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1 /* |
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2 * Copyright (c) 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: Audio output msg handler 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 |
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20 // INCLUDE FILES |
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21 #include "AudioOutput.h" |
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22 #include "AudioOutputMessageHandler.h" |
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23 #include "AudioOutputMessageTypes.h" |
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24 #include "MAudioOutputObserver.h" |
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25 |
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26 //reason for defining this secure id here but not using from the mmfbase.hrh is that |
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27 //lot of macros in mmfbase.hrh collide with base.hrh |
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28 #define KUidMmfDrmPluginServerDefine 0x10283439 |
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29 |
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30 // ================= MEMBER FUNCTIONS ======================= |
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31 |
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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 CAudioOutputMessageHandler::CAudioOutputMessageHandler(CAudioOutput* aAudioOutput, |
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36 CMMFObjectContainer& aContainer) : |
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37 CMMFObject(KUidAudioOutput), |
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38 iContainer(aContainer) |
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39 { |
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40 iAudioOutput = aAudioOutput; |
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41 } |
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42 |
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43 // Two-phased constructor. |
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44 EXPORT_C CAudioOutputMessageHandler* CAudioOutputMessageHandler::NewL(TAny* aCustomInterface, |
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45 CMMFObjectContainer& aContainer) |
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46 { |
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47 CAudioOutput* audioOutput = (CAudioOutput*)aCustomInterface; |
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48 CAudioOutputMessageHandler* self = new (ELeave) CAudioOutputMessageHandler(audioOutput, |
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49 aContainer); |
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50 |
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51 self->ConstructL(); |
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52 return self; |
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53 } |
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54 |
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55 |
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56 // Destructor |
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57 CAudioOutputMessageHandler::~CAudioOutputMessageHandler() |
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58 { |
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59 delete iAudioOutput; |
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60 delete iCallbackMessage; |
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61 } |
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62 |
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63 |
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64 // --------------------------------------------------------- |
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65 // CAudioOutputMessageHandler::AudioOutputL |
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66 // ?implementation_description |
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67 // (other items were commented in a header). |
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68 // --------------------------------------------------------- |
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69 // |
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70 EXPORT_C TUid CAudioOutputMessageHandler::Uid() |
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71 { |
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72 return KUidAudioOutput; |
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73 } |
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74 |
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75 // --------------------------------------------------------- |
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76 // CAudioOutputMessageHandler::SetAudioOutputL |
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77 // ?implementation_description |
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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 void CAudioOutputMessageHandler::HandleRequest(TMMFMessage& aMessage) |
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82 { |
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83 ASSERT(aMessage.Destination().InterfaceId() == KUidAudioOutput); |
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84 TRAPD(error,DoHandleRequestL(aMessage)); |
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85 if(error) |
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86 { |
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87 aMessage.Complete(error); |
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88 } |
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89 } |
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90 |
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91 // --------------------------------------------------------- |
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92 // CAudioOutputMessageHandler::DoHandleRequestL |
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93 // ?implementation_description |
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94 // (other items were commented in a header). |
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95 // --------------------------------------------------------- |
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96 // |
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97 void CAudioOutputMessageHandler::DoHandleRequestL(TMMFMessage& aMessage) |
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98 { |
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99 |
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100 switch(aMessage.Function()) |
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101 { |
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102 case EAofDelete: |
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103 { |
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104 DoDeleteL(aMessage); |
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105 break; |
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106 } |
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107 case EAofRegisterObserver: |
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108 { |
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109 iCallbackMessage = new (ELeave) TMMFMessage( aMessage ); |
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110 DoRegisterObserverL(); |
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111 break; |
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112 } |
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113 case EAofSetAudioOutput: |
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114 { |
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115 DoSetAudioOutputL(aMessage); |
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116 break; |
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117 } |
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118 case EAofGetAudioOutput: |
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119 { |
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120 DoGetAudioOutputL(aMessage); |
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121 break; |
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122 } |
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123 case EAofSetSecureOutput: |
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124 { |
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125 DoSetSecureOutputL(aMessage); |
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126 break; |
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127 } |
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128 case EAofUnregisterObserver: |
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129 { |
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130 DoUnregisterObserverL(aMessage); |
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131 break; |
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132 } |
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133 default: |
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134 { |
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135 aMessage.Complete(KErrNotSupported); |
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136 } |
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137 } |
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138 } |
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139 |
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140 // --------------------------------------------------------- |
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141 // CAudioOutputMessageHandler::DoDeleteL |
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142 // ?implementation_description |
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143 // (other items were commented in a header). |
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144 // --------------------------------------------------------- |
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145 // |
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146 void CAudioOutputMessageHandler::DoDeleteL(TMMFMessage& aMessage) |
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147 { |
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148 aMessage.Complete(KErrNone); |
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149 iContainer.RemoveAndDestroyMMFObject(*this); |
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150 } |
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151 |
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152 // --------------------------------------------------------- |
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153 // CAudioOutputMessageHandler::DoRegisterObserverL |
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154 // ?implementation_description |
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155 // (other items were commented in a header). |
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156 // --------------------------------------------------------- |
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157 // |
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158 void CAudioOutputMessageHandler::DoRegisterObserverL() |
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159 { |
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160 iAudioOutput->RegisterObserverL(*this); |
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161 } |
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162 |
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163 // --------------------------------------------------------- |
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164 // CAudioOutputMessageHandler::DoSetAudioOutputL |
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165 // ?implementation_description |
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166 // (other items were commented in a header). |
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167 // --------------------------------------------------------- |
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168 // |
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169 void CAudioOutputMessageHandler::DoSetAudioOutputL(TMMFMessage& aMessage) |
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170 { |
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171 TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg; |
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172 aMessage.ReadData1FromClient(outputPckg); |
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173 CAudioOutput::TAudioOutputPreference output = outputPckg(); |
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174 iAudioOutput->SetAudioOutputL(output); |
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175 aMessage.Complete(KErrNone); |
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176 } |
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177 |
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178 // --------------------------------------------------------- |
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179 // CAudioOutputMessageHandler::DoSetSecureOutputL |
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180 // ?implementation_description |
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181 // (other items were commented in a header). |
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182 // --------------------------------------------------------- |
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183 // |
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184 void CAudioOutputMessageHandler::DoSetSecureOutputL(TMMFMessage& aMessage) |
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185 { |
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186 //Since we allow the creation of CAudioOutput from Custom interface builder. |
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187 //We have to make sure that this message is blocked in case we are running in Secure DRM process |
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188 const TSecureId KSecureDRMSID(KUidMmfDrmPluginServerDefine); |
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189 RThread currentThread; |
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190 RProcess currentProcess; |
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191 CleanupClosePushL(currentThread); |
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192 CleanupClosePushL(currentProcess); |
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193 User::LeaveIfError(currentThread.Process(currentProcess)); |
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194 TSecureId curProcessSID = currentProcess.SecureId(); |
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195 CleanupStack::PopAndDestroy();//calls currentThread.Close() |
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196 CleanupStack::PopAndDestroy();//calls currentProcess.Close() |
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197 if (curProcessSID == KSecureDRMSID) |
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198 { |
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199 //since we are in secure DRM process, completing request with KErrPermissionDenied. |
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200 aMessage.Complete(KErrPermissionDenied); |
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201 return; |
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202 } |
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203 TPckgBuf<TBool> secureOutputPckg; |
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204 aMessage.ReadData1FromClient(secureOutputPckg); |
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205 TBool secureOutput = secureOutputPckg(); |
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206 iAudioOutput->SetSecureOutputL(secureOutput); |
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207 aMessage.Complete(KErrNone); |
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208 } |
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209 |
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210 // --------------------------------------------------------- |
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211 // CAudioOutputMessageHandler::DoUnregisterObserverL |
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212 // ?implementation_description |
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213 // (other items were commented in a header). |
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214 // --------------------------------------------------------- |
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215 // |
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216 void CAudioOutputMessageHandler::DoUnregisterObserverL(TMMFMessage& aMessage) |
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217 { |
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218 iAudioOutput->UnregisterObserver(*this); |
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219 if ( iCallbackMessage ) |
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220 { |
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221 if ( !iCallbackMessage->IsCompleted() ) |
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222 { |
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223 iCallbackMessage->Complete(KErrNone); |
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224 } |
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225 } |
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226 aMessage.Complete(KErrNone); |
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227 delete iCallbackMessage; |
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228 iCallbackMessage = NULL; |
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229 } |
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230 |
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231 |
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232 // --------------------------------------------------------- |
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233 // CAudioOutputMessageHandler::DefaultAudioOutputChanged |
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234 // ?implementation_description |
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235 // (other items were commented in a header). |
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236 // --------------------------------------------------------- |
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237 // |
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238 void CAudioOutputMessageHandler::DefaultAudioOutputChanged( CAudioOutput& /*aAudioOutput*/, |
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239 CAudioOutput::TAudioOutputPreference aNewDefault ) |
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240 { |
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241 TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg(aNewDefault); |
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242 |
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243 if ( iCallbackMessage ) |
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244 { |
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245 if ( !iCallbackMessage->IsCompleted() ) |
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246 { |
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247 iCallbackMessage->WriteDataToClient( outputPckg ); |
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248 iCallbackMessage->Complete( KErrNone ); |
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249 } |
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250 } |
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251 delete iCallbackMessage; |
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252 iCallbackMessage = NULL; |
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253 } |
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254 |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // CAudioOutputMessageHandler::ConstructL |
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258 // Symbian 2nd phase constructor can leave. |
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259 // ----------------------------------------------------------------------------- |
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260 // |
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261 void CAudioOutputMessageHandler::ConstructL() |
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262 { |
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263 } |
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264 |
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265 // --------------------------------------------------------- |
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266 // CAudioOutputMessageHandler::DoSetAudioOutputL |
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267 // ?implementation_description |
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268 // (other items were commented in a header). |
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269 // --------------------------------------------------------- |
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270 // |
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271 void CAudioOutputMessageHandler::DoGetAudioOutputL(TMMFMessage& aMessage) |
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272 { |
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273 #ifdef _DEBUG |
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274 RDebug::Print(_L("CAudioOutputMessageHandler::DoGetAudioOutputL")); |
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275 #endif |
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276 CAudioOutput::TAudioOutputPreference outPut = iAudioOutput->AudioOutput(); |
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277 TPckgBuf<CAudioOutput::TAudioOutputPreference> outPutPckg(outPut); |
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278 aMessage.WriteDataToClient(outPutPckg); |
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279 aMessage.Complete(KErrNone); |
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280 } |
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281 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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282 |
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283 |
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284 |
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285 // End of File |