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1 // Copyright (c) 2007-2009 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 <ecom/implementationproxy.h> |
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17 #include <ecom/implementationproxy.h> |
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18 #include <ecom/ecom.h> |
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19 #include "playbackstatusci.h" |
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20 |
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21 |
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22 // MUX // |
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23 /*****************************************************************************/ |
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24 |
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25 TInt CMMFPlayBackStatusMux::OpenInterface(TUid /*aInterfaceId*/) |
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26 { |
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27 // attempt to open the interface link with the |
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28 // remote slave device |
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29 iRemoteHandle = -1; |
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30 TUid slaveId = {KMmfUidCustomInterfacePlayBackStatusDeMux}; |
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31 |
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32 TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8); |
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33 if (handle >= 0) |
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34 { |
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35 iRemoteHandle = handle; |
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36 } |
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37 |
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38 return iRemoteHandle; |
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39 } |
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40 |
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41 /*****************************************************************************/ |
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42 void CMMFPlayBackStatusMux::Release() |
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43 { |
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44 // close the slave device if it exists |
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45 if (iRemoteHandle > 0) |
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46 { |
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47 // we assume the slave is closed correctly |
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48 iUtility->CloseSlave(iRemoteHandle); |
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49 } |
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50 |
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51 TUid key = iDestructorKey; |
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52 delete this; |
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53 |
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54 // tell ECom to destroy us |
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55 REComSession::DestroyedImplementation(key); |
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56 } |
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57 |
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58 /*****************************************************************************/ |
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59 void CMMFPlayBackStatusMux::PassDestructorKey(TUid aDestructorKey) |
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60 { |
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61 // store the destructor key |
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62 iDestructorKey = aDestructorKey; |
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63 } |
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64 |
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65 /*****************************************************************************/ |
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66 void CMMFPlayBackStatusMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility) |
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67 { |
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68 // store a pointer to the utility |
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69 iUtility = aCustomUtility; |
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70 } |
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71 |
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72 /*****************************************************************************/ |
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73 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFPlayBackStatusMux::NewL() |
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74 { |
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75 CMMFPlayBackStatusMux* self = new (ELeave) CMMFPlayBackStatusMux; |
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76 return self; |
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77 } |
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78 |
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79 /*****************************************************************************/ |
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80 TAny* CMMFPlayBackStatusMux::CustomInterface(TUid /*aInterfaceId*/) |
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81 { |
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82 MMMFPlaybackStatus* interface = this; |
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83 return interface; |
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84 } |
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85 |
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86 /*****************************************************************************/ |
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87 CMMFPlayBackStatusMux::CMMFPlayBackStatusMux() : |
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88 iRemoteHandle(-1) |
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89 { |
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90 } |
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91 |
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92 /*****************************************************************************/ |
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93 CMMFPlayBackStatusMux::~CMMFPlayBackStatusMux() |
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94 { |
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95 } |
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96 |
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97 /*****************************************************************************/ |
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98 // from MMMFPlaybackStatus |
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99 TInt CMMFPlayBackStatusMux::MmpsGetPlaybackStatusInformation(TMMFPlaybackStatus& aStatus) |
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100 { |
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101 TInt err = KErrNone; |
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102 if (iRemoteHandle > 0) |
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103 { |
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104 // send the status in the sync command |
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105 TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status(aStatus); |
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106 |
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107 TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> retStatus; |
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108 |
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109 // any return code other than zero is an error |
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110 err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle, |
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111 EMMFDevSoundCIPlayBackStatus, |
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112 status, |
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113 retStatus); |
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114 // assign return values to aStatus. Do nothing if there is an error |
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115 if(err == KErrNone) |
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116 { |
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117 aStatus = retStatus(); |
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118 } |
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119 } |
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120 return err; |
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121 } |
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122 |
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123 TInt CMMFPlayBackStatusMux::MmpsRequestLossOfSyncNotification() |
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124 { |
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125 TInt err = KErrNone; |
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126 if (iRemoteHandle > 0) |
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127 { |
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128 // any return code other than zero is an error |
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129 err = iUtility->SendSlaveSyncCommand(iRemoteHandle, |
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130 EMMFDevSoundCIPlayBackStatusReqSyncLossNotification, |
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131 KNullDesC8); |
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132 } |
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133 return err; |
