dom/events/MessageEvent.h
author Ehsan Akhgari <ehsan@mozilla.com>
Wed, 25 Mar 2015 12:42:35 -0400
changeset 245309 a20c7910a82fa2df2f3398c1108d102bac9128b0
parent 242321 c72719039a6b61f3c0a220b799367b408ae8bbaf
permissions -rw-r--r--
Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj This patch was automatically generated using the following script: function convert() { echo "Converting $1 to $2..." find . \ ! -wholename "*/.git*" \ ! -wholename "obj-ff-dbg*" \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert MOZ_OVERRIDE override convert MOZ_FINAL final

/* -*- 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/. */

#ifndef mozilla_dom_MessageEvent_h_
#define mozilla_dom_MessageEvent_h_

#include "mozilla/dom/Event.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIDOMMessageEvent.h"
#include "mozilla/dom/MessagePortList.h"

namespace mozilla {
namespace dom {

struct MessageEventInit;
class MessagePort;
class MessagePortBase;
class MessagePortList;
class OwningWindowProxyOrMessagePort;

/**
 * Implements the MessageEvent event, used for cross-document messaging and
 * server-sent events.
 *
 * See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for
 * further details.
 */
class MessageEvent final : public Event,
                               public nsIDOMMessageEvent
{
public:
  MessageEvent(EventTarget* aOwner,
               nsPresContext* aPresContext,
               WidgetEvent* aEvent);

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)

  NS_DECL_NSIDOMMESSAGEEVENT

  // Forward to base class
  NS_FORWARD_TO_EVENT

  virtual JSObject* WrapObjectInternal(JSContext* aCx) override;

  void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,
               ErrorResult& aRv);

  void GetSource(Nullable<OwningWindowProxyOrMessagePort>& aValue) const;

  MessagePortList* GetPorts()
  {
    return mPorts;
  }

  void SetPorts(MessagePortList* aPorts);

  // Non WebIDL methods
  void SetSource(mozilla::dom::MessagePort* aPort);

  void SetSource(nsPIDOMWindow* aWindow)
  {
    mWindowSource = aWindow;
  }

  static already_AddRefed<MessageEvent>
  Constructor(const GlobalObject& aGlobal,
              const nsAString& aType,
              const MessageEventInit& aEventInit,
              ErrorResult& aRv);

  static already_AddRefed<MessageEvent>
  Constructor(EventTarget* aEventTarget,
              const nsAString& aType,
              const MessageEventInit& aEventInit,
              ErrorResult& aRv);

protected:
  ~MessageEvent();

private:
  JS::Heap<JS::Value> mData;
  nsString mOrigin;
  nsString mLastEventId;
  nsCOMPtr<nsIDOMWindow> mWindowSource;
  nsRefPtr<MessagePortBase> mPortSource;
  nsRefPtr<MessagePortList> mPorts;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_MessageEvent_h_