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/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "AccessibilityRenderObject.h"
#include "AccessibilityTableCell.h"
#include <wtf/Forward.h>
namespace WebCore {
class HTMLTableElement;
class RenderTableSection;
class AccessibilityTable : public AccessibilityRenderObject {
public:
static Ref<AccessibilityTable> create(RenderObject*);
virtual ~AccessibilityTable();
void init() final;
AccessibilityRole roleValue() const final;
virtual bool isAriaTable() const { return false; }
void addChildren() override;
void clearChildren() final;
void updateChildrenRoles();
AccessibilityChildrenVector columns() override;
AccessibilityChildrenVector rows() override;
unsigned columnCount() override;
unsigned rowCount() override;
int tableLevel() const final;
String title() const final;
// all the cells in the table
AccessibilityChildrenVector cells() override;
AXCoreObject* cellForColumnAndRow(unsigned column, unsigned row) override;
AccessibilityChildrenVector columnHeaders() override;
AccessibilityChildrenVector rowHeaders() override;
AccessibilityChildrenVector visibleRows() override;
// Returns an object that contains, as children, all the objects that act as headers.
AXCoreObject* headerContainer() override;
bool isTable() const override { return true; }
// Returns whether it is exposed as an AccessibilityTable to the platform.
bool isExposable() const override;
void recomputeIsExposable();
int axColumnCount() const override;
int axRowCount() const override;
protected:
explicit AccessibilityTable(RenderObject*);
AccessibilityChildrenVector m_rows;
AccessibilityChildrenVector m_columns;
RefPtr<AccessibilityObject> m_headerContainer;
bool m_isExposable;
bool hasARIARole() const;
// Used in type checking function is<AccessibilityTable>.
bool isAccessibilityTableInstance() const final { return true; }
// isDataTable is whether it is exposed as an AccessibilityTable because the heuristic
// think this "looks" like a data-based table (instead of a table used for layout).
bool isDataTable() const final;
bool computeAccessibilityIsIgnored() const final;
private:
virtual bool computeIsTableExposableThroughAccessibility() const;
void titleElementText(Vector<AccessibilityText>&) const final;
HTMLTableElement* tableElement() const;
void addChildrenFromSection(RenderTableSection*, unsigned& maxColumnCount);
void addTableCellChild(AccessibilityObject*, HashSet<AccessibilityObject*>& appendedRows, unsigned& columnCount);
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityTable, isAccessibilityTableInstance())