Issue #1390 - Get rid of the Presentation API

1 files changed, 0 insertions, 774 deletions

diff --git a/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp b/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp
deleted file mode 100644
index 54849c9e3..000000000
--- a/dom/presentation/provider/LegacyMDNSDeviceProvider.cpp
+++ /dev/null
@@ -1,774 +0,0 @@
-/* -*- 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 "LegacyMDNSDeviceProvider.h"
-
-#include "DeviceProviderHelpers.h"
-#include "MainThreadUtils.h"
-#include "mozilla/Logging.h"
-#include "mozilla/Preferences.h"
-#include "mozilla/Services.h"
-#include "mozilla/Unused.h"
-#include "nsComponentManagerUtils.h"
-#include "nsIObserverService.h"
-#include "nsIWritablePropertyBag2.h"
-#include "nsServiceManagerUtils.h"
-#include "nsTCPDeviceInfo.h"
-#include "nsThreadUtils.h"
-#include "nsIPropertyBag2.h"
-
-#define PREF_PRESENTATION_DISCOVERY_LEGACY "dom.presentation.discovery.legacy.enabled"
-#define PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS "dom.presentation.discovery.timeout_ms"
-#define PREF_PRESENTATION_DEVICE_NAME "dom.presentation.device.name"
-
-#define LEGACY_SERVICE_TYPE "_mozilla_papi._tcp"
-
-#define LEGACY_PRESENTATION_CONTROL_SERVICE_CONTACT_ID "@mozilla.org/presentation/legacy-control-service;1"
-
-static mozilla::LazyLogModule sLegacyMDNSProviderLogModule("LegacyMDNSDeviceProvider");
-
-#undef LOG_I
-#define LOG_I(...) MOZ_LOG(sLegacyMDNSProviderLogModule, mozilla::LogLevel::Debug, (__VA_ARGS__))
-#undef LOG_E
-#define LOG_E(...) MOZ_LOG(sLegacyMDNSProviderLogModule, mozilla::LogLevel::Error, (__VA_ARGS__))
-
-namespace mozilla {
-namespace dom {
-namespace presentation {
-namespace legacy {
-
-static const char* kObservedPrefs[] = {
-  PREF_PRESENTATION_DISCOVERY_LEGACY,
-  PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS,
-  PREF_PRESENTATION_DEVICE_NAME,
-  nullptr
-};
-
-namespace {
-
-static void
-GetAndroidDeviceName(nsACString& aRetVal)
-{
-  nsCOMPtr<nsIPropertyBag2> infoService = do_GetService("@mozilla.org/system-info;1");
-  MOZ_ASSERT(infoService, "Could not find a system info service");
-
-  Unused << NS_WARN_IF(NS_FAILED(infoService->GetPropertyAsACString(
-                                   NS_LITERAL_STRING("device"), aRetVal)));
-}
-
-} //anonymous namespace
-
-/**
- * This wrapper is used to break circular-reference problem.
- */
-class DNSServiceWrappedListener final
-  : public nsIDNSServiceDiscoveryListener
-  , public nsIDNSServiceResolveListener
-{
-public:
-  NS_DECL_ISUPPORTS
-  NS_FORWARD_SAFE_NSIDNSSERVICEDISCOVERYLISTENER(mListener)
-  NS_FORWARD_SAFE_NSIDNSSERVICERESOLVELISTENER(mListener)
-
-  explicit DNSServiceWrappedListener() = default;
-
-  nsresult SetListener(LegacyMDNSDeviceProvider* aListener)
-  {
-    mListener = aListener;
-    return NS_OK;
-  }
-
-private:
-  virtual ~DNSServiceWrappedListener() = default;
-
-  LegacyMDNSDeviceProvider* mListener = nullptr;
-};
-
-NS_IMPL_ISUPPORTS(DNSServiceWrappedListener,
-                  nsIDNSServiceDiscoveryListener,
-                  nsIDNSServiceResolveListener)
-
-NS_IMPL_ISUPPORTS(LegacyMDNSDeviceProvider,
-                  nsIPresentationDeviceProvider,
-                  nsIDNSServiceDiscoveryListener,
-                  nsIDNSServiceResolveListener,
-                  nsIObserver)
-
-LegacyMDNSDeviceProvider::~LegacyMDNSDeviceProvider()
-{
-  Uninit();
-}
-
-nsresult
-LegacyMDNSDeviceProvider::Init()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (mInitialized) {
-    return NS_OK;
-  }
-
-  nsresult rv;
-
-  mMulticastDNS = do_GetService(DNSSERVICEDISCOVERY_CONTRACT_ID, &rv);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return rv;
-  }
-
-  mWrappedListener = new DNSServiceWrappedListener();
-  if (NS_WARN_IF(NS_FAILED(rv = mWrappedListener->SetListener(this)))) {
-    return rv;
-  }
-
-  mPresentationService = do_CreateInstance(LEGACY_PRESENTATION_CONTROL_SERVICE_CONTACT_ID, &rv);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return rv;
-  }
-
-  mDiscoveryTimer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return rv;
-  }
-
-  Preferences::AddStrongObservers(this, kObservedPrefs);
-
-  mDiscoveryEnabled = Preferences::GetBool(PREF_PRESENTATION_DISCOVERY_LEGACY);
-  mDiscoveryTimeoutMs = Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS);
-  mServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
-
-  // FIXME: Bug 1185806 - Provide a common device name setting.
-  if (mServiceName.IsEmpty()) {
-    GetAndroidDeviceName(mServiceName);
-    Unused << Preferences::SetCString(PREF_PRESENTATION_DEVICE_NAME, mServiceName);
-  }
-
-  Unused << mPresentationService->SetId(mServiceName);
-
-  if (mDiscoveryEnabled && NS_WARN_IF(NS_FAILED(rv = ForceDiscovery()))) {
-    return rv;
-  }
-
-  mInitialized = true;
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::Uninit()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (!mInitialized) {
-    return NS_OK;
-  }
-
-  ClearDevices();
-
-  Preferences::RemoveObservers(this, kObservedPrefs);
-
-  StopDiscovery(NS_OK);
-
-  mMulticastDNS = nullptr;
-
-  if (mWrappedListener) {
-    mWrappedListener->SetListener(nullptr);
-    mWrappedListener = nullptr;
-  }
-
-  mInitialized = false;
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::StopDiscovery(nsresult aReason)
-{
-  LOG_I("StopDiscovery (0x%08x)", aReason);
-
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(mDiscoveryTimer);
-
-  Unused << mDiscoveryTimer->Cancel();
-
-  if (mDiscoveryRequest) {
-    mDiscoveryRequest->Cancel(aReason);
-    mDiscoveryRequest = nullptr;
-  }
-
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::Connect(Device* aDevice,
-                                  nsIPresentationControlChannel** aRetVal)
-{
-  MOZ_ASSERT(aDevice);
-  MOZ_ASSERT(mPresentationService);
-
-  RefPtr<TCPDeviceInfo> deviceInfo = new TCPDeviceInfo(aDevice->Id(),
-                                                       aDevice->Address(),
-                                                       aDevice->Port(),
-                                                       EmptyCString());
-
-  return mPresentationService->Connect(deviceInfo, aRetVal);
-}
-
-nsresult
-LegacyMDNSDeviceProvider::AddDevice(const nsACString& aId,
-                                    const nsACString& aServiceName,
-                                    const nsACString& aServiceType,
-                                    const nsACString& aAddress,
-                                    const uint16_t aPort)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(mPresentationService);
-
-  RefPtr<Device> device = new Device(aId, /* ID */
-                                     aServiceName,
-                                     aServiceType,
-                                     aAddress,
-                                     aPort,
-                                     DeviceState::eActive,
-                                     this);
-
-  nsCOMPtr<nsIPresentationDeviceListener> listener;
-  if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
-    Unused << listener->AddDevice(device);
-  }
-
-  mDevices.AppendElement(device);
-
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::UpdateDevice(const uint32_t aIndex,
-                                       const nsACString& aServiceName,
-                                       const nsACString& aServiceType,
-                                       const nsACString& aAddress,
-                                       const uint16_t aPort)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(mPresentationService);
-
-  if (NS_WARN_IF(aIndex >= mDevices.Length())) {
-    return NS_ERROR_INVALID_ARG;
-  }
-
-  RefPtr<Device> device = mDevices[aIndex];
-  device->Update(aServiceName, aServiceType, aAddress, aPort);
-  device->ChangeState(DeviceState::eActive);
-
-  nsCOMPtr<nsIPresentationDeviceListener> listener;
-  if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
-    Unused << listener->UpdateDevice(device);
-  }
-
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::RemoveDevice(const uint32_t aIndex)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(mPresentationService);
-
-  if (NS_WARN_IF(aIndex >= mDevices.Length())) {
-    return NS_ERROR_INVALID_ARG;
-  }
-
-  RefPtr<Device> device = mDevices[aIndex];
-
