зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.0 KiB
C++
68 строки
2.0 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 _nsEventShell_H_
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#define _nsEventShell_H_
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#include "AccEvent.h"
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namespace mozilla {
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template<typename T> class StaticRefPtr;
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}
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class nsIPersistentProperties;
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/**
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* Used for everything about events.
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*/
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class nsEventShell
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{
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public:
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/**
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* Fire the accessible event.
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*/
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static void FireEvent(mozilla::a11y::AccEvent* aEvent);
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/**
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* Fire accessible event of the given type for the given accessible.
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*
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* @param aEventType [in] the event type
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* @param aAccessible [in] the event target
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*/
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static void FireEvent(uint32_t aEventType,
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mozilla::a11y::Accessible* aAccessible,
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mozilla::a11y::EIsFromUserInput aIsFromUserInput = mozilla::a11y::eAutoDetect);
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/**
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* Fire state change event.
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*/
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static void FireEvent(mozilla::a11y::Accessible* aTarget, uint64_t aState,
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bool aIsEnabled, bool aIsFromUserInput)
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{
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RefPtr<mozilla::a11y::AccStateChangeEvent> stateChangeEvent =
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new mozilla::a11y::AccStateChangeEvent(aTarget, aState, aIsEnabled,
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(aIsFromUserInput ?
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mozilla::a11y::eFromUserInput :
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mozilla::a11y::eNoUserInput));
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FireEvent(stateChangeEvent);
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}
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/**
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* Append 'event-from-input' object attribute if the accessible event has
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* been fired just now for the given node.
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*
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* @param aNode [in] the DOM node
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* @param aAttributes [in, out] the attributes
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*/
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static void GetEventAttributes(nsINode *aNode,
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nsIPersistentProperties *aAttributes);
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private:
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static mozilla::StaticRefPtr<nsINode> sEventTargetNode;
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static bool sEventFromUserInput;
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};
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#endif
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