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InputEvent.dataTransfer is declared by Input Events Level 1 and Level 2 (i.e., not UI Events). It's necessary for "beforeinput" event on contenteditable elements because of with some InputEvent.inputType values on contenteditable, InputEvent.dataTransfer is used instead of InputEvent.data. According to the Chrome's behavior, if InputEvent.dataTransfer is created by web apps, the DataTransfer object is mutable. Otherwise, i.e., the event represents user input, the DataTransfer object is read only. We should follow this behavior. This is enabled by default. Differential Revision: https://phabricator.services.mozilla.com/D19296 --HG-- extra : moz-landing-system : lando
57 lines
1.8 KiB
C++
57 lines
1.8 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_InputEvent_h_
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#define mozilla_dom_InputEvent_h_
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#include "mozilla/dom/UIEvent.h"
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#include "mozilla/dom/InputEventBinding.h"
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#include "mozilla/EventForwards.h"
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namespace mozilla {
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namespace dom {
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class DataTransfer;
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class InputEvent : public UIEvent {
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public:
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InputEvent(EventTarget* aOwner, nsPresContext* aPresContext,
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InternalEditorInputEvent* aEvent);
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NS_INLINE_DECL_REFCOUNTING_INHERITED(InputEvent, UIEvent)
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static already_AddRefed<InputEvent> Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const InputEventInit& aParam,
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ErrorResult& aRv);
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virtual JSObject* WrapObjectInternal(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
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return InputEvent_Binding::Wrap(aCx, this, aGivenProto);
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}
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void GetInputType(nsAString& aInputType);
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void GetData(nsAString& aData);
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DataTransfer* GetDataTransfer();
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bool IsComposing();
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protected:
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~InputEvent() {}
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// mInputTypeValue stores inputType attribute value if the instance is
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// created by script and not initialized with known inputType value.
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nsString mInputTypeValue;
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};
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} // namespace dom
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} // namespace mozilla
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already_AddRefed<mozilla::dom::InputEvent> NS_NewDOMInputEvent(
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mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
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mozilla::InternalEditorInputEvent* aEvent);
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#endif // mozilla_dom_InputEvent_h_
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