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1 /* |
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2 * Copyright (c) 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: This class handles connect and disconnect to AccFw. |
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15 * |
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16 */ |
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17 |
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18 #include <acccongenericid.h> |
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19 #include <accpolobjectcon.h> |
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20 #include <accpolnamevaluerecord.h> |
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21 #include <accconfigfileparser.h> |
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22 #include <accpolcommonnamevaluepairs.h> |
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23 #include <accessoryservicesinternalpskeys.h> |
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24 #include <autoaudiopskeys.h> |
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25 |
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26 #include "cautoaudioasyservice.h" |
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27 #include "cautoaudioasypropertyobserver.h" |
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28 #include "acc_debug.h" |
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29 |
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30 #define SET_STATE(state) (iState=state) |
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31 |
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32 // ---------------------------------------------------------------------------------- |
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33 // CAutoAudioAsyService::CAutoAudioAsyService() |
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34 // ---------------------------------------------------------------------------------- |
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35 CAutoAudioAsyService::CAutoAudioAsyService () |
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36 : CActive ( EPriorityStandard ) |
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37 { |
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38 CActiveScheduler::Add ( this ); |
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39 } |
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40 |
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41 // ---------------------------------------------------------------------------------- |
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42 // CAutoAudioAsyService::NewL () |
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43 // ---------------------------------------------------------------------------------- |
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44 CAutoAudioAsyService* CAutoAudioAsyService::NewL () |
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45 { |
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46 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::NewL" ); |
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47 CAutoAudioAsyService* self = new ( ELeave ) CAutoAudioAsyService (); |
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48 CleanupStack::PushL ( self ); |
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49 self->ConstructL (); |
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50 CleanupStack::Pop ( self ); |
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51 return self; |
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52 } |
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53 |
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54 // ---------------------------------------------------------------------------------- |
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55 // CAutoAudioAsyService::ConstructL () |
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56 // ---------------------------------------------------------------------------------- |
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57 void CAutoAudioAsyService::ConstructL () |
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58 { |
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59 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::ConstructL" ); |
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60 User::LeaveIfError ( iAccessoryServer.Connect () ); |
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61 User::LeaveIfError ( iAccessoryControl.CreateSubSession ( iAccessoryServer ) ); |
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62 SET_STATE ( EServiceStateIdle ); |
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63 } |
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64 |
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65 // ---------------------------------------------------------------------------------- |
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66 // CAutoAudioAsyService::~CAutoAudioAsyService() |
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67 // ---------------------------------------------------------------------------------- |
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68 CAutoAudioAsyService::~CAutoAudioAsyService () |
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69 { |
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70 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::~CAutoAudioAsyService" ); |
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71 Cancel (); |
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72 |
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73 delete iPropertyObserver; |
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74 iAccessoryControl.CloseSubSession (); |
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75 iAccessoryServer.Close (); |
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76 |
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77 FreeResources (); |
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78 } |
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79 |
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80 void CAutoAudioAsyService::StartL () |
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81 { |
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82 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::StartL" ); |
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83 iPropertyObserver = CAutoAudioAsyPropertyObserver::NewL ( KPSUidAccessoryServices, KPSAutoKeyRTPStreamingConnectionStatus, *this ); |
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84 } |
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85 |
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86 // ---------------------------------------------------------------------------------- |
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87 // CAutoAudioAsyService::PropertyChange () |
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88 // Defined in MAutoAudioAsyPropertyListener interface. |
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89 // Receives notifications about RTP Streaming channel property changes. Property changes occur |
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90 // when accessory is connected or disconnected or headunit attached or detached |
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91 // ---------------------------------------------------------------------------------- |
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92 void CAutoAudioAsyService::PropertyChange ( RProperty& aProperty, TUid aUid, TUint aKey, TInt aStatus ) |
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93 { |
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94 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::PropertyChange" ); |
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95 |
