michael@0: /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "FMRadioChild.h"
michael@0: #include "mozilla/dom/ContentChild.h"
michael@0: #include "mozilla/dom/FMRadioRequestChild.h"
michael@0: 
michael@0: using namespace mozilla::hal;
michael@0: 
michael@0: BEGIN_FMRADIO_NAMESPACE
michael@0: 
michael@0: StaticAutoPtr<FMRadioChild> FMRadioChild::sFMRadioChild;
michael@0: 
michael@0: FMRadioChild::FMRadioChild()
michael@0:   : mEnabled(false)
michael@0:   , mFrequency(0)
michael@0:   , mObserverList(FMRadioEventObserverList())
michael@0: {
michael@0:   MOZ_COUNT_CTOR(FMRadioChild);
michael@0: 
michael@0:   ContentChild::GetSingleton()->SendPFMRadioConstructor(this);
michael@0: 
michael@0:   StatusInfo statusInfo;
michael@0:   SendGetStatusInfo(&statusInfo);
michael@0: 
michael@0:   mEnabled = statusInfo.enabled();
michael@0:   mFrequency = statusInfo.frequency();
michael@0:   mUpperBound = statusInfo.upperBound();
michael@0:   mLowerBound= statusInfo.lowerBound();
michael@0:   mChannelWidth = statusInfo.channelWidth();
michael@0: }
michael@0: 
michael@0: FMRadioChild::~FMRadioChild()
michael@0: {
michael@0:   MOZ_COUNT_DTOR(FMRadioChild);
michael@0: }
michael@0: 
michael@0: bool
michael@0: FMRadioChild::IsEnabled() const
michael@0: {
michael@0:   return mEnabled;
michael@0: }
michael@0: 
michael@0: double
michael@0: FMRadioChild::GetFrequency() const
michael@0: {
michael@0:   return mFrequency;
michael@0: }
michael@0: 
michael@0: 
michael@0: double
michael@0: FMRadioChild::GetFrequencyUpperBound() const
michael@0: {
michael@0:   return mUpperBound;
michael@0: }
michael@0: 
michael@0: double
michael@0: FMRadioChild::GetFrequencyLowerBound() const
michael@0: {
michael@0:   return mLowerBound;
michael@0: }
michael@0: 
michael@0: double
michael@0: FMRadioChild::GetChannelWidth() const
michael@0: {
michael@0:   return mChannelWidth;
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::Enable(double aFrequency, FMRadioReplyRunnable* aReplyRunnable)
michael@0: {
michael@0:   SendRequest(aReplyRunnable, EnableRequestArgs(aFrequency));
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::Disable(FMRadioReplyRunnable* aReplyRunnable)
michael@0: {
michael@0:   SendRequest(aReplyRunnable, DisableRequestArgs());
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::SetFrequency(double aFrequency,
michael@0:                            FMRadioReplyRunnable* aReplyRunnable)
michael@0: {
michael@0:   SendRequest(aReplyRunnable, SetFrequencyRequestArgs(aFrequency));
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::Seek(FMRadioSeekDirection aDirection,
michael@0:                    FMRadioReplyRunnable* aReplyRunnable)
michael@0: {
michael@0:   SendRequest(aReplyRunnable, SeekRequestArgs(aDirection));
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::CancelSeek(FMRadioReplyRunnable* aReplyRunnable)
michael@0: {
michael@0:   SendRequest(aReplyRunnable, CancelSeekRequestArgs());
michael@0: }
michael@0: 
michael@0: inline void
michael@0: FMRadioChild::NotifyFMRadioEvent(FMRadioEventType aType)
michael@0: {
michael@0:   mObserverList.Broadcast(aType);
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::AddObserver(FMRadioEventObserver* aObserver)
michael@0: {
michael@0:   mObserverList.AddObserver(aObserver);
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::RemoveObserver(FMRadioEventObserver* aObserver)
michael@0: {
michael@0:   mObserverList.RemoveObserver(aObserver);
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::SendRequest(FMRadioReplyRunnable* aReplyRunnable,
michael@0:                           FMRadioRequestArgs aArgs)
michael@0: {
michael@0:   PFMRadioRequestChild* childRequest = new FMRadioRequestChild(aReplyRunnable);
michael@0:   SendPFMRadioRequestConstructor(childRequest, aArgs);
michael@0: }
michael@0: 
michael@0: bool
michael@0: FMRadioChild::RecvNotifyFrequencyChanged(const double& aFrequency)
michael@0: {
michael@0:   mFrequency = aFrequency;
michael@0:   NotifyFMRadioEvent(FrequencyChanged);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool
michael@0: FMRadioChild::RecvNotifyEnabledChanged(const bool& aEnabled,
michael@0:                                        const double& aFrequency)
michael@0: {
michael@0:   mEnabled = aEnabled;
michael@0:   mFrequency = aFrequency;
michael@0:   NotifyFMRadioEvent(EnabledChanged);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool
michael@0: FMRadioChild::Recv__delete__()
michael@0: {
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: PFMRadioRequestChild*
michael@0: FMRadioChild::AllocPFMRadioRequestChild(const FMRadioRequestArgs& aArgs)
michael@0: {
michael@0:   MOZ_CRASH();
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: bool
michael@0: FMRadioChild::DeallocPFMRadioRequestChild(PFMRadioRequestChild* aActor)
michael@0: {
michael@0:   delete aActor;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: FMRadioChild::EnableAudio(bool aAudioEnabled)
michael@0: {
michael@0:   SendEnableAudio(aAudioEnabled);
michael@0: }
michael@0: 
michael@0: // static
michael@0: FMRadioChild*
michael@0: FMRadioChild::Singleton()
michael@0: {
michael@0:   MOZ_ASSERT(XRE_GetProcessType() != GeckoProcessType_Default);
michael@0:   MOZ_ASSERT(NS_IsMainThread());
michael@0: 
michael@0:   if (!sFMRadioChild) {
michael@0:     sFMRadioChild = new FMRadioChild();
michael@0:   }
michael@0: 
michael@0:   return sFMRadioChild;
michael@0: }
michael@0: 
michael@0: END_FMRADIO_NAMESPACE
michael@0: