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diff --git a/widget/cocoa/OSXNotificationCenter.mm b/widget/cocoa/OSXNotificationCenter.mm
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+/* -*- 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 "OSXNotificationCenter.h"
+#import <AppKit/AppKit.h>
+#include "imgIRequest.h"
+#include "imgIContainer.h"
+#include "nsICancelable.h"
+#include "nsIStringBundle.h"
+#include "nsNetUtil.h"
+#import "nsCocoaUtils.h"
+#include "nsComponentManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsObjCExceptions.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+#include "nsIObserver.h"
+
+using namespace mozilla;
+
+#define MAX_NOTIFICATION_NAME_LEN 5000
+
+@protocol FakeNSUserNotification <NSObject>
+@property(copy) NSString* title;
+@property(copy) NSString* subtitle;
+@property(copy) NSString* informativeText;
+@property(copy) NSString* actionButtonTitle;
+@property(copy) NSDictionary* userInfo;
+@property(copy) NSDate* deliveryDate;
+@property(copy) NSTimeZone* deliveryTimeZone;
+@property(copy) NSDateComponents* deliveryRepeatInterval;
+@property(readonly) NSDate* actualDeliveryDate;
+@property(readonly, getter=isPresented) BOOL presented;
+@property(readonly, getter=isRemote) BOOL remote;
+@property(copy) NSString* soundName;
+@property BOOL hasActionButton;
+@property(readonly) NSUserNotificationActivationType activationType;
+@property(copy) NSString* otherButtonTitle;
+@property(copy) NSImage* contentImage;
+@end
+
+@protocol FakeNSUserNotificationCenter <NSObject>
++ (id<FakeNSUserNotificationCenter>)defaultUserNotificationCenter;
+@property(assign) id<NSUserNotificationCenterDelegate> delegate;
+@property(copy) NSArray* scheduledNotifications;
+- (void)scheduleNotification:(id<FakeNSUserNotification>)notification;
+- (void)removeScheduledNotification:(id<FakeNSUserNotification>)notification;
+@property(readonly) NSArray* deliveredNotifications;
+- (void)deliverNotification:(id<FakeNSUserNotification>)notification;
+- (void)removeDeliveredNotification:(id<FakeNSUserNotification>)notification;
+- (void)removeAllDeliveredNotifications;
+- (void)_removeAllDisplayedNotifications;
+- (void)_removeDisplayedNotification:(id<FakeNSUserNotification>)notification;
+@end
+
+@interface mozNotificationCenterDelegate
+ : NSObject <NSUserNotificationCenterDelegate> {
+ OSXNotificationCenter* mOSXNC;
+}
+- (id)initWithOSXNC:(OSXNotificationCenter*)osxnc;
+@end
+
+@implementation mozNotificationCenterDelegate
+
+- (id)initWithOSXNC:(OSXNotificationCenter*)osxnc {
+ [super init];
+ // We should *never* outlive this OSXNotificationCenter.
+ mOSXNC = osxnc;
+ return self;
+}
+
+- (void)userNotificationCenter:(id<FakeNSUserNotificationCenter>)center
+ didDeliverNotification:(id<FakeNSUserNotification>)notification {
+}
+
+- (void)userNotificationCenter:(id<FakeNSUserNotificationCenter>)center
+ didActivateNotification:(id<FakeNSUserNotification>)notification {
+ unsigned long long additionalActionIndex = ULLONG_MAX;
+ if ([notification respondsToSelector:@selector(_alternateActionIndex)]) {
+ NSNumber* alternateActionIndex =
+ [(NSObject*)notification valueForKey:@"_alternateActionIndex"];
+ additionalActionIndex = [alternateActionIndex unsignedLongLongValue];
+ }
+ mOSXNC->OnActivate([[notification userInfo] valueForKey:@"name"],
+ notification.activationType, additionalActionIndex);
+}
+
+- (BOOL)userNotificationCenter:(id<FakeNSUserNotificationCenter>)center
+ shouldPresentNotification:(id<FakeNSUserNotification>)notification {
+ return YES;
+}
+
+// This is an undocumented method that we need for parity with Safari.
+// Apple bug #15440664.
