1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsound/devsoundpluginsupport/src/CustomInterfaces/playbackstatusci.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,373 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include <ecom/implementationproxy.h>
1.20 +#include <ecom/implementationproxy.h>
1.21 +#include <ecom/ecom.h>
1.22 +#include "playbackstatusci.h"
1.23 +
1.24 +
1.25 +// MUX //
1.26 +/*****************************************************************************/
1.27 +
1.28 +TInt CMMFPlayBackStatusMux::OpenInterface(TUid /*aInterfaceId*/)
1.29 + {
1.30 + // attempt to open the interface link with the
1.31 + // remote slave device
1.32 + iRemoteHandle = -1;
1.33 + TUid slaveId = {KMmfUidCustomInterfacePlayBackStatusDeMux};
1.34 +
1.35 + TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
1.36 + if (handle >= 0)
1.37 + {
1.38 + iRemoteHandle = handle;
1.39 + }
1.40 +
1.41 + return iRemoteHandle;
1.42 + }
1.43 +
1.44 +/*****************************************************************************/
1.45 +void CMMFPlayBackStatusMux::Release()
1.46 + {
1.47 + // close the slave device if it exists
1.48 + if (iRemoteHandle > 0)
1.49 + {
1.50 + // we assume the slave is closed correctly
1.51 + iUtility->CloseSlave(iRemoteHandle);
1.52 + }
1.53 +
1.54 + TUid key = iDestructorKey;
1.55 + delete this;
1.56 +
1.57 + // tell ECom to destroy us
1.58 + REComSession::DestroyedImplementation(key);
1.59 + }
1.60 +
1.61 +/*****************************************************************************/
1.62 +void CMMFPlayBackStatusMux::PassDestructorKey(TUid aDestructorKey)
1.63 + {
1.64 + // store the destructor key
1.65 + iDestructorKey = aDestructorKey;
1.66 + }
1.67 +
1.68 +/*****************************************************************************/
1.69 +void CMMFPlayBackStatusMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
1.70 + {
1.71 + // store a pointer to the utility
1.72 + iUtility = aCustomUtility;
1.73 + }
1.74 +
1.75 +/*****************************************************************************/
1.76 +MMMFDevSoundCustomInterfaceMuxPlugin* CMMFPlayBackStatusMux::NewL()
1.77 + {
1.78 + CMMFPlayBackStatusMux* self = new (ELeave) CMMFPlayBackStatusMux;
1.79 + return self;
1.80 + }
1.81 +
1.82 +/*****************************************************************************/
1.83 +TAny* CMMFPlayBackStatusMux::CustomInterface(TUid /*aInterfaceId*/)
1.84 + {
1.85 + MMMFPlaybackStatus* interface = this;
1.86 + return interface;
1.87 + }
1.88 +
1.89 +/*****************************************************************************/
1.90 +CMMFPlayBackStatusMux::CMMFPlayBackStatusMux() :
1.91 + iRemoteHandle(-1)
1.92 + {
1.93 + }
1.94 +
1.95 +/*****************************************************************************/
1.96 +CMMFPlayBackStatusMux::~CMMFPlayBackStatusMux()
1.97 + {
1.98 + }
1.99 +
1.100 +/*****************************************************************************/
1.101 +// from MMMFPlaybackStatus
1.102 +TInt CMMFPlayBackStatusMux::MmpsGetPlaybackStatusInformation(TMMFPlaybackStatus& aStatus)
1.103 + {
1.104 + TInt err = KErrNone;
1.105 + if (iRemoteHandle > 0)
1.106 + {
1.107 + // send the status in the sync command
1.108 + TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status(aStatus);
1.109 +
1.110 + TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> retStatus;
1.111 +
1.112 + // any return code other than zero is an error
1.113 + err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,
1.114 + EMMFDevSoundCIPlayBackStatus,
1.115 + status,
1.116 + retStatus);
1.117 + // assign return values to aStatus. Do nothing if there is an error
1.118 + if(err == KErrNone)
1.119 + {
1.120 + aStatus = retStatus();
1.121 + }
1.122 + }
1.123 + return err;
1.124 + }
1.125 +
1.126 +TInt CMMFPlayBackStatusMux::MmpsRequestLossOfSyncNotification()
1.127 + {
1.128 + TInt err = KErrNone;
1.129 + if (iRemoteHandle > 0)
1.130 + {
1.131 + // any return code other than zero is an error
