gecko-dev/accessible/xul/XULListboxAccessible.h

141 строка
4.3 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 "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 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