mozilla
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gecko-dev
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gecko-dev/dom/base/Navigator.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
// Needs to be first.
#include "base/basictypes.h"
#include "Navigator.h"
#include "nsIXULAppInfo.h"
#include "nsPluginArray.h"
#include "nsMimeTypeArray.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/dom/DesktopNotification.h"
#include "mozilla/dom/File.h"
#include "nsGeolocation.h"
#include "nsIClassOfService.h"
#include "nsIHttpProtocolHandler.h"
#include "nsIContentPolicy.h"
#include "nsIContentSecurityPolicy.h"
#include "nsContentPolicyUtils.h"
#include "nsISupportsPriority.h"
#include "nsICachingChannel.h"
#include "nsIWebContentHandlerRegistrar.h"
#include "nsICookiePermission.h"
#include "nsIScriptSecurityManager.h"
#include "nsCharSeparatedTokenizer.h"
#include "nsContentUtils.h"
#include "nsUnicharUtils.h"
#include "mozilla/Preferences.h"
#include "mozilla/Telemetry.h"
#include "BatteryManager.h"
#include "mozilla/dom/DeviceStorageAreaListener.h"
#ifdef MOZ_GAMEPAD
#include "mozilla/dom/GamepadServiceTest.h"
#endif
#include "mozilla/dom/PowerManager.h"
#include "mozilla/dom/WakeLock.h"
#include "mozilla/dom/power/PowerManagerService.h"
#include "mozilla/dom/CellBroadcast.h"
#include "mozilla/dom/FlyWebPublishedServer.h"
#include "mozilla/dom/FlyWebService.h"
#include "mozilla/dom/IccManager.h"
#include "mozilla/dom/InputPortManager.h"
#include "mozilla/dom/MobileMessageManager.h"
#include "mozilla/dom/Permissions.h"
#include "mozilla/dom/Presentation.h"
#include "mozilla/dom/ServiceWorkerContainer.h"
#include "mozilla/dom/StorageManager.h"
#include "mozilla/dom/TCPSocket.h"
#include "mozilla/dom/Telephony.h"
#include "mozilla/dom/Voicemail.h"
#include "mozilla/dom/TVManager.h"
#include "mozilla/dom/VRDisplay.h"
#include "mozilla/dom/workers/RuntimeService.h"
#include "mozilla/Hal.h"
#include "nsISiteSpecificUserAgent.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/StaticPtr.h"
#include "Connection.h"
#include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent()
#include "nsGlobalWindow.h"
#ifdef MOZ_B2G_RIL
#include "mozilla/dom/MobileConnectionArray.h"
#endif
#include "nsIIdleObserver.h"
#include "nsIPermissionManager.h"
#include "nsMimeTypes.h"
#include "nsNetUtil.h"
#include "nsStringStream.h"
#include "nsComponentManagerUtils.h"
#include "nsIStringStream.h"
#include "nsIHttpChannel.h"
#include "nsIHttpChannelInternal.h"
#include "TimeManager.h"
#include "DeviceStorage.h"
#include "nsStreamUtils.h"
#include "nsIAppsService.h"
#include "mozIApplication.h"
#include "WidgetUtils.h"
#include "nsIPresentationService.h"
#include "mozilla/dom/MediaDevices.h"
#include "MediaManager.h"
#ifdef MOZ_B2G_BT
#include "BluetoothManager.h"
#endif
#include "DOMCameraManager.h"
#ifdef MOZ_AUDIO_CHANNEL_MANAGER
#include "AudioChannelManager.h"
#endif
#ifdef MOZ_B2G_FM
#include "mozilla/dom/FMRadio.h"
#endif
#include "nsIDOMGlobalPropertyInitializer.h"
#include "nsJSUtils.h"
#include "nsScriptNameSpaceManager.h"
#include "mozilla/dom/NavigatorBinding.h"
#include "mozilla/dom/Promise.h"
#include "nsIUploadChannel2.h"
#include "mozilla/dom/FormData.h"
#include "nsIDocShell.h"
#include "WorkerPrivate.h"
#include "WorkerRunnable.h"
#if defined(XP_LINUX)
#include "mozilla/Hal.h"
#endif
#include "mozilla/dom/ContentChild.h"
#include "mozilla/EMEUtils.h"
#include "mozilla/DetailedPromise.h"
namespace mozilla {
namespace dom {
static bool sVibratorEnabled = false;
static uint32_t sMaxVibrateMS = 0;
static uint32_t sMaxVibrateListLen = 0;
static const char* kVibrationPermissionType = "vibration";
static void
AddPermission(nsIPrincipal* aPrincipal, const char* aType, uint32_t aPermission,
uint32_t aExpireType, int64_t aExpireTime)
{
MOZ_ASSERT(aType);
MOZ_ASSERT(aPrincipal);
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
if (!permMgr) {
return;
}
permMgr->AddFromPrincipal(aPrincipal, aType, aPermission, aExpireType,
aExpireTime);
}
static uint32_t
GetPermission(nsPIDOMWindowInner* aWindow, const char* aType)
{
MOZ_ASSERT(aType);
uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
if (!permMgr) {
return permission;
}
permMgr->TestPermissionFromWindow(aWindow, aType, &permission);
return permission;
}
static uint32_t
GetPermission(nsIPrincipal* aPrincipal, const char* aType)
{
MOZ_ASSERT(aType);
MOZ_ASSERT(aPrincipal);
uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
if (!permMgr) {
return permission;
}
permMgr->TestPermissionFromPrincipal(aPrincipal, aType, &permission);
return permission;
}
/* static */
void
Navigator::Init()
{
Preferences::AddBoolVarCache(&sVibratorEnabled,
"dom.vibrator.enabled", true);
Preferences::AddUintVarCache(&sMaxVibrateMS,
"dom.vibrator.max_vibrate_ms", 10000);
Preferences::AddUintVarCache(&sMaxVibrateListLen,
"dom.vibrator.max_vibrate_list_len", 128);
}
Navigator::Navigator(nsPIDOMWindowInner* aWindow)
: mWindow(aWindow)
{
MOZ_ASSERT(aWindow->IsInnerWindow(), "Navigator must get an inner window!");
}
Navigator::~Navigator()
{
Invalidate();
}
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Navigator)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMNavigator)
NS_INTERFACE_MAP_ENTRY(nsIDOMNavigator)
NS_INTERFACE_MAP_ENTRY(nsIMozNavigatorNetwork)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(Navigator)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Navigator)
NS_IMPL_CYCLE_COLLECTION_CLASS(Navigator)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Navigator)
tmp->Invalidate();
NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Navigator)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMimeTypes)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPlugins)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPermissions)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGeolocation)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mNotification)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBatteryManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBatteryPromise)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPowerManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCellBroadcast)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIccManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMobileMessageManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTelephony)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVoicemail)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTVManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mInputPortManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mConnection)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mStorageManager)
#ifdef MOZ_B2G_RIL
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMobileConnections)
#endif
#ifdef MOZ_B2G_BT
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBluetooth)
#endif
#ifdef MOZ_AUDIO_CHANNEL_MANAGER
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAudioChannelManager)
#endif
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCameraManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaDevices)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTimeManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServiceWorkerContainer)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaKeySystemAccessManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDeviceStorageAreaListener)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPresentation)
#ifdef MOZ_GAMEPAD
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGamepadServiceTest)
#endif
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVRGetDisplaysPromises)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(Navigator)
void
Navigator::Invalidate()
{
// Don't clear mWindow here so we know we've got a non-null mWindow
// until we're unlinked.
mMimeTypes = nullptr;
if (mPlugins) {
mPlugins->Invalidate();
mPlugins = nullptr;
}
mPermissions = nullptr;
mStorageManager = nullptr;
// If there is a page transition, make sure delete the geolocation object.
