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::dom {
  13
  14 /**
  15  * Implementation for the WebIDL ChromeMessageBroadcaster interface. Used for
  16  * window and group message managers.
  17  */
  18 class ChromeMessageBroadcaster final : public MessageBroadcaster {
  19  public:
  20   explicit ChromeMessageBroadcaster(MessageManagerFlags aFlags)
  21       : ChromeMessageBroadcaster(nullptr, aFlags) {
  22     MOZ_ASSERT(!(aFlags & ~(MessageManagerFlags::MM_GLOBAL |
  23                             MessageManagerFlags::MM_OWNSCALLBACK)));
  24   }
  25   explicit ChromeMessageBroadcaster(MessageBroadcaster* aParentManager)
  26       : ChromeMessageBroadcaster(aParentManager, MessageManagerFlags::MM_NONE) {
  27   }
  28
  29   virtual JSObject* WrapObject(JSContext* aCx,
  30                                JS::Handle<JSObject*> aGivenProto) override;
  31
  32   // FrameScriptLoader
  33   void LoadFrameScript(const nsAString& aUrl, bool aAllowDelayedLoad,
  34                        bool aRunInGlobalScope, mozilla::ErrorResult& aError) {
  35     LoadScript(aUrl, aAllowDelayedLoad, aRunInGlobalScope, aError);
  36   }
  37   void RemoveDelayedFrameScript(const nsAString& aURL) {
  38     RemoveDelayedScript(aURL);
  39   }
  40   void GetDelayedFrameScripts(JSContext* aCx,
  41                               nsTArray<nsTArray<JS::Value>>& aScripts,
  42                               mozilla::ErrorResult& aError) {
  43     GetDelayedScripts(aCx, aScripts, aError);
  44   }
  45
  46  private:
  47   ChromeMessageBroadcaster(MessageBroadcaster* aParentManager,
  48                            MessageManagerFlags aFlags)
  49       : MessageBroadcaster(aParentManager,
  50                            aFlags | MessageManagerFlags::MM_CHROME) {}
  51 };
  52
  53 }  // namespace mozilla::dom
  54
  55 #endif  // mozilla_dom_ChromeMessageBroadcaster_h