gecko-dev/accessible/generic/RootAccessible.h

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C
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 15:12:37 +04:00
/* 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 mozilla_a11y_RootAccessible_h__
#define mozilla_a11y_RootAccessible_h__
#include "HyperTextAccessible.h"
#include "DocAccessibleWrap.h"
#include "nsIDOMEventListener.h"
class nsIDocument;
namespace mozilla {
namespace a11y {
class RootAccessible : public DocAccessibleWrap,
public nsIDOMEventListener
{
NS_DECL_ISUPPORTS_INHERITED
public:
RootAccessible(nsIDocument* aDocument, nsIPresShell* aPresShell);
// nsIDOMEventListener
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override;
// Accessible
virtual void Shutdown() override;
virtual mozilla::a11y::ENameValueFlag Name(nsString& aName) override;
virtual Relation RelationByType(RelationType aType) override;
virtual mozilla::a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
// RootAccessible
/**
* Notify that the sub document presshell was activated.
*/
virtual void DocumentActivated(DocAccessible* aDocument);
/**
* Return the primary remote top level document if any.
*/
ProxyAccessible* GetPrimaryRemoteTopLevelContentDoc() const;
protected:
virtual ~RootAccessible();
/**
* Add/remove DOM event listeners.
*/
virtual nsresult AddEventListeners() override;
virtual nsresult RemoveEventListeners() override;
/**
* Process the DOM event.
*/
void ProcessDOMEvent(nsIDOMEvent* aEvent);
/**
* Process "popupshown" event. Used by HandleEvent().
*/
void HandlePopupShownEvent(Accessible* aAccessible);
/*
* Process "popuphiding" event. Used by HandleEvent().
*/
void HandlePopupHidingEvent(nsINode* aNode);
#ifdef MOZ_XUL
void HandleTreeRowCountChangedEvent(nsIDOMEvent* aEvent,
XULTreeAccessible* aAccessible);
void HandleTreeInvalidatedEvent(nsIDOMEvent* aEvent,
XULTreeAccessible* aAccessible);
uint32_t GetChromeFlags();
#endif
};
inline RootAccessible*
Accessible::AsRoot()
{
return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr;
}
} // namespace a11y
} // namespace mozilla
#endif