forked from mozilla-b2g/gecko-b2g
/
Navigator.cpp
3208 lines (2696 loc) · 80.1 KB
/
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 <fcntl.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 "nsCORSListenerProxy.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 "PowerSupplyManager.h"
#include "UsbManager.h"
#include "mozilla/dom/DeviceStorageAreaListener.h"
#include "mozilla/dom/PowerManager.h"
#include "mozilla/dom/WakeLock.h"
#include "mozilla/dom/power/PowerManagerService.h"
#include "mozilla/dom/CellBroadcast.h"
#include "mozilla/dom/IccManager.h"
#include "mozilla/dom/InputPortManager.h"
#include "mozilla/dom/MobileMessageManager.h"
#include "mozilla/dom/Permissions.h"
#ifdef MOZ_PRESENTATION
#include "mozilla/dom/Presentation.h"
#endif
#include "mozilla/dom/ServiceWorkerContainer.h"
#include "mozilla/dom/TCPSocket.h"
#include "mozilla/dom/Telephony.h"
#include "mozilla/dom/Voicemail.h"
#include "mozilla/dom/TVManager.h"
#ifdef HAS_KOOST_MODULES
#include "mozilla/dom/SoftkeyManager.h"
#include "mozilla/dom/VolumeManager.h"
#include "SpatialNavigationServiceChild.h"
#include "mozilla/dom/FlashlightManager.h"
#include "mozilla/dom/FlipManager.h"
#include "DeviceCapability.h"
#endif
#include "mozilla/dom/VRDevice.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
#include "nsIMobileIdentityService.h"
#endif
#ifdef MOZ_B2G_RIL
#include "mozilla/dom/MobileConnectionArray.h"
#include "mozilla/dom/SubsidyLockManager.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 "nsIDOMNavigatorSystemMessages.h"
#include "nsStreamUtils.h"
#include "nsIAppsService.h"
#include "mozIApplication.h"
#include "WidgetUtils.h"
#ifdef MOZ_PRESENTATION
#include "nsIPresentationService.h"
#endif
#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 "mozilla/dom/DataStoreService.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/dom/FeatureList.h"
#ifdef MOZ_EME
#include "mozilla/EMEUtils.h"
#include "mozilla/DetailedPromise.h"
#endif
#ifdef MOZ_WIDGET_GONK
#include <cutils/properties.h>
#endif
#ifdef MOZ_PAY
#include "nsIPaymentContentHelperService.h"
#include "mozilla/dom/DOMRequest.h"
#endif
#ifdef ENABLE_FOTA
#include "mozilla/dom/fota/FotaEngine.h"
#endif
#include "nsMemoryPressure.h"
namespace mozilla {
#ifdef HAS_KOOST_MODULES
using namespace toolkit;
#endif
namespace dom {
#ifdef ENABLE_FOTA
using namespace fota;
#endif
static bool sDoNotTrackEnabled = false;
static bool sVibratorEnabled = false;
static uint32_t sMaxVibrateMS = 0;
static uint32_t sMaxVibrateListLen = 0;
/* static */
void
Navigator::Init()
{
Preferences::AddBoolVarCache(&sDoNotTrackEnabled,
"privacy.donottrackheader.enabled",
false);
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)
#ifdef HAS_KOOST_MODULES
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFlipManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFlashlightManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSoftkeyManager)
#endif
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mUsbManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPowerSupplyManager)
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)
#ifdef MOZ_B2G_RIL
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMobileConnections)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSubsidyLocks)
#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(mMessagesManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTimeManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServiceWorkerContainer)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
#ifdef MOZ_EME
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaKeySystemAccessManager)
#endif
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDeviceStorageAreaListener)
#ifdef MOZ_PRESENTATION
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPresentation)
#endif
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVRGetDevicesPromises)