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96 TInt propValue; |
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97 TInt status = aProperty.Get ( propValue ); |
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98 COM_TRACE_1 ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::PropertyChange -- request property value %d", propValue ); |
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99 |
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100 if ( aUid == KPSUidAccessoryServices && aKey == KPSAutoKeyRTPStreamingConnectionStatus ) |
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101 { |
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102 // Check if audio accessory has been connected |
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103 if ( ( status == KErrNone ) && ( aStatus == KErrNone ) ) |
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104 { |
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105 if ( propValue == EAudioConnectionStatusUnidirectional ) // Current release supports only UniDirectional, so other key values ignored. |
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106 { |
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107 TInt err; |
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108 switch ( iState ) |
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109 { |
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110 case EServiceStateIdle: |
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111 TRAP ( err, ConnectAccessoryL () ); |
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112 if ( err != KErrNone ) |
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113 { |
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114 COM_TRACE_1 ("[AccFW:AutoAudioAsy] ConnectAccessoryL error %d", err ); |
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115 FreeResources (); // switch to EServiceStateIdle |
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116 } |
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117 break; |
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118 |
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119 case EServiceStateConnecting: |
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120 case EServiceStateConnected: |
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121 // Nothing to do |
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122 break; |
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123 } |
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124 return; |
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125 } |
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126 } |
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127 |
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128 // Otherwise assume that it's disconnected |
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129 AccessoryDisconnected (); |
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130 } |
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131 } |
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132 |
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133 // ---------------------------------------------------------------------------------- |
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134 // CAutoAudioAsyService::AccessoryDisconnected () |
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135 // Called when a disconnect notification is received |
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136 // ---------------------------------------------------------------------------------- |
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137 void CAutoAudioAsyService::AccessoryDisconnected () |
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138 { |
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139 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::AccessoryDisconnected" ); |
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140 TRequestStatus status; |
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141 switch ( iState ) |
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142 { |
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143 case EServiceStateConnected: |
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144 iAccessoryControl.DisconnectAccessory ( status, iGenericId->GenericID () ); |
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145 User::WaitForRequest ( status ); |
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146 FreeResources (); // sets state to EServiceStateIdle |
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147 break; |
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148 |
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149 case EServiceStateConnecting: |
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150 Cancel (); |
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151 break; |
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152 |
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153 default: |
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154 // nothing to do in this case |
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155 break; |
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156 } |
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157 } |
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158 |
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159 // ---------------------------------------------------------------------------------- |
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160 // CAutoAudioAsyService::ConnectAccessoryL () |
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161 // Notifies the accessory server and switches to EServiceStateConnecting state. |
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162 // ---------------------------------------------------------------------------------- |
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163 void CAutoAudioAsyService::ConnectAccessoryL () |
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164 { |
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165 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::ConnectAccessoryL" ); |
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166 |
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167 RArray<TAccPolNameValueRecord> nameValueArray; |
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168 CleanupClosePushL ( nameValueArray ); |
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169 |
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170 // Set GenericID header |
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171 COM_TRACE_ ( "[AccFW:AutoAudioAsy] Set generic header" ); |
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172 iGenericIDHeader.iAccessoryDeviceType = KDTCarKit; |
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173 iGenericIDHeader.iPhysicalConnection = KPCUSB; |
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174 iGenericIDHeader.iApplicationProtocol = 0x0; |
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175 iGenericIDHeader.iCapabilitiesSubblocks = KSBAudioSubblock; |
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176 iGenericIDHeader.iHWDeviceID = 0x0; |
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177 iGenericIDHeader.iHWModelID = KNullDesC; |
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178 |
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179 iGenericId = CAccConGenericID::NewL (); |
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180 |
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181 COM_TRACE_ ( "[AccFW:AutoAudioAsy] Set capabilities" ); |
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182 |
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183 // Set "Audio Output Type" capability |
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184 COM_TRACE_ ( "[AccFW:AutoAudioAsy] KAccAudioOutputType " ); |
