--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/src/cmtpplaybackcontroldp.cpp Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,392 @@
+// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include <mtp/mmtpconnection.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mtpdataproviderapitypes.h>
+
+#include "cmtpplaybackcontroldp.h"
+#include "cmtprequestprocessor.h"
+#include "mtpplaybackcontroldpprocessor.h"
+#include "cmtpplaybackmap.h"
+#include "cmtpplaybackproperty.h"
+#include "mmtpplaybackinterface.h"
+#include "cmtpplaybackevent.h"
+#include "mtpplaybackcontrolpanic.h"
+
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"PlaybackControlDataProvider");)
+static const TInt KMTPPlaybackControlDpSessionGranularity(3);
+
+/**
+MTP playback control data provider plug-in factory method.
+@return A pointer to an MTP playback control data provider plug-in. Ownership IS
+transfered.
+@leave One of the system wide error codes, if a processing failure occurs.
+*/
+TAny* CMTPPlaybackControlDataProvider::NewL(TAny* aParams)
+ {
+ CMTPPlaybackControlDataProvider* self = new (ELeave) CMTPPlaybackControlDataProvider(aParams);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+/**
+Destructor
+*/
+CMTPPlaybackControlDataProvider::~CMTPPlaybackControlDataProvider()
+ {
+ __FLOG(_L8("~CMTPPlaybackControlDataProvider - Entry"));
+ TInt count = iActiveProcessors.Count();
+ while(count--)
+ {
+ iActiveProcessors[count]->Release();
+ }
+ iActiveProcessors.Close();
+ delete iPlaybackMap;
+ delete iPlaybackProperty;
+ if(iPlaybackControl)
+ {
+ iPlaybackControl->Close();
+ }
+ __FLOG(_L8("~CMTPPlaybackControlDataProvider - Exit"));
+ __FLOG_CLOSE;
+ }
+
+void CMTPPlaybackControlDataProvider::Cancel()
+ {
+
+ }
+
+void CMTPPlaybackControlDataProvider::ProcessEventL(const TMTPTypeEvent& /*aEvent*/, MMTPConnection& /*aConnection*/)
+ {
+ __FLOG(_L8("ProcessEventL - Entry"));
+ __FLOG(_L8("ProcessEventL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams)
+ {
+ __FLOG(_L8("ProcessNotificationL - Entry"));
+ switch (aNotification)
+ {
+ case EMTPSessionClosed:
+ SessionClosedL(*reinterpret_cast<const TMTPNotificationParamsSessionChange*>(aParams));
+ break;
+
+ case EMTPSessionOpened:
+ SessionOpenedL(*reinterpret_cast<const TMTPNotificationParamsSessionChange*>(aParams));
+ break;
+ default:
+ // Ignore all other notifications.
+ break;
+ }
+ __FLOG(_L8("ProcessNotificationL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
+ {
+ __FLOG(_L8("ProcessRequestPhaseL - Entry"));
+ TInt index = LocateRequestProcessorL(aRequest, aConnection);
+ __ASSERT_DEBUG(index != KErrNotFound, Panic(EMTPPBArgumentErr));
+ MMTPRequestProcessor* processor = iActiveProcessors[index];
+ iActiveProcessor = index;
+ iActiveProcessorRemoved = EFalse;
+ TBool result = processor->HandleRequestL(aRequest, aPhase);
+ if (iActiveProcessorRemoved)
+ {
+ processor->Release(); // destroy the processor
+ }
+ else if (result)
+ {
+ processor->Release();
+ iActiveProcessors.Remove(index);
+ }
+ iActiveProcessor = -1;
+ __FLOG(_L8("ProcessRequestPhaseL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::Supported(TMTPSupportCategory aCategory, RArray<TUint>& aArray) const
+ {
+ __FLOG(_L8("Supported - Entry"));
+
+ switch (aCategory)
+ {
+ case EDeviceProperties:
+ {
+ TInt count = sizeof(KMTPPlaybackControlDpSupportedProperties) / sizeof(KMTPPlaybackControlDpSupportedProperties[0]);
+ for(TInt i = 0; i < count; i++)
+ {
+ aArray.Append(KMTPPlaybackControlDpSupportedProperties[i]);
+ }
+ }
+ break;
+
+ case EOperations:
+ {
+ TInt count = sizeof(KMTPPlaybackControlDpSupportedOperations) / sizeof(KMTPPlaybackControlDpSupportedOperations[0]);
+ for(TInt i = 0; i < count; i++)
+ {
+ aArray.Append(KMTPPlaybackControlDpSupportedOperations[i]);
+ }
+ }
+ break;
+
+ case EEvents:
+ {
+ TInt count = sizeof(KMTPPlaybackControlDpSupportedEvents) / sizeof(KMTPPlaybackControlDpSupportedEvents[0]);
+ for(TInt i = 0; i < count; i++)
+ {
+ aArray.Append(KMTPPlaybackControlDpSupportedEvents[i]);
+ }
+ }
+ break;
+
+ default:
+ // Unrecognised category, leave aArray unmodified.