if (mGeolocation) {
mGeolocation->Shutdown();
mGeolocation = nullptr;
}
if (mNotification) {
mNotification->Shutdown();
mNotification = nullptr;
}
if (mBatteryManager) {
mBatteryManager->Shutdown();
mBatteryManager = nullptr;
}
mBatteryPromise = nullptr;
#ifdef MOZ_B2G_FM
if (mFMRadio) {
mFMRadio->Shutdown();
mFMRadio = nullptr;
}
#endif
if (mPowerManager) {
mPowerManager->Shutdown();
mPowerManager = nullptr;
}
if (mCellBroadcast) {
mCellBroadcast = nullptr;
}
if (mIccManager) {
mIccManager->Shutdown();
mIccManager = nullptr;
}
if (mMobileMessageManager) {
mMobileMessageManager->Shutdown();
mMobileMessageManager = nullptr;
}
if (mTelephony) {
mTelephony = nullptr;
}
if (mVoicemail) {
mVoicemail->Shutdown();
mVoicemail = nullptr;
}
if (mTVManager) {
mTVManager = nullptr;
}
if (mInputPortManager) {
mInputPortManager = nullptr;
}
if (mConnection) {
mConnection->Shutdown();
mConnection = nullptr;
}
#ifdef MOZ_B2G_RIL
if (mMobileConnections) {
mMobileConnections = nullptr;
}
#endif
#ifdef MOZ_B2G_BT
if (mBluetooth) {
mBluetooth = nullptr;
}
#endif
mCameraManager = nullptr;
mMediaDevices = nullptr;
#ifdef MOZ_AUDIO_CHANNEL_MANAGER
if (mAudioChannelManager) {
mAudioChannelManager = nullptr;
}
#endif
uint32_t len = mDeviceStorageStores.Length();
for (uint32_t i = 0; i < len; ++i) {
RefPtr<nsDOMDeviceStorage> ds = do_QueryReferent(mDeviceStorageStores[i]);
if (ds) {
ds->Shutdown();
}
}
mDeviceStorageStores.Clear();
if (mTimeManager) {
mTimeManager = nullptr;
}
if (mPresentation) {
mPresentation = nullptr;
}
mServiceWorkerContainer = nullptr;
if (mMediaKeySystemAccessManager) {
mMediaKeySystemAccessManager->Shutdown();
mMediaKeySystemAccessManager = nullptr;
}
if (mDeviceStorageAreaListener) {
mDeviceStorageAreaListener = nullptr;
}
#ifdef MOZ_GAMEPAD
if (mGamepadServiceTest) {
mGamepadServiceTest->Shutdown();
mGamepadServiceTest = nullptr;
}
#endif
mVRGetDisplaysPromises.Clear();
}
//*****************************************************************************
// Navigator::nsIDOMNavigator
//*****************************************************************************
NS_IMETHODIMP
Navigator::GetUserAgent(nsAString& aUserAgent)
{
nsCOMPtr<nsIURI> codebaseURI;
nsCOMPtr<nsPIDOMWindowInner> window;
if (mWindow) {
window = mWindow;
nsIDocShell* docshell = window->GetDocShell();
nsString customUserAgent;
if (docshell) {
docshell->GetCustomUserAgent(customUserAgent);
if (!customUserAgent.IsEmpty()) {
aUserAgent = customUserAgent;
return NS_OK;
}
nsIDocument* doc = mWindow->GetExtantDoc();
if (doc) {
doc->NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
}
}
}
return GetUserAgent(window, codebaseURI, nsContentUtils::IsCallerChrome(),
aUserAgent);
}
NS_IMETHODIMP
Navigator::GetAppCodeName(nsAString& aAppCodeName)
{
nsresult rv;
nsCOMPtr<nsIHttpProtocolHandler>
service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString appName;
rv = service->GetAppName(appName);
CopyASCIItoUTF16(appName, aAppCodeName);
return rv;
}
NS_IMETHODIMP
Navigator::GetAppVersion(nsAString& aAppVersion)
{
return GetAppVersion(aAppVersion, /* aUsePrefOverriddenValue */ true);
}
NS_IMETHODIMP
Navigator::GetAppName(nsAString& aAppName)
{
AppName(aAppName, /* aUsePrefOverriddenValue */ true);
return NS_OK;
}
/**
* Returns the value of Accept-Languages (HTTP header) as a nsTArray of
* languages. The value is set in the preference by the user ("Content
* Languages").
*
* "en", "en-US" and "i-cherokee" and "" are valid languages tokens.
*
* An empty array will be returned if there is no valid languages.
*/
/* static */ void
Navigator::GetAcceptLanguages(nsTArray<nsString>& aLanguages)
{
MOZ_ASSERT(NS_IsMainThread());
aLanguages.Clear();
// E.g. "de-de, en-us,en".
const nsAdoptingString& acceptLang =
Preferences::GetLocalizedString("intl.accept_languages");
// Split values on commas.
nsCharSeparatedTokenizer langTokenizer(acceptLang, ',');
while (langTokenizer.hasMoreTokens()) {
nsDependentSubstring lang = langTokenizer.nextToken();
// Replace "_" with "-" to avoid POSIX/Windows "en_US" notation.
// NOTE: we should probably rely on the pref being set correctly.
if (lang.Length() > 2 && lang[2] == char16_t('_')) {
lang.Replace(2, 1, char16_t('-'));
}
// Use uppercase for country part, e.g. "en-US", not "en-us", see BCP47
// only uppercase 2-letter country codes, not "zh-Hant", "de-DE-x-goethe".
// NOTE: we should probably rely on the pref being set correctly.
if (lang.Length() > 2) {
nsCharSeparatedTokenizer localeTokenizer(lang, '-');
int32_t pos = 0;
bool first = true;
while (localeTokenizer.hasMoreTokens()) {
const nsSubstring& code = localeTokenizer.nextToken();
if (code.Length() == 2 && !first) {
nsAutoString upper(code);
ToUpperCase(upper);
lang.Replace(pos, code.Length(), upper);
}
pos += code.Length() + 1; // 1 is the separator
first = false;
}
}
aLanguages.AppendElement(lang);
}
}
/**
* Do not use UI language (chosen app locale) here but the first value set in
* the Accept Languages header, see ::GetAcceptLanguages().
*
* See RFC 2616, Section 15.1.4 "Privacy Issues Connected to Accept Headers" for
* the reasons why.
*/
NS_IMETHODIMP
Navigator::GetLanguage(nsAString& aLanguage)
{
nsTArray<nsString> languages;
GetLanguages(languages);
if (languages.Length() >= 1) {
aLanguage.Assign(languages[0]);
} else {
aLanguage.Truncate();
}
return NS_OK;
}
void
Navigator::GetLanguages(nsTArray<nsString>& aLanguages)
{
GetAcceptLanguages(aLanguages);
// The returned value is cached by the binding code. The window listen to the
// accept languages change and will clear the cache when needed. It has to
// take care of dispatching the DOM event already and the invalidation and the
// event has to be timed correctly.
}
NS_IMETHODIMP
Navigator::GetPlatform(nsAString& aPlatform)
{
return GetPlatform(aPlatform, /* aUsePrefOverriddenValue */ true);
}
NS_IMETHODIMP
Navigator::GetOscpu(nsAString& aOSCPU)
{
if (!nsContentUtils::IsCallerChrome()) {
const nsAdoptingString& override =
Preferences::GetString("general.oscpu.override");
if (override) {
aOSCPU = override;
return NS_OK;
}
}
nsresult rv;
nsCOMPtr<nsIHttpProtocolHandler>
service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString oscpu;
rv = service->GetOscpu(oscpu);
CopyASCIItoUTF16(oscpu, aOSCPU);
return rv;
}
NS_IMETHODIMP
Navigator::GetVendor(nsAString& aVendor)
{
aVendor.Truncate();
return NS_OK;
}
NS_IMETHODIMP
Navigator::GetVendorSub(nsAString& aVendorSub)
{
aVendorSub.Truncate();
return NS_OK;
}
NS_IMETHODIMP
Navigator::GetProduct(nsAString& aProduct)
{
aProduct.AssignLiteral("Gecko");
return NS_OK;
}
NS_IMETHODIMP
Navigator::GetProductSub(nsAString& aProductSub)
{
// Legacy build ID hardcoded for backward compatibility (bug 776376)
aProductSub.AssignLiteral("20100101");
return NS_OK;
}
nsMimeTypeArray*
Navigator::GetMimeTypes(ErrorResult& aRv)
{
if (!mMimeTypes) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mMimeTypes = new nsMimeTypeArray(mWindow);
}
return mMimeTypes;
}
nsPluginArray*
Navigator::GetPlugins(ErrorResult& aRv)
{
if (!mPlugins) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mPlugins = new nsPluginArray(mWindow);
mPlugins->Init();
}
return mPlugins;
}
Permissions*
Navigator::GetPermissions(ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
if (!mPermissions) {
mPermissions = new Permissions(mWindow);
}
return mPermissions;
}
StorageManager*
Navigator::Storage()
{
MOZ_ASSERT(mWindow);
if(!mStorageManager) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
MOZ_ASSERT(global);
mStorageManager = new StorageManager(global);
}
return mStorageManager;
}
// Values for the network.cookie.cookieBehavior pref are documented in
// nsCookieService.cpp.
