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1 /* |
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2 * Copyright (c) 2004 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: Implementation of the Source Doppler Proxy class |
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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 |
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21 // INCLUDE FILES |
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22 |
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23 #ifdef _DEBUG |
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24 #include <e32svr.h> |
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25 #endif |
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26 |
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27 #include "SourceDopplerProxy.h" |
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28 #include "SourceDopplerEventObserver.h" |
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29 #include <CustomInterfaceUtility.h> |
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30 |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CSourceDopplerProxy::CSourceDopplerProxy |
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36 // C++ default constructor can NOT contain any code, that |
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37 // might leave. |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CSourceDopplerProxy::CSourceDopplerProxy( |
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41 TMMFMessageDestinationPckg aMessageHandler, |
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42 MCustomCommand& aCustomCommand, |
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43 CCustomInterfaceUtility* aCustomInterfaceUtility ) |
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44 : iCustomCommand(&aCustomCommand), |
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45 iMessageHandler(aMessageHandler), |
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46 iCustomInterfaceUtility(aCustomInterfaceUtility) |
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47 |
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48 { |
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49 } |
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50 |
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51 // Destructor |
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52 CSourceDopplerProxy::~CSourceDopplerProxy() |
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53 { |
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54 // Remove the custom interface message handler before we destroy the proxy. |
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55 if(iCustomInterfaceUtility) |
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56 iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler); |
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57 delete iDopplerEventObserver; |
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58 delete iCustomInterfaceUtility; |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CSourceDopplerProxy::NewL |
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63 // Static function for creating an instance of the SourceDoppler object. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C CSourceDopplerProxy* CSourceDopplerProxy::NewL( |
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67 TMMFMessageDestinationPckg aMessageHandler, |
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68 MCustomCommand& aCustomCommand, |
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69 CCustomInterfaceUtility* aCustomInterfaceUtility ) |
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70 { |
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71 CSourceDopplerProxy* self = new (ELeave) CSourceDopplerProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility); |
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72 CleanupStack::PushL(self); |
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73 self->ConstructL(); |
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74 CleanupStack::Pop(self); |
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75 return self; |
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76 } |
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77 |
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78 // ----------------------------------------------------------------------------- |
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79 // CSourceDopplerProxy::ConstructL |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 void CSourceDopplerProxy::ConstructL() |
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83 { |
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84 iDopplerEventObserver = CSourceDopplerEventObserver::NewL(iMessageHandler, *iCustomCommand, *this); |
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85 StartObserver(); |
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86 |
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87 TEfDopplerDataPckg dataPckgFrom; |
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88 // sends a message to fetch initial data. |
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89 iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom); |
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90 SetEffectData(dataPckgFrom); |
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91 } |
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92 |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CSourceDopplerProxy::ApplyL |
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96 // Apply the SourceDoppler settings. |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 EXPORT_C void CSourceDopplerProxy::ApplyL() |
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100 { |
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101 #ifdef _DEBUG |
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102 RDebug::Print(_L("CSourceDopplerProxy::Apply")); |
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103 #endif |
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104 |
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105 if (iHaveUpdateRights ) |
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106 { |
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107 iDopplerData.iEnabled = iEnabled; |
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108 iDopplerData.iEnforced = iEnforced; |
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109 iDopplerData.iHaveUpdateRights = iHaveUpdateRights; |
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110 |
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111 iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfApply, DoEffectData(), KNullDesC8); |
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112 } |
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113 else |
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114 { |
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115 User::Leave(KErrAccessDenied); |
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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 // CSourceDopplerProxy::StartObserver |
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121 // Starts the event observer. The event observer monitors asynchronous events |
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122 // from the message handler. |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CSourceDopplerProxy::StartObserver() |
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126 { |
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127 #ifdef _DEBUG |
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128 RDebug::Print(_L("CSourceDopplerProxy::StartObserver")); |
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129 #endif |
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130 |
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131 iDopplerEventObserver->Start(); |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CSourceDopplerProxy::DopplerEvent |
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136 // Checks which data member has changed and notify the observers. |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CSourceDopplerProxy::SourceDopplerEvent( |
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140 const TDesC8& aBuffer ) |
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141 { |
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142 #ifdef _DEBUG |
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143 RDebug::Print(_L("CSourceDopplerProxy::SourceDopplerEvent")); |
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144 #endif |