+ break;
+ }
+ __FLOG(_L8("Supported - Exit"));
+ }
+
+/**
+Constructor.
+*/
+CMTPPlaybackControlDataProvider::CMTPPlaybackControlDataProvider(TAny* aParams) :
+ CMTPDataProviderPlugin(aParams),
+ iActiveProcessors(KMTPPlaybackControlDpSessionGranularity),
+ iActiveProcessor(-1),
+ iRequestToResetPbCtrl(EFalse)
+ {
+
+ }
+
+/**
+Second phase constructor.
+*/
+void CMTPPlaybackControlDataProvider::ConstructL()
+ {
+ __FLOG_OPEN(KMTPSubsystem, KComponent);
+ __FLOG(_L8("ConstructL - Entry"));
+ iPlaybackProperty = CMTPPlaybackProperty::NewL();
+ iPlaybackMap = CMTPPlaybackMap::NewL(Framework(),*iPlaybackProperty);
+ __FLOG(_L8("ConstructL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::SendEventL(TMTPDevicePropertyCode aPropCode)
+ {
+ __FLOG(_L8("SendEventL - Entry"));
+ iEvent.Reset();
+ iEvent.SetUint16(TMTPTypeEvent::EEventCode, EMTPEventCodeDevicePropChanged );
+ iEvent.SetUint32(TMTPTypeEvent::EEventSessionID, KMTPSessionAll);
+ iEvent.SetUint32(TMTPTypeEvent::EEventTransactionID, KMTPTransactionIdNone);
+ iEvent.SetUint32(TMTPTypeEvent::EEventParameter1, aPropCode);
+ Framework().SendEventL(iEvent);
+ __FLOG(_L8("SendEventL - Exit"));
+ }
+
+/**
+Find or create a request processor that can process the request
+@param aRequest The request to be processed
+@param aConnection The connection from which the request comes
+@return the index of the found/created request processor
+*/
+TInt CMTPPlaybackControlDataProvider::LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
+ {
+ __FLOG(_L8("LocateRequestProcessorL - Entry"));
+ TInt index = KErrNotFound;
+ TInt count = iActiveProcessors.Count();
+ for(TInt i = 0; i < count; i++)
+ {
+ if(iActiveProcessors[i]->Match(aRequest, aConnection))
+ {
+ index = i;
+ break;
+ }
+ }
+ if(index == KErrNotFound)
+ {
+ MMTPRequestProcessor* processor = MTPPlaybackControlDpProcessor::CreateL(Framework(), aRequest, aConnection, *this);
+ __ASSERT_DEBUG(processor, Panic(EMTPPBArgumentErr));
+ CleanupReleasePushL(*processor);
+ iActiveProcessors.AppendL(processor);
+ CleanupStack::Pop();
+ index = count;
+ }
+
+ __FLOG(_L8("LocateRequestProcessorL - Exit"));
+ return index;
+ }
+
+/**
+Cleans up outstanding request processors when a session is closed.
+@param aSession notification parameter block
+*/
+void CMTPPlaybackControlDataProvider::SessionClosedL(const TMTPNotificationParamsSessionChange& aSession)
+ {
+ __FLOG(_L8("SessionClosedL - Entry"));
+ TInt count = iActiveProcessors.Count();
+ while (count--)
+ {
+ MMTPRequestProcessor* processor = iActiveProcessors[count];
+ TUint32 sessionId(processor->SessionId());
+ if ((sessionId == aSession.iMTPId) && (processor->Connection().ConnectionId() == aSession.iConnection.ConnectionId()))
+ {
+ iActiveProcessors.Remove(count);
+ if (count == iActiveProcessor)
+ {
+ iActiveProcessorRemoved = ETrue;
+ }
+ else
+ {
+ processor->Release();
+ }
+ }
+ }
+
+ if(iPlaybackControl)
+ {
+ iPlaybackControl->Close();
+ iPlaybackControl = NULL;
+ }
+
+ __FLOG(_L8("SessionClosedL - Exit"));
+ }
+
+/**
+Prepares for a newly-opened session.
