The Tor Browser: dom/events/MessageEvent.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef mozilla_dom_MessageEvent_h_

     7 #define mozilla_dom_MessageEvent_h_

     9 #include "mozilla/dom/Event.h"

    10 #include "nsCycleCollectionParticipant.h"

    11 #include "nsIDOMMessageEvent.h"

    12 #include "mozilla/dom/MessagePortList.h"

    14 namespace mozilla {

    15 namespace dom {

    17 class MessageEventInit;

    18 class MessagePort;

    19 class MessagePortBase;

    20 class MessagePortList;

    21 class OwningWindowProxyOrMessagePort;

    23 /**

    24  * Implements the MessageEvent event, used for cross-document messaging and

    25  * server-sent events.

    26  *

    27  * See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for

    28  * further details.

    29  */

    30 class MessageEvent : public Event,

    31                      public nsIDOMMessageEvent

    32 {

    33 public:

    34   MessageEvent(EventTarget* aOwner,

    35                nsPresContext* aPresContext,

    36                WidgetEvent* aEvent);

    37   ~MessageEvent();

    39   NS_DECL_ISUPPORTS_INHERITED

    40   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)

    42   NS_DECL_NSIDOMMESSAGEEVENT

    44   // Forward to base class

    45   NS_FORWARD_TO_EVENT

    47   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;

    49   void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,

    50                ErrorResult& aRv);

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

    54   MessagePortList* GetPorts()

    55   {

    56     return mPorts;

    57   }

    59   void SetPorts(MessagePortList* aPorts);

    61   // Non WebIDL methods

    62   void SetSource(mozilla::dom::MessagePort* aPort)

    63   {

    64     mPortSource = aPort;

    65   }

    67   void SetSource(nsPIDOMWindow* aWindow)

    68   {

    69     mWindowSource = aWindow;

    70   }

    72   static already_AddRefed<MessageEvent>

    73   Constructor(const GlobalObject& aGlobal, JSContext* aCx,

    74               const nsAString& aType,

    75               const MessageEventInit& aEventInit,

    76               ErrorResult& aRv);

    78 private:

    79   JS::Heap<JS::Value> mData;

    80   nsString mOrigin;

    81   nsString mLastEventId;

    82   nsCOMPtr<nsIDOMWindow> mWindowSource;

    83   nsRefPtr<MessagePortBase> mPortSource;

    84   nsRefPtr<MessagePortList> mPorts;

    85 };

    87 } // namespace dom

    88 } // namespace mozilla

    90 #endif // mozilla_dom_MessageEvent_h_

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