/* -*- 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 __NS_MAI_H__
#define __NS_MAI_H__
#include <atk/atk.h>
#include <glib.h>
#include <glib-object.h>
#include "AccessibleWrap.h"
namespace mozilla {
namespace a11y {
class RemoteAccessible;
class Accessible;
}
// namespace a11y
}
// namespace mozilla
#define MAI_TYPE_ATK_OBJECT (mai_atk_object_get_type())
#define MAI_ATK_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), MAI_TYPE_ATK_OBJECT, MaiAtkObject))
#define MAI_ATK_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), MAI_TYPE_ATK_OBJECT, MaiAtkObjectClass))
#define IS_MAI_OBJECT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), MAI_TYPE_ATK_OBJECT))
#define IS_MAI_OBJECT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), MAI_TYPE_ATK_OBJECT))
#define MAI_ATK_OBJECT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), MAI_TYPE_ATK_OBJECT, MaiAtkObjectClass))
GType mai_atk_object_get_type(
void);
GType mai_util_get_type();
// This is a pointer to the atk_table_cell_get_type function if we are using
// a version of atk that defines that.
extern "C" GType (*gAtkTableCellGetTypeFunc)();
mozilla::a11y::AccessibleWrap* GetAccessibleWrap(AtkObject* aAtkObj);
mozilla::a11y::RemoteAccessible* GetProxy(AtkObject* aAtkObj);
mozilla::a11y::Accessible* GetInternalObj(AtkObject* aObj);
AtkObject* GetWrapperFor(mozilla::a11y::Accessible* acc);
extern int atkMajorVersion, atkMinorVersion, atkMicroVersion;
/**
* Return true if the loaded version of libatk-1.0.so is at least
* aMajor.aMinor.aMicro.
*/
static inline bool IsAtkVersionAtLeast(
int aMajor,
int aMinor,
int aMicro = 0) {
return aMajor < atkMajorVersion ||
(aMajor == atkMajorVersion &&
(aMinor < atkMinorVersion ||
(aMinor == atkMinorVersion && aMicro <= atkMicroVersion)));
}
/**
* This MaiAtkObject is a thin wrapper, in the MAI namespace, for AtkObject
*/
struct MaiAtkObject {
AtkObject parent;
/*
* The AccessibleWrap whose properties and features are exported
* via this object instance.
*/
mozilla::a11y::Accessible* acc;
/*
* Get the AtkHyperlink for this atk object.
*/
AtkHyperlink* GetAtkHyperlink();
/*
* Shutdown this AtkObject.
*/
void Shutdown();
/*
* Notify atk of a state change on this AtkObject.
*/
void FireStateChangeEvent(uint64_t aState,
bool aEnabled);
/*
* Notify ATK of a text change within this ATK object.
*/
void FireTextChangeEvent(
const nsAString& aStr, int32_t aStart, uint32_t aLen,
bool aIsInsert,
bool aIsFromUser);
/**
* Notify ATK of a shown or hidden subtree rooted at aObject whose parent is
* aParent
*/
void FireAtkShowHideEvent(AtkObject* aParent,
bool aIsAdded,
bool aFromUser);
private:
/*
* do we have text-remove and text-insert signals if not we need to use
* text-changed see AccessibleWrap::FireAtkTextChangedEvent() and
* bug 619002
*/
enum EAvailableAtkSignals {
eUnknown,
eHaveNewAtkTextSignals,
eNoNewAtkSignals
};
static EAvailableAtkSignals gAvailableAtkSignals;
};
#endif /* __NS_MAI_H__ */