-  LOG_I("RemoveDevice: %s", device->Id().get());
-  mDevices.RemoveElementAt(aIndex);
-
-  nsCOMPtr<nsIPresentationDeviceListener> listener;
-  if (NS_SUCCEEDED(GetListener(getter_AddRefs(listener))) && listener) {
-    Unused << listener->RemoveDevice(device);
-  }
-
-  return NS_OK;
-}
-
-bool
-LegacyMDNSDeviceProvider::FindDeviceById(const nsACString& aId,
-                                         uint32_t& aIndex)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  RefPtr<Device> device = new Device(aId,
-                                     /* aName = */ EmptyCString(),
-                                     /* aType = */ EmptyCString(),
-                                     /* aHost = */ EmptyCString(),
-                                     /* aPort = */ 0,
-                                     /* aState = */ DeviceState::eUnknown,
-                                     /* aProvider = */ nullptr);
-  size_t index = mDevices.IndexOf(device, 0, DeviceIdComparator());
-
-  if (index == mDevices.NoIndex) {
-    return false;
-  }
-
-  aIndex = index;
-  return true;
-}
-
-bool
-LegacyMDNSDeviceProvider::FindDeviceByAddress(const nsACString& aAddress,
-                                              uint32_t& aIndex)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  RefPtr<Device> device = new Device(/* aId = */ EmptyCString(),
-                                     /* aName = */ EmptyCString(),
-                                     /* aType = */ EmptyCString(),
-                                     aAddress,
-                                     /* aPort = */ 0,
-                                     /* aState = */ DeviceState::eUnknown,
-                                     /* aProvider = */ nullptr);
-  size_t index = mDevices.IndexOf(device, 0, DeviceAddressComparator());
-
-  if (index == mDevices.NoIndex) {
-    return false;
-  }
-
-  aIndex = index;
-  return true;
-}
-
-void
-LegacyMDNSDeviceProvider::MarkAllDevicesUnknown()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  for (auto& device : mDevices) {
-    device->ChangeState(DeviceState::eUnknown);
-  }
-}
-
-void
-LegacyMDNSDeviceProvider::ClearUnknownDevices()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  size_t i = mDevices.Length();
-  while (i > 0) {
-    --i;
-    if (mDevices[i]->State() == DeviceState::eUnknown) {
-      Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
-    }
-  }
-}
-
-void
-LegacyMDNSDeviceProvider::ClearDevices()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  size_t i = mDevices.Length();
-  while (i > 0) {
-    --i;
-    Unused << NS_WARN_IF(NS_FAILED(RemoveDevice(i)));
-  }
-}
-
-// nsIPresentationDeviceProvider
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::GetListener(nsIPresentationDeviceListener** aListener)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (NS_WARN_IF(!aListener)) {
-    return NS_ERROR_INVALID_POINTER;
-  }
-
-  nsresult rv;
-  nsCOMPtr<nsIPresentationDeviceListener> listener =
-    do_QueryReferent(mDeviceListener, &rv);
-  if (NS_WARN_IF(NS_FAILED(rv))) {
-    return rv;
-  }
-
-  listener.forget(aListener);
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::SetListener(nsIPresentationDeviceListener* aListener)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  mDeviceListener = do_GetWeakReference(aListener);
-
-  nsresult rv;
-  if (mDeviceListener) {
-    if (NS_WARN_IF(NS_FAILED(rv = Init()))) {
-      return rv;
-    }
-  } else {
-    if (NS_WARN_IF(NS_FAILED(rv = Uninit()))) {
-      return rv;
-    }
-  }
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::ForceDiscovery()
-{
-  LOG_I("ForceDiscovery (%d)", mDiscoveryEnabled);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (!mDiscoveryEnabled) {
-    return NS_OK;
-  }
-
-  MOZ_ASSERT(mDiscoveryTimer);
-  MOZ_ASSERT(mMulticastDNS);
-
-  // if it's already discovering, extend existing discovery timeout.