#define COOKIE_BEHAVIOR_REJECT 2
bool
Navigator::CookieEnabled()
{
bool cookieEnabled =
(Preferences::GetInt("network.cookie.cookieBehavior",
COOKIE_BEHAVIOR_REJECT) != COOKIE_BEHAVIOR_REJECT);
// Check whether an exception overrides the global cookie behavior
// Note that the code for getting the URI here matches that in
// nsHTMLDocument::SetCookie.
if (!mWindow || !mWindow->GetDocShell()) {
return cookieEnabled;
}
nsCOMPtr<nsIDocument> doc = mWindow->GetExtantDoc();
if (!doc) {
return cookieEnabled;
}
nsCOMPtr<nsIURI> codebaseURI;
doc->NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
if (!codebaseURI) {
// Not a codebase, so technically can't set cookies, but let's
// just return the default value.
return cookieEnabled;
}
nsCOMPtr<nsICookiePermission> permMgr =
do_GetService(NS_COOKIEPERMISSION_CONTRACTID);
NS_ENSURE_TRUE(permMgr, cookieEnabled);
// Pass null for the channel, just like the cookie service does.
nsCookieAccess access;
nsresult rv = permMgr->CanAccess(codebaseURI, nullptr, &access);
NS_ENSURE_SUCCESS(rv, cookieEnabled);
if (access != nsICookiePermission::ACCESS_DEFAULT) {
cookieEnabled = access != nsICookiePermission::ACCESS_DENY;
}
return cookieEnabled;
}
bool
Navigator::OnLine()
{
if (mWindow && mWindow->GetDoc()) {
return !NS_IsOffline() &&
!NS_IsAppOffline(mWindow->GetDoc()->NodePrincipal());
}
return !NS_IsOffline();
}
NS_IMETHODIMP
Navigator::GetBuildID(nsAString& aBuildID)
{
if (!nsContentUtils::IsCallerChrome()) {
const nsAdoptingString& override =
Preferences::GetString("general.buildID.override");
if (override) {
aBuildID = override;
return NS_OK;
}
}
nsCOMPtr<nsIXULAppInfo> appInfo =
do_GetService("@mozilla.org/xre/app-info;1");
if (!appInfo) {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsAutoCString buildID;
nsresult rv = appInfo->GetAppBuildID(buildID);
if (NS_FAILED(rv)) {
return rv;
}
aBuildID.Truncate();
AppendASCIItoUTF16(buildID, aBuildID);
return NS_OK;
}
NS_IMETHODIMP
Navigator::GetDoNotTrack(nsAString &aResult)
{
bool doNotTrack = nsContentUtils::DoNotTrackEnabled();
if (!doNotTrack) {
nsCOMPtr<nsILoadContext> loadContext = do_GetInterface(mWindow);
doNotTrack = loadContext && loadContext->UseTrackingProtection();
}
if (doNotTrack) {
aResult.AssignLiteral("1");
} else {
aResult.AssignLiteral("unspecified");
}
return NS_OK;
}
bool
Navigator::JavaEnabled(ErrorResult& aRv)
{
Telemetry::AutoTimer<Telemetry::CHECK_JAVA_ENABLED> telemetryTimer;
// Return true if we have a handler for the java mime
nsAdoptingString javaMIME = Preferences::GetString("plugin.java.mime");
NS_ENSURE_TRUE(!javaMIME.IsEmpty(), false);
if (!mMimeTypes) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return false;
}
mMimeTypes = new nsMimeTypeArray(mWindow);
}
RefreshMIMEArray();
nsMimeType *mimeType = mMimeTypes->NamedItem(javaMIME);
return mimeType && mimeType->GetEnabledPlugin();
}
uint64_t
Navigator::HardwareConcurrency()
{
workers::RuntimeService* rts = workers::RuntimeService::GetOrCreateService();
if (!rts) {
return 1;
}
return rts->ClampedHardwareConcurrency();
}
void
Navigator::RefreshMIMEArray()
{
if (mMimeTypes) {
mMimeTypes->Refresh();
}
}
namespace {
class VibrateWindowListener : public nsIDOMEventListener
{
public:
VibrateWindowListener(nsPIDOMWindowInner* aWindow, nsIDocument* aDocument)
{
mWindow = do_GetWeakReference(aWindow);
mDocument = do_GetWeakReference(aDocument);
NS_NAMED_LITERAL_STRING(visibilitychange, "visibilitychange");
aDocument->AddSystemEventListener(visibilitychange,
this, /* listener */
true, /* use capture */
false /* wants untrusted */);
}
void RemoveListener();
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
private:
virtual ~VibrateWindowListener()
{
}
nsWeakPtr mWindow;
nsWeakPtr mDocument;
};
NS_IMPL_ISUPPORTS(VibrateWindowListener, nsIDOMEventListener)
StaticRefPtr<VibrateWindowListener> gVibrateWindowListener;
static bool
MayVibrate(nsIDocument* doc) {
#if MOZ_WIDGET_GONK
if (XRE_IsParentProcess()) {
return true; // The system app can always vibrate
}
#endif // MOZ_WIDGET_GONK
// Hidden documents cannot start or stop a vibration.
return (doc && !doc->Hidden());
}
NS_IMETHODIMP
VibrateWindowListener::HandleEvent(nsIDOMEvent* aEvent)
{
nsCOMPtr<nsIDocument> doc =
do_QueryInterface(aEvent->InternalDOMEvent()->GetTarget());
if (!MayVibrate(doc)) {
// It's important that we call CancelVibrate(), not Vibrate() with an
// empty list, because Vibrate() will fail if we're no longer focused, but
// CancelVibrate() will succeed, so long as nobody else has started a new
// vibration pattern.
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mWindow);
hal::CancelVibrate(window);
RemoveListener();
gVibrateWindowListener = nullptr;
// Careful: The line above might have deleted |this|!
}
return NS_OK;
}
void
VibrateWindowListener::RemoveListener()
{
nsCOMPtr<EventTarget> target = do_QueryReferent(mDocument);
if (!target) {
return;
}
NS_NAMED_LITERAL_STRING(visibilitychange, "visibilitychange");
target->RemoveSystemEventListener(visibilitychange, this,
true /* use capture */);
}
} // namespace
void
Navigator::AddIdleObserver(MozIdleObserver& aIdleObserver, ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
CallbackObjectHolder<MozIdleObserver, nsIIdleObserver> holder(&aIdleObserver);
nsCOMPtr<nsIIdleObserver> obs = holder.ToXPCOMCallback();
if (NS_FAILED(mWindow->RegisterIdleObserver(obs))) {
NS_WARNING("Failed to add idle observer.");
}
}
void
Navigator::RemoveIdleObserver(MozIdleObserver& aIdleObserver, ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
CallbackObjectHolder<MozIdleObserver, nsIIdleObserver> holder(&aIdleObserver);
nsCOMPtr<nsIIdleObserver> obs = holder.ToXPCOMCallback();
if (NS_FAILED(mWindow->UnregisterIdleObserver(obs))) {
NS_WARNING("Failed to remove idle observer.");
}
}
void
Navigator::SetVibrationPermission(bool aPermitted, bool aPersistent)
{
MOZ_ASSERT(NS_IsMainThread());
nsTArray<uint32_t> pattern;
pattern.SwapElements(mRequestedVibrationPattern);
if (!mWindow) {
return;
}
nsCOMPtr<nsIDocument> doc = mWindow->GetExtantDoc();
if (!MayVibrate(doc)) {
return;
}
if (aPermitted) {
// Add a listener to cancel the vibration if the document becomes hidden,
// and remove the old visibility listener, if there was one.
if (!gVibrateWindowListener) {
// If gVibrateWindowListener is null, this is the first time we've vibrated,
// and we need to register a listener to clear gVibrateWindowListener on
// shutdown.