+- (void)userNotificationCenter:(id<FakeNSUserNotificationCenter>)center
+ didRemoveDeliveredNotifications:(NSArray*)notifications {
+ for (id<FakeNSUserNotification> notification in notifications) {
+ NSString* name = [[notification userInfo] valueForKey:@"name"];
+ mOSXNC->CloseAlertCocoaString(name);
+ }
+}
+
+// This is an undocumented method that we need to be notified if a user clicks
+// the close button.
+- (void)userNotificationCenter:(id<FakeNSUserNotificationCenter>)center
+ didDismissAlert:(id<FakeNSUserNotification>)notification {
+ NSString* name = [[notification userInfo] valueForKey:@"name"];
+ mOSXNC->CloseAlertCocoaString(name);
+}
+
+@end
+
+namespace mozilla {
+
+enum {
+ OSXNotificationActionDisable = 0,
+ OSXNotificationActionSettings = 1,
+};
+
+class OSXNotificationInfo final : public nsISupports {
+ private:
+ virtual ~OSXNotificationInfo();
+
+ public:
+ NS_DECL_ISUPPORTS
+ OSXNotificationInfo(NSString* name, nsIObserver* observer,
+ const nsAString& alertCookie);
+
+ NSString* mName;
+ nsCOMPtr<nsIObserver> mObserver;
+ nsString mCookie;
+ RefPtr<nsICancelable> mIconRequest;
+ id<FakeNSUserNotification> mPendingNotification;
+};
+
+NS_IMPL_ISUPPORTS0(OSXNotificationInfo)
+
+OSXNotificationInfo::OSXNotificationInfo(NSString* name, nsIObserver* observer,
+ const nsAString& alertCookie) {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ NS_ASSERTION(name, "Cannot create OSXNotificationInfo without a name!");
+ mName = [name retain];
+ mObserver = observer;
+ mCookie = alertCookie;
+ mPendingNotification = nil;
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+OSXNotificationInfo::~OSXNotificationInfo() {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ [mName release];
+ [mPendingNotification release];
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+static id<FakeNSUserNotificationCenter> GetNotificationCenter() {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ Class c = NSClassFromString(@"NSUserNotificationCenter");
+ return [c performSelector:@selector(defaultUserNotificationCenter)];
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(nil);
+}
+
+OSXNotificationCenter::OSXNotificationCenter() {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ mDelegate = [[mozNotificationCenterDelegate alloc] initWithOSXNC:this];
+ GetNotificationCenter().delegate = mDelegate;
+ mSuppressForScreenSharing = false;
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+OSXNotificationCenter::~OSXNotificationCenter() {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ [GetNotificationCenter() removeAllDeliveredNotifications];
+ [mDelegate release];
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+NS_IMPL_ISUPPORTS(OSXNotificationCenter, nsIAlertsService, nsIAlertsIconData,
+ nsIAlertsDoNotDisturb, nsIAlertNotificationImageListener)
+
+nsresult OSXNotificationCenter::Init() {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ return (!!NSClassFromString(@"NSUserNotification")) ? NS_OK
+ : NS_ERROR_FAILURE;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::ShowAlertNotification(
+ const nsAString& aImageUrl, const nsAString& aAlertTitle,
+ const nsAString& aAlertText, bool aAlertTextClickable,
+ const nsAString& aAlertCookie, nsIObserver* aAlertListener,
+ const nsAString& aAlertName, const nsAString& aBidi, const nsAString& aLang,
+ const nsAString& aData, nsIPrincipal* aPrincipal, bool aInPrivateBrowsing,
+ bool aRequireInteraction) {
+ nsCOMPtr<nsIAlertNotification> alert =
+ do_CreateInstance(ALERT_NOTIFICATION_CONTRACTID);
+ NS_ENSURE_TRUE(alert, NS_ERROR_FAILURE);
+ // vibrate is unused for now
+ nsTArray<uint32_t> vibrate;
+ nsresult rv = alert->Init(aAlertName, aImageUrl, aAlertTitle, aAlertText,
+ aAlertTextClickable, aAlertCookie, aBidi, aLang,
+ aData, aPrincipal, aInPrivateBrowsing,
+ aRequireInteraction, false, vibrate);
