gecko-dev/accessible/xpcom/xpcAccessibleGeneric.h

101 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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_xpcAccessibleGeneric_h_
#define mozilla_a11y_xpcAccessibleGeneric_h_
#include "xpcAccessible.h"
#include "xpcAccessibleHyperLink.h"
#include "xpcAccessibleSelectable.h"
#include "xpcAccessibleValue.h"
#include "Accessible.h"
namespace mozilla {
namespace a11y {
/**
* XPCOM wrapper around Accessible class.
*/
class xpcAccessibleGeneric : public xpcAccessible,
public xpcAccessibleHyperLink,
public xpcAccessibleSelectable,
public xpcAccessibleValue
{
public:
explicit xpcAccessibleGeneric(Accessible* aInternal) :
mIntl(aInternal), mSupportedIfaces(0)
{
if (mIntl->IsSelect())
mSupportedIfaces |= eSelectable;
if (mIntl->HasNumericValue())
mSupportedIfaces |= eValue;
if (mIntl->IsLink())
mSupportedIfaces |= eHyperLink;
}
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(xpcAccessibleGeneric, nsIAccessible)
// nsIAccessible
virtual Accessible* ToInternalAccessible() const MOZ_FINAL;
// xpcAccessibleGeneric
virtual void Shutdown();
protected:
virtual ~xpcAccessibleGeneric() {}
Accessible* mIntl;
enum {
eSelectable = 1 << 0,
eValue = 1 << 1,
eHyperLink = 1 << 2,
eText = 1 << 3
};
uint8_t mSupportedIfaces;
private:
friend class Accessible;
friend class xpcAccessible;
friend class xpcAccessibleHyperLink;
friend class xpcAccessibleSelectable;
friend class xpcAccessibleValue;
xpcAccessibleGeneric(const xpcAccessibleGeneric&) MOZ_DELETE;
xpcAccessibleGeneric& operator =(const xpcAccessibleGeneric&) MOZ_DELETE;
};
inline Accessible*
xpcAccessible::Intl()
{
return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
}
inline Accessible*
xpcAccessibleHyperLink::Intl()
{
return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
}
inline Accessible*
xpcAccessibleSelectable::Intl()
{
return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
}
inline Accessible*
xpcAccessibleValue::Intl()
{
return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
}
} // namespace a11y
} // namespace mozilla
#endif