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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 file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_a11y_HTMLListAccessible_h__
#define mozilla_a11y_HTMLListAccessible_h__
#include "BaseAccessibles.h"
#include "HyperTextAccessibleWrap.h"
namespace mozilla {
namespace a11y {
class HTMLListBulletAccessible;
/**
* Used for HTML list (like HTML ul).
*/
class HTMLListAccessible : public HyperTextAccessibleWrap
{
public:
HTMLListAccessible(nsIContent* aContent, DocAccessible* aDoc) :
HyperTextAccessibleWrap(aContent, aDoc) { mGenericTypes |= eList; }
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// Accessible
virtual a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
protected:
virtual ~HTMLListAccessible() { }
};
/**
* Used for HTML list item (e.g. HTML li).
*/
class HTMLLIAccessible : public HyperTextAccessibleWrap
{
public:
HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// Accessible
virtual void Shutdown() override;
virtual nsIntRect Bounds() const override;
virtual a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
virtual bool InsertChildAt(uint32_t aIndex, Accessible* aChild) override;
// HTMLLIAccessible
HTMLListBulletAccessible* Bullet() const { return mBullet; }
void UpdateBullet(bool aHasBullet);
protected:
virtual ~HTMLLIAccessible() { }
private:
RefPtr<HTMLListBulletAccessible> mBullet;
};
/**
* Used for bullet of HTML list item element (for example, HTML li).
*/
class HTMLListBulletAccessible : public LeafAccessible
{
public:
HTMLListBulletAccessible(nsIContent* aContent, DocAccessible* aDoc);
virtual ~HTMLListBulletAccessible() { }
// Accessible
virtual nsIFrame* GetFrame() const override;
virtual ENameValueFlag Name(nsString& aName) override;
virtual a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0,
uint32_t aLength = UINT32_MAX) override;
// HTMLListBulletAccessible
/**
* Return true if the bullet is inside of list item element boundaries.
*/
bool IsInside() const;
};
inline HTMLLIAccessible*
Accessible::AsHTMLListItem()
{
return IsHTMLListItem() ? static_cast<HTMLLIAccessible*>(this) : nullptr;
}
} // namespace a11y
} // namespace mozilla
#endif
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