+@param aSession notification parameter block
+*/
+#ifdef __FLOG_ACTIVE
+void CMTPPlaybackControlDataProvider::SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession)
+#else
+void CMTPPlaybackControlDataProvider::SessionOpenedL(const TMTPNotificationParamsSessionChange& /*aSession*/)
+#endif
+ {
+ __FLOG(_L8("SessionOpenedL - Entry"));
+ __FLOG_VA((_L8("SessionID = %d"), aSession.iMTPId));
+ __FLOG(_L8("SessionOpenedL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::StartObjectEnumerationL(TUint32 aStorageId, TBool /*aPersistentFullEnumeration*/)
+ {
+ __FLOG(_L8("StartObjectEnumerationL - Entry"));
+ //This DP doesn't manage data.
+ Framework().ObjectEnumerationCompleteL(aStorageId);
+ __FLOG(_L8("StartObjectEnumerationL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::StartStorageEnumerationL()
+ {
+ __FLOG(_L8("StartStorageEnumerationL - Entry"));
+ //This DP doesn't manage data.
+ Framework().StorageEnumerationCompleteL();
+ __FLOG(_L8("StartStorageEnumerationL - Exit"));
+ }
+
+void CMTPPlaybackControlDataProvider::HandlePlaybackEventL(CMTPPlaybackEvent* aEvent, TInt aErr)
+ {
+ __FLOG(_L8("HandlePlaybackEventL - Entry"));
+
+ if(aErr != KPlaybackErrNone)
+ {
+ if(aErr == KPlaybackErrDeviceUnavailable )
+ {
+ iRequestToResetPbCtrl = ETrue;
+ //Report error to initiator, .
+ SendEventL(EMTPDevicePropCodePlaybackObject);
+ SendEventL(EMTPDevicePropCodePlaybackRate);
+ SendEventL(EMTPDevicePropCodePlaybackContainerIndex);
+ SendEventL(EMTPDevicePropCodePlaybackPosition);
+ }
+ return;
+ }
+
+ __ASSERT_DEBUG((aEvent != NULL), Panic(EMTPPBDataNullErr));
+ __ASSERT_ALWAYS((aEvent != NULL), User::Leave(KErrArgument));
+ __FLOG_1(_L8("aEvent %d"), aEvent->PlaybackEvent());
+
+ switch(aEvent->PlaybackEvent())
+ {
+ case EPlaybackEventVolumeUpdate:
+ {
+ SendEventL(EMTPDevicePropCodeVolume);
+ }
+ break;
+ case EPlaybackEventStateUpdate:
+ {
+ SendEventL(EMTPDevicePropCodePlaybackRate);
+ }
+ break;
+ case EPlaybackEventObjectUpdate:
+ {
+ SendEventL(EMTPDevicePropCodePlaybackObject);
+ }
+ break;
+ case EPlaybackEventObjectIndexUpdate:
+ {
+ SendEventL(EMTPDevicePropCodePlaybackContainerIndex);
+ }
+ break;
+
+ default:
+ User::Leave(KErrArgument);
+ break;
+ }
+
+ __FLOG(_L8("HandlePlaybackEventL - Exit"));
+ }
+
+CMTPPlaybackMap& CMTPPlaybackControlDataProvider::GetPlaybackMap() const
+ {
+ __ASSERT_DEBUG((iPlaybackMap != NULL), Panic(EMTPPBDataNullErr));
+ return *iPlaybackMap;
+ }
+
+CMTPPlaybackProperty& CMTPPlaybackControlDataProvider::GetPlaybackProperty() const
+ {
+ __ASSERT_DEBUG((iPlaybackProperty != NULL), Panic(EMTPPBDataNullErr));
+ return *iPlaybackProperty;
+ }
+
+MMTPPlaybackControl& CMTPPlaybackControlDataProvider::GetPlaybackControlL()
+ {
+ __FLOG(_L8("GetPlaybackControlL - Entry"));
+ if(iPlaybackControl == NULL)
+ {
+ iPlaybackControl = MMTPPlaybackControl::NewL(*this);
+ }
+ else if(iRequestToResetPbCtrl)
+ {
+ iRequestToResetPbCtrl = EFalse;
+ iPlaybackControl->Close();
+ iPlaybackControl = NULL;
+ iPlaybackControl = MMTPPlaybackControl::NewL(*this);
+ }
+ __FLOG(_L8("GetPlaybackControlL - Exit"));
+ return *iPlaybackControl;
+ }
+
+void CMTPPlaybackControlDataProvider::RequestToResetPbCtrl()
+ {
+ iRequestToResetPbCtrl = ETrue;
+ }