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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /accessible/html/HTMLListAccessible.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/html/HTMLListAccessible.h')
-rw-r--r-- | accessible/html/HTMLListAccessible.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/accessible/html/HTMLListAccessible.h b/accessible/html/HTMLListAccessible.h new file mode 100644 index 000000000..ad4a2d425 --- /dev/null +++ b/accessible/html/HTMLListAccessible.h @@ -0,0 +1,105 @@ +/* -*- 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 "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 |