProfileStatusChange); |
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316 iClient.NotifyConnectionStatus(iProfileStatusPckg, iActive4ProfileStatus->iStatus); |
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317 iActive4ProfileStatus->GoActive(); |
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318 } |
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319 |
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320 TInt CBtAudioManPlugin::HandleAsyncRequest(const TBTDevAddr& aAddr, TInt aRequestId) |
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321 { |
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322 TInt err = KErrNone; |
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323 if (! iClient.Handle() ) |
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324 { |
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325 err = iClient.Connect(); |
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326 } |
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327 if ( err ) |
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328 { |
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329 return err; |
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330 } |
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331 if ( iActive4ClientReq ) |
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332 { |
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333 err = KErrServerBusy; |
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334 } |
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335 if (!err) |
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336 { |
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337 iActive4ClientReq = CBasrvActive::New(*this, CActive::EPriorityStandard, aRequestId); |
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338 if (iActive4ClientReq) |
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339 { |
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340 iBTDevAddrPckgBuf() = aAddr; |
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341 if (aRequestId == ERequestConnect) |
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342 { |
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343 iDiagnostic.Zero(); |
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344 iClient.ConnectToAccessory(iActive4ClientReq->iStatus, iBTDevAddrPckgBuf, iDiagnostic); |
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345 } |
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346 else if (aRequestId == ERequestDisconnect) |
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347 { |
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348 iClient.DisconnectAccessory(iActive4ClientReq->iStatus, iBTDevAddrPckgBuf, iDiagnostic); |
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349 } |
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350 else // if (aRequestId == ERequestDisconnectAll) |
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351 { |
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352 iClient.DisconnectAllGracefully(iActive4ClientReq->iStatus); |
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353 } |
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354 iActive4ClientReq->GoActive(); |
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355 } |
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356 else |
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357 { |
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358 err = KErrNoMemory; |
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359 } |
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360 } |
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361 return err; |
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362 } |
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363 |
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364 void CBtAudioManPlugin::ReportProfileConnectionEvents(const TBTDevAddr& aAddr, const TInt aProfiles, TBool aConnected) |
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365 { |
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366 TRACE_FUNC |
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367 TRACE_INFO((_L("status %d profiles 0x%04X"), aConnected, aProfiles)) |
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368 TBTEngConnectionStatus status = IsConnected(aAddr); |
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369 if (iObserver) |
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370 { |
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371 if (aConnected) |
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372 { |
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373 if (aProfiles & EHFP) |
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374 { |
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375 iObserver->ConnectComplete(aAddr, EBTProfileHFP, KErrNone); |
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376 } |
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377 if (aProfiles & EHSP) |
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378 { |
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379 iObserver->ConnectComplete(aAddr, EBTProfileHSP, KErrNone); |
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380 } |
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381 if (aProfiles & EStereo) |
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382 { |
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383 iObserver->ConnectComplete(aAddr, EBTProfileA2DP, KErrNone); |
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384 } |
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385 } |
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386 else |
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387 { |
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388 if( status != EBTEngConnected ) |
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389 { |
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390 if (aProfiles & EHFP) |
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391 { |
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392 iObserver->DisconnectComplete(aAddr, EBTProfileHFP, KErrNone); |
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393 } |
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394 if (aProfiles & EHSP) |
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395 { |
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396 iObserver->DisconnectComplete(aAddr, EBTProfileHSP, KErrNone); |
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397 } |
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398 if (aProfiles & EStereo) |
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399 { |
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400 iObserver->DisconnectComplete(aAddr, EBTProfileA2DP, KErrNone); |
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401 } |
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402 } |
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403 } |
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404 } |
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405 } |
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406 |
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407 // |