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