1 /** @file |
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2 * Copyright (c) 2005-2006 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: CUpnpStateUpdateHandler |
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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 FILES |
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20 #include "upnpstateupdatehandler.h" |
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21 #include "upnpavcpstring.h" |
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22 |
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23 // CONSTANTS |
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24 using namespace UpnpAVCPStrings; |
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25 // ================= MEMBER FUNCTIONS ======================= |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CUpnpStateUpdateHandler::CUpnpStateUpdateHandler |
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29 // C++ default constructor can NOT contain any code, that |
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30 // might leave. |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 CUpnpStateUpdateHandler::CUpnpStateUpdateHandler( |
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34 MUpnpAVControlPointObserver& aAVCPObserver, |
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35 CUpnpAVControlPoint& aAVCP ) |
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36 :iAVControlPointObserver( aAVCPObserver ), iAVCP( aAVCP ) |
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37 { |
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38 } |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CUpnpStateUpdateHandler::ConstructL |
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42 // Symbian 2nd phase constructor can leave. |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 void CUpnpStateUpdateHandler::ConstructL() |
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46 { |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CSuperDir::NewL |
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51 // Two-phased constructor. |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CUpnpStateUpdateHandler* CUpnpStateUpdateHandler::NewL( |
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55 MUpnpAVControlPointObserver& aAVCPObserver, |
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56 CUpnpAVControlPoint& aAVCP ) |
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57 { |
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58 CUpnpStateUpdateHandler* self = new (ELeave) CUpnpStateUpdateHandler( |
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59 aAVCPObserver, aAVCP ); |
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60 CleanupStack::PushL( self ); |
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61 self->ConstructL(); |
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62 CleanupStack::Pop( self ); |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CUpnpStateUpdateHandler::~CUpnpStateUpdateHandler |
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68 // Destructor |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CUpnpStateUpdateHandler::~CUpnpStateUpdateHandler() |
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72 { |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CUpnpStateUpdateHandler::ContentDirectoryStateUpdated |
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77 // In this function are update events from content directory handled. |
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78 // (other items were commented in a header) |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 TInt CUpnpStateUpdateHandler::ContentDirectoryStateUpdated( CUpnpDevice& aDevice, |
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82 CUpnpService*& aService) |
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83 { |
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84 CUpnpStateVariable* systemUpdateId = |
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85 aService->StateVariable( KSystemUpdateID ); |
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86 CUpnpStateVariable* containerUpdateIds = |
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87 aService->StateVariable( KContainerUpdateIDs ); |
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88 CUpnpStateVariable* transferIds = |
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89 aService->StateVariable( KTransferIds ); |
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90 |
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91 if( !(systemUpdateId || containerUpdateIds || transferIds) ) |
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92 { |
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93 return KErrArgument; |
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94 } |
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95 |
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96 // |
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97 if( systemUpdateId ) |
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98 { |
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99 TLex8 updateidLex( systemUpdateId->Value() ); |
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100 TInt systemUpdate; |
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101 updateidLex.Val( systemUpdate ); |
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102 iAVControlPointObserver.CdsUpdateEvent( |
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103 aDevice.Uuid(), |
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104 systemUpdate |
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105 ); |
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106 } |
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107 if( containerUpdateIds ) |
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108 { |
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109 iAVControlPointObserver.CdsContainerEvent( |
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110 aDevice.Uuid(), |
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111 containerUpdateIds->Value() |
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112 ); |
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113 } |
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114 if( transferIds ) |
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115 { |
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116 iAVControlPointObserver.CdsTransferEvent( |
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117 aDevice.Uuid(), |
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118 transferIds->Value() |
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119 ); |
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120 } |
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121 return KErrNone; |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CUpnpStateUpdateHandler::StateUpdatedL |
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126 // This is the place to start handling state updates |
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127 // (other items were commented in a header) |
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128 // ----------------------------------------------------------------------------- |
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129 // |
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130 TInt CUpnpStateUpdateHandler::StateUpdated(CUpnpService*& aService) |
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131 { |
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132 TInt err( KErrNone ); |
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133 CUpnpDevice& device = aService->Device(); |
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134 if (aService->ServiceType().Match( KRenderingControl ) != KErrNotFound ) |
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135 { |
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136 err = RenderingControlStateUpdated( device, aService ); |
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137 } |
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138 else if (aService->ServiceType().Match( KConnectionManager ) != KErrNotFound ) |
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139 { |
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140 err = ConnectionManagerStateUpdated( device, aService ); |
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141 } |
