109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_MessageEvent_h_
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#define mozilla_dom_MessageEvent_h_
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#include "mozilla/dom/Event.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/MessagePortList.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIDOMMessageEvent.h"
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namespace mozilla {
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namespace dom {
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struct MessageEventInit;
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class MessagePort;
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class MessagePortList;
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class OwningWindowProxyOrMessagePort;
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class WindowProxyOrMessagePort;
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/**
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* Implements the MessageEvent event, used for cross-document messaging and
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* server-sent events.
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*
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* See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for
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* further details.
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*/
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class MessageEvent final : public Event,
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public nsIDOMMessageEvent
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{
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public:
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MessageEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)
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NS_DECL_NSIDOMMESSAGEEVENT
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// Forward to base class
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NS_FORWARD_TO_EVENT
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virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,
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ErrorResult& aRv);
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void GetSource(Nullable<OwningWindowProxyOrMessagePort>& aValue) const;
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MessagePortList* GetPorts()
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{
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return mPorts;
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}
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void SetPorts(MessagePortList* aPorts);
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// Non WebIDL methods
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void SetSource(mozilla::dom::MessagePort* aPort);
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void SetSource(nsPIDOMWindow* aWindow)
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{
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mWindowSource = aWindow;
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}
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static already_AddRefed<MessageEvent>
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Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const MessageEventInit& aEventInit,
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ErrorResult& aRv);
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static already_AddRefed<MessageEvent>
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Constructor(EventTarget* aEventTarget,
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const nsAString& aType,
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const MessageEventInit& aEventInit,
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ErrorResult& aRv);
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void InitMessageEvent(JSContext* aCx, const nsAString& aType, bool aCanBubble,
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bool aCancelable, JS::Handle<JS::Value> aData,
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const nsAString& aOrigin, const nsAString& aLastEventId,
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const Nullable<WindowProxyOrMessagePort>& aSource,
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const Nullable<Sequence<OwningNonNull<MessagePort>>>& aPorts);
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protected:
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~MessageEvent();
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private:
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JS::Heap<JS::Value> mData;
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nsString mOrigin;
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nsString mLastEventId;
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nsCOMPtr<nsIDOMWindow> mWindowSource;
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RefPtr<MessagePort> mPortSource;
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RefPtr<MessagePortList> mPorts;
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};
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} // namespace dom
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} // namespace mozilla
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already_AddRefed<mozilla::dom::MessageEvent>
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NS_NewDOMMessageEvent(mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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mozilla::WidgetEvent* aEvent);
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#endif // mozilla_dom_MessageEvent_h_
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