ClearOnShutdown(&gVibrateWindowListener);
} else {
gVibrateWindowListener->RemoveListener();
}
gVibrateWindowListener = new VibrateWindowListener(mWindow, doc);
hal::Vibrate(pattern, mWindow);
}
if (aPersistent) {
AddPermission(doc->NodePrincipal(), kVibrationPermissionType,
aPermitted ? nsIPermissionManager::ALLOW_ACTION :
nsIPermissionManager::DENY_ACTION,
nsIPermissionManager::EXPIRE_SESSION, 0);
}
}
bool
Navigator::Vibrate(uint32_t aDuration)
{
AutoTArray<uint32_t, 1> pattern;
pattern.AppendElement(aDuration);
return Vibrate(pattern);
}
bool
Navigator::Vibrate(const nsTArray<uint32_t>& aPattern)
{
MOZ_ASSERT(NS_IsMainThread());
if (!mWindow) {
return false;
}
nsCOMPtr<nsIDocument> doc = mWindow->GetExtantDoc();
if (!MayVibrate(doc)) {
return false;
}
nsTArray<uint32_t> pattern(aPattern);
if (pattern.Length() > sMaxVibrateListLen) {
pattern.SetLength(sMaxVibrateListLen);
}
for (size_t i = 0; i < pattern.Length(); ++i) {
pattern[i] = std::min(sMaxVibrateMS, pattern[i]);
}
// The spec says we check sVibratorEnabled after we've done the sanity
// checking on the pattern.
if (!sVibratorEnabled) {
return true;
}
mRequestedVibrationPattern.SwapElements(pattern);
uint32_t permission = GetPermission(mWindow, kVibrationPermissionType);
if (permission == nsIPermissionManager::ALLOW_ACTION ||
mRequestedVibrationPattern.IsEmpty() ||
(mRequestedVibrationPattern.Length() == 1 &&
mRequestedVibrationPattern[0] == 0)) {
// Always allow cancelling vibration and respect session permissions.
SetVibrationPermission(true /* permitted */, false /* persistent */);
return true;
}
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
if (!obs || permission == nsIPermissionManager::DENY_ACTION) {
// Abort without observer service or on denied session permission.
SetVibrationPermission(false /* permitted */, false /* persistent */);
return true;
}
// Request user permission.
obs->NotifyObservers(ToSupports(this), "Vibration:Request", nullptr);
return true;
}
//*****************************************************************************
// Pointer Events interface
//*****************************************************************************
uint32_t
Navigator::MaxTouchPoints()
{
nsCOMPtr<nsIWidget> widget = widget::WidgetUtils::DOMWindowToWidget(mWindow->GetOuterWindow());
NS_ENSURE_TRUE(widget, 0);
return widget->GetMaxTouchPoints();
}
//*****************************************************************************
// Navigator::nsIDOMClientInformation
//*****************************************************************************
void
Navigator::RegisterContentHandler(const nsAString& aMIMEType,
const nsAString& aURI,
const nsAString& aTitle,
ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
return;
}
nsCOMPtr<nsIWebContentHandlerRegistrar> registrar =
do_GetService(NS_WEBCONTENTHANDLERREGISTRAR_CONTRACTID);
if (!registrar) {
return;
}
aRv = registrar->RegisterContentHandler(aMIMEType, aURI, aTitle,
mWindow->GetOuterWindow());
}
void
Navigator::RegisterProtocolHandler(const nsAString& aProtocol,
const nsAString& aURI,
const nsAString& aTitle,
ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
return;
}
nsCOMPtr<nsIWebContentHandlerRegistrar> registrar =
do_GetService(NS_WEBCONTENTHANDLERREGISTRAR_CONTRACTID);
if (!registrar) {
return;
}
aRv = registrar->RegisterProtocolHandler(aProtocol, aURI, aTitle,
mWindow->GetOuterWindow());
}
DeviceStorageAreaListener*
Navigator::GetDeviceStorageAreaListener(ErrorResult& aRv)
{
if (!mDeviceStorageAreaListener) {
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
mDeviceStorageAreaListener = new DeviceStorageAreaListener(mWindow);
}
return mDeviceStorageAreaListener;
}
already_AddRefed<nsDOMDeviceStorage>
Navigator::FindDeviceStorage(const nsAString& aName, const nsAString& aType)
{
auto i = mDeviceStorageStores.Length();
while (i > 0) {
--i;
RefPtr<nsDOMDeviceStorage> storage =
do_QueryReferent(mDeviceStorageStores[i]);
if (storage) {
if (storage->Equals(mWindow, aName, aType)) {
return storage.forget();
}
} else {
mDeviceStorageStores.RemoveElementAt(i);
}
}
return nullptr;
}
already_AddRefed<nsDOMDeviceStorage>
Navigator::GetDeviceStorage(const nsAString& aType, ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsString name;
nsDOMDeviceStorage::GetDefaultStorageName(aType, name);
RefPtr<nsDOMDeviceStorage> storage = FindDeviceStorage(name, aType);
if (storage) {
return storage.forget();
}
nsDOMDeviceStorage::CreateDeviceStorageFor(mWindow, aType,
getter_AddRefs(storage));
if (!storage) {
return nullptr;
}
mDeviceStorageStores.AppendElement(
do_GetWeakReference(static_cast<DOMEventTargetHelper*>(storage)));
return storage.forget();
}
void
Navigator::GetDeviceStorages(const nsAString& aType,
nsTArray<RefPtr<nsDOMDeviceStorage> >& aStores,
ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsDOMDeviceStorage::VolumeNameArray volumes;
nsDOMDeviceStorage::GetOrderedVolumeNames(aType, volumes);
if (volumes.IsEmpty()) {
RefPtr<nsDOMDeviceStorage> storage = GetDeviceStorage(aType, aRv);
if (storage) {
aStores.AppendElement(storage.forget());
}
} else {
uint32_t len = volumes.Length();
aStores.SetCapacity(len);
for (uint32_t i = 0; i < len; ++i) {
RefPtr<nsDOMDeviceStorage> storage =
GetDeviceStorageByNameAndType(volumes[i], aType, aRv);
if (aRv.Failed()) {
break;
}
if (storage) {
aStores.AppendElement(storage.forget());
}
}
}
}
already_AddRefed<nsDOMDeviceStorage>
Navigator::GetDeviceStorageByNameAndType(const nsAString& aName,
const nsAString& aType,
ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<nsDOMDeviceStorage> storage = FindDeviceStorage(aName, aType);
if (storage) {