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142 else if (aService->ServiceType().Match( KAVTransport ) != KErrNotFound ) |
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143 { |
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144 err = AVTransportStateUpdated( device, aService ); |
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145 } |
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146 else if (aService->ServiceType().Match( KContentDirectory ) != KErrNotFound ) |
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147 { |
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148 err = ContentDirectoryStateUpdated( device, aService ); |
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149 } |
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150 else |
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151 { |
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152 err = KErrGeneral; |
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153 } |
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154 return err; |
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155 |
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156 } |
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157 // ----------------------------------------------------------------------------- |
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158 // CUpnpStateUpdateHandler::RenderingControlStateUpdated |
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159 // In this function are rendering control events are handled. |
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160 // (other items were commented in a header) |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 TInt CUpnpStateUpdateHandler::RenderingControlStateUpdated( CUpnpDevice& aDevice, |
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164 CUpnpService*& aService ) |
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165 { |
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166 CUpnpStateVariable* lastChange = aService->StateVariable( KLastChange ); |
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167 if( !lastChange ) |
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168 { |
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169 return KErrArgument; |
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170 } |
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171 else |
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172 { |
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173 iAVControlPointObserver.RcLastChangeEvent( |
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174 aDevice.Uuid(), |
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175 lastChange->Value() |
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176 ); |
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177 return KErrNone; |
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178 } |
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179 } |
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180 // ----------------------------------------------------------------------------- |
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181 // CUpnpStateUpdateHandler::KAVTransportStateUpdatedL |
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182 // In this function are updates for mediarenderer handled. |
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183 // (other items were commented in a header) |
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184 // ----------------------------------------------------------------------------- |
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185 // |
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186 TInt CUpnpStateUpdateHandler::AVTransportStateUpdated( CUpnpDevice& aDevice, |
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187 CUpnpService*& aService ) |
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188 { |
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189 CUpnpStateVariable* lastChange = aService->StateVariable( KLastChange ); |
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190 if( !lastChange ) |
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191 { |
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192 return KErrArgument; |
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193 } |
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194 else |
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195 { |
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196 iAVControlPointObserver.AvtLastChangeEvent( |
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197 aDevice.Uuid(), |
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198 lastChange->Value() |
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199 ); |
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200 return KErrNone; |
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201 } |
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202 } |
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203 // ----------------------------------------------------------------------------- |
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204 // CUpnpStateUpdateHandler::ConnectionManagerStateUpdated |
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205 // In this function are update events from rendering control handled. |
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206 // (other items were commented in a header) |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 TInt CUpnpStateUpdateHandler::ConnectionManagerStateUpdated(CUpnpDevice& aDevice, |
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210 CUpnpService*& aService) |
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211 { |
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212 CUpnpStateVariable* source = |
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213 aService->StateVariable( KSourceProtocolInfo ); |
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214 CUpnpStateVariable* sink = |
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215 aService->StateVariable( KSinkProtocolInfo ); |
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216 CUpnpStateVariable* connections = |
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217 aService->StateVariable( KCurrentConnectionIds ); |
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218 |
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219 if( !(source || sink || connections) ) |
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220 { |
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221 return KErrArgument; |
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222 } |
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223 |
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224 if( source ) |
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225 { |
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226 iAVControlPointObserver.CmSourceEvent( |
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227 aDevice.Uuid(), |
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228 source->Value() |
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229 ); |
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230 } |
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231 if( sink ) |
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232 { |
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233 iAVControlPointObserver.CmSinkEvent( |
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234 aDevice.Uuid(), |
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235 sink->Value() |
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236 ); |
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237 } |
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238 if( connections ) |
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239 { |
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240 iAVControlPointObserver.CmConnectionsEvent( |
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241 aDevice.Uuid(), |
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242 connections->Value() |
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243 ); |
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244 } |
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245 |
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246 return KErrNone; |
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247 } |
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248 |
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