зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.4 KiB
C++
86 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_HTMLListAccessible_h__
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#define mozilla_a11y_HTMLListAccessible_h__
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#include "BaseAccessibles.h"
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#include "HyperTextAccessible.h"
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namespace mozilla {
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namespace a11y {
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class HTMLListBulletAccessible;
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/**
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* Used for HTML list (like HTML ul).
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*/
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class HTMLListAccessible : public HyperTextAccessible {
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public:
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HTMLListAccessible(nsIContent* aContent, DocAccessible* aDoc)
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: HyperTextAccessible(aContent, aDoc) {
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mGenericTypes |= eList;
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}
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// nsISupports
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NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLListAccessible, HyperTextAccessible)
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// LocalAccessible
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virtual a11y::role NativeRole() const override;
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virtual uint64_t NativeState() const override;
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protected:
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virtual ~HTMLListAccessible() {}
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};
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/**
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* Used for HTML list item (e.g. HTML li).
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*/
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class HTMLLIAccessible : public HyperTextAccessible {
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public:
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HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// nsISupports
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NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLIAccessible, HyperTextAccessible)
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// LocalAccessible
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virtual nsRect BoundsInAppUnits() const override;
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virtual a11y::role NativeRole() const override;
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virtual uint64_t NativeState() const override;
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// HTMLLIAccessible
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LocalAccessible* Bullet() const;
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protected:
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virtual ~HTMLLIAccessible() {}
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};
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/**
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* Used for bullet of HTML list item element (for example, HTML li).
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*/
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class HTMLListBulletAccessible : public LeafAccessible {
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public:
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HTMLListBulletAccessible(nsIContent* aContent, DocAccessible* aDoc);
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virtual ~HTMLListBulletAccessible() {}
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// LocalAccessible
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virtual ENameValueFlag Name(nsString& aName) const override;
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virtual a11y::role NativeRole() const override;
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virtual uint64_t NativeState() const override;
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virtual already_AddRefed<AccAttributes> NativeAttributes() override;
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virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0,
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uint32_t aLength = UINT32_MAX) override;
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};
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inline HTMLLIAccessible* LocalAccessible::AsHTMLListItem() {
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return IsHTMLListItem() ? static_cast<HTMLLIAccessible*>(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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