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1 // Copyright (c) 2006-2009 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 "cmmfdevsoundcifileblocklengthimpluid.hrh" |
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17 |
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18 #include <ecom/implementationproxy.h> |
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19 #include <ecom/implementationproxy.h> |
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20 #include <ecom/ecom.h> |
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21 #include <s32mem.h> |
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22 |
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23 #include "cmmfdevsoundcifileblocklength.h" |
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24 |
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25 // __________________________________________________________________________ |
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26 // Implementation |
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27 |
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28 // MUX // |
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29 |
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30 TInt CMMFDevSoundCIFileBlockLengthMux::OpenInterface(TUid /*aInterfaceId*/) |
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31 { |
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32 // attempt to open the interface link with the |
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33 // remote slave device |
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34 iRemoteHandle = -1; |
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35 TUid slaveId = {KMmfUidCIFileBlockLengthDeMux}; |
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36 |
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37 TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8); |
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38 if (handle >= 0) |
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39 { |
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40 iRemoteHandle = handle; |
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41 } |
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42 |
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43 return iRemoteHandle; |
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44 } |
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45 |
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46 void CMMFDevSoundCIFileBlockLengthMux::Release() |
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47 { |
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48 // close the slave device if it exists |
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49 if (iRemoteHandle != -1) |
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50 { |
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51 // we assume the slave is closed correctly |
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52 iUtility->CloseSlave(iRemoteHandle); |
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53 } |
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54 |
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55 TUid key = iKey; |
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56 delete this; |
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57 |
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58 // tell ECom to destroy us |
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59 REComSession::DestroyedImplementation(key); |
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60 } |
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61 |
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62 void CMMFDevSoundCIFileBlockLengthMux::PassDestructorKey(TUid aDestructorKey) |
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63 { |
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64 // store the destructor key |
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65 iKey = aDestructorKey; |
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66 } |
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67 |
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68 void CMMFDevSoundCIFileBlockLengthMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility) |
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69 { |
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70 // store a pointer to the utility |
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71 iUtility = aCustomUtility; |
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72 } |
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73 |
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74 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIFileBlockLengthMux::NewL() |
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75 { |
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76 CMMFDevSoundCIFileBlockLengthMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthMux; |
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77 return self; |
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78 } |
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79 |
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80 TAny* CMMFDevSoundCIFileBlockLengthMux::CustomInterface(TUid /*aInterfaceId*/) |
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81 { |
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82 MMMFDevSoundCustomInterfaceFileBlockLength* interface = this; |
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83 return interface; |
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84 } |
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85 |
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86 CMMFDevSoundCIFileBlockLengthMux::CMMFDevSoundCIFileBlockLengthMux() : |
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87 iRemoteHandle(-1) |
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88 { |
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89 } |
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90 |
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91 CMMFDevSoundCIFileBlockLengthMux::~CMMFDevSoundCIFileBlockLengthMux() |
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92 { |
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93 } |
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94 |
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95 // from MMMFDevSoundCustomInterfaceFileBlockLength |
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96 |
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97 void CMMFDevSoundCIFileBlockLengthMux::SetFileBlockLength(TUint aBlockAlign) |
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98 { |
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99 if (iRemoteHandle == -1) |
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100 { |
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101 return; |
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102 } |
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103 |
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104 // send the BlockAlign in the sync command |
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105 TPckgBuf<TUint> blockAlignBuffer(aBlockAlign); |
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106 |
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107 iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBlockLengthSetFileBlockLength, blockAlignBuffer); |
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108 } |
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109 |
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110 // DEMUX // |
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111 |
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112 |
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113 TInt CMMFDevSoundCIFileBlockLengthDeMux::OpenInterface(TUid /*aInterfaceId*/) |
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114 { |
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115 return KErrNone; |
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116 } |
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117 |
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118 void CMMFDevSoundCIFileBlockLengthDeMux::Release() |
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119 { |
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120 TUid key = iKey; |
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121 |
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122 delete this; |
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123 |
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124 // tell ECom to destroy us |
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125 REComSession::DestroyedImplementation(key); |
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126 } |
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127 |
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128 void CMMFDevSoundCIFileBlockLengthDeMux::PassDestructorKey(TUid aDestructorKey) |
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129 { |
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130 // store the destructor key |
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131 iKey = aDestructorKey; |
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132 } |
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133 |
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134 void CMMFDevSoundCIFileBlockLengthDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget) |
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135 { |
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136 iTarget = aTarget; |
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137 } |
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138 |
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139 void CMMFDevSoundCIFileBlockLengthDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility) |
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140 { |
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141 // store a pointer to the utility |
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142 iUtility = aCustomUtility; |
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143 } |
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144 |
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145 void CMMFDevSoundCIFileBlockLengthDeMux::RefreshL() |
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146 { |
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147 // refetch the fileblocklength custom interface if we already have a target |
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148 if (iTarget) |
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149 { |
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150 MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL; |
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151 ptr = static_cast<MMMFDevSoundCustomInterfaceFileBlockLength*>(iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength)); |
