105 lines
2.6 KiB
C++
105 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 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 "HyperTextAccessibleWrap.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 HyperTextAccessibleWrap
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{
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public:
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HTMLListAccessible(nsIContent* aContent, DocAccessible* aDoc) :
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HyperTextAccessibleWrap(aContent, aDoc) { mGenericTypes |= eList; }
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// Accessible
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virtual a11y::role NativeRole() override;
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virtual uint64_t NativeState() 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 HyperTextAccessibleWrap
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{
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public:
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HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// Accessible
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virtual void Shutdown() override;
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virtual nsIntRect Bounds() const override;
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virtual a11y::role NativeRole() override;
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virtual uint64_t NativeState() override;
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virtual bool InsertChildAt(uint32_t aIndex, Accessible* aChild) override;
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// HTMLLIAccessible
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HTMLListBulletAccessible* Bullet() const { return mBullet; }
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void UpdateBullet(bool aHasBullet);
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protected:
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virtual ~HTMLLIAccessible() { }
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private:
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RefPtr<HTMLListBulletAccessible> mBullet;
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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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{
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public:
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HTMLListBulletAccessible(nsIContent* aContent, DocAccessible* aDoc);
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virtual ~HTMLListBulletAccessible() { }
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// Accessible
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virtual nsIFrame* GetFrame() const override;
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virtual ENameValueFlag Name(nsString& aName) override;
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virtual a11y::role NativeRole() override;
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virtual uint64_t NativeState() 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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// HTMLListBulletAccessible
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/**
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* Return true if the bullet is inside of list item element boundaries.
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*/
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bool IsInside() const;
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};
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inline HTMLLIAccessible*
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Accessible::AsHTMLListItem()
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{
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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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