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134 } |
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135 |
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136 TInt CMMFPlayBackStatusMux::MmpsCancelLossOfSyncNotification() |
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137 { |
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138 TInt err = KErrNone; |
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139 if (iRemoteHandle > 0) |
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140 { |
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141 // any return code other than zero is an error |
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142 err = iUtility->SendSlaveSyncCommand(iRemoteHandle, |
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143 EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification, |
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144 KNullDesC8); |
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145 } |
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146 return err; |
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147 } |
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148 |
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149 |
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150 // DEMUX // |
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151 /*****************************************************************************/ |
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152 TInt CMMFPlayBackStatusDeMux::OpenInterface(TUid /*aInterfaceId*/) |
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153 { |
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154 return KErrNone; |
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155 } |
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156 |
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157 /*****************************************************************************/ |
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158 void CMMFPlayBackStatusDeMux::Release() |
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159 { |
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160 TUid key = iDestructorKey; |
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161 |
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162 delete this; |
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163 |
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164 // tell ECom to destroy us |
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165 REComSession::DestroyedImplementation(key); |
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166 } |
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167 |
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168 /*****************************************************************************/ |
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169 void CMMFPlayBackStatusDeMux::PassDestructorKey(TUid aDestructorKey) |
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170 { |
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171 // store the destructor key |
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172 iDestructorKey = aDestructorKey; |
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173 } |
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174 |
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175 /*****************************************************************************/ |
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176 void CMMFPlayBackStatusDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget) |
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177 { |
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178 iTarget = aTarget; |
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179 } |
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180 |
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181 /*****************************************************************************/ |
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182 void CMMFPlayBackStatusDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility) |
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183 { |
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184 // store a pointer to the utility |
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185 iUtility = aCustomUtility; |
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186 } |
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187 |
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188 /*****************************************************************************/ |
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189 void CMMFPlayBackStatusDeMux::RefreshL() |
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190 { |
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191 // refetch the play back status custom interface if we already have a target |
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192 if (iTarget) |
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193 { |
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194 iInterfacePlayBackStatus = static_cast<MMMFPlaybackStatus*>(iTarget-> |
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195 CustomInterface(KUidPlaybackStatus)); |
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196 |
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197 if (!iInterfacePlayBackStatus) |
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198 { |
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199 User::Leave(KErrNotSupported); |
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200 } |
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201 } |
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202 } |
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203 |
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204 /*****************************************************************************/ |
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205 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFPlayBackStatusDeMux::NewL() |
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206 { |
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207 CMMFPlayBackStatusDeMux* self = new (ELeave) CMMFPlayBackStatusDeMux; |
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208 return self; |
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209 } |
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210 |
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211 /*****************************************************************************/ |
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212 CMMFPlayBackStatusDeMux::CMMFPlayBackStatusDeMux() |
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213 { |
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214 } |
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215 |
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216 /*****************************************************************************/ |
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217 CMMFPlayBackStatusDeMux::~CMMFPlayBackStatusDeMux() |
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218 { |
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219 } |
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220 |
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221 /*****************************************************************************/ |
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222 TInt CMMFPlayBackStatusDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/) |
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223 { |
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224 // fetch the Playback status Hw Device custom interface |
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225 MMMFPlaybackStatus* ptr = NULL; |
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226 |
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227 ptr = static_cast<MMMFPlaybackStatus*> (iTarget->CustomInterface(KUidPlaybackStatus)); |
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228 |
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229 if (!ptr) |
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230 { |
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231 iInterfacePlayBackStatus = NULL; |
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232 User::Leave(KErrNotSupported); |
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233 } |
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234 else |
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235 { |
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236 iInterfacePlayBackStatus = ptr; |
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237 } |
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238 return KErrNone; |
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239 } |
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240 |
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241 /*****************************************************************************/ |
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242 void CMMFPlayBackStatusDeMux::DoCloseSlaveL(TInt /*aHandle*/) |
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243 { |
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244 // nothing to do |
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245 } |
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246 |
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247 /*****************************************************************************/ |
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248 // original RMessage is supplied so that remote demux plugin can extract necessary details |
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249 // using DeMux utility |
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250 TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage) |
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251 { |