1.132 + err = iUtility->SendSlaveSyncCommand(iRemoteHandle,
1.133 + EMMFDevSoundCIPlayBackStatusReqSyncLossNotification,
1.134 + KNullDesC8);
1.135 + }
1.136 + return err;
1.137 + }
1.138 +
1.139 +TInt CMMFPlayBackStatusMux::MmpsCancelLossOfSyncNotification()
1.140 + {
1.141 + TInt err = KErrNone;
1.142 + if (iRemoteHandle > 0)
1.143 + {
1.144 + // any return code other than zero is an error
1.145 + err = iUtility->SendSlaveSyncCommand(iRemoteHandle,
1.146 + EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification,
1.147 + KNullDesC8);
1.148 + }
1.149 + return err;
1.150 + }
1.151 +
1.152 +
1.153 +// DEMUX //
1.154 +/*****************************************************************************/
1.155 +TInt CMMFPlayBackStatusDeMux::OpenInterface(TUid /*aInterfaceId*/)
1.156 + {
1.157 + return KErrNone;
1.158 + }
1.159 +
1.160 +/*****************************************************************************/
1.161 +void CMMFPlayBackStatusDeMux::Release()
1.162 + {
1.163 + TUid key = iDestructorKey;
1.164 +
1.165 + delete this;
1.166 +
1.167 + // tell ECom to destroy us
1.168 + REComSession::DestroyedImplementation(key);
1.169 + }
1.170 +
1.171 +/*****************************************************************************/
1.172 +void CMMFPlayBackStatusDeMux::PassDestructorKey(TUid aDestructorKey)
1.173 + {
1.174 + // store the destructor key
1.175 + iDestructorKey = aDestructorKey;
1.176 + }
1.177 +
1.178 +/*****************************************************************************/
1.179 +void CMMFPlayBackStatusDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
1.180 + {
1.181 + iTarget = aTarget;
1.182 + }
1.183 +
1.184 +/*****************************************************************************/
1.185 +void CMMFPlayBackStatusDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
1.186 + {
1.187 + // store a pointer to the utility
1.188 + iUtility = aCustomUtility;
1.189 + }
1.190 +
1.191 +/*****************************************************************************/
1.192 +void CMMFPlayBackStatusDeMux::RefreshL()
1.193 + {
1.194 + // refetch the play back status custom interface if we already have a target
1.195 + if (iTarget)
1.196 + {
1.197 + iInterfacePlayBackStatus = static_cast<MMMFPlaybackStatus*>(iTarget->
1.198 + CustomInterface(KUidPlaybackStatus));
1.199 +
1.200 + if (!iInterfacePlayBackStatus)
1.201 + {
1.202 + User::Leave(KErrNotSupported);
1.203 + }
1.204 + }
1.205 + }
1.206 +
1.207 +/*****************************************************************************/
1.208 +MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFPlayBackStatusDeMux::NewL()
1.209 + {
1.210 + CMMFPlayBackStatusDeMux* self = new (ELeave) CMMFPlayBackStatusDeMux;
1.211 + return self;
1.212 + }
1.213 +
1.214 +/*****************************************************************************/
1.215 +CMMFPlayBackStatusDeMux::CMMFPlayBackStatusDeMux()
1.216 + {
1.217 + }
1.218 +
1.219 +/*****************************************************************************/
1.220 +CMMFPlayBackStatusDeMux::~CMMFPlayBackStatusDeMux()
1.221 + {
1.222 + }
1.223 +
1.224 +/*****************************************************************************/
1.225 +TInt CMMFPlayBackStatusDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
1.226 + {
1.227 + // fetch the Playback status Hw Device custom interface
1.228 + MMMFPlaybackStatus* ptr = NULL;
1.229 +
1.230 + ptr = static_cast<MMMFPlaybackStatus*> (iTarget->CustomInterface(KUidPlaybackStatus));
1.231 +
1.232 + if (!ptr)
1.233 + {
1.234 + iInterfacePlayBackStatus = NULL;
1.235 + User::Leave(KErrNotSupported);
1.236 + }
1.237 + else
1.238 + {
1.239 + iInterfacePlayBackStatus = ptr;
1.240 + }
1.241 + return KErrNone;
1.242 + }
1.243 +
1.244 +/*****************************************************************************/
1.245 +void CMMFPlayBackStatusDeMux::DoCloseSlaveL(TInt /*aHandle*/)
1.246 + {
1.247 + // nothing to do
1.248 + }
1.249 +
1.250 +/*****************************************************************************/