#ifdef HAS_KOOST_MODULES
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVolumeManager)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mExternalAPI)
#endif
#ifdef ENABLE_FOTA
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFotaEngine)
#endif
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;
// 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 HAS_KOOST_MODULES
if (mFlipManager) {
mFlipManager->Shutdown();
mFlipManager = nullptr;
}
if (mFlashlightManager) {
mFlashlightManager->Shutdown();
mFlashlightManager = nullptr;
}
if (mSoftkeyManager) {
mSoftkeyManager = nullptr;
}
if (mVolumeManager) {
mVolumeManager = nullptr;
}
if (mExternalAPI) {
mExternalAPI = nullptr;
}
#endif
if (mPowerSupplyManager) {
mPowerSupplyManager->Shutdown();
mPowerSupplyManager = nullptr;
}
#ifdef MOZ_B2G_FM
if (mFMRadio) {
mFMRadio->Shutdown();
mFMRadio = nullptr;
}
#endif
if (mUsbManager) {
mUsbManager->Shutdown();
mUsbManager = nullptr;
}
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;
}
if (mSubsidyLocks) {
mSubsidyLocks = nullptr;
}
#endif
#ifdef MOZ_B2G_BT
if (mBluetooth) {
mBluetooth = nullptr;
}
#endif
mCameraManager = nullptr;
mMediaDevices = nullptr;
if (mMessagesManager) {
mMessagesManager = 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;
}
#ifdef MOZ_PRESENTATION
if (mPresentation) {
mPresentation = nullptr;
}
#endif
mServiceWorkerContainer = nullptr;
#ifdef MOZ_EME
if (mMediaKeySystemAccessManager) {
mMediaKeySystemAccessManager->Shutdown();
mMediaKeySystemAccessManager = nullptr;
}
#endif
if (mDeviceStorageAreaListener) {
mDeviceStorageAreaListener = nullptr;
}
#ifdef ENABLE_FOTA
if (mFotaEngine) {
mFotaEngine = nullptr;
}
#endif
mVRGetDevicesPromises.Clear();
}
//*****************************************************************************
// Navigator::nsIDOMNavigator
//*****************************************************************************
NS_IMETHODIMP
Navigator::GetUserAgent(nsAString& aUserAgent)
{
nsCOMPtr<nsIURI> codebaseURI;
nsCOMPtr<nsPIDOMWindowInner> window;
nsString appUserAgentInfo;
if (mWindow) {
window = mWindow;
nsIDocShell* docshell = window->GetDocShell();
nsString customUserAgent;
if (docshell) {
docshell->GetCustomUserAgent(customUserAgent);
docshell->GetAppUserAgentInfo(appUserAgentInfo);
if (!customUserAgent.IsEmpty()) {
aUserAgent = customUserAgent;
return NS_OK;
}
nsIDocument* doc = mWindow->GetExtantDoc();
if (doc) {
doc->NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
}
}
}
nsresult rv = GetUserAgent(window, codebaseURI, nsContentUtils::IsCallerChrome(), aUserAgent);
if (NS_SUCCEEDED(rv)) {
aUserAgent.Append(appUserAgentInfo);
}
return rv;
}
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;
}
// 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)
{
if (sDoNotTrackEnabled) {
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 (!doc || !doc->NodePrincipal()) {
return false;
}
nsIPrincipal* principal = doc->NodePrincipal();
uint16_t status;
if (NS_FAILED(principal->GetAppStatus(&status))) {
return false;
}
// XXX: Inplementation in upstream allows access to Vibrate API if caller is
// System App, see: Bug 1207221
// https://bugzilla.mozilla.org/show_bug.cgi?id=1207221
// However, in fact, any in-process app has the same exception with System App.
// While our upstream grants the exception if caller app is trusted, with
// loser restriction but clearer rule.
// Hidden documents cannot start or stop a vibration except caller is a
// trusted app (certified app).
return !doc->Hidden() || status >= nsIPrincipal::APP_STATUS_CERTIFIED;
}
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.");
}
}
bool
Navigator::GetFlipOpened(ErrorResult& aRv)
{
if (!XRE_IsParentProcess()) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return false;
}
return hal::IsFlipOpened();
}
bool
Navigator::Vibrate(uint32_t aDuration)