mirror of
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79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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_EventTarget_h_
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#define mozilla_dom_EventTarget_h_
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#include "nsIDOMEventTarget.h"
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#include "nsWrapperCache.h"
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#include "nsIDOMEventListener.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/Nullable.h"
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#include "nsIAtom.h"
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class nsDOMEvent;
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namespace mozilla {
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namespace dom {
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class EventListener;
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class EventHandlerNonNull;
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// IID for the dom::EventTarget interface
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#define NS_EVENTTARGET_IID \
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{ 0x0a5aed21, 0x0bab, 0x48b3, \
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{ 0xbe, 0x4b, 0xd4, 0xf9, 0xd4, 0xea, 0xc7, 0xdb } }
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class EventTarget : public nsIDOMEventTarget,
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public nsWrapperCache
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_EVENTTARGET_IID)
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// WebIDL API
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using nsIDOMEventTarget::AddEventListener;
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using nsIDOMEventTarget::RemoveEventListener;
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using nsIDOMEventTarget::DispatchEvent;
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virtual void AddEventListener(const nsAString& aType,
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nsIDOMEventListener* aCallback,
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bool aCapture,
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const Nullable<bool>& aWantsUntrusted,
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ErrorResult& aRv) = 0;
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virtual void RemoveEventListener(const nsAString& aType,
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nsIDOMEventListener* aCallback,
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bool aCapture,
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ErrorResult& aRv);
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bool DispatchEvent(nsDOMEvent& aEvent, ErrorResult& aRv);
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EventHandlerNonNull* GetEventHandler(const nsAString& aType)
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{
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nsCOMPtr<nsIAtom> type = do_GetAtom(aType);
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return GetEventHandler(type);
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}
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void SetEventHandler(const nsAString& aType, EventHandlerNonNull* aHandler,
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ErrorResult& rv)
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{
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nsCOMPtr<nsIAtom> type = do_GetAtom(aType);
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return SetEventHandler(type, aHandler, rv);
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}
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// Note, for an event 'foo' aType will be 'onfoo'.
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virtual void EventListenerAdded(nsIAtom* aType) {}
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virtual void EventListenerRemoved(nsIAtom* aType) {}
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protected:
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EventHandlerNonNull* GetEventHandler(nsIAtom* aType);
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void SetEventHandler(nsIAtom* aType, EventHandlerNonNull* aHandler,
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ErrorResult& rv);
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(EventTarget, NS_EVENTTARGET_IID)
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_EventTarget_h_
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