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145 |
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146 TEfDopplerDataPckg dataPckgFrom; |
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147 dataPckgFrom.Copy(aBuffer); |
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148 TEfDoppler newDopplerData = dataPckgFrom(); |
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149 |
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150 TUint8 event = 0; |
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151 |
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152 if ( newDopplerData.iEnabled != iDopplerData.iEnabled ) |
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153 { |
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154 iDopplerData.iEnabled = newDopplerData.iEnabled; |
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155 iEnabled = newDopplerData.iEnabled; |
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156 if ( iDopplerData.iEnabled ) |
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157 { |
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158 event = MAudioEffectObserver::KEnabled; |
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159 } |
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160 else |
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161 { |
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162 event = MAudioEffectObserver::KDisabled; |
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163 } |
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164 } |
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165 else if ( newDopplerData.iEnforced != iDopplerData.iEnforced ) |
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166 { |
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167 iDopplerData.iEnforced = newDopplerData.iEnforced; |
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168 iEnforced = newDopplerData.iEnforced; |
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169 if ( iDopplerData.iEnforced ) |
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170 { |
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171 event = MAudioEffectObserver::KEnforced; |
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172 } |
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173 else |
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174 { |
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175 event = MAudioEffectObserver::KNotEnforced; |
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176 } |
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177 } |
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178 else if ( newDopplerData.iHaveUpdateRights != iDopplerData.iHaveUpdateRights ) |
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179 { |
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180 iDopplerData.iHaveUpdateRights = newDopplerData.iHaveUpdateRights; |
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181 iHaveUpdateRights = newDopplerData.iHaveUpdateRights; |
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182 if ( iDopplerData.iHaveUpdateRights ) |
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183 { |
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184 event = MAudioEffectObserver::KGainedUpdateRights; |
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185 } |
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186 else |
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187 { |
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188 event = MAudioEffectObserver::KLostUpdateRights; |
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189 } |
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190 } |
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191 |
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192 else if ( newDopplerData.iVelocityX != iDopplerData.iVelocityX ) |
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193 { |
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194 iDopplerData.iVelocityX = newDopplerData.iVelocityX; |
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195 event = MSourceDopplerObserver::KCartesianVelocityChanged; |
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196 } |
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197 else if ( newDopplerData.iVelocityY != iDopplerData.iVelocityY ) |
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198 { |
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199 iDopplerData.iVelocityY = newDopplerData.iVelocityY; |
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200 event = MSourceDopplerObserver::KCartesianVelocityChanged; |
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201 } |
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202 else if ( newDopplerData.iVelocityZ != iDopplerData.iVelocityZ ) |
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203 { |
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204 iDopplerData.iVelocityZ = newDopplerData.iVelocityZ; |
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205 event = MSourceDopplerObserver::KCartesianVelocityChanged; |
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206 } |
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207 else if ( newDopplerData.iAzimuth != iDopplerData.iAzimuth ) |
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208 { |
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209 iDopplerData.iAzimuth = newDopplerData.iAzimuth; |
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210 event = MSourceDopplerObserver::KSphericalVelocityChanged; |
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211 } |
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212 else if ( newDopplerData.iElevation != iDopplerData.iElevation ) |
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213 { |
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214 iDopplerData.iElevation = newDopplerData.iElevation; |
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215 event = MSourceDopplerObserver::KSphericalVelocityChanged; |
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216 } |
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217 else if ( newDopplerData.iRadius != iDopplerData.iRadius ) |
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218 { |
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219 iDopplerData.iRadius = newDopplerData.iRadius; |
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220 event = MSourceDopplerObserver::KSphericalVelocityChanged; |
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221 } |
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222 else if ( newDopplerData.iFactor != iDopplerData.iFactor ) |
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223 { |
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224 iDopplerData.iFactor = newDopplerData.iFactor; |
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225 event = MSourceDopplerObserver::KFactorChanged; |
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226 } |
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227 else if ( newDopplerData.iMaxFactor != iDopplerData.iMaxFactor ) |
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228 { |
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229 iDopplerData.iMaxFactor = newDopplerData.iMaxFactor; |
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230 event = MSourceDopplerObserver::KMaxFactorChanged; |
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231 } |
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232 |
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233 |
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234 if (!event) |
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235 return; |
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236 |
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237 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
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238 { |
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239 iObservers[i]->EffectChanged(this, event); |
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240 } |
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241 } |
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242 |
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243 |
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244 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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245 |
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246 // End of File |
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247 |