+ NS_ENSURE_SUCCESS(rv, rv);
+ return ShowAlert(alert, aAlertListener);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::ShowPersistentNotification(
+ const nsAString& aPersistentData, nsIAlertNotification* aAlert,
+ nsIObserver* aAlertListener) {
+ return ShowAlert(aAlert, aAlertListener);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::ShowAlert(nsIAlertNotification* aAlert,
+ nsIObserver* aAlertListener) {
+ return ShowAlertWithIconData(aAlert, aAlertListener, 0, nullptr);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::ShowAlertWithIconData(nsIAlertNotification* aAlert,
+ nsIObserver* aAlertListener,
+ uint32_t aIconSize,
+ const uint8_t* aIconData) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ NS_ENSURE_ARG(aAlert);
+
+ if (mSuppressForScreenSharing) {
+ return NS_OK;
+ }
+
+ Class unClass = NSClassFromString(@"NSUserNotification");
+ id<FakeNSUserNotification> notification = [[unClass alloc] init];
+
+ nsAutoString title;
+ nsresult rv = aAlert->GetTitle(title);
+ NS_ENSURE_SUCCESS(rv, rv);
+ notification.title = nsCocoaUtils::ToNSString(title);
+
+ nsAutoString hostPort;
+ rv = aAlert->GetSource(hostPort);
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsCOMPtr<nsIStringBundle> bundle;
+ nsCOMPtr<nsIStringBundleService> sbs =
+ do_GetService(NS_STRINGBUNDLE_CONTRACTID);
+ sbs->CreateBundle("chrome://alerts/locale/alert.properties",
+ getter_AddRefs(bundle));
+
+ if (!hostPort.IsEmpty() && bundle) {
+ AutoTArray<nsString, 1> formatStrings = {hostPort};
+ nsAutoString notificationSource;
+ bundle->FormatStringFromName("source.label", formatStrings,
+ notificationSource);
+ notification.subtitle = nsCocoaUtils::ToNSString(notificationSource);
+ }
+
+ nsAutoString text;
+ rv = aAlert->GetText(text);
+ NS_ENSURE_SUCCESS(rv, rv);
+ notification.informativeText = nsCocoaUtils::ToNSString(text);
+
+ bool isSilent;
+ aAlert->GetSilent(&isSilent);
+ notification.soundName = isSilent ? nil : NSUserNotificationDefaultSoundName;
+ notification.hasActionButton = NO;
+
+ // If this is not an application/extension alert, show additional actions
+ // dealing with permissions.
+ bool isActionable;
+ if (bundle && NS_SUCCEEDED(aAlert->GetActionable(&isActionable)) &&
+ isActionable) {
+ nsAutoString closeButtonTitle, actionButtonTitle, disableButtonTitle,
+ settingsButtonTitle;
+ bundle->GetStringFromName("closeButton.title", closeButtonTitle);
+ bundle->GetStringFromName("actionButton.label", actionButtonTitle);
+ if (!hostPort.IsEmpty()) {
+ AutoTArray<nsString, 1> formatStrings = {hostPort};
+ bundle->FormatStringFromName("webActions.disableForOrigin.label",
+ formatStrings, disableButtonTitle);
+ }
+ bundle->GetStringFromName("webActions.settings.label", settingsButtonTitle);
+
+ notification.otherButtonTitle = nsCocoaUtils::ToNSString(closeButtonTitle);
+
+ // OS X 10.8 only shows action buttons if the "Alerts" style is set in
+ // Notification Center preferences, and doesn't support the alternate
+ // action menu.
+ if ([notification respondsToSelector:@selector(set_showsButtons:)] &&
+ [notification
+ respondsToSelector:@selector(set_alwaysShowAlternateActionMenu:)] &&
+ [notification
+ respondsToSelector:@selector(set_alternateActionButtonTitles:)]) {
+ notification.hasActionButton = YES;
+ notification.actionButtonTitle =
+ nsCocoaUtils::ToNSString(actionButtonTitle);
+
+ [(NSObject*)notification setValue:@(YES) forKey:@"_showsButtons"];
+ [(NSObject*)notification setValue:@(YES)
+ forKey:@"_alwaysShowAlternateActionMenu"];
+ [(NSObject*)notification setValue:@[
+ nsCocoaUtils::ToNSString(disableButtonTitle),
+ nsCocoaUtils::ToNSString(settingsButtonTitle)
+ ]
+ forKey:@"_alternateActionButtonTitles"];
+ }
+ }
+ nsAutoString name;
+ rv = aAlert->GetName(name);
+ // Don't let an alert name be more than MAX_NOTIFICATION_NAME_LEN characters.
