gecko-dev/accessible/xul/XULListboxAccessible.h
2014-10-21 20:49:28 -04:00

177 lines
4.9 KiB
C++

/* -*- 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"
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() MOZ_OVERRIDE;
virtual uint64_t NativeState() MOZ_OVERRIDE;
};
/**
* XULColumnItemAccessible are accessibles for list and tree column elements
* (xul:listcol and xul:treecol).
*/
class XULColumnItemAccessible : public LeafAccessible
{
public:
XULColumnItemAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual a11y::role NativeRole() MOZ_OVERRIDE;
virtual uint64_t NativeState() MOZ_OVERRIDE;
// ActionAccessible
virtual uint8_t ActionCount() MOZ_OVERRIDE;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) MOZ_OVERRIDE;
virtual bool DoAction(uint8_t aIndex) MOZ_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();
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 Value(nsString& aValue);
virtual TableAccessible* AsTable() { return this; }
virtual a11y::role NativeRole() MOZ_OVERRIDE;
virtual uint64_t NativeState() MOZ_OVERRIDE;
// Widgets
virtual bool IsWidget() const;
virtual bool IsActiveWidget() const;
virtual bool AreItemsOperable() const;
virtual Accessible* ContainerWidget() const;
protected:
virtual ~XULListboxAccessible() {}
bool IsMulticolumn() { return ColCount() > 1; }
};
/**
* Listitems -- used in listboxes
*/
class XULListitemAccessible : public XULMenuitemAccessible
{
public:
enum { eAction_Click = 0 };
NS_DECL_ISUPPORTS_INHERITED
XULListitemAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual void Description(nsString& aDesc);
virtual a11y::role NativeRole() MOZ_OVERRIDE;
virtual uint64_t NativeState() MOZ_OVERRIDE;
virtual uint64_t NativeInteractiveState() const MOZ_OVERRIDE;
virtual bool CanHaveAnonChildren();
// Actions
virtual void ActionNameAt(uint8_t index, nsAString& aName) MOZ_OVERRIDE;
// Widgets
virtual Accessible* ContainerWidget() const;
protected:
virtual ~XULListitemAccessible();
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
// XULListitemAccessible
/**
* Return listbox accessible for the listitem.
*/
Accessible* GetListAccessible() const;
private:
bool mIsCheckbox;
};
/**
* Class represents xul:listcell.
*/
class XULListCellAccessible : public HyperTextAccessibleWrap,
public TableCellAccessible
{
public:
XULListCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// Accessible
virtual TableCellAccessible* AsTableCell() { return this; }
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
virtual a11y::role NativeRole() MOZ_OVERRIDE;
// 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;
protected:
virtual ~XULListCellAccessible() {}
};
} // namespace a11y
} // namespace mozilla
#endif