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Diffstat (limited to 'accessible/html/HTMLListAccessible.h')
-rw-r--r-- | accessible/html/HTMLListAccessible.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/accessible/html/HTMLListAccessible.h b/accessible/html/HTMLListAccessible.h new file mode 100644 index 0000000000..ac48ad2380 --- /dev/null +++ b/accessible/html/HTMLListAccessible.h @@ -0,0 +1,85 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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 "HyperTextAccessible.h" + +namespace mozilla { +namespace a11y { + +class HTMLListBulletAccessible; + +/** + * Used for HTML list (like HTML ul). + */ +class HTMLListAccessible : public HyperTextAccessible { + public: + HTMLListAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessible(aContent, aDoc) { + mGenericTypes |= eList; + } + + // nsISupports + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLListAccessible, HyperTextAccessible) + + // LocalAccessible + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + + protected: + virtual ~HTMLListAccessible() {} +}; + +/** + * Used for HTML list item (e.g. HTML li). + */ +class HTMLLIAccessible : public HyperTextAccessible { + public: + HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // nsISupports + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLIAccessible, HyperTextAccessible) + + // LocalAccessible + virtual nsRect BoundsInAppUnits() const override; + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + + // HTMLLIAccessible + LocalAccessible* Bullet() const; + + protected: + virtual ~HTMLLIAccessible() {} +}; + +/** + * Used for bullet of HTML list item element (for example, HTML li). + */ +class HTMLListBulletAccessible : public LeafAccessible { + public: + HTMLListBulletAccessible(nsIContent* aContent, DocAccessible* aDoc); + virtual ~HTMLListBulletAccessible() {} + + // LocalAccessible + virtual ENameValueFlag Name(nsString& aName) const override; + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + virtual already_AddRefed<AccAttributes> NativeAttributes() override; + virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0, + uint32_t aLength = UINT32_MAX) override; +}; + +inline HTMLLIAccessible* LocalAccessible::AsHTMLListItem() { + return IsHTMLListItem() ? static_cast<HTMLLIAccessible*>(this) : nullptr; +} + +} // namespace a11y +} // namespace mozilla + +#endif |