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1 // Copyright (c) 2005-2009 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 "MmfDevSoundCIMuxUtility.h" |
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17 #include <mmf/plugin/mmfdevsoundcustominterface.hrh> |
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18 #include <mmf/server/mmfdevsoundcustominterface.h> |
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19 #include <ecom/ecom.h> |
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20 #include <mm/mmpluginutils.h> |
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21 |
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22 const TInt KMuxTempBufferSize = 20; |
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23 |
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24 |
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25 CMMFDevSoundCIMuxUtility* CMMFDevSoundCIMuxUtility::NewL(MMMFDevSoundCustomInterfaceChannel* aCustomChannel) |
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26 { |
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27 CMMFDevSoundCIMuxUtility* self = new (ELeave) CMMFDevSoundCIMuxUtility(aCustomChannel); |
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28 CleanupStack::PushL(self); |
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29 self->ConstructL(); |
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30 CleanupStack::Pop(self); |
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31 return self; |
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32 } |
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33 |
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34 void CMMFDevSoundCIMuxUtility::ConstructL() |
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35 { |
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36 // nothing needed in this implementation |
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37 } |
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38 |
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39 CMMFDevSoundCIMuxUtility::~CMMFDevSoundCIMuxUtility() |
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40 { |
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41 iAsyncCustomCommandCleanup.ResetAndDestroy(); |
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42 iAsyncCustomCommandCleanup.Close(); |
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43 } |
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44 |
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45 // create a custom interface Mux implementation |
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46 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIMuxUtility::CreateCustomInterfaceMuxL(TUid aInterfaceId) |
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47 { |
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48 // The Uid of the plugin will be used as string for matching the best suitable plug in. |
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49 TInt uidAsInteger = aInterfaceId.iUid; |
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50 TBuf8<KMuxTempBufferSize> tempBuffer; |
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51 tempBuffer.Num(uidAsInteger, EHex); |
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52 TUid interfaceUid = {KUidDevSoundCustomInterfaceMux}; |
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53 |
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54 TUid destructorKey; |
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55 MMMFDevSoundCustomInterfaceMuxPlugin* self = |
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56 static_cast<MMMFDevSoundCustomInterfaceMuxPlugin*> |
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57 (MmPluginUtils::CreateImplementationL(interfaceUid, destructorKey, tempBuffer, KRomOnlyResolverUid)); |
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58 |
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59 // pass the destructor key so class can destroy itself |
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60 self->PassDestructorKey(destructorKey); |
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61 CleanupReleasePushL(*self); |
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62 |
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63 // attempt to construct the plugin |
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64 self->CompleteConstructL(this); |
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65 CleanupStack::Pop(); // self |
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66 |
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67 return self; |
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68 } |
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69 |
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70 |
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71 // from MMMFDevSoundCustomInterfaceMux interface |
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72 TInt CMMFDevSoundCIMuxUtility::OpenSlave(TUid aInterface, const TDesC8& aPackageBuf) |
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73 { |
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74 // 1. send openslave custom command to remote side |
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75 // 2. devsoundsession intercepts this custom command |
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76 // and creates / opens interface |
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77 TA3FCustomInterfaceCommand command; |
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78 command.iType = EMMFDevSoundCustomCommandCIOpenSlave; |
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79 command.iCommand = 0; // No custom command passed on an OpenSlave |
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80 command.iHandle = aInterface.iUid; |
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81 TPckgBuf<TA3FCustomInterfaceCommand> commandBuffer(command); |
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82 return iCustomChannel->SyncCustomCommand(KUidInterfaceMMFDevSound, commandBuffer, aPackageBuf, NULL); |
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83 } |
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84 |
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85 void CMMFDevSoundCIMuxUtility::CloseSlave(TInt aHandle) |
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86 { |
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87 // 1. send closeslave custom command to remote side |
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88 // 2. demuxplugin removes its handle for this interface |
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89 TA3FCustomInterfaceCommand command; |
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90 command.iType = EMMFDevSoundCustomCommandCICloseSlave; |
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91 command.iCommand = 0; // No custom command passed on a CloseSlave |
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92 command.iHandle = aHandle; |
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93 TPckgBuf<TA3FCustomInterfaceCommand> commandBuffer(command); |
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94 iCustomChannel->SyncCustomCommand(KUidInterfaceMMFDevSound, commandBuffer, KNullDesC8, NULL); |
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95 } |
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96 |
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97 |
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98 TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommand(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf) |
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99 { |
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100 TA3FCustomInterfaceCommand command; |
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101 command.iType = EMMFDevSoundCustomCommandCISendSlaveSyncCommand; |
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102 command.iCommand = aCommand; |
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103 command.iHandle = aHandle; |
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104 TPckgBuf<TA3FCustomInterfaceCommand> commandBuffer(command); |
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105 |
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106 return iCustomChannel->SyncCustomCommand(KUidInterfaceMMFDevSound, commandBuffer, aPackageBuf, NULL); |
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107 } |
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108 |
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109 TInt CMMFDevSoundCIMuxUtility::SendSlaveSyncCommandResult(TInt aHandle, TInt aCommand, const TDesC8& aPackageBuf, TDes8& aResultBuf) |
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110 { |
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111 TA3FCustomInterfaceCommand command; |
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112 command.iType = EMMFDevSoundCustomCommandCISendSlaveSyncCommandResult; |
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113 command.iCommand = aCommand; |
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114 command.iHandle = aHandle; |
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115 TPckgBuf<TA3FCustomInterfaceCommand> commandBuffer(command); |
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116 |
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117 return iCustomChannel->SyncCustomCommand(KUidInterfaceMMFDevSound, commandBuffer, aPackageBuf, &aResultBuf); |
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118 } |
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119 |
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120 void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommand(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf) |
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121 { |
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122 CAsyncCommandCleanup *ciMuxAsyncCommandCleanup=NULL; |
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123 TRAPD(err,ciMuxAsyncCommandCleanup = CAsyncCommandCleanup::NewL(this,iCustomChannel)); |
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124 TRequestStatus* status= &aStatus; |
