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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_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<AccAttributes> 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<HTMLTableCellAccessible*>(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<HTMLTableAccessible*>(aAcc);
+ }
+ return nullptr;
+ }
+
+ // LocalAccessible
+ virtual void Description(nsString& aDescription) const override;
+ virtual uint64_t NativeState() const override;
+ virtual already_AddRefed<AccAttributes> 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