+ // More than that shouldn't be necessary and userInfo (assigned to below) has
+ // a length limit of 16k on OS X 10.11. Exception thrown if limit exceeded.
+ if (name.Length() > MAX_NOTIFICATION_NAME_LEN) {
+ return NS_ERROR_FAILURE;
+ }
+
+ NS_ENSURE_SUCCESS(rv, rv);
+ NSString* alertName = nsCocoaUtils::ToNSString(name);
+ if (!alertName) {
+ return NS_ERROR_FAILURE;
+ }
+ notification.userInfo = [NSDictionary
+ dictionaryWithObjects:[NSArray arrayWithObjects:alertName, nil]
+ forKeys:[NSArray arrayWithObjects:@"name", nil]];
+
+ nsAutoString cookie;
+ rv = aAlert->GetCookie(cookie);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ OSXNotificationInfo* osxni =
+ new OSXNotificationInfo(alertName, aAlertListener, cookie);
+
+ // Show the favicon if supported on this version of OS X.
+ if (aIconSize > 0 &&
+ [notification respondsToSelector:@selector(set_identityImage:)] &&
+ [notification
+ respondsToSelector:@selector(set_identityImageHasBorder:)]) {
+ NSData* iconData = [NSData dataWithBytes:aIconData length:aIconSize];
+ NSImage* icon = [[[NSImage alloc] initWithData:iconData] autorelease];
+
+ [(NSObject*)notification setValue:icon forKey:@"_identityImage"];
+ [(NSObject*)notification setValue:@(NO) forKey:@"_identityImageHasBorder"];
+ }
+
+ bool inPrivateBrowsing;
+ rv = aAlert->GetInPrivateBrowsing(&inPrivateBrowsing);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Show the notification without waiting for an image if there is no icon URL
+ // or notification icons are not supported on this version of OS X.
+ if (![unClass instancesRespondToSelector:@selector(setContentImage:)]) {
+ CloseAlertCocoaString(alertName);
+ mActiveAlerts.AppendElement(osxni);
+ [GetNotificationCenter() deliverNotification:notification];
+ [notification release];
+ if (aAlertListener) {
+ aAlertListener->Observe(nullptr, "alertshow", cookie.get());
+ }
+ } else {
+ mPendingAlerts.AppendElement(osxni);
+ osxni->mPendingNotification = notification;
+ // Wait six seconds for the image to load.
+ rv = aAlert->LoadImage(6000, this, osxni,
+ getter_AddRefs(osxni->mIconRequest));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ShowPendingNotification(osxni);
+ }
+ }
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::CloseAlert(const nsAString& aAlertName,
+ bool aContextClosed) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ NSString* alertName = nsCocoaUtils::ToNSString(aAlertName);
+ CloseAlertCocoaString(alertName);
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+void OSXNotificationCenter::CloseAlertCocoaString(NSString* aAlertName) {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ if (!aAlertName) {
+ return; // Can't do anything without a name
+ }
+
+ NSArray* notifications = [GetNotificationCenter() deliveredNotifications];
+ for (id<FakeNSUserNotification> notification in notifications) {
+ NSString* name = [[notification userInfo] valueForKey:@"name"];
+ if ([name isEqualToString:aAlertName]) {
+ [GetNotificationCenter() removeDeliveredNotification:notification];
+ [GetNotificationCenter() _removeDisplayedNotification:notification];
+ break;
+ }
+ }
+
+ for (unsigned int i = 0; i < mActiveAlerts.Length(); i++) {
+ OSXNotificationInfo* osxni = mActiveAlerts[i];
+ if ([aAlertName isEqualToString:osxni->mName]) {
+ if (osxni->mObserver) {
+ osxni->mObserver->Observe(nullptr, "alertfinished",
+ osxni->mCookie.get());
+ }
+ if (osxni->mIconRequest) {
+ osxni->mIconRequest->Cancel(NS_BINDING_ABORTED);
+ osxni->mIconRequest = nullptr;
+ }
+ mActiveAlerts.RemoveElementAt(i);
+ break;
+ }
+ }
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+void OSXNotificationCenter::OnActivate(
+ NSString* aAlertName, NSUserNotificationActivationType aActivationType,
+ unsigned long long aAdditionalActionIndex) {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ if (!aAlertName) {