return storage.forget();
}
nsDOMDeviceStorage::CreateDeviceStorageByNameAndType(mWindow, aName, aType,
getter_AddRefs(storage));
if (!storage) {
return nullptr;
}
mDeviceStorageStores.AppendElement(
do_GetWeakReference(static_cast<DOMEventTargetHelper*>(storage)));
return storage.forget();
}
Geolocation*
Navigator::GetGeolocation(ErrorResult& aRv)
{
if (mGeolocation) {
return mGeolocation;
}
if (!mWindow || !mWindow->GetOuterWindow() || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
mGeolocation = new Geolocation();
if (NS_FAILED(mGeolocation->Init(mWindow))) {
mGeolocation = nullptr;
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return mGeolocation;
}
class BeaconStreamListener final : public nsIStreamListener
{
~BeaconStreamListener() {}
public:
BeaconStreamListener() : mLoadGroup(nullptr) {}
void SetLoadGroup(nsILoadGroup* aLoadGroup) {
mLoadGroup = aLoadGroup;
}
NS_DECL_ISUPPORTS
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIREQUESTOBSERVER
private:
nsCOMPtr<nsILoadGroup> mLoadGroup;
};
NS_IMPL_ISUPPORTS(BeaconStreamListener,
nsIStreamListener,
nsIRequestObserver)
NS_IMETHODIMP
BeaconStreamListener::OnStartRequest(nsIRequest *aRequest,
nsISupports *aContext)
{
// release the loadgroup first
mLoadGroup = nullptr;
aRequest->Cancel(NS_ERROR_NET_INTERRUPT);
return NS_BINDING_ABORTED;
}
NS_IMETHODIMP
BeaconStreamListener::OnStopRequest(nsIRequest *aRequest,
nsISupports *aContext,
nsresult aStatus)
{
return NS_OK;
}
NS_IMETHODIMP
BeaconStreamListener::OnDataAvailable(nsIRequest *aRequest,
nsISupports *ctxt,
nsIInputStream *inStr,
uint64_t sourceOffset,
uint32_t count)
{
MOZ_ASSERT(false);
return NS_OK;
}
bool
Navigator::SendBeacon(const nsAString& aUrl,
const Nullable<ArrayBufferViewOrBlobOrStringOrFormData>& aData,
ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return false;
}
nsCOMPtr<nsIDocument> doc = mWindow->GetDoc();
if (!doc) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return false;
}
nsIURI* documentURI = doc->GetDocumentURI();
if (!documentURI) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return false;
}
nsCOMPtr<nsIURI> uri;
nsresult rv = nsContentUtils::NewURIWithDocumentCharset(
getter_AddRefs(uri),
aUrl,
doc,
doc->GetDocBaseURI());
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_DOM_URL_MISMATCH_ERR);
return false;
}
// Explicitly disallow loading data: URIs
bool isDataScheme = false;
rv = uri->SchemeIs("data", &isDataScheme);
if (NS_FAILED(rv) || isDataScheme) {
aRv.Throw(NS_ERROR_CONTENT_BLOCKED);
return false;
}
nsLoadFlags loadFlags = nsIRequest::LOAD_NORMAL |
nsIChannel::LOAD_CLASSIFY_URI;
// No need to use CORS for sendBeacon unless it's a BLOB
nsSecurityFlags securityFlags = (!aData.IsNull() && aData.Value().IsBlob())
? nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS
: nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS;
securityFlags |= nsILoadInfo::SEC_COOKIES_INCLUDE;
nsCOMPtr<nsIChannel> channel;
rv = NS_NewChannel(getter_AddRefs(channel),
uri,
doc,
securityFlags,
nsIContentPolicy::TYPE_BEACON,
nullptr, // aLoadGroup
nullptr, // aCallbacks
loadFlags);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return false;
}
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(channel);
if (!httpChannel) {
// Beacon spec only supports HTTP requests at this time
aRv.Throw(NS_ERROR_DOM_BAD_URI);
return false;
}
httpChannel->SetReferrer(documentURI);
nsCString mimeType;
if (!aData.IsNull()) {
nsCOMPtr<nsIInputStream> in;
if (aData.Value().IsString()) {
nsCString stringData = NS_ConvertUTF16toUTF8(aData.Value().GetAsString());
nsCOMPtr<nsIStringInputStream> strStream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
rv = strStream->SetData(stringData.BeginReading(), stringData.Length());
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
mimeType.AssignLiteral("text/plain;charset=UTF-8");
in = strStream;
} else if (aData.Value().IsArrayBufferView()) {
nsCOMPtr<nsIStringInputStream> strStream = do_CreateInstance(NS_STRINGINPUTSTREAM_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
const ArrayBufferView& view = aData.Value().GetAsArrayBufferView();
view.ComputeLengthAndData();
rv = strStream->SetData(reinterpret_cast<char*>(view.Data()),
view.Length());
if (NS_FAILED(rv)) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
mimeType.AssignLiteral("application/octet-stream");
in = strStream;
} else if (aData.Value().IsBlob()) {
Blob& blob = aData.Value().GetAsBlob();
blob.GetInternalStream(getter_AddRefs(in), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return false;
}
nsAutoString type;
blob.GetType(type);
mimeType = NS_ConvertUTF16toUTF8(type);
} else if (aData.Value().IsFormData()) {
FormData& form = aData.Value().GetAsFormData();
uint64_t len;
nsAutoCString charset;
form.GetSendInfo(getter_AddRefs(in),
&len,
mimeType,
charset);
} else {
MOZ_ASSERT(false, "switch statements not in sync");
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
nsCOMPtr<nsIUploadChannel2> uploadChannel = do_QueryInterface(channel);
if (!uploadChannel) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
uploadChannel->ExplicitSetUploadStream(in, mimeType, -1,
NS_LITERAL_CSTRING("POST"),
false);
} else {
httpChannel->SetRequestMethod(NS_LITERAL_CSTRING("POST"));
}
nsCOMPtr<nsISupportsPriority> p = do_QueryInterface(channel);
if (p) {
p->SetPriority(nsISupportsPriority::PRIORITY_LOWEST);
}
nsCOMPtr<nsIClassOfService> cos(do_QueryInterface(channel));
if (cos) {
cos->AddClassFlags(nsIClassOfService::Background);
}
// The channel needs to have a loadgroup associated with it, so that we can
// cancel the channel and any redirected channels it may create.
