dom/base/ChromeMessageBroadcaster.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_ChromeMessageBroadcaster_h
   8 #define mozilla_dom_ChromeMessageBroadcaster_h
   9
  10 #include "mozilla/dom/MessageBroadcaster.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 /**
  16  * Implementation for the WebIDL ChromeMessageBroadcaster interface. Used for
  17  * window and group message managers.
  18  */
  19 class ChromeMessageBroadcaster final : public MessageBroadcaster {
  20  public:
  21   explicit ChromeMessageBroadcaster(MessageManagerFlags aFlags)
  22       : ChromeMessageBroadcaster(nullptr, aFlags) {
  23     MOZ_ASSERT(!(aFlags & ~(MessageManagerFlags::MM_GLOBAL |
  24                             MessageManagerFlags::MM_OWNSCALLBACK)));
  25   }
  26   explicit ChromeMessageBroadcaster(MessageBroadcaster* aParentManager)
  27       : ChromeMessageBroadcaster(aParentManager, MessageManagerFlags::MM_NONE) {
  28   }
  29
  30   virtual JSObject* WrapObject(JSContext* aCx,
  31                                JS::Handle<JSObject*> aGivenProto) override;
  32
  33   // FrameScriptLoader
  34   void LoadFrameScript(const nsAString& aUrl, bool aAllowDelayedLoad,
  35                        bool aRunInGlobalScope, mozilla::ErrorResult& aError) {
  36     LoadScript(aUrl, aAllowDelayedLoad, aRunInGlobalScope, aError);
  37   }
  38   void RemoveDelayedFrameScript(const nsAString& aURL) {
  39     RemoveDelayedScript(aURL);
  40   }
  41   void GetDelayedFrameScripts(JSContext* aCx,
  42                               nsTArray<nsTArray<JS::Value>>& aScripts,
  43                               mozilla::ErrorResult& aError) {
  44     GetDelayedScripts(aCx, aScripts, aError);
  45   }
  46
  47  private:
  48   ChromeMessageBroadcaster(MessageBroadcaster* aParentManager,
  49                            MessageManagerFlags aFlags)
  50       : MessageBroadcaster(aParentManager,
  51                            aFlags | MessageManagerFlags::MM_CHROME) {}
  52 };
  53
  54 }  // namespace dom
  55 }  // namespace mozilla
  56
  57 #endif  // mozilla_dom_ChromeMessageBroadcaster_h