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 /* -*- 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 "nsIAccessibleTable.h"

 #include "TableAccessible.h"

 #include "TableCellAccessible.h"

 #include "xpcAccessibleTable.h"

 #include "xpcAccessibleTableCell.h"

 #include "XULMenuAccessible.h"

 #include "XULSelectControlAccessible.h"

 class nsIWeakReference;

 namespace mozilla {

 namespace a11y {

 /**

  * XULColumAccessible are accessible for list and tree columns elements

  * (xul:treecols and xul:listcols).

  */

 class XULColumAccessible : public AccessibleWrap

 {

 public:

   XULColumAccessible(nsIContent* aContent, DocAccessible* aDoc);

   // Accessible

   virtual a11y::role NativeRole();

   virtual uint64_t NativeState();

 };

 /**

  * XULColumnItemAccessible are accessibles for list and tree column elements

  * (xul:listcol and xul:treecol).

  */

 class XULColumnItemAccessible : public LeafAccessible

 {

 public:

   XULColumnItemAccessible(nsIContent* aContent, DocAccessible* aDoc);

   // nsIAccessible

   NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);

   NS_IMETHOD DoAction(uint8_t aIndex);

   // Accessible

   virtual a11y::role NativeRole();

   virtual uint64_t NativeState();

   // ActionAccessible

   virtual uint8_t ActionCount();

   enum { eAction_Click = 0 };

 };

 /*

  * A class the represents the XUL Listbox widget.

  */

 class XULListboxAccessible : public XULSelectControlAccessible,

                              public xpcAccessibleTable,

                              public nsIAccessibleTable,

                              public TableAccessible

 {

 public:

   XULListboxAccessible(nsIContent* aContent, DocAccessible* aDoc);

   virtual ~XULListboxAccessible() {}

   NS_DECL_ISUPPORTS_INHERITED

   // nsIAccessibleTable

   NS_FORWARD_NSIACCESSIBLETABLE(xpcAccessibleTable::)

   // TableAccessible

   virtual uint32_t ColCount();

   virtual uint32_t RowCount();

   virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex);

   virtual bool IsColSelected(uint32_t aColIdx);

   virtual bool IsRowSelected(uint32_t aRowIdx);

   virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx);

   virtual uint32_t SelectedCellCount();

   virtual uint32_t SelectedColCount();

   virtual uint32_t SelectedRowCount();

   virtual void SelectedCells(nsTArray<Accessible*>* aCells);

   virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells);

   virtual void SelectedColIndices(nsTArray<uint32_t>* aCols);

   virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows);

   virtual void SelectRow(uint32_t aRowIdx);

   virtual void UnselectRow(uint32_t aRowIdx);

   virtual Accessible* AsAccessible() { return this; }

   // Accessible

   virtual void Shutdown();

   virtual void Value(nsString& aValue);

   virtual TableAccessible* AsTable() { return this; }

   virtual a11y::role NativeRole();

   virtual uint64_t NativeState();

   // Widgets

   virtual bool IsWidget() const;

   virtual bool IsActiveWidget() const;

   virtual bool AreItemsOperable() const;

   virtual Accessible* ContainerWidget() const;

 protected:

   bool IsMulticolumn();

 };

 /**

   * Listitems -- used in listboxes

   */

 class XULListitemAccessible : public XULMenuitemAccessible

 {

 public:

   enum { eAction_Click = 0 };

   NS_DECL_ISUPPORTS_INHERITED

   XULListitemAccessible(nsIContent* aContent, DocAccessible* aDoc);

   virtual ~XULListitemAccessible() {}

   // nsIAccessible

   NS_IMETHOD GetActionName(uint8_t index, nsAString& aName);

   // Don't use XUL menuitems's description attribute

   // Accessible

   virtual void Description(nsString& aDesc);

   virtual a11y::role NativeRole();

   virtual uint64_t NativeState();

   virtual uint64_t NativeInteractiveState() const;

   virtual bool CanHaveAnonChildren();

   // Widgets

   virtual Accessible* ContainerWidget() const;

 protected:

   // Accessible

   virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;

   // XULListitemAccessible

   /**

    * Return listbox accessible for the listitem.

    */

   Accessible* GetListAccessible();

 private:

   bool mIsCheckbox;

 };

 /**

  * Class represents xul:listcell.

  */

 class XULListCellAccessible : public HyperTextAccessibleWrap,

                               public nsIAccessibleTableCell,

                               public TableCellAccessible,

                               public xpcAccessibleTableCell

 {

 public:

   XULListCellAccessible(nsIContent* aContent, DocAccessible* aDoc);

   // nsISupports

   NS_DECL_ISUPPORTS_INHERITED

   // nsIAccessibleTableCell

   NS_FORWARD_NSIACCESSIBLETABLECELL(xpcAccessibleTableCell::)

   // Accessible

   virtual TableCellAccessible* AsTableCell() { return this; }

   virtual void Shutdown();

   virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;

   virtual a11y::role NativeRole();

   // TableCellAccessible

   virtual TableAccessible* Table() const MOZ_OVERRIDE;

   virtual uint32_t ColIdx() const MOZ_OVERRIDE;

   virtual uint32_t RowIdx() const MOZ_OVERRIDE;

   virtual void ColHeaderCells(nsTArray<Accessible*>* aHeaderCells) MOZ_OVERRIDE;

   virtual bool Selected() MOZ_OVERRIDE;

 };

 } // namespace a11y

 } // namespace mozilla

 #endif