nsCOMPtr<nsILoadGroup> loadGroup = do_CreateInstance(NS_LOADGROUP_CONTRACTID);
nsCOMPtr<nsIInterfaceRequestor> callbacks =
do_QueryInterface(mWindow->GetDocShell());
loadGroup->SetNotificationCallbacks(callbacks);
channel->SetLoadGroup(loadGroup);
RefPtr<BeaconStreamListener> beaconListener = new BeaconStreamListener();
rv = channel->AsyncOpen2(beaconListener);
// do not throw if security checks fail within asyncOpen2
NS_ENSURE_SUCCESS(rv, false);
// make the beaconListener hold a strong reference to the loadgroup
// which is released in ::OnStartRequest
beaconListener->SetLoadGroup(loadGroup);
return true;
}
MediaDevices*
Navigator::GetMediaDevices(ErrorResult& aRv)
{
if (!mMediaDevices) {
if (!mWindow ||
!mWindow->GetOuterWindow() ||
mWindow->GetOuterWindow()->GetCurrentInnerWindow() != mWindow) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return nullptr;
}
mMediaDevices = new MediaDevices(mWindow);
}
return mMediaDevices;
}
void
Navigator::MozGetUserMedia(const MediaStreamConstraints& aConstraints,
NavigatorUserMediaSuccessCallback& aOnSuccess,
NavigatorUserMediaErrorCallback& aOnError,
ErrorResult& aRv)
{
CallbackObjectHolder<NavigatorUserMediaSuccessCallback,
nsIDOMGetUserMediaSuccessCallback> holder1(&aOnSuccess);
nsCOMPtr<nsIDOMGetUserMediaSuccessCallback> onsuccess =
holder1.ToXPCOMCallback();
CallbackObjectHolder<NavigatorUserMediaErrorCallback,
nsIDOMGetUserMediaErrorCallback> holder2(&aOnError);
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> onerror = holder2.ToXPCOMCallback();
if (!mWindow || !mWindow->GetOuterWindow() ||
mWindow->GetOuterWindow()->GetCurrentInnerWindow() != mWindow) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
MediaManager* manager = MediaManager::Get();
aRv = manager->GetUserMedia(mWindow, aConstraints, onsuccess, onerror);
}
void
Navigator::MozGetUserMediaDevices(const MediaStreamConstraints& aConstraints,
MozGetUserMediaDevicesSuccessCallback& aOnSuccess,
NavigatorUserMediaErrorCallback& aOnError,
uint64_t aInnerWindowID,
const nsAString& aCallID,
ErrorResult& aRv)
{
CallbackObjectHolder<MozGetUserMediaDevicesSuccessCallback,
nsIGetUserMediaDevicesSuccessCallback> holder1(&aOnSuccess);
nsCOMPtr<nsIGetUserMediaDevicesSuccessCallback> onsuccess =
holder1.ToXPCOMCallback();
CallbackObjectHolder<NavigatorUserMediaErrorCallback,
nsIDOMGetUserMediaErrorCallback> holder2(&aOnError);
nsCOMPtr<nsIDOMGetUserMediaErrorCallback> onerror = holder2.ToXPCOMCallback();
if (!mWindow || !mWindow->GetOuterWindow() ||
mWindow->GetOuterWindow()->GetCurrentInnerWindow() != mWindow) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
MediaManager* manager = MediaManager::Get();
aRv = manager->GetUserMediaDevices(mWindow, aConstraints, onsuccess, onerror,
aInnerWindowID, aCallID);
}
DesktopNotificationCenter*
Navigator::GetMozNotification(ErrorResult& aRv)
{
if (mNotification) {
return mNotification;
}
if (!mWindow || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
mNotification = new DesktopNotificationCenter(mWindow);
return mNotification;
}
#ifdef MOZ_B2G_FM
using mozilla::dom::FMRadio;
FMRadio*
Navigator::GetMozFMRadio(ErrorResult& aRv)
{
if (!mFMRadio) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
NS_ENSURE_TRUE(mWindow->GetDocShell(), nullptr);
mFMRadio = new FMRadio();
mFMRadio->Init(mWindow);
}
return mFMRadio;
}
#endif // MOZ_B2G_FM
//*****************************************************************************
// Navigator::nsINavigatorBattery
//*****************************************************************************
Promise*
Navigator::GetBattery(ErrorResult& aRv)
{
if (mBatteryPromise) {
return mBatteryPromise;
}
if (!mWindow || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsIGlobalObject> go = do_QueryInterface(mWindow);
RefPtr<Promise> batteryPromise = Promise::Create(go, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
mBatteryPromise = batteryPromise;
// We just initialized mBatteryPromise, so we know this is the first time
// this page has accessed navigator.getBattery(). 1 = navigator.getBattery()
Telemetry::Accumulate(Telemetry::BATTERY_STATUS_COUNT, 1);
if (!mBatteryManager) {
mBatteryManager = new battery::BatteryManager(mWindow);
mBatteryManager->Init();
}
mBatteryPromise->MaybeResolve(mBatteryManager);
return mBatteryPromise;
}
already_AddRefed<Promise>
Navigator::PublishServer(const nsAString& aName,
const FlyWebPublishOptions& aOptions,
ErrorResult& aRv)
{
RefPtr<FlyWebService> service = FlyWebService::GetOrCreate();
if (!service) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<FlyWebPublishPromise> mozPromise =
service->PublishServer(aName, aOptions, mWindow);
MOZ_ASSERT(mozPromise);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
ErrorResult result;
RefPtr<Promise> domPromise = Promise::Create(global, result);
if (result.Failed()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
mozPromise->Then(AbstractThread::MainThread(),
__func__,
[domPromise] (FlyWebPublishedServer* aServer) {
domPromise->MaybeResolve(aServer);
},
[domPromise] (nsresult aStatus) {
domPromise->MaybeReject(aStatus);
});
return domPromise.forget();
}
PowerManager*
Navigator::GetMozPower(ErrorResult& aRv)
{
if (!mPowerManager) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mPowerManager = PowerManager::CreateInstance(mWindow);
if (!mPowerManager) {
// We failed to get the power manager service?
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
return mPowerManager;
}
already_AddRefed<WakeLock>
Navigator::RequestWakeLock(const nsAString &aTopic, ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
RefPtr<power::PowerManagerService> pmService =
power::PowerManagerService::GetInstance();
// Maybe it went away for some reason... Or maybe we're just called
// from our XPCOM method.
if (!pmService) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
return pmService->NewWakeLock(aTopic, mWindow, aRv);
}
MobileMessageManager*
Navigator::GetMozMobileMessage()
{
if (!mMobileMessageManager) {
// Check that our window has not gone away
NS_ENSURE_TRUE(mWindow, nullptr);
NS_ENSURE_TRUE(mWindow->GetDocShell(), nullptr);
mMobileMessageManager = new MobileMessageManager(mWindow);
mMobileMessageManager->Init();
}
return mMobileMessageManager;
}
Telephony*
Navigator::GetMozTelephony(ErrorResult& aRv)
{
if (!mTelephony) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mTelephony = Telephony::Create(mWindow, aRv);
}
return mTelephony;
}
TVManager*
Navigator::GetTv()
{
if (!mTVManager) {
if (!mWindow) {
return nullptr;
}
mTVManager = TVManager::Create(mWindow);
}
return mTVManager;
}
InputPortManager*
Navigator::GetInputPortManager(ErrorResult& aRv)
{
if (!mInputPortManager) {
if (!mWindow) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
mInputPortManager = InputPortManager::Create(mWindow, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
}
return mInputPortManager;
}
already_AddRefed<LegacyMozTCPSocket>
Navigator::MozTCPSocket()
{
RefPtr<LegacyMozTCPSocket> socket = new LegacyMozTCPSocket(GetWindow());
return socket.forget();
}
#ifdef MOZ_B2G_RIL
MobileConnectionArray*
Navigator::GetMozMobileConnections(ErrorResult& aRv)
{
if (!mMobileConnections) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mMobileConnections = new MobileConnectionArray(mWindow);
}
return mMobileConnections;
}
#endif // MOZ_B2G_RIL
CellBroadcast*
Navigator::GetMozCellBroadcast(ErrorResult& aRv)
{
if (!mCellBroadcast) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mCellBroadcast = CellBroadcast::Create(mWindow, aRv);
}
return mCellBroadcast;
}
Voicemail*
Navigator::GetMozVoicemail(ErrorResult& aRv)
{
if (!mVoicemail) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mVoicemail = Voicemail::Create(mWindow, aRv);
}
return mVoicemail;
}
IccManager*
Navigator::GetMozIccManager(ErrorResult& aRv)
{
if (!mIccManager) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
NS_ENSURE_TRUE(mWindow->GetDocShell(), nullptr);
mIccManager = new IccManager(mWindow);
}
return mIccManager;
}
#ifdef MOZ_GAMEPAD
void
Navigator::GetGamepads(nsTArray<RefPtr<Gamepad> >& aGamepads,
ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
NS_ENSURE_TRUE_VOID(mWindow->GetDocShell());
nsGlobalWindow* win = nsGlobalWindow::Cast(mWindow);
win->SetHasGamepadEventListener(true);
win->GetGamepads(aGamepads);
}
GamepadServiceTest*
Navigator::RequestGamepadServiceTest()
{
if (!mGamepadServiceTest) {
mGamepadServiceTest = GamepadServiceTest::CreateTestService(mWindow);
}
return mGamepadServiceTest;
}
#endif
already_AddRefed<Promise>
Navigator::GetVRDisplays(ErrorResult& aRv)
{
if (!mWindow || !mWindow->GetDocShell()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsGlobalWindow* win = nsGlobalWindow::Cast(mWindow);
win->NotifyVREventListenerAdded();
nsCOMPtr<nsIGlobalObject> go = do_QueryInterface(mWindow);
RefPtr<Promise> p = Promise::Create(go, aRv);
if (aRv.Failed()) {
return nullptr;
}
// We pass ourself to RefreshVRDisplays, so NotifyVRDisplaysUpdated will
// be called asynchronously, resolving the promises in mVRGetDisplaysPromises.
if (!VRDisplay::RefreshVRDisplays(this)) {
p->MaybeReject(NS_ERROR_FAILURE);
return p.forget();
}
mVRGetDisplaysPromises.AppendElement(p);
return p.forget();
}
void
Navigator::GetActiveVRDisplays(nsTArray<RefPtr<VRDisplay>>& aDisplays) const
{
/**
* Get only the active VR displays.
