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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <e32math.h> |
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17 #include "MmfDevSoundServer.h" |
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18 #include "MmfDevSoundServerStart.h" |
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19 #include "MmfDevSoundSession.h" |
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20 |
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21 const TInt KDevSoundShutDownDelay = 0; //0 sec |
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22 _LIT(KMMFDevSoundServerName, "MMFDevSoundServer-"); |
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23 |
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24 |
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25 |
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26 EXPORT_C CMMFDevSoundServer* CMMFDevSoundServer::NewL(CMMFAudioServer* aAudioServer, TProcessId& aClientPID) |
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27 { |
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28 CMMFDevSoundServer* s = new(ELeave) CMMFDevSoundServer(aAudioServer, aClientPID); |
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29 CleanupStack::PushL(s); |
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30 s->ConstructL(); |
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31 CleanupStack::Pop(); |
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32 return s; |
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33 } |
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34 |
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35 CMMFDevSoundServer::CMMFDevSoundServer(CMMFAudioServer* aAudioServer, TProcessId& aClientPID) : |
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36 CMmfIpcServer(EPriorityStandard, EGlobalSharableSessions), iClientPID(aClientPID) |
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37 { |
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38 iAudioServer = aAudioServer; |
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39 } |
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40 |
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41 void CMMFDevSoundServer::ConstructL() |
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42 { |
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43 RProcess client; |
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44 User::LeaveIfError(client.Open(iClientPID)); |
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45 iClientHasCaps = client.HasCapability(ECapabilityMultimediaDD, KSuppressPlatSecDiagnostic); |
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46 client.Close(); |
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47 |
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48 iDelayDevSoundShutDown = CDelayDevSoundShutDown::NewL(); |
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49 |
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50 // Call base class to Start server |
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51 StartL(KNullDesC); |
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52 } |
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53 |
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54 CMMFDevSoundServer::~CMMFDevSoundServer() |
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55 { |
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56 if (iDelayDevSoundShutDown) |
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57 { |
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58 iDelayDevSoundShutDown->Cancel(); |
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59 delete iDelayDevSoundShutDown; |
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60 } |
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61 } |
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62 |
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63 CMmfIpcSession* CMMFDevSoundServer::NewSessionL(const TVersion& aVersion) const |
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64 { |
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65 TVersion v(KMMFDevSoundServerVersion,KMMFDevSoundServerMinorVersionNumber,KMMFDevSoundServerBuildVersionNumber); |
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66 if(!User::QueryVersionSupported(v, aVersion)) |
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67 User::Leave(KErrNotSupported); |
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68 |
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69 CMMFDevSoundSession* devSoundSession = CMMFDevSoundSession::NewL(iAudioServer->PolicyServerHandle()); |
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70 return devSoundSession; |
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71 } |
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72 |
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73 void CMMFDevSoundServer::IncrementSessionId() |
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74 { |
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75 iDevSoundSessionId++; |
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76 if(iDevSoundSessionId) |
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77 iDelayDevSoundShutDown->Cancel(); |
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78 |
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79 } |
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80 |
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81 void CMMFDevSoundServer::DecrementSessionId() |
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82 { |
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83 iDevSoundSessionId--; |
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84 if ( iDevSoundSessionId == 0 ) |
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85 { |
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86 iDelayDevSoundShutDown->SetDelay(TTimeIntervalMicroSeconds32(KDevSoundShutDownDelay)); |
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87 } |
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88 } |
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89 |
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90 void CMMFDevSoundServer::SendEventToClient(TInt aSessionToAlert, TInt /*aSessionToBeLaunched*/) |
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91 { |
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92 // For the session requested, send event to client |
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93 iSessionIter.SetToFirst(); |
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94 CMMFDevSoundSession* session = static_cast<CMMFDevSoundSession*>(iSessionIter++); |
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95 while (session != NULL) |
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96 { |
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97 if (session->DevSoundSessionId() == aSessionToAlert) |
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98 { |
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99 break; // Finished |
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100 } |
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101 session = static_cast<CMMFDevSoundSession*>(iSessionIter++); |
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102 } |
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103 } |
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104 |
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105 void CMMFDevSoundServer::LaunchRequest(TInt aSessionId) |
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106 { |
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107 iSessionIter.SetToFirst(); |
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108 CMMFDevSoundSession* session = static_cast<CMMFDevSoundSession*>(iSessionIter++); |
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109 while (session != NULL) |
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110 { |
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111 if (session->DevSoundSessionId() == aSessionId) |
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112 { |
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113 break; // Finished |
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114 } |
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115 session = static_cast<CMMFDevSoundSession*>(iSessionIter++); |
