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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
#ifndef mozilla_a11y_RootAccessible_h__
#define mozilla_a11y_RootAccessible_h__
#include "HyperTextAccessible.h"
#include "DocAccessibleWrap.h"
#include "nsIDOMEventListener.h"
namespace mozilla {
class PresShell;
namespace a11y {
/**
* The node at a root of the accessibility tree. This node originated in the
* current process. If this is the parent process, RootAccessible is the
* Accessible for the top-level window. If this is a content process,
* RootAccessible is a top-level content document in this process, which is
* either a tab document or an out-of-process iframe.
*/
class RootAccessible : public DocAccessibleWrap, public nsIDOMEventListener {
NS_DECL_ISUPPORTS_INHERITED
public:
RootAccessible(dom::Document* aDocument, PresShell* aPresShell);
// nsIDOMEventListener
NS_DECL_NSIDOMEVENTLISTENER
// LocalAccessible
virtual void Shutdown() override;
virtual mozilla::a11y::ENameValueFlag Name(nsString& aName) const override;
virtual Relation RelationByType(RelationType aType) const override;
virtual uint64_t NativeState() const override;
// RootAccessible
/**
* Notify that the sub document presshell was activated.
*/
virtual void DocumentActivated(DocAccessible* aDocument);
/**
* Return the primary remote top level document if any.
*/
RemoteAccessible* GetPrimaryRemoteTopLevelContentDoc() const;
protected:
virtual ~RootAccessible();
/**
* Add/remove DOM event listeners.
*/
virtual nsresult AddEventListeners() override;
virtual nsresult RemoveEventListeners() override;
/**
* Process the DOM event.
*/
void ProcessDOMEvent(dom::Event* aDOMEvent, nsINode* aTarget);
/**
* Process "popupshown" event. Used by HandleEvent().
*/
void HandlePopupShownEvent(LocalAccessible* aAccessible);
/*
* Process "popuphiding" event. Used by HandleEvent().
*/
void HandlePopupHidingEvent(nsINode* aNode);
void HandleTreeRowCountChangedEvent(dom::Event* aEvent,
XULTreeAccessible* aAccessible);
void HandleTreeInvalidatedEvent(dom::Event* aEvent,
XULTreeAccessible* aAccessible);
uint32_t GetChromeFlags() const;
};
inline RootAccessible* LocalAccessible::AsRoot() {
return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr;
}
} // namespace a11y
} // namespace mozilla
#endif