/* -*- Mode: C++; tab-width: 4; 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_XULListboxAccessible_h__

#define mozilla_a11y_XULListboxAccessible_h__

#include "BaseAccessibles.h"

#include "TableAccessible.h"

#include "TableCellAccessible.h"

#include "xpcAccessibleTable.h"

#include "xpcAccessibleTableCell.h"

#include "XULMenuAccessible.h"

#include "XULSelectControlAccessible.h"

namespace mozilla {

namespace a11y {

/**

 * XULColumAccessible are accessible for list and tree columns elements

 * (xul:treecols and xul:listheader).

 */

class XULColumAccessible : public AccessibleWrap

{

public:

  XULColumAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // Accessible

  virtual a11y::role NativeRole() const override;

  virtual uint64_t NativeState() const override;

};

/**

 * XULColumnItemAccessible are accessibles for list and tree column elements

 * (xul:treecol).

 */

class XULColumnItemAccessible : public LeafAccessible

{

public:

  XULColumnItemAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // Accessible

  virtual a11y::role NativeRole() const override;

  virtual uint64_t NativeState() const override;

  // ActionAccessible

  virtual uint8_t ActionCount() const override;

  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;

  virtual bool DoAction(uint8_t aIndex) const override;

  enum { eAction_Click = 0 };

};

/*

 * A class the represents the XUL Listbox widget.

 */

class XULListboxAccessible : public XULSelectControlAccessible,

                             public TableAccessible

{

public:

  XULListboxAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // TableAccessible

  virtual uint32_t ColCount() const override;

  virtual uint32_t RowCount() override;

  virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex) 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 SelectRow(uint32_t aRowIdx) override;

  virtual void UnselectRow(uint32_t aRowIdx) override;

  virtual Accessible* AsAccessible() override { return this; }

  // Accessible

  virtual void Value(nsString& aValue) const override;

  virtual TableAccessible* AsTable() override { return this; }

  virtual a11y::role NativeRole() const override;

  virtual uint64_t NativeState() const override;

  // Widgets

  virtual bool IsWidget() const override;

  virtual bool IsActiveWidget() const override;

  virtual bool AreItemsOperable() const override;

  virtual Accessible* ContainerWidget() const override;

protected:

  virtual ~XULListboxAccessible() {}

  bool IsMulticolumn() const { return ColCount() > 1; }

};

/**

  * Listitems -- used in listboxes

  */

class XULListitemAccessible : public XULMenuitemAccessible

{

public:

  enum { eAction_Click = 0 };

  NS_INLINE_DECL_REFCOUNTING_INHERITED(XULListitemAccessible,

                                       XULMenuitemAccessible)

  XULListitemAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // Accessible

  virtual void Description(nsString& aDesc) override;

  virtual a11y::role NativeRole() const override;

  virtual uint64_t NativeState() const override;

  virtual uint64_t NativeInteractiveState() const override;

  // Actions

  virtual void ActionNameAt(uint8_t index, nsAString& aName) override;

  // Widgets

  virtual Accessible* ContainerWidget() const override;

protected:

  virtual ~XULListitemAccessible();

  // Accessible

  virtual ENameValueFlag NativeName(nsString& aName) const override;

  // XULListitemAccessible

  /**

   * Return listbox accessible for the listitem.

   */

  Accessible* GetListAccessible() const;

private:

  bool mIsCheckbox;

};

} // namespace a11y

} // namespace mozilla

#endif