1.251 +// original RMessage is supplied so that remote demux plugin can extract necessary details
1.252 +// using DeMux utility
1.253 +TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
1.254 + {
1.255 + TMMFDevSoundCIMessageData data;
1.256 + iUtility->GetSyncMessageDataL(aMessage, data);
1.257 +
1.258 + TInt err = KErrNone;
1.259 + switch(data.iCommand)
1.260 + {
1.261 + case EMMFDevSoundCIPlayBackStatusReqSyncLossNotification:
1.262 + {
1.263 + err = DoMmpsRequestLossOfSyncNotification();
1.264 + break;
1.265 + }
1.266 + case EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification:
1.267 + {
1.268 + err = DoMmpsCancelLossOfSyncNotification();
1.269 + break;
1.270 + }
1.271 + default:
1.272 + {
1.273 + User::Leave(KErrNotSupported);
1.274 + }
1.275 + }
1.276 + return err;
1.277 + }
1.278 +
1.279 +/*****************************************************************************/
1.280 +TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)
1.281 + {
1.282 + TMMFDevSoundCIMessageData data;
1.283 +
1.284 + // decode message
1.285 + iUtility->GetSyncMessageDataL(aMessage, data);
1.286 +
1.287 + switch (data.iCommand)
1.288 + {
1.289 + case EMMFDevSoundCIPlayBackStatus:
1.290 + {
1.291 + TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status;
1.292 + iUtility->ReadFromInputDesL(aMessage, &status);
1.293 +
1.294 + DoMmpsGetPlaybackStatusInformation(status());
1.295 +
1.296 + TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> des(status());
1.297 + iUtility->WriteToOutputDesL(aMessage, des);
1.298 + break;
1.299 + }
1.300 + default:
1.301 + {
1.302 + User::Leave(KErrNotSupported);
1.303 + }
1.304 + }
1.305 + return KErrNone;
1.306 + }
1.307 +
1.308 +/*****************************************************************************/
1.309 +void CMMFPlayBackStatusDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
1.310 + {
1.311 + // not used in this interface
1.312 + }
1.313 +
1.314 +/*****************************************************************************/
1.315 +void CMMFPlayBackStatusDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
1.316 + {
1.317 + // not used in this interface
1.318 + }
1.319 +
1.320 +/*****************************************************************************/
1.321 +// Play Back Status custom interface implementation
1.322 +TInt CMMFPlayBackStatusDeMux::DoMmpsGetPlaybackStatusInformation(MMMFPlaybackStatus::TMMFPlaybackStatus& aStatus)
1.323 + {
1.324 + TInt err = KErrNotReady;
1.325 + if (iInterfacePlayBackStatus)
1.326 + {
1.327 + err = iInterfacePlayBackStatus->MmpsGetPlaybackStatusInformation(aStatus);
1.328 + }
1.329 + return err;
1.330 + }
1.331 +
1.332 +TInt CMMFPlayBackStatusDeMux::DoMmpsRequestLossOfSyncNotification()
1.333 + {
1.334 + TInt err = KErrNotReady;
1.335 + if (iInterfacePlayBackStatus)
1.336 + {
1.337 + err = iInterfacePlayBackStatus->MmpsRequestLossOfSyncNotification();
1.338 + }
1.339 + return err;
1.340 + }
1.341 +
1.342 +TInt CMMFPlayBackStatusDeMux::DoMmpsCancelLossOfSyncNotification()
1.343 + {
1.344 + TInt err = KErrNotReady;
1.345 + if (iInterfacePlayBackStatus)
1.346 + {
1.347 + err = iInterfacePlayBackStatus->MmpsCancelLossOfSyncNotification();
1.348 + }
1.349 + return err;
1.350 + }
1.351 +
1.352 +/*****************************************************************************/
1.353 +//
1.354 +// ImplementationTable
1.355 +//
1.356 +
1.357 +const TImplementationProxy ImplementationTable[] =
1.358 + {
1.359 + IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusMux, CMMFPlayBackStatusMux::NewL),
1.360 + IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusDeMux, CMMFPlayBackStatusDeMux::NewL),
1.361 + };
1.362 +
1.363 +/*****************************************************************************/
1.364 +//
1.365 +// ImplementationGroupProxy
1.366 +//
1.367 +//
1.368 +
1.369 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.370 + {
1.371 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.372 +
1.373 + return ImplementationTable;
1.374 + }
1.375 +
1.376 +