+ return; // Can't do anything without a name
+ }
+
+ for (unsigned int i = 0; i < mActiveAlerts.Length(); i++) {
+ OSXNotificationInfo* osxni = mActiveAlerts[i];
+ if ([aAlertName isEqualToString:osxni->mName]) {
+ if (osxni->mObserver) {
+ switch ((int)aActivationType) {
+ case NSUserNotificationActivationTypeAdditionalActionClicked:
+ case NSUserNotificationActivationTypeActionButtonClicked:
+ switch (aAdditionalActionIndex) {
+ case OSXNotificationActionDisable:
+ osxni->mObserver->Observe(nullptr, "alertdisablecallback",
+ osxni->mCookie.get());
+ break;
+ case OSXNotificationActionSettings:
+ osxni->mObserver->Observe(nullptr, "alertsettingscallback",
+ osxni->mCookie.get());
+ break;
+ default:
+ NS_WARNING(
+ "Unknown NSUserNotification additional action clicked");
+ break;
+ }
+ break;
+ default:
+ osxni->mObserver->Observe(nullptr, "alertclickcallback",
+ osxni->mCookie.get());
+ break;
+ }
+ }
+ return;
+ }
+ }
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+void OSXNotificationCenter::ShowPendingNotification(
+ OSXNotificationInfo* osxni) {
+ NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+ if (osxni->mIconRequest) {
+ osxni->mIconRequest->Cancel(NS_BINDING_ABORTED);
+ osxni->mIconRequest = nullptr;
+ }
+
+ CloseAlertCocoaString(osxni->mName);
+
+ for (unsigned int i = 0; i < mPendingAlerts.Length(); i++) {
+ if (mPendingAlerts[i] == osxni) {
+ mActiveAlerts.AppendElement(osxni);
+ mPendingAlerts.RemoveElementAt(i);
+ break;
+ }
+ }
+
+ [GetNotificationCenter() deliverNotification:osxni->mPendingNotification];
+
+ if (osxni->mObserver) {
+ osxni->mObserver->Observe(nullptr, "alertshow", osxni->mCookie.get());
+ }
+
+ [osxni->mPendingNotification release];
+ osxni->mPendingNotification = nil;
+
+ NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::OnImageMissing(nsISupports* aUserData) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ OSXNotificationInfo* osxni = static_cast<OSXNotificationInfo*>(aUserData);
+ if (osxni->mPendingNotification) {
+ // If there was an error getting the image, or the request timed out, show
+ // the notification without a content image.
+ ShowPendingNotification(osxni);
+ }
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::OnImageReady(nsISupports* aUserData,
+ imgIRequest* aRequest) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+ nsCOMPtr<imgIContainer> image;
+ nsresult rv = aRequest->GetImage(getter_AddRefs(image));
+ if (NS_WARN_IF(NS_FAILED(rv) || !image)) {
+ return rv;
+ }
+
+ OSXNotificationInfo* osxni = static_cast<OSXNotificationInfo*>(aUserData);
+ if (!osxni->mPendingNotification) {
+ return NS_ERROR_FAILURE;
+ }
+
+ NSImage* cocoaImage = nil;
+ // TODO: Pass pres context / ComputedStyle here to support context paint
+ // properties
+ nsCocoaUtils::CreateDualRepresentationNSImageFromImageContainer(
+ image, imgIContainer::FRAME_FIRST, nullptr, nullptr, &cocoaImage);
+ (osxni->mPendingNotification).contentImage = cocoaImage;
+ [cocoaImage release];
+ ShowPendingNotification(osxni);
+
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+// nsIAlertsDoNotDisturb
+NS_IMETHODIMP
+OSXNotificationCenter::GetManualDoNotDisturb(bool* aRetVal) {
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::SetManualDoNotDisturb(bool aDoNotDisturb) {
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::GetSuppressForScreenSharing(bool* aRetVal) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN
+
+ NS_ENSURE_ARG(aRetVal);
+ *aRetVal = mSuppressForScreenSharing;
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE)
+}
+
+NS_IMETHODIMP
+OSXNotificationCenter::SetSuppressForScreenSharing(bool aSuppress) {
+ NS_OBJC_BEGIN_TRY_BLOCK_RETURN
+
+ mSuppressForScreenSharing = aSuppress;
+ return NS_OK;
+
+ NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE)
+}
+
+} // namespace mozilla