dom/base/ChromeMessageBroadcaster.h
author Dave Townsend <dtownsend@oxymoronical.com>
Sun, 13 Jan 2019 17:44:29 -0800
changeset 453676 edca8877b0505cd1c31beaf6d907ca32e022aa52
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Backing out Bug 1518799 (changeset eace4709948c) because the target page is not yet available. a=backout

/* -*- 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/. */

#ifndef mozilla_dom_ChromeMessageBroadcaster_h
#define mozilla_dom_ChromeMessageBroadcaster_h

#include "mozilla/dom/MessageBroadcaster.h"

namespace mozilla {
namespace dom {

/**
 * Implementation for the WebIDL ChromeMessageBroadcaster interface. Used for
 * window and group message managers.
 */
class ChromeMessageBroadcaster final : public MessageBroadcaster {
 public:
  explicit ChromeMessageBroadcaster(MessageManagerFlags aFlags)
      : ChromeMessageBroadcaster(nullptr, aFlags) {
    MOZ_ASSERT(!(aFlags & ~(MessageManagerFlags::MM_GLOBAL |
                            MessageManagerFlags::MM_OWNSCALLBACK)));
  }
  explicit ChromeMessageBroadcaster(MessageBroadcaster* aParentManager)
      : ChromeMessageBroadcaster(aParentManager, MessageManagerFlags::MM_NONE) {
  }

  virtual JSObject* WrapObject(JSContext* aCx,
                               JS::Handle<JSObject*> aGivenProto) override;

  // FrameScriptLoader
  void LoadFrameScript(const nsAString& aUrl, bool aAllowDelayedLoad,
                       bool aRunInGlobalScope, mozilla::ErrorResult& aError) {
    LoadScript(aUrl, aAllowDelayedLoad, aRunInGlobalScope, aError);
  }
  void RemoveDelayedFrameScript(const nsAString& aURL) {
    RemoveDelayedScript(aURL);
  }
  void GetDelayedFrameScripts(JSContext* aCx,
                              nsTArray<nsTArray<JS::Value>>& aScripts,
                              mozilla::ErrorResult& aError) {
    GetDelayedScripts(aCx, aScripts, aError);
  }

 private:
  ChromeMessageBroadcaster(MessageBroadcaster* aParentManager,
                           MessageManagerFlags aFlags)
      : MessageBroadcaster(aParentManager,
                           aFlags | MessageManagerFlags::MM_CHROME) {}
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_ChromeMessageBroadcaster_h