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252 TMMFDevSoundCIMessageData data; |
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253 iUtility->GetSyncMessageDataL(aMessage, data); |
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254 |
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255 TInt err = KErrNone; |
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256 switch(data.iCommand) |
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257 { |
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258 case EMMFDevSoundCIPlayBackStatusReqSyncLossNotification: |
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259 { |
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260 err = DoMmpsRequestLossOfSyncNotification(); |
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261 break; |
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262 } |
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263 case EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification: |
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264 { |
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265 err = DoMmpsCancelLossOfSyncNotification(); |
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266 break; |
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267 } |
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268 default: |
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269 { |
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270 User::Leave(KErrNotSupported); |
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271 } |
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272 } |
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273 return err; |
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274 } |
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275 |
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276 /*****************************************************************************/ |
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277 TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage) |
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278 { |
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279 TMMFDevSoundCIMessageData data; |
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280 |
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281 // decode message |
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282 iUtility->GetSyncMessageDataL(aMessage, data); |
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283 |
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284 switch (data.iCommand) |
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285 { |
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286 case EMMFDevSoundCIPlayBackStatus: |
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287 { |
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288 TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status; |
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289 iUtility->ReadFromInputDesL(aMessage, &status); |
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290 |
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291 DoMmpsGetPlaybackStatusInformation(status()); |
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292 |
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293 TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> des(status()); |
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294 iUtility->WriteToOutputDesL(aMessage, des); |
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295 break; |
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296 } |
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297 default: |
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298 { |
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299 User::Leave(KErrNotSupported); |
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300 } |
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301 } |
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302 return KErrNone; |
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303 } |
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304 |
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305 /*****************************************************************************/ |
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306 void CMMFPlayBackStatusDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/) |
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307 { |
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308 // not used in this interface |
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309 } |
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310 |
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311 /*****************************************************************************/ |
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312 void CMMFPlayBackStatusDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) |
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313 { |
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314 // not used in this interface |
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315 } |
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316 |
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317 /*****************************************************************************/ |
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318 // Play Back Status custom interface implementation |
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319 TInt CMMFPlayBackStatusDeMux::DoMmpsGetPlaybackStatusInformation(MMMFPlaybackStatus::TMMFPlaybackStatus& aStatus) |
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320 { |
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321 TInt err = KErrNotReady; |
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322 if (iInterfacePlayBackStatus) |
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323 { |
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324 err = iInterfacePlayBackStatus->MmpsGetPlaybackStatusInformation(aStatus); |
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325 } |
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326 return err; |
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327 } |
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328 |
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329 TInt CMMFPlayBackStatusDeMux::DoMmpsRequestLossOfSyncNotification() |
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330 { |
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331 TInt err = KErrNotReady; |
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332 if (iInterfacePlayBackStatus) |
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333 { |
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334 err = iInterfacePlayBackStatus->MmpsRequestLossOfSyncNotification(); |
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335 } |
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336 return err; |
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337 } |
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338 |
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339 TInt CMMFPlayBackStatusDeMux::DoMmpsCancelLossOfSyncNotification() |
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340 { |
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341 TInt err = KErrNotReady; |
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342 if (iInterfacePlayBackStatus) |
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343 { |
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344 err = iInterfacePlayBackStatus->MmpsCancelLossOfSyncNotification(); |
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345 } |
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346 return err; |
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347 } |
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348 |
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349 /*****************************************************************************/ |
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350 // |
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351 // ImplementationTable |
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352 // |
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353 |
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354 const TImplementationProxy ImplementationTable[] = |
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355 { |
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356 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusMux, CMMFPlayBackStatusMux::NewL), |
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357 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusDeMux, CMMFPlayBackStatusDeMux::NewL), |
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358 }; |
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359 |
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360 /*****************************************************************************/ |
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361 // |
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362 // ImplementationGroupProxy |
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363 // |
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364 // |
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365 |
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366 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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367 { |
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368 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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369 |
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370 return ImplementationTable; |
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371 } |
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372 |
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373 |