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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: Haptics server session implementation. |
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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 "hwrmhapticssession.h" |
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20 #include "hwrmhapticsserver.h" |
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21 #include "hwrmhapticsservice.h" |
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22 #include "hwrmhapticstrace.h" |
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23 |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // C++ constructor |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 CHWRMHapticsSession::CHWRMHapticsSession() |
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30 { |
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31 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::CHWRMHapticsSession()" ) ) ); |
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32 } |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // Two-phased constructor. |
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36 // --------------------------------------------------------------------------- |
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37 // |
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38 CHWRMHapticsSession* CHWRMHapticsSession::NewL() |
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39 { |
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40 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::NewL()" ) ) ); |
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41 |
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42 CHWRMHapticsSession* self = new ( ELeave ) CHWRMHapticsSession(); |
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43 |
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44 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::NewL - return 0x%x" ), self ) ); |
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45 |
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46 return self; |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // CreateL calls server's AddSession to increment session count. |
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51 // This method is called by CServer2 when creating new session. |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 void CHWRMHapticsSession::CreateL() |
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55 { |
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56 MyServer().AddSession(); |
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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 // This method is called by CServer2 when disconnecting the session. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 void CHWRMHapticsSession::Disconnect(const RMessage2& aMessage) |
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65 { |
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66 // close device as client may fail to call CloseActuator() |
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67 if ( iService ) |
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68 { |
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69 TRAP_IGNORE( iService->ExecuteMessageL( aMessage ) ); |
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70 } |
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71 CSession2::Disconnect( aMessage ); |
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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 // Destructor |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CHWRMHapticsSession::~CHWRMHapticsSession() |
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80 { |
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81 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::~CHWRMHapticsSession()" ) ) ); |
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82 |
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83 delete iService; |
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84 iService = NULL; |
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85 |
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86 // reduce the amount of session the server is handling |
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87 MyServer().DropSession(); |
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88 |
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89 |
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90 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::~CHWRMHapticsSession - return" ) ) ); |
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91 } |
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92 |
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93 // --------------------------------------------------------------------------- |
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94 // Calls request handling functions. Also traps any leaves and signals |
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95 // client if error occurs. |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CHWRMHapticsSession::ServiceL( const RMessage2& aMessage ) |
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99 { |
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100 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::ServiceL(0x%x)" ), aMessage.Handle() ) ); |
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101 |
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102 // Reset completion need flag |
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103 iCompletionNeeded = ETrue; |
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104 |
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105 TRAPD( error, DispatchMessageL( aMessage ) ); |
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106 |
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107 if ( error != KErrNone ) |
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108 { |
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109 COMPONENT_TRACE( ( _L("CHWRMHapticsSession::ServiceL(): Error in DispatchMessageL: %d"), error ) ); |
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110 iCompletionNeeded = ETrue; |
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111 } |
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112 |
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113 if ( iCompletionNeeded ) |
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114 { |
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115 aMessage.Complete( error ); |
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116 } |
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117 |
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118 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::ServiceL - return" )) ); |
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119 } |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // Handles commands received in RMessage2. |
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123 // --------------------------------------------------------------------------- |
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124 // |
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125 void CHWRMHapticsSession::DispatchMessageL( const RMessage2& aMessage ) |
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126 { |
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127 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::DispatchMessageL(0x%x), client SID: 0x%x" ), aMessage.Function(), aMessage.SecureId().iId ) ); |
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128 |
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129 // Check command code and call appropriate function |
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130 if ( EHWRMHapticsService == aMessage.Function() ) |
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131 { |
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132 if ( iService ) |
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133 { |
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134 User::Leave( KErrAlreadyExists ); |
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135 } |
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136 |
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137 // Initialize haptics. This will initialize plugin manager, |
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138 // recervation handler and common data |
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139 MyServer().InitHaptics(); |
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140 |
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141 // get a pointer to the plugin manager |
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142 CHWRMHapticsPluginManager* pluginHandler = |
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143 MyServer().PluginManager(); |
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144 |
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145 // get a pointer to the reservation handler |
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146 CHWRMHapticsReservationHandler* reservationHandler = |
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147 MyServer().ReservationHandler(); |
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148 |
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149 // get a pointer to the common data |
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150 CHWRMHapticsCommonData* hapticsCommonData = |
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151 MyServer().HapticsCommonData(); |
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152 |
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153 // if handlers or common data is NULL, this resource is not supported |
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154 // by device |
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155 if ( !pluginHandler || !reservationHandler || !hapticsCommonData ) |
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156 { |
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157 User::Leave( KErrNotSupported ); |
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158 } |
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159 else |
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160 { |
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161 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::DispatchMessageL - creating iService" )) ); |
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162 |
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163 // create haptics service |
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164 iService = CHWRMHapticsService::NewL( pluginHandler, |
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165 reservationHandler, |
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166 *hapticsCommonData, |
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167 aMessage ); |
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168 } |
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169 } |
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170 else // Cannot identify the message, it must be for service. |
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171 { |
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172 if ( iService ) |
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173 { |
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174 iCompletionNeeded = iService->ExecuteMessageL( aMessage ); |
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175 } |
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176 else |
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177 { |
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178 // iService not yet created |
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179 User::Leave( KErrBadHandle ); |
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180 } |
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181 } |
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182 |
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183 COMPONENT_TRACE( ( _L( "CHWRMHapticsSession::DispatchMessageL - return" ) ) ); |
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184 } |
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185 |
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186 // --------------------------------------------------------------------------- |
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187 // Convenience method for returning a reference to the Server object that |
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188 // created this session |
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189 // --------------------------------------------------------------------------- |
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190 // |
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191 CHWRMHapticsServer& CHWRMHapticsSession::MyServer() |
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192 { |
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193 return *static_cast<CHWRMHapticsServer*>( |
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194 const_cast<CServer2*>( CSession2::Server() ) ); |
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195 } |
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196 |
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197 // End of File |