* Callers do not wish to VRDisplay::RefreshVRDisplays, as the enumeration may
* activate hardware that is not yet intended to be used.
*/
if (!mWindow || !mWindow->GetDocShell()) {
return;
}
nsGlobalWindow* win = nsGlobalWindow::Cast(mWindow);
win->NotifyVREventListenerAdded();
nsTArray<RefPtr<VRDisplay>> displays;
if (win->UpdateVRDisplays(displays)) {
for (auto display : displays) {
if (display->IsPresenting()) {
aDisplays.AppendElement(display);
}
}
}
}
void
Navigator::NotifyVRDisplaysUpdated()
{
// Synchronize the VR devices and resolve the promises in
// mVRGetDisplaysPromises
nsGlobalWindow* win = nsGlobalWindow::Cast(mWindow);
nsTArray<RefPtr<VRDisplay>> vrDisplays;
if (win->UpdateVRDisplays(vrDisplays)) {
for (auto p : mVRGetDisplaysPromises) {
p->MaybeResolve(vrDisplays);
}
} else {
for (auto p : mVRGetDisplaysPromises) {
p->MaybeReject(NS_ERROR_FAILURE);
}
}
mVRGetDisplaysPromises.Clear();
}
void
Navigator::NotifyActiveVRDisplaysChanged()
{
NavigatorBinding::ClearCachedActiveVRDisplaysValue(this);
}
//*****************************************************************************
// Navigator::nsIMozNavigatorNetwork
//*****************************************************************************
NS_IMETHODIMP
Navigator::GetProperties(nsINetworkProperties** aProperties)
{
ErrorResult rv;
NS_IF_ADDREF(*aProperties = GetConnection(rv));
return NS_OK;
}
network::Connection*
Navigator::GetConnection(ErrorResult& aRv)
{
if (!mConnection) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mConnection = new network::Connection(mWindow);
}
return mConnection;
}
#ifdef MOZ_B2G_BT
bluetooth::BluetoothManager*
Navigator::GetMozBluetooth(ErrorResult& aRv)
{
if (!mBluetooth) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mBluetooth = bluetooth::BluetoothManager::Create(mWindow);
}
return mBluetooth;
}
#endif //MOZ_B2G_BT
#ifdef MOZ_TIME_MANAGER
time::TimeManager*
Navigator::GetMozTime(ErrorResult& aRv)
{
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
if (!mTimeManager) {
mTimeManager = new time::TimeManager(mWindow);
}
return mTimeManager;
}
#endif
nsDOMCameraManager*
Navigator::GetMozCameras(ErrorResult& aRv)
{
if (!mCameraManager) {
if (!mWindow ||
!mWindow->GetOuterWindow() ||
mWindow->GetOuterWindow()->GetCurrentInnerWindow() != mWindow) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return nullptr;
}
mCameraManager = nsDOMCameraManager::CreateInstance(mWindow);
}
return mCameraManager;
}
already_AddRefed<ServiceWorkerContainer>
Navigator::ServiceWorker()
{
MOZ_ASSERT(mWindow);
if (!mServiceWorkerContainer) {
mServiceWorkerContainer = new ServiceWorkerContainer(mWindow);
}
RefPtr<ServiceWorkerContainer> ref = mServiceWorkerContainer;
return ref.forget();
}
size_t
Navigator::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
size_t n = aMallocSizeOf(this);
// TODO: add SizeOfIncludingThis() to nsMimeTypeArray, bug 674113.
// TODO: add SizeOfIncludingThis() to nsPluginArray, bug 674114.
// TODO: add SizeOfIncludingThis() to Geolocation, bug 674115.
// TODO: add SizeOfIncludingThis() to DesktopNotificationCenter, bug 674116.
return n;
}
void
Navigator::SetWindow(nsPIDOMWindowInner *aInnerWindow)
{
NS_ASSERTION(aInnerWindow->IsInnerWindow(),
"Navigator must get an inner window!");
mWindow = aInnerWindow;
}
void
Navigator::OnNavigation()
{
if (!mWindow) {
return;
}
// If MediaManager is open let it inform any live streams or pending callbacks
MediaManager *manager = MediaManager::GetIfExists();
if (manager) {
manager->OnNavigation(mWindow->WindowID());
}
if (mCameraManager) {
mCameraManager->OnNavigation(mWindow->WindowID());
}
}
bool
Navigator::CheckPermission(const char* type)
{
return CheckPermission(mWindow, type);
}
/* static */
bool
Navigator::CheckPermission(nsPIDOMWindowInner* aWindow, const char* aType)
{
if (!aWindow) {
return false;
}
uint32_t permission = GetPermission(aWindow, aType);
return permission == nsIPermissionManager::ALLOW_ACTION;
}
#ifdef MOZ_AUDIO_CHANNEL_MANAGER
system::AudioChannelManager*
Navigator::GetMozAudioChannelManager(ErrorResult& aRv)
{
if (!mAudioChannelManager) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mAudioChannelManager = new system::AudioChannelManager();
mAudioChannelManager->Init(mWindow);
}
return mAudioChannelManager;
}
#endif
JSObject*
Navigator::WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto)
{
return NavigatorBinding::Wrap(cx, this, aGivenProto);
}
/* static */
bool
Navigator::HasWakeLockSupport(JSContext* /* unused*/, JSObject* /*unused */)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
// No service means no wake lock support
return !!pmService;
}
/* static */
bool
Navigator::HasCameraSupport(JSContext* /* unused */, JSObject* aGlobal)
{
nsCOMPtr<nsPIDOMWindowInner> win = GetWindowFromGlobal(aGlobal);
return win && nsDOMCameraManager::CheckPermission(win);
}
/* static */
bool
Navigator::HasWifiManagerSupport(JSContext* /* unused */,
JSObject* aGlobal)
{
// On XBL scope, the global object is NOT |window|. So we have
// to use nsContentUtils::GetObjectPrincipal to get the principal
// and test directly with permission manager.
nsIPrincipal* principal = nsContentUtils::ObjectPrincipal(aGlobal);
uint32_t permission = GetPermission(principal, "wifi-manage");
return permission == nsIPermissionManager::ALLOW_ACTION;
}
#ifdef MOZ_NFC
/* static */
bool
Navigator::HasNFCSupport(JSContext* /* unused */, JSObject* aGlobal)
{
nsCOMPtr<nsPIDOMWindowInner> win = GetWindowFromGlobal(aGlobal);
// Do not support NFC if NFC content helper does not exist.
nsCOMPtr<nsISupports> contentHelper = do_GetService("@mozilla.org/nfc/content-helper;1");
return !!contentHelper;
}
#endif // MOZ_NFC
/* static */
bool
Navigator::HasUserMediaSupport(JSContext* /* unused */,
JSObject* /* unused */)
{
// Make enabling peerconnection enable getUserMedia() as well
return Preferences::GetBool("media.navigator.enabled", false) ||
Preferences::GetBool("media.peerconnection.enabled", false);
}
/* static */
bool
Navigator::IsE10sEnabled(JSContext* aCx, JSObject* aGlobal)
{
return XRE_IsContentProcess();
}
bool
Navigator::MozE10sEnabled()
{
// This will only be called if IsE10sEnabled() is true.
return true;
}
/* static */
already_AddRefed<nsPIDOMWindowInner>
Navigator::GetWindowFromGlobal(JSObject* aGlobal)
{
nsCOMPtr<nsPIDOMWindowInner> win =
do_QueryInterface(nsJSUtils::GetStaticScriptGlobal(aGlobal));
MOZ_ASSERT(!win || win->IsInnerWindow());
return win.forget();
}
nsresult
Navigator::GetPlatform(nsAString& aPlatform, bool aUsePrefOverriddenValue)
{
MOZ_ASSERT(NS_IsMainThread());
if (aUsePrefOverriddenValue && !nsContentUtils::IsCallerChrome()) {
const nsAdoptingString& override =
mozilla::Preferences::GetString("general.platform.override");
if (override) {
aPlatform = override;
return NS_OK;
}
}
nsresult rv;
nsCOMPtr<nsIHttpProtocolHandler>
service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
NS_ENSURE_SUCCESS(rv, rv);
// Sorry for the #if platform ugliness, but Communicator is likewise
// hardcoded and we are seeking backward compatibility here (bug 47080).