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152 |
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153 if (!ptr) |
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154 { |
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155 iFileBlockLengthInterface = NULL; |
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156 User::Leave(KErrNotSupported); |
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157 } |
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158 else |
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159 { |
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160 iFileBlockLengthInterface = ptr; |
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161 } |
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162 } |
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163 } |
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164 |
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165 |
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166 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDevSoundCIFileBlockLengthDeMux::NewL() |
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167 { |
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168 CMMFDevSoundCIFileBlockLengthDeMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthDeMux; |
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169 return self; |
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170 } |
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171 |
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172 CMMFDevSoundCIFileBlockLengthDeMux::CMMFDevSoundCIFileBlockLengthDeMux() |
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173 { |
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174 } |
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175 |
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176 CMMFDevSoundCIFileBlockLengthDeMux::~CMMFDevSoundCIFileBlockLengthDeMux() |
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177 { |
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178 } |
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179 |
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180 |
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181 TInt CMMFDevSoundCIFileBlockLengthDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/) |
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182 { |
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183 // fetch the fileblocklength custom interface |
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184 MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL; |
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185 ptr = static_cast <MMMFDevSoundCustomInterfaceFileBlockLength*> (iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength)); |
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186 |
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187 if (!ptr) |
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188 { |
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189 iFileBlockLengthInterface = NULL; |
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190 User::Leave(KErrNotSupported); |
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191 } |
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192 else |
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193 { |
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194 iFileBlockLengthInterface = ptr; |
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195 } |
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196 return KErrNone; |
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197 } |
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198 |
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199 void CMMFDevSoundCIFileBlockLengthDeMux::DoCloseSlaveL(TInt /*aHandle*/) |
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200 { |
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201 // nothing to do |
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202 } |
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203 |
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204 // original RMessage is supplied so that remote demux plugin can extract necessary details |
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205 // using DeMux utility |
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206 TInt CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage) |
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207 { |
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208 TMMFDevSoundCIMessageData data; |
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209 |
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210 // decode message |
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211 iUtility->GetSyncMessageDataL(aMessage, data); |
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212 TInt retVal = -1; |
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213 |
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214 switch (data.iCommand) |
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215 { |
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216 case EMMFDevSoundCIBlockLengthSetFileBlockLength: |
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217 { |
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218 // we know that offset 2 contains a TInt |
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219 TPckgBuf<TUint> blockAlignBuffer; |
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220 iUtility->ReadFromInputDesL(aMessage, &blockAlignBuffer); |
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221 |
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222 DoSetFileBlockLengthL(blockAlignBuffer()); |
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223 retVal = KErrNone; |
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224 break; |
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225 } |
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226 |
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227 default: |
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228 { |
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229 User::Leave(KErrNotSupported); |
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230 } |
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231 } |
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232 |
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233 return retVal; |
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234 } |
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235 |
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236 TInt CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) |
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237 { |
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238 return KErrNotSupported; |
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239 } |
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240 |
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241 void CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/) |
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242 { |
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243 // not used in this interface |
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244 } |
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245 |
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246 void CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) |
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247 { |
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248 // not used in this interface |
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249 } |
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250 |
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251 void CMMFDevSoundCIFileBlockLengthDeMux::DoSetFileBlockLengthL(TUint aBlockAlign) |
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252 { |
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253 if (!iFileBlockLengthInterface) |
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254 { |
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255 User::Leave(KErrNotReady); |
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256 } |
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257 |
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258 // set the block length |
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259 iFileBlockLengthInterface->SetFileBlockLength(aBlockAlign); |
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260 } |
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261 |
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262 |
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263 |
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264 // |
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265 // ImplementationTable |
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266 // |
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267 |
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268 const TImplementationProxy ImplementationTable[] = |
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269 { |
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270 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthMux, CMMFDevSoundCIFileBlockLengthMux::NewL), |
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271 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthDeMux, CMMFDevSoundCIFileBlockLengthDeMux::NewL), |
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272 }; |
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273 |
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274 |
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275 // |
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276 // ImplementationGroupProxy |
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277 // |
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278 // |
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279 |
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280 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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281 { |
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282 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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283 |
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284 return ImplementationTable; |
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285 } |
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286 |
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287 #ifndef EKA2 |
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288 /** DLL Entry point */ |
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289 GLDEF_C TInt E32Dll(TDllReason /*aReason*/) |
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290 { |
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291 return(KErrNone); |
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292 } |
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293 #endif |
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294 |