From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- accessible/html/HTMLTableAccessible.h | 190 ++++++++++++++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 accessible/html/HTMLTableAccessible.h (limited to 'accessible/html/HTMLTableAccessible.h') diff --git a/accessible/html/HTMLTableAccessible.h b/accessible/html/HTMLTableAccessible.h new file mode 100644 index 0000000000..d738f64aa1 --- /dev/null +++ b/accessible/html/HTMLTableAccessible.h @@ -0,0 +1,190 @@ +/* -*- 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_HTMLTableAccessible_h__ +#define mozilla_a11y_HTMLTableAccessible_h__ + +#include "HyperTextAccessibleWrap.h" + +class nsITableCellLayout; +class nsTableCellFrame; +class nsTableWrapperFrame; + +namespace mozilla { + +namespace a11y { + +class HTMLTableAccessible; + +/** + * HTML table cell accessible (html:td). + */ +class HTMLTableCellAccessible : public HyperTextAccessibleWrap { + public: + HTMLTableCellAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // nsISupports + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableCellAccessible, + HyperTextAccessibleWrap) + + // LocalAccessible + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + virtual uint64_t NativeInteractiveState() const override; + virtual already_AddRefed NativeAttributes() override; + + protected: + virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue, + uint64_t aOldState) override; + // HTMLTableCellAccessible + public: + HTMLTableAccessible* Table() const; + uint32_t ColExtent() const; + uint32_t RowExtent() const; + + static HTMLTableCellAccessible* GetFrom(LocalAccessible* aAcc) { + if (aAcc->IsHTMLTableCell()) { + return static_cast(aAcc); + } + return nullptr; + } + + protected: + virtual ~HTMLTableCellAccessible() {} + + /** + * Return nsITableCellLayout of the table cell frame. + */ + nsITableCellLayout* GetCellLayout() const; + + /** + * Return row and column indices of the cell. + */ + nsresult GetCellIndexes(int32_t& aRowIdx, int32_t& aColIdx) const; +}; + +/** + * HTML table row/column header accessible (html:th or html:td@scope). + */ +class HTMLTableHeaderCellAccessible : public HTMLTableCellAccessible { + public: + HTMLTableHeaderCellAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // LocalAccessible + virtual a11y::role NativeRole() const override; +}; + +/** + * HTML table row accessible (html:tr). + */ +class HTMLTableRowAccessible : public HyperTextAccessibleWrap { + public: + HTMLTableRowAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessibleWrap(aContent, aDoc) { + mType = eHTMLTableRowType; + mGenericTypes |= eTableRow; + } + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableRowAccessible, + HyperTextAccessibleWrap) + + protected: + virtual ~HTMLTableRowAccessible() {} + + // LocalAccessible + virtual ENameValueFlag NativeName(nsString& aName) const override; +}; + +/** + * HTML table accessible (html:table). + */ + +// To turn on table debugging descriptions define SHOW_LAYOUT_HEURISTIC +// This allow release trunk builds to be used by testers to refine the +// data vs. layout heuristic +// #define SHOW_LAYOUT_HEURISTIC + +class HTMLTableAccessible : public HyperTextAccessibleWrap { + public: + HTMLTableAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessibleWrap(aContent, aDoc) { + mType = eHTMLTableType; + mGenericTypes |= eTable; + } + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableAccessible, + HyperTextAccessibleWrap) + + // HTMLTableAccessible + LocalAccessible* Caption() const; + uint32_t ColCount() const; + uint32_t RowCount(); + uint32_t ColExtentAt(uint32_t aRowIdx, uint32_t aColIdx); + uint32_t RowExtentAt(uint32_t aRowIdx, uint32_t aColIdx); + bool IsProbablyLayoutTable(); + + static HTMLTableAccessible* GetFrom(LocalAccessible* aAcc) { + if (aAcc->IsHTMLTable()) { + return static_cast(aAcc); + } + return nullptr; + } + + // LocalAccessible + virtual void Description(nsString& aDescription) const override; + virtual uint64_t NativeState() const override; + virtual already_AddRefed NativeAttributes() override; + virtual Relation RelationByType(RelationType aRelationType) const override; + + virtual bool InsertChildAt(uint32_t aIndex, LocalAccessible* aChild) override; + + protected: + virtual ~HTMLTableAccessible() {} + + // LocalAccessible + virtual ENameValueFlag NativeName(nsString& aName) const override; + + virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue, + uint64_t aOldState) override; + + // HTMLTableAccessible + +#ifdef SHOW_LAYOUT_HEURISTIC + nsString mLayoutHeuristic; +#endif + + private: + /** + * Get table wrapper frame, or return null if there is no inner table. + */ + nsTableWrapperFrame* GetTableWrapperFrame() const; +}; + +/** + * HTML caption accessible (html:caption). + */ +class HTMLCaptionAccessible : public HyperTextAccessibleWrap { + public: + HTMLCaptionAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessibleWrap(aContent, aDoc) { + mType = eHTMLCaptionType; + } + + // LocalAccessible + virtual a11y::role NativeRole() const override; + virtual Relation RelationByType(RelationType aRelationType) const override; + + protected: + virtual ~HTMLCaptionAccessible() {} +}; + +} // namespace a11y +} // namespace mozilla + +#endif -- cgit v1.2.3