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185 nameValueArray.AppendL ( TAccPolNameValueRecord ( KAccAudioOutputType, |
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186 EAccAudioOutPutTypePublic, EAPVInt, EAPVPolicy ) ); |
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187 |
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188 // Set "Audio stereo" capability |
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189 COM_TRACE_ ( "[AccFW:AutoAudioAsy] KAccStereoAudio " ); |
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190 nameValueArray.AppendL ( TAccPolNameValueRecord ( KAccStereoAudio ) ); |
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191 |
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192 // Set "Integrated audio output" |
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193 COM_TRACE_ ( "[AccFW:AutoAudioAsy] KAccIntegratedAudioOutput " ); |
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194 nameValueArray.AppendL ( TAccPolNameValueRecord ( KAccIntegratedAudioOutput ) ); |
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195 |
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196 // Set "RTP streaming" |
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197 COM_TRACE_ ( "[AccFW:AutoAudioAsy] KAccRTPStreaming " ); |
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198 nameValueArray.AppendL ( TAccPolNameValueRecord ( KAccRTPStreaming ) ); |
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199 |
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200 // Make generic id |
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201 CAccConfigFileParser* accConfigFileParser = CAccConfigFileParser::NewL ( KNullDesC ); |
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202 CleanupStack::PushL ( accConfigFileParser ); |
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203 accConfigFileParser->ParseGenericIDL ( iGenericId, iGenericIDHeader, nameValueArray ); |
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204 |
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205 // Connect accessory |
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206 COM_TRACE_ ( "[AccFW:AutoAudioAsy] Connecting accessory..." ); |
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207 iAccessoryControl.ConnectAccessory ( iStatus, iGenericId, EFalse ); |
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208 SET_STATE ( EServiceStateConnecting ); |
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209 SetActive (); |
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210 |
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211 CleanupStack::PopAndDestroy ( accConfigFileParser ); |
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212 CleanupStack::PopAndDestroy ( &nameValueArray ); |
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213 } |
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214 |
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215 // ---------------------------------------------------------------------------------- |
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216 // CActive methods |
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217 // ---------------------------------------------------------------------------------- |
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218 void CAutoAudioAsyService::DoCancel () |
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219 { |
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220 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::DoCancel" ); |
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221 iAccessoryControl.CancelConnectAccessory (); |
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222 FreeResources (); |
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223 } |
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224 |
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225 TInt CAutoAudioAsyService::RunError ( TInt /*aError*/ ) |
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226 { |
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227 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::RunError" ); |
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228 return KErrNone; |
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229 } |
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230 |
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231 void CAutoAudioAsyService::RunL () |
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232 { |
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233 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::RunL" ); |
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234 TInt retVal ( iStatus.Int () ); |
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235 COM_TRACE_1 ( "[AccFW:AutoAudioAsy] Connected with return value %d", retVal ); |
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236 |
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237 if ( KErrNone == retVal ) |
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238 { |
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239 switch ( iState ) |
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240 { |
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241 case EServiceStateConnecting: |
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242 SET_STATE ( EServiceStateConnected ); |
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243 break; |
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244 |
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245 case EServiceStateIdle: |
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246 case EServiceStateConnected: |
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247 default: |
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248 COM_TRACE_ ( "State machine broken" ); |
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249 break; |
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250 } |
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251 } |
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252 else |
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253 { |
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254 COM_TRACE_ ( "[AccFW:AutoAudioAsy] Accessory Server failed to accept connection, freeing up resources" ); |
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255 FreeResources (); |
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256 } |
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257 } |
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258 |
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259 // ---------------------------------------------------------------------------------- |
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260 // Frees resources and set state to EServiceStateIdle |
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261 // ---------------------------------------------------------------------------------- |
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262 void CAutoAudioAsyService::FreeResources () |
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263 { |
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264 COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyService::FreeResources" ); |
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265 |
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266 if ( iState != EServiceStateIdle ) |
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267 { |
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268 SET_STATE ( EServiceStateIdle ); |
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269 } |
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270 |
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271 delete iGenericId; |
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272 iGenericId = NULL; |
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273 } |