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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _nsEventShell_H_
#define _nsEventShell_H_
#include "AccEvent.h"
namespace mozilla {
template<typename T> class StaticRefPtr;
}
class nsIPersistentProperties;
/**
* Used for everything about events.
*/
class nsEventShell
{
public:
/**
* Fire the accessible event.
*/
static void FireEvent(mozilla::a11y::AccEvent* aEvent);
/**
* Fire accessible event of the given type for the given accessible.
*
* @param aEventType [in] the event type
* @param aAccessible [in] the event target
*/
static void FireEvent(uint32_t aEventType,
mozilla::a11y::Accessible* aAccessible,
mozilla::a11y::EIsFromUserInput aIsFromUserInput = mozilla::a11y::eAutoDetect);
/**
* Fire state change event.
*/
static void FireEvent(mozilla::a11y::Accessible* aTarget, uint64_t aState,
bool aIsEnabled, bool aIsFromUserInput)
{
RefPtr<mozilla::a11y::AccStateChangeEvent> stateChangeEvent =
new mozilla::a11y::AccStateChangeEvent(aTarget, aState, aIsEnabled,
(aIsFromUserInput ?
mozilla::a11y::eFromUserInput :
mozilla::a11y::eNoUserInput));
FireEvent(stateChangeEvent);
}
/**
* Append 'event-from-input' object attribute if the accessible event has
* been fired just now for the given node.
*
* @param aNode [in] the DOM node
* @param aAttributes [in, out] the attributes
*/
static void GetEventAttributes(nsINode *aNode,
nsIPersistentProperties *aAttributes);
private:
static mozilla::StaticRefPtr<nsINode> sEventTargetNode;
static bool sEventFromUserInput;
};
#endif
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