/* -*- 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 "AccessibleOrProxy.h" #include "AccessibleWrap.h" namespace mozilla { namespace a11y { class ProxyAccessible; } } #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(); extern "C" GType mai_atk_socket_get_type(void); /* MaiAtkSocket */ #define MAI_TYPE_ATK_SOCKET (mai_atk_socket_get_type ()) #define MAI_ATK_SOCKET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),\ MAI_TYPE_ATK_SOCKET, MaiAtkSocket)) #define MAI_IS_ATK_SOCKET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),\ MAI_TYPE_ATK_SOCKET)) #define MAI_ATK_SOCKET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass),\ MAI_TYPE_ATK_SOCKET,\ MaiAtkSocketClass)) #define MAI_IS_ATK_SOCKET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),\ MAI_TYPE_ATK_SOCKET)) #define MAI_ATK_SOCKET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\ MAI_TYPE_ATK_SOCKET,\ MaiAtkSocketClass)) typedef struct _MaiAtkSocket { AtkSocket parent; mozilla::a11y::AccessibleWrap* accWrap; } MaiAtkSocket; typedef struct _MaiAtkSocketClass { AtkSocketClass parent_class; } MaiAtkSocketClass; // 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::ProxyAccessible* GetProxy(AtkObject* aAtkObj); mozilla::a11y::AccessibleOrProxy GetInternalObj(AtkObject* aObj); AtkObject* GetWrapperFor(mozilla::a11y::ProxyAccessible* aProxy); AtkObject* GetWrapperFor(mozilla::a11y::AccessibleOrProxy aObj); extern int atkMajorVersion, atkMinorVersion; /** * Return true if the loaded version of libatk-1.0