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1 /* |
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2 * Copyright (c) 2008 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: accessory observer |
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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 <AccPolGenericID.h> |
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20 |
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21 #include "fmradioaccessoryobserver.h" |
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22 #include "fmradioheadseteventobserver.h" |
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23 #include "debug.h" |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // C++ default constructor can NOT contain any code, that might leave. |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 CFMRadioAccessoryObserver::CFMRadioAccessoryObserver() : |
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30 CActive( CActive::EPriorityStandard ), |
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31 iObserver( NULL ) |
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32 { |
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33 FTRACE( FPrint(_L("CFMRadioAccessoryObserver::CFMRadioAccessoryObserver()") ) ); |
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34 } |
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35 |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // Symbian 2nd phase constructor can leave. |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 void CFMRadioAccessoryObserver::ConstructL() |
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42 { |
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43 FTRACE( FPrint(_L("CFMRadioAccessoryObserver::ConstructL() -- ENTER") ) ) |
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44 User::LeaveIfError( iAccessoryServer.Connect() ); |
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45 |
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46 // Creates a new sub-session within an existing session. |
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47 User::LeaveIfError( iAccessoryModeSession.CreateSubSession( iAccessoryServer ) ); |
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48 User::LeaveIfError( iAccessoryModeSession.GetAccessoryMode( iAccPolAccessoryMode ) ); |
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49 |
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50 iPrevAccMode = iAccPolAccessoryMode; |
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51 |
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52 CActiveScheduler::Add( this ); |
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53 // Accessory mode is always listened |
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54 iAccessoryModeSession.NotifyAccessoryModeChanged( iStatus, iAccPolAccessoryMode ); |
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55 SetActive(); |
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56 FTRACE( FPrint(_L("CFMRadioAccessoryObserver::ConstructL() -- EXIT") ) ) |
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57 } |
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58 |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // Static constructor. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 CFMRadioAccessoryObserver* CFMRadioAccessoryObserver::NewL() |
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65 { |
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66 CFMRadioAccessoryObserver* self = new( ELeave ) CFMRadioAccessoryObserver; |
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67 |
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68 CleanupStack::PushL( self ); |
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69 self->ConstructL(); |
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70 CleanupStack::Pop(); |
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71 |
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72 return self; |
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73 } |
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74 |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // Destructor |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 CFMRadioAccessoryObserver::~CFMRadioAccessoryObserver() |
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81 { |
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82 Cancel(); |
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83 iAccessoryModeSession.CloseSubSession(); |
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84 iAccessoryServer.Close(); |
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85 } |
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86 |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // CFMRadioAccessoryObserver::IsHeadsetAccessoryConnected |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 TBool CFMRadioAccessoryObserver::IsHeadsetAccessoryConnected() const |
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93 { |
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94 TBool accessoryConnected; |
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95 |
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96 #ifdef __WINS__ |
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97 accessoryConnected = ETrue; |
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98 #else |
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99 switch ( iAccPolAccessoryMode.iAccessoryMode ) |
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100 { |
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101 case EAccModeWiredHeadset: // Falls through. |
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102 case EAccModeLoopset: // Falls through. |
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103 case EAccModeHeadphones: |
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104 { |
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105 accessoryConnected = ETrue; |
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106 break; |
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107 } |
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108 default: |
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109 { |
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110 accessoryConnected = EFalse; |
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111 break; |
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112 } |
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113 } |
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114 #endif |
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115 return accessoryConnected; |
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116 } |
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117 |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // CFMRadioAccessoryObserver::SetObserver |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 void CFMRadioAccessoryObserver::SetObserver( MFMRadioHeadsetEventObserver* aObserver ) |
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124 { |
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125 iObserver = aObserver; |
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126 } |
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127 |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // From class CActive |
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131 // CFMRadioAccessoryObserver::RunL |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 void CFMRadioAccessoryObserver::RunL() |
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135 { |
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136 TRequestStatus status = iStatus; |
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137 if ( status == KErrNone ) |
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138 { |
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139 // Accessory mode may change when combined connection status changes |
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140 // or when audio routing status changes. |
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141 if ( iObserver ) |
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142 { |
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143 if ( iPrevAccMode.iAccessoryMode == iAccPolAccessoryMode.iAccessoryMode && |
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144 iPrevAccMode.iAudioOutputStatus != iAccPolAccessoryMode.iAudioOutputStatus ) |
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145 { |
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146 // do nothing since we don't want another callback from same event |
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147 } |
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148 else |
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149 { |
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150 if ( IsHeadsetAccessoryConnected() ) |
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151 { |
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152 iObserver->HeadsetAccessoryConnectedCallbackL(); |
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153 } |
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154 else |
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155 { |
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156 iObserver->HeadsetAccessoryDisconnectedCallbackL(); |
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157 } |
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158 } |
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159 iPrevAccMode = iAccPolAccessoryMode; |
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160 } |
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161 } |
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162 iAccessoryModeSession.NotifyAccessoryModeChanged( iStatus, iAccPolAccessoryMode ); |
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163 SetActive(); |
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164 } |
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165 |
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166 // --------------------------------------------------------------------------- |
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167 // From class CActive |
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168 // CFMRadioAccessoryObserver::DoCancel |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 void CFMRadioAccessoryObserver::DoCancel() |
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172 { |
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173 iAccessoryModeSession.CancelNotifyAccessoryModeChanged(); |
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174 } |