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-rw-r--r--dom/presentation/provider/LegacyMDNSDeviceProvider.cpp774
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