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125 if(err == KErrNone) |
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126 { |
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127 err=iAsyncCustomCommandCleanup.Append(ciMuxAsyncCommandCleanup); |
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128 if(err == KErrNone) |
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129 { |
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130 ciMuxAsyncCommandCleanup->AsyncCustomCommand(EMMFDevSoundCustomCommandCISendSlaveAsyncCommand,aComPackage,aStatus,aPackageBuf,NULL); |
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131 } |
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132 else |
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133 { |
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134 User::RequestComplete(status,err); |
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135 delete ciMuxAsyncCommandCleanup; |
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136 return; |
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137 } |
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138 } |
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139 else |
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140 { |
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141 User::RequestComplete(status,err); |
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142 return; |
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143 } |
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144 |
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145 } |
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146 |
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147 void CMMFDevSoundCIMuxUtility::SendSlaveAsyncCommandResult(TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8& aResultBuf) |
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148 { |
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149 CAsyncCommandCleanup* ciMuxAsyncCommandCleanup=NULL; |
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150 TRAPD(err,ciMuxAsyncCommandCleanup = CAsyncCommandCleanup::NewL(this,iCustomChannel)); |
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151 TRequestStatus* status= &aStatus; |
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152 if(err == KErrNone) |
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153 { |
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154 err=iAsyncCustomCommandCleanup.Append(ciMuxAsyncCommandCleanup); |
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155 if(err == KErrNone) |
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156 { |
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157 ciMuxAsyncCommandCleanup->AsyncCustomCommand(EMMFDevSoundCustomCommandCISendSlaveAsyncCommandResult,aComPackage,aStatus,aPackageBuf,&aResultBuf); |
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158 } |
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159 else |
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160 { |
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161 User::RequestComplete(status,err); |
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162 delete ciMuxAsyncCommandCleanup; |
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163 return; |
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164 } |
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165 } |
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166 else |
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167 { |
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168 User::RequestComplete(status,err); |
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169 return; |
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170 } |
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171 } |
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172 |
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173 CMMFDevSoundCIMuxUtility::CMMFDevSoundCIMuxUtility(MMMFDevSoundCustomInterfaceChannel* aCustomChannel) |
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174 : iCustomChannel(aCustomChannel) |
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175 { |
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176 } |
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177 |
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178 void CMMFDevSoundCIMuxUtility::RemoveAsyncCommand(CAsyncCommandCleanup* aAsyncCustomCommandCleanup) |
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179 { |
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180 TInt index = iAsyncCustomCommandCleanup.Find(aAsyncCustomCommandCleanup); |
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181 __ASSERT_DEBUG( index != KErrNotFound,User::Invariant()); |
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182 if(index > KErrNotFound) |
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183 { |
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184 iAsyncCustomCommandCleanup.Remove(index); |
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185 iAsyncCustomCommandCleanup.Compress(); |
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186 } |
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187 return; |
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188 } |
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189 |
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190 CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup* CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::NewL(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel) |
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191 { |
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192 CAsyncCommandCleanup *self= new (ELeave) CAsyncCommandCleanup(aMuxUtility,aCustomChannel); |
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193 CleanupStack::PushL(self); |
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194 self->ConstructL(); |
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195 CleanupStack::Pop(self); |
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196 return self; |
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197 } |
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198 |
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199 void CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::ConstructL() |
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200 { |
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201 iCommandBuffer = new (ELeave) TPckgBuf<TA3FCustomInterfaceCommand>; |
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202 } |
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203 |
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204 CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::CAsyncCommandCleanup(CMMFDevSoundCIMuxUtility* aMuxUtility,MMMFDevSoundCustomInterfaceChannel* aCustomChannel) |
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205 :CActive(CActive::EPriorityStandard),iMuxUtility(aMuxUtility),iCustomChannel(aCustomChannel) |
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206 { |
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207 CActiveScheduler::Add(this); |
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208 } |
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209 |
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210 CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::~CAsyncCommandCleanup() |
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211 { |
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212 delete iCommandBuffer; |
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213 Cancel(); |
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214 } |
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215 |
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216 void CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::AsyncCustomCommand(CMMFDevSoundCIMuxUtility::TMMFDevSoundCustomCommand aType,TMMFDevSoundCustomInterfaceCommandPackage& aComPackage, TRequestStatus& aStatus, const TDesC8& aPackageBuf, TDes8* aResultBuf) |
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217 { |
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218 iClientRequestStatus = &aStatus; |
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219 |
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220 (*iCommandBuffer)().iType = aType; |
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221 (*iCommandBuffer)().iCommand = aComPackage().iCommand; |
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222 (*iCommandBuffer)().iHandle = aComPackage().iHandle; |
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223 *iClientRequestStatus = KRequestPending; |
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224 iCustomChannel->AsyncCustomCommand(KUidInterfaceMMFDevSound,iStatus, *iCommandBuffer, aPackageBuf, aResultBuf); |
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225 SetActive(); |
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226 } |
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227 |
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228 void CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::RunL() |
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229 { |
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230 if(iClientRequestStatus) |
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231 { |
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232 User::RequestComplete(iClientRequestStatus,iStatus.Int()); |
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233 } |
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234 iClientRequestStatus = NULL; |
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235 iMuxUtility->RemoveAsyncCommand(this); |
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236 delete this; |
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237 } |
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238 |
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239 void CMMFDevSoundCIMuxUtility::CAsyncCommandCleanup::DoCancel() |
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240 { |
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241 |
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242 } |