-  nsresult rv;
-  if (mIsDiscovering) {
-    Unused << mDiscoveryTimer->Cancel();
-
-    if (NS_WARN_IF(NS_FAILED( rv = mDiscoveryTimer->Init(this,
-        mDiscoveryTimeoutMs,
-        nsITimer::TYPE_ONE_SHOT)))) {
-        return rv;
-    }
-    return NS_OK;
-  }
-
-  StopDiscovery(NS_OK);
-
-  if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->StartDiscovery(
-      NS_LITERAL_CSTRING(LEGACY_SERVICE_TYPE),
-      mWrappedListener,
-      getter_AddRefs(mDiscoveryRequest))))) {
-    return rv;
-  }
-
-  return NS_OK;
-}
-
-// nsIDNSServiceDiscoveryListener
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnDiscoveryStarted(const nsACString& aServiceType)
-{
-  LOG_I("OnDiscoveryStarted");
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(mDiscoveryTimer);
-
-  MarkAllDevicesUnknown();
-
-  nsresult rv;
-  if (NS_WARN_IF(NS_FAILED(rv = mDiscoveryTimer->Init(this,
-                                                      mDiscoveryTimeoutMs,
-                                                      nsITimer::TYPE_ONE_SHOT)))) {
-    return rv;
-  }
-
-  mIsDiscovering = true;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnDiscoveryStopped(const nsACString& aServiceType)
-{
-  LOG_I("OnDiscoveryStopped");
-  MOZ_ASSERT(NS_IsMainThread());
-
-  ClearUnknownDevices();
-
-  mIsDiscovering = false;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnServiceFound(nsIDNSServiceInfo* aServiceInfo)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (NS_WARN_IF(!aServiceInfo)) {
-    return NS_ERROR_INVALID_ARG;
-  }
-
-  nsresult rv ;
-
-  nsAutoCString serviceName;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
-    return rv;
-  }
-
-  LOG_I("OnServiceFound: %s", serviceName.get());
-
-  if (mMulticastDNS) {
-    if (NS_WARN_IF(NS_FAILED(rv = mMulticastDNS->ResolveService(
-        aServiceInfo, mWrappedListener)))) {
-      return rv;
-    }
-  }
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnServiceLost(nsIDNSServiceInfo* aServiceInfo)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (NS_WARN_IF(!aServiceInfo)) {
-    return NS_ERROR_INVALID_ARG;
-  }
-
-  nsresult rv;
-
-  nsAutoCString serviceName;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
-    return rv;
-  }
-
-  LOG_I("OnServiceLost: %s", serviceName.get());
-
-  nsAutoCString host;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
-    return rv;
-  }
-
-  uint32_t index;
-  if (!FindDeviceById(host, index)) {
-    // given device was not found
-    return NS_OK;
-  }
-
-  if (NS_WARN_IF(NS_FAILED(rv = RemoveDevice(index)))) {
-    return rv;
-  }
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnStartDiscoveryFailed(const nsACString& aServiceType,
-                                                 int32_t aErrorCode)
-{
-  LOG_E("OnStartDiscoveryFailed: %d", aErrorCode);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnStopDiscoveryFailed(const nsACString& aServiceType,
-                                                int32_t aErrorCode)
-{
-  LOG_E("OnStopDiscoveryFailed: %d", aErrorCode);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  return NS_OK;
-}
-
-// nsIDNSServiceResolveListener
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnServiceResolved(nsIDNSServiceInfo* aServiceInfo)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (NS_WARN_IF(!aServiceInfo)) {
-    return NS_ERROR_INVALID_ARG;
-  }
-
-  nsresult rv;
-
-  nsAutoCString serviceName;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceName(serviceName)))) {
-    return rv;
-  }
-
-  LOG_I("OnServiceResolved: %s", serviceName.get());
-
-  nsAutoCString host;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetHost(host)))) {
-    return rv;
-  }
-
-  nsAutoCString address;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetAddress(address)))) {
-    return rv;
-  }
-
-  uint16_t port;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetPort(&port)))) {
-    return rv;
-  }
-
-  nsAutoCString serviceType;
-  if (NS_WARN_IF(NS_FAILED(rv = aServiceInfo->GetServiceType(serviceType)))) {
-    return rv;
-  }
-
-  uint32_t index;
-  if (FindDeviceById(host, index)) {