#if defined(_WIN64)
aPlatform.AssignLiteral("Win64");
#elif defined(WIN32)
aPlatform.AssignLiteral("Win32");
#elif defined(XP_MACOSX) && defined(__ppc__)
aPlatform.AssignLiteral("MacPPC");
#elif defined(XP_MACOSX) && defined(__i386__)
aPlatform.AssignLiteral("MacIntel");
#elif defined(XP_MACOSX) && defined(__x86_64__)
aPlatform.AssignLiteral("MacIntel");
#else
// XXX Communicator uses compiled-in build-time string defines
// to indicate the platform it was compiled *for*, not what it is
// currently running *on* which is what this does.
nsAutoCString plat;
rv = service->GetOscpu(plat);
CopyASCIItoUTF16(plat, aPlatform);
#endif
return rv;
}
/* static */ nsresult
Navigator::GetAppVersion(nsAString& aAppVersion, bool aUsePrefOverriddenValue)
{
MOZ_ASSERT(NS_IsMainThread());
if (aUsePrefOverriddenValue && !nsContentUtils::IsCallerChrome()) {
const nsAdoptingString& override =
mozilla::Preferences::GetString("general.appversion.override");
if (override) {
aAppVersion = override;
return NS_OK;
}
}
nsresult rv;
nsCOMPtr<nsIHttpProtocolHandler>
service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString str;
rv = service->GetAppVersion(str);
CopyASCIItoUTF16(str, aAppVersion);
NS_ENSURE_SUCCESS(rv, rv);
aAppVersion.AppendLiteral(" (");
rv = service->GetPlatform(str);
NS_ENSURE_SUCCESS(rv, rv);
AppendASCIItoUTF16(str, aAppVersion);
aAppVersion.Append(char16_t(')'));
return rv;
}
/* static */ void
Navigator::AppName(nsAString& aAppName, bool aUsePrefOverriddenValue)
{
MOZ_ASSERT(NS_IsMainThread());
if (aUsePrefOverriddenValue && !nsContentUtils::IsCallerChrome()) {
const nsAdoptingString& override =
mozilla::Preferences::GetString("general.appname.override");
if (override) {
aAppName = override;
return;
}
}
aAppName.AssignLiteral("Netscape");
}
void
Navigator::ClearUserAgentCache()
{
NavigatorBinding::ClearCachedUserAgentValue(this);
}
nsresult
Navigator::GetUserAgent(nsPIDOMWindowInner* aWindow, nsIURI* aURI,
bool aIsCallerChrome,
nsAString& aUserAgent)
{
MOZ_ASSERT(NS_IsMainThread());
if (!aIsCallerChrome) {
const nsAdoptingString& override =
mozilla::Preferences::GetString("general.useragent.override");
if (override) {
aUserAgent = override;
return NS_OK;
}
}
nsresult rv;
nsCOMPtr<nsIHttpProtocolHandler>
service(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &rv));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsAutoCString ua;
rv = service->GetUserAgent(ua);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
CopyASCIItoUTF16(ua, aUserAgent);
if (!aWindow || !aURI) {
return NS_OK;
}
MOZ_ASSERT(aWindow->GetDocShell());
nsCOMPtr<nsISiteSpecificUserAgent> siteSpecificUA =
do_GetService("@mozilla.org/dom/site-specific-user-agent;1");
if (!siteSpecificUA) {
return NS_OK;
}
return siteSpecificUA->GetUserAgentForURIAndWindow(aURI, aWindow, aUserAgent);
}
static nsCString
ToCString(const nsString& aString)
{
nsCString str("'");
str.Append(NS_ConvertUTF16toUTF8(aString));
str.AppendLiteral("'");
return str;
}
static nsCString
ToCString(const MediaKeysRequirement aValue)
{
nsCString str("'");
str.Append(nsDependentCString(MediaKeysRequirementValues::strings[static_cast<uint32_t>(aValue)].value));
str.AppendLiteral("'");
return str;
}
static nsCString
ToCString(const MediaKeySystemMediaCapability& aValue)
{
nsCString str;
str.AppendLiteral("{contentType=");
str.Append(ToCString(aValue.mContentType));
str.AppendLiteral(", robustness=");
str.Append(ToCString(aValue.mRobustness));
str.AppendLiteral("}");
return str;
}
template<class Type>
static nsCString
ToCString(const Sequence<Type>& aSequence)
{
nsCString str;
str.AppendLiteral("[");
for (size_t i = 0; i < aSequence.Length(); i++) {
if (i != 0) {
str.AppendLiteral(",");
}
str.Append(ToCString(aSequence[i]));
}
str.AppendLiteral("]");
return str;
}
template<class Type>
static nsCString
ToCString(const Optional<Sequence<Type>>& aOptional)
{
nsCString str;
if (aOptional.WasPassed()) {
str.Append(ToCString(aOptional.Value()));
} else {
str.AppendLiteral("[]");
}
return str;
}
static nsCString
ToCString(const MediaKeySystemConfiguration& aConfig)
{
nsCString str;
str.AppendLiteral("{label=");
str.Append(ToCString(aConfig.mLabel));
str.AppendLiteral(", initDataTypes=");
str.Append(ToCString(aConfig.mInitDataTypes));
str.AppendLiteral(", audioCapabilities=");
str.Append(ToCString(aConfig.mAudioCapabilities));
str.AppendLiteral(", videoCapabilities=");
str.Append(ToCString(aConfig.mVideoCapabilities));
str.AppendLiteral(", distinctiveIdentifier=");
str.Append(ToCString(aConfig.mDistinctiveIdentifier));
str.AppendLiteral(", persistentState=");
str.Append(ToCString(aConfig.mPersistentState));
str.AppendLiteral(", sessionTypes=");
str.Append(ToCString(aConfig.mSessionTypes));
str.AppendLiteral("}");
return str;
}
static nsCString
RequestKeySystemAccessLogString(const nsAString& aKeySystem,
const Sequence<MediaKeySystemConfiguration>& aConfigs)
{
nsCString str;
str.AppendPrintf("Navigator::RequestMediaKeySystemAccess(keySystem='%s' options=",
NS_ConvertUTF16toUTF8(aKeySystem).get());
str.Append(ToCString(aConfigs));
str.AppendLiteral(")");
return str;
}
already_AddRefed<Promise>
Navigator::RequestMediaKeySystemAccess(const nsAString& aKeySystem,
const Sequence<MediaKeySystemConfiguration>& aConfigs,
ErrorResult& aRv)
{
EME_LOG("%s", RequestKeySystemAccessLogString(aKeySystem, aConfigs).get());
nsCOMPtr<nsIGlobalObject> go = do_QueryInterface(mWindow);
RefPtr<DetailedPromise> promise =
DetailedPromise::Create(go, aRv,
NS_LITERAL_CSTRING("navigator.requestMediaKeySystemAccess"),
Telemetry::VIDEO_EME_REQUEST_SUCCESS_LATENCY_MS,
Telemetry::VIDEO_EME_REQUEST_FAILURE_LATENCY_MS);
if (aRv.Failed()) {
return nullptr;
}
if (!mMediaKeySystemAccessManager) {
mMediaKeySystemAccessManager = new MediaKeySystemAccessManager(mWindow);
}
mMediaKeySystemAccessManager->Request(promise, aKeySystem, aConfigs);
return promise.forget();
}
Presentation*
Navigator::GetPresentation(ErrorResult& aRv)
{
if (!mPresentation) {
if (!mWindow) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
mPresentation = Presentation::Create(mWindow);
}
return mPresentation;
}
} // namespace dom
} // namespace mozilla
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