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116 } |
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117 } |
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118 |
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119 TBool CMMFDevSoundServer::CheckClientCapabilities() |
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120 { |
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121 return iClientHasCaps; |
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122 } |
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123 |
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124 void CMMFDevSoundServer::SetClientCapabilitiesL(TThreadId aTid) |
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125 { |
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126 RThread clientThread; |
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127 User::LeaveIfError(clientThread.Open(aTid)); |
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128 CleanupClosePushL(clientThread); |
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129 |
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130 RProcess clientProcess; |
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131 User::LeaveIfError(clientThread.Process(clientProcess)); |
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132 CleanupClosePushL(clientProcess); |
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133 |
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134 iClientHasCaps = clientProcess.HasCapability(ECapabilityMultimediaDD, KSuppressPlatSecDiagnostic); |
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135 |
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136 CleanupStack::PopAndDestroy(2, &clientThread); // clientProcess, clientThread |
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137 } |
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138 |
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139 void CMMFDevSoundServer::RenamePrioritizeServer() |
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140 { |
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141 //Rename devsound server name |
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142 RThread devsoundServerThread; |
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143 TThreadId threadId; |
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144 TName name; |
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145 name.Append(KMMFDevSoundServerName); |
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146 threadId = devsoundServerThread.Id(); |
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147 name.AppendNum(threadId.Id(),EHex); |
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148 //We are ignoring the error code returned from User::RenameThread |
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149 //as it is not important here, may be for profiling |
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150 User::RenameThread(name); |
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151 |
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152 //Set the devsound priority |
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153 TThreadPriority devsoundServerPriority = static_cast<TThreadPriority>(KDevsoundServerPriority); |
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154 devsoundServerThread.SetPriority(devsoundServerPriority); |
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155 } |
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156 |
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157 CMMFDevSoundServer::CDelayDevSoundShutDown* CMMFDevSoundServer::CDelayDevSoundShutDown::NewL() |
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158 { |
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159 CDelayDevSoundShutDown* self = new(ELeave) CDelayDevSoundShutDown; |
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160 CleanupStack::PushL(self); |
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161 self->ConstructL(); |
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162 CleanupStack::Pop(); |
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163 return self; |
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164 } |
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165 |
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166 CMMFDevSoundServer::CDelayDevSoundShutDown::CDelayDevSoundShutDown() : CActive(0) |
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167 { |
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168 } |
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169 |
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170 void CMMFDevSoundServer::CDelayDevSoundShutDown::ConstructL() |
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171 { |
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172 User::LeaveIfError(iTimer.CreateLocal()); |
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173 CActiveScheduler::Add(this); |
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174 } |
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175 |
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176 CMMFDevSoundServer::CDelayDevSoundShutDown::~CDelayDevSoundShutDown() |
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177 { |
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178 Cancel(); |
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179 iTimer.Close(); |
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180 } |
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181 |
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182 |
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183 void CMMFDevSoundServer::CDelayDevSoundShutDown::SetDelay(TTimeIntervalMicroSeconds32 aDelay) |
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184 { |
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185 __ASSERT_ALWAYS(!IsActive(), |
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186 User::Panic(_L("CDelayedShutDown"), 1)); |
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187 iTimer.After(iStatus, aDelay); |
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188 SetActive(); |
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189 } |
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190 |
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191 void CMMFDevSoundServer::CDelayDevSoundShutDown::RunL() |
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192 { |
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193 CActiveScheduler::Stop(); |
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194 } |
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195 |
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196 void CMMFDevSoundServer::CDelayDevSoundShutDown::DoCancel() |
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197 { |
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198 iTimer.Cancel(); |
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199 } |
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200 |
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201 /** |
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202 @internalTechnology |
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203 |
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204 This function raises a panic on the client of the devsoundserver |
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205 |
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206 @param aError |
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207 one of the several panic codes that may be raised by this dll on the client |
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208 |
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209 @panic EMMFDevSoundPlayDataWithoutInitialize is raised when playdata is called without initialization |
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210 @panic EMMFDevSoundRecordDataWithoutInitialize is raised when recorddata is called without initialization |
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211 */ |
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212 GLDEF_C void PanicClient(const RMmfIpcMessage& aMessage, TMMFDevSoundClientPanicCodes aPanicCode) |
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213 { |
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214 aMessage.Panic(KMMFDevSoundClientPanicCategory, aPanicCode); |
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215 } |