-    return UpdateDevice(index,
-                        serviceName,
-                        serviceType,
-                        address,
-                        port);
-  } else {
-    return AddDevice(host,
-                     serviceName,
-                     serviceType,
-                     address,
-                     port);
-  }
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::OnResolveFailed(nsIDNSServiceInfo* aServiceInfo,
-                                          int32_t aErrorCode)
-{
-  LOG_E("OnResolveFailed: %d", aErrorCode);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  return NS_OK;
-}
-
-// nsIObserver
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Observe(nsISupports* aSubject,
-                                  const char* aTopic,
-                                  const char16_t* aData)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  NS_ConvertUTF16toUTF8 data(aData);
-  LOG_I("Observe: topic = %s, data = %s", aTopic, data.get());
-
-  if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
-    if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY_LEGACY)) {
-      OnDiscoveryChanged(Preferences::GetBool(PREF_PRESENTATION_DISCOVERY_LEGACY));
-    } else if (data.EqualsLiteral(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS)) {
-      OnDiscoveryTimeoutChanged(Preferences::GetUint(PREF_PRESENTATION_DISCOVERY_TIMEOUT_MS));
-    } else if (data.EqualsLiteral(PREF_PRESENTATION_DEVICE_NAME)) {
-      nsAdoptingCString newServiceName = Preferences::GetCString(PREF_PRESENTATION_DEVICE_NAME);
-      if (!mServiceName.Equals(newServiceName)) {
-        OnServiceNameChanged(newServiceName);
-      }
-    }
-  } else if (!strcmp(aTopic, NS_TIMER_CALLBACK_TOPIC)) {
-    StopDiscovery(NS_OK);
-  }
-
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::OnDiscoveryChanged(bool aEnabled)
-{
-  LOG_I("DiscoveryEnabled = %d\n", aEnabled);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  mDiscoveryEnabled = aEnabled;
-
-  if (mDiscoveryEnabled) {
-    return ForceDiscovery();
-  }
-
-  return StopDiscovery(NS_OK);
-}
-
-nsresult
-LegacyMDNSDeviceProvider::OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs)
-{
-  LOG_I("OnDiscoveryTimeoutChanged = %d\n", aTimeoutMs);
-  MOZ_ASSERT(NS_IsMainThread());
-
-  mDiscoveryTimeoutMs = aTimeoutMs;
-
-  return NS_OK;
-}
-
-nsresult
-LegacyMDNSDeviceProvider::OnServiceNameChanged(const nsACString& aServiceName)
-{
-  LOG_I("serviceName = %s\n", PromiseFlatCString(aServiceName).get());
-  MOZ_ASSERT(NS_IsMainThread());
-
-  mServiceName = aServiceName;
-  mPresentationService->SetId(mServiceName);
-
-  return NS_OK;
-}
-
-// LegacyMDNSDeviceProvider::Device
-NS_IMPL_ISUPPORTS(LegacyMDNSDeviceProvider::Device,
-                  nsIPresentationDevice)
-
-// nsIPresentationDevice
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::GetId(nsACString& aId)
-{
-  aId = mId;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::GetName(nsACString& aName)
-{
-  aName = mName;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::GetType(nsACString& aType)
-{
-  aType = mType;
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::EstablishControlChannel(
-                                        nsIPresentationControlChannel** aRetVal)
-{
-  if (!mProvider) {
-    return NS_ERROR_FAILURE;
-  }
-
-  return mProvider->Connect(this, aRetVal);
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::Disconnect()
-{
-  // No need to do anything when disconnect.
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-LegacyMDNSDeviceProvider::Device::IsRequestedUrlSupported(
-                                                 const nsAString& aRequestedUrl,
-                                                 bool* aRetVal)
-{
-  if (!aRetVal) {
-    return NS_ERROR_INVALID_POINTER;
-  }
-
-  // Legacy TV 2.5 device only support a fixed set of presentation Apps.
-  *aRetVal = DeviceProviderHelpers::IsFxTVSupportedAppUrl(aRequestedUrl);
-
-  return NS_OK;
-}
-
-} // namespace legacy
-} // namespace presentation
-} // namespace dom
-} // namespace mozilla