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1 /* |
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2 * Copyright (c) 2004-2005 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 listener. |
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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 "CVtEngAccessoryHandler.h" |
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22 #include "MVtEngAccessoryObserver.h" |
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23 #include <cvtlogger.h> |
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24 |
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25 // CONSTANTS |
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26 const TInt KVtEngAccObserverGranularity = 1; |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CVtEngAccessoryHandler::CVtEngAccessoryHandler |
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32 // C++ default constructor can NOT contain any code, that |
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33 // might leave. |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 CVtEngAccessoryHandler::CVtEngAccessoryHandler() : |
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37 CActive( CActive::EPriorityStandard ), |
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38 iAccessoryObservers( KVtEngAccObserverGranularity ) |
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39 { |
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40 CActiveScheduler::Add( this ); |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CVtEngAccessoryHandler::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 void CVtEngAccessoryHandler::ConstructL() |
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49 { |
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50 User::LeaveIfError( iAccessoryServer.Connect() ); |
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51 User::LeaveIfError( iAccessoryMode.CreateSubSession( iAccessoryServer ) ); |
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52 StartListening(); |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CVtEngAccessoryHandler::NewL |
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57 // Two-phased constructor. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CVtEngAccessoryHandler* CVtEngAccessoryHandler::NewL( ) |
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61 { |
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62 __VTPRINTENTER( "AccHdr.NewL" ) |
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63 CVtEngAccessoryHandler* self = new( ELeave ) CVtEngAccessoryHandler; |
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64 CleanupStack::PushL( self ); |
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65 self->ConstructL(); |
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66 CleanupStack::Pop(); |
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67 __VTPRINTEXIT( "AccHdr.NewL" ) |
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68 return self; |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CVtEngAccessoryHandler::~CVtEngAccessoryHandler |
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73 // Destructor. |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 CVtEngAccessoryHandler::~CVtEngAccessoryHandler() |
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77 { |
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78 __VTPRINTENTER( "AccHdr.~" ) |
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79 Cancel(); |
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80 RemoveAllObservers(); |
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81 iAccessoryMode.CloseSubSession(); |
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82 iAccessoryServer.Disconnect(); |
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83 __VTPRINTEXIT( "AccHdr.~" ) |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CVtEngAccessoryHandler::RemoveObserver |
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88 // Removes an accessory listener. |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CVtEngAccessoryHandler::RemoveObserver( |
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92 MVtEngAccessoryObserver* aObserver ) |
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93 { |
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94 __VTPRINTENTER( "AccHdr.RemoveObserver" ) |
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95 TInt pos = iAccessoryObservers.Find( aObserver ); |
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96 if ( pos != KErrNotFound ) |
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97 { |
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98 iAccessoryObservers.Remove( pos ); |
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99 } |
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100 __VTPRINTEXIT( "AccHdr.RemoveObserver" ) |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // CVtEngAccessoryHandler::RegisterObserverL |
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105 // New accessory listener. |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 void CVtEngAccessoryHandler:: |
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109 RegisterObserverL( MVtEngAccessoryObserver* aObserver ) |
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110 { |
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111 __VTPRINTENTER( "AccHdr.RegisterObserverL" ) |
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112 TInt pos = iAccessoryObservers.Find( aObserver ); |
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113 if ( pos == KErrNotFound ) |
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114 { |
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115 User::LeaveIfError( iAccessoryObservers.Append( aObserver ) ); |
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116 } |
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117 __VTPRINTEXIT( "AccHdr.RegisterObserverL" ) |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CVtEngAccessoryHandler::RemoveAllObservers |
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122 // All observers off they go |
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123 // |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 void CVtEngAccessoryHandler::RemoveAllObservers() |
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127 { |
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128 iAccessoryObservers.ResetAndDestroy(); |
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129 iAccessoryObservers.Close(); |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CVtEngAccessoryHandler::StartListening |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 void CVtEngAccessoryHandler::StartListening() |
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137 { |
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138 iAccessoryMode.NotifyAccessoryModeChanged( iStatus, iMode ); |
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139 SetActive(); |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CVtEngAccessoryHandler::RunL |
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144 // From CActive. |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 void CVtEngAccessoryHandler::RunL() |
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148 { |
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149 __VTPRINTENTER( "AccHdr.RunL" ) |
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150 StartListening(); |
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151 NotifyObserversL(); |
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152 __VTPRINTEXIT( "AccHdr.RunL" ) |
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153 } |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 // CVtEngAccessoryHandler::DoCancel |
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157 // From CActive. |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CVtEngAccessoryHandler::DoCancel() |
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161 { |
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162 __VTPRINTENTER( "AccHdr.DoCancel" ) |
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163 iAccessoryMode.CancelNotifyAccessoryModeChanged(); |
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164 __VTPRINTEXIT( "AccHdr.DoCancel" ) |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CVtEngAccessoryHandler::RunError |
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169 // From CActive. |
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170 // ----------------------------------------------------------------------------- |
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171 // |
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172 TInt CVtEngAccessoryHandler::RunError( TInt /*aError*/ ) |
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173 { |
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174 __VTPRINTENTER( "AccHdr.RunError" ) |
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175 __VTPRINTEXIT( "AccHdr.RunError" ) |
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176 return KErrNone; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CVtEngAccessoryHandler::NotifyObserversL. |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CVtEngAccessoryHandler::NotifyObserversL() |
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184 { |
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185 const TInt obsCount( iAccessoryObservers.Count() ); |
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186 for ( TInt i = 0; i < obsCount; i++ ) |
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187 { |
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188 MVtEngAccessoryObserver* obs = iAccessoryObservers[ i ]; |
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189 if ( obs ) |
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190 { |
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191 obs->AccessoryModeChanged( |
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192 iMode.iAccessoryMode, iMode.iAudioOutputStatus ); |
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193 } |
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194 } |
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195 } |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CVtEngAccessoryHandler::CMonitor::AccessoryMode |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 TInt CVtEngAccessoryHandler:: |
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202 AccessoryMode( TAccPolAccessoryMode& aAccessoryMode) const |
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203 { |
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204 return iAccessoryMode.GetAccessoryMode( aAccessoryMode ); |
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205 } |
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206 |
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207 // end of file |