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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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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"
+#include "TableAccessible.h"
+#include "TableCellAccessible.h"
+
+class nsITableCellLayout;
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * HTML table cell accessible (html:td).
+ */
+class HTMLTableCellAccessible : public HyperTextAccessibleWrap,
+ public TableCellAccessible
+{
+public:
+ HTMLTableCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+ // nsISupports
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // Accessible
+ virtual TableCellAccessible* AsTableCell() override { return this; }
+ virtual a11y::role NativeRole() override;
+ virtual uint64_t NativeState() override;
+ virtual uint64_t NativeInteractiveState() const override;
+ virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
+ virtual mozilla::a11y::GroupPos GroupPosition() override;
+
+ // TableCellAccessible
+ virtual TableAccessible* Table() const override;
+ virtual uint32_t ColIdx() const override;
+ virtual uint32_t RowIdx() const override;
+ virtual uint32_t ColExtent() const override;
+ virtual uint32_t RowExtent() const override;
+ virtual void ColHeaderCells(nsTArray<Accessible*>* aCells) override;
+ virtual void RowHeaderCells(nsTArray<Accessible*>* aCells) override;
+ virtual bool Selected() override;
+
+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);
+
+ // Accessible
+ virtual a11y::role NativeRole() override;
+};
+
+
+/**
+ * HTML table row accessible (html:tr).
+ */
+class HTMLTableRowAccessible : public AccessibleWrap
+{
+public:
+ HTMLTableRowAccessible(nsIContent* aContent, DocAccessible* aDoc) :
+ AccessibleWrap(aContent, aDoc)
+ {
+ mType = eHTMLTableRowType;
+ mGenericTypes |= eTableRow;
+ }
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // Accessible
+ virtual a11y::role NativeRole() override;
+ virtual mozilla::a11y::GroupPos GroupPosition() override;
+
+protected:
+ virtual ~HTMLTableRowAccessible() { }
+};
+
+
+/**
+ * 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 AccessibleWrap,
+ public TableAccessible
+{
+public:
+ HTMLTableAccessible(nsIContent* aContent, DocAccessible* aDoc) :
+ AccessibleWrap(aContent, aDoc)
+ {
+ mType = eHTMLTableType;
+ mGenericTypes |= eTable;
+ }
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // TableAccessible
+ virtual Accessible* Caption() const override;
+ virtual void Summary(nsString& aSummary) override;
+ virtual uint32_t ColCount() override;
+ virtual uint32_t RowCount() override;
+ virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex) override;
+ virtual int32_t CellIndexAt(uint32_t aRowIdx, uint32_t aColIdx) override;
+ virtual int32_t ColIndexAt(uint32_t aCellIdx) override;
+ virtual int32_t RowIndexAt(uint32_t aCellIdx) override;
+ virtual void RowAndColIndicesAt(uint32_t aCellIdx, int32_t* aRowIdx,
+ int32_t* aColIdx) override;
+ virtual uint32_t ColExtentAt(uint32_t aRowIdx, uint32_t aColIdx) override;
+ virtual uint32_t RowExtentAt(uint32_t aRowIdx, uint32_t aColIdx) override;
+ virtual bool IsColSelected(uint32_t aColIdx) override;
+ virtual bool IsRowSelected(uint32_t aRowIdx) override;
+ virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx) override;
+ virtual uint32_t SelectedCellCount() override;
+ virtual uint32_t SelectedColCount() override;
+ virtual uint32_t SelectedRowCount() override;
+ virtual void SelectedCells(nsTArray<Accessible*>* aCells) override;
+ virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells) override;
+ virtual void SelectedColIndices(nsTArray<uint32_t>* aCols) override;
+ virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows) override;
+ virtual void SelectCol(uint32_t aColIdx) override;
+ virtual void SelectRow(uint32_t aRowIdx) override;
+ virtual void UnselectCol(uint32_t aColIdx) override;
+ virtual void UnselectRow(uint32_t aRowIdx) override;
+ virtual bool IsProbablyLayoutTable() override;
+ virtual Accessible* AsAccessible() override { return this; }
+
+ // Accessible
+ virtual TableAccessible* AsTable() override { return this; }
+ virtual void Description(nsString& aDescription) override;
+ virtual a11y::role NativeRole() override;
+ virtual uint64_t NativeState() override;
+ virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
+ virtual Relation RelationByType(RelationType aRelationType) override;
+
+ virtual bool InsertChildAt(uint32_t aIndex, Accessible* aChild) override;
+
+protected:
+ virtual ~HTMLTableAccessible() {}
+
+ // Accessible
+ virtual ENameValueFlag NativeName(nsString& aName) override;
+
+ // HTMLTableAccessible
+
+ /**
+ * Add row or column to selection.
+ *
+ * @param aIndex [in] index of row or column to be selected
+ * @param aTarget [in] indicates what should be selected, either row or column
+ * (see nsISelectionPrivate)
+ */
+ nsresult AddRowOrColumnToSelection(int32_t aIndex, uint32_t aTarget);
+
+ /**
+ * Removes rows or columns at the given index or outside it from selection.
+ *
+ * @param aIndex [in] row or column index
+ * @param aTarget [in] indicates whether row or column should unselected
+ * @param aIsOuter [in] indicates whether all rows or column excepting
+ * the given one should be unselected or the given one
+ * should be unselected only
+ */
+ nsresult RemoveRowsOrColumnsFromSelection(int32_t aIndex,
+ uint32_t aTarget,
+ bool aIsOuter);
+
+ /**
+ * Return true if table has an element with the given tag name.
+ *
+ * @param aTagName [in] tag name of searched element
+ * @param aAllowEmpty [in, optional] points if found element can be empty
+ * or contain whitespace text only.
+ */
+ bool HasDescendant(const nsAString& aTagName, bool aAllowEmpty = true);
+
+#ifdef SHOW_LAYOUT_HEURISTIC
+ nsString mLayoutHeuristic;
+#endif
+};
+
+/**
+ * HTML caption accessible (html:caption).
+ */
+class HTMLCaptionAccessible : public HyperTextAccessibleWrap
+{
+public:
+ HTMLCaptionAccessible(nsIContent* aContent, DocAccessible* aDoc) :
+ HyperTextAccessibleWrap(aContent, aDoc) { mType = eHTMLCaptionType; }
+
+ // Accessible
+ virtual a11y::role NativeRole() override;
+ virtual Relation RelationByType(RelationType aRelationType) override;
+
+protected:
+ virtual ~HTMLCaptionAccessible() { }
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif