Add m-esr52 at 52.6.0

1 files changed, 226 insertions, 0 deletions

diff --git a/accessible/html/HTMLTableAccessible.h b/accessible/html/HTMLTableAccessible.h
new file mode 100644
index 000000000..830d34ae9
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+++ b/accessible/html/HTMLTableAccessible.h
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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