diff -r 000000000000 -r 6474c204b198 dom/fmradio/ipc/FMRadioParent.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/fmradio/ipc/FMRadioParent.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FMRadioParent.h"
+#include "mozilla/unused.h"
+#include "mozilla/dom/ContentParent.h"
+#include "FMRadioRequestParent.h"
+#include "FMRadioService.h"
+
+BEGIN_FMRADIO_NAMESPACE
+
+FMRadioParent::FMRadioParent()
+{
+  MOZ_COUNT_CTOR(FMRadioParent);
+
+  IFMRadioService::Singleton()->AddObserver(this);
+}
+
+FMRadioParent::~FMRadioParent()
+{
+  MOZ_COUNT_DTOR(FMRadioParent);
+
+  IFMRadioService::Singleton()->RemoveObserver(this);
+}
+
+bool
+FMRadioParent::RecvGetStatusInfo(StatusInfo* aStatusInfo)
+{
+  aStatusInfo->enabled() = IFMRadioService::Singleton()->IsEnabled();
+  aStatusInfo->frequency() = IFMRadioService::Singleton()->GetFrequency();
+  aStatusInfo->upperBound() =
+    IFMRadioService::Singleton()->GetFrequencyUpperBound();
+  aStatusInfo->lowerBound() =
+    IFMRadioService::Singleton()->GetFrequencyLowerBound();
+  aStatusInfo->channelWidth() =
+    IFMRadioService::Singleton()->GetChannelWidth();
+  return true;
+}
+
+PFMRadioRequestParent*
+FMRadioParent::AllocPFMRadioRequestParent(const FMRadioRequestArgs& aArgs)
+{
+  nsRefPtr<FMRadioRequestParent> requestParent = new FMRadioRequestParent();
+
+  switch (aArgs.type()) {
+    case FMRadioRequestArgs::TEnableRequestArgs:
+      IFMRadioService::Singleton()->Enable(
+        aArgs.get_EnableRequestArgs().frequency(), requestParent);
+      break;
+    case FMRadioRequestArgs::TDisableRequestArgs:
+      IFMRadioService::Singleton()->Disable(requestParent);
+      break;
+    case FMRadioRequestArgs::TSetFrequencyRequestArgs:
+      IFMRadioService::Singleton()->SetFrequency(
+        aArgs.get_SetFrequencyRequestArgs().frequency(), requestParent);
+      break;
+    case FMRadioRequestArgs::TSeekRequestArgs:
+      IFMRadioService::Singleton()->Seek(
+        aArgs.get_SeekRequestArgs().direction(), requestParent);
+      break;
+    case FMRadioRequestArgs::TCancelSeekRequestArgs:
+      IFMRadioService::Singleton()->CancelSeek(requestParent);
+      break;
+    default:
+      MOZ_CRASH();
+  }
+
+  // Balanced in DeallocPFMRadioRequestParent
+  return requestParent.forget().take();
+}
+
+bool
+FMRadioParent::DeallocPFMRadioRequestParent(PFMRadioRequestParent* aActor)
+{
+  FMRadioRequestParent* parent = static_cast<FMRadioRequestParent*>(aActor);
+  NS_RELEASE(parent);
+  return true;
+}
+
+void
+FMRadioParent::Notify(const FMRadioEventType& aType)
+{
+  switch (aType) {
+    case FrequencyChanged:
+      unused << SendNotifyFrequencyChanged(
+        IFMRadioService::Singleton()->GetFrequency());
+      break;
+    case EnabledChanged:
+      unused << SendNotifyEnabledChanged(
+        IFMRadioService::Singleton()->IsEnabled(),
+        IFMRadioService::Singleton()->GetFrequency());
+      break;
+    default:
+      NS_RUNTIMEABORT("not reached");
+      break;
+  }
+}
+
+bool
+FMRadioParent::RecvEnableAudio(const bool& aAudioEnabled)
+{
+  IFMRadioService::Singleton()->EnableAudio(aAudioEnabled);
+  return true;
+}
+
+END_FMRADIO_NAMESPACE
+