DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (e9d6d0965bc6)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
/* -*- 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_BroadcastChannel_h
#define mozilla_dom_BroadcastChannel_h

#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsAutoPtr.h"
#include "nsTArray.h"
#include "mozilla/RefPtr.h"

class nsIGlobalObject;

namespace mozilla {

namespace ipc {
class PrincipalInfo;
}  // namespace ipc

namespace dom {

class BroadcastChannelChild;
class BroadcastChannelMessage;
class WorkerRef;

class BroadcastChannel final : public DOMEventTargetHelper {
  friend class BroadcastChannelChild;

  typedef mozilla::ipc::PrincipalInfo PrincipalInfo;

 public:
  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BroadcastChannel,
                                           DOMEventTargetHelper)

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

  static already_AddRefed<BroadcastChannel> Constructor(
      const GlobalObject& aGlobal, const nsAString& aChannel, ErrorResult& aRv);

  void GetName(nsAString& aName) const { aName = mChannel; }

  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
                   ErrorResult& aRv);

  void Close();

  IMPL_EVENT_HANDLER(message)
  IMPL_EVENT_HANDLER(messageerror)

  void Shutdown();

 private:
  BroadcastChannel(nsIGlobalObject* aGlobal, const nsAString& aChannel);

  ~BroadcastChannel();

  void RemoveDocFromBFCache();

  void DisconnectFromOwner() override;

  RefPtr<BroadcastChannelChild> mActor;

  RefPtr<WorkerRef> mWorkerRef;

  nsString mChannel;

  enum { StateActive, StateClosed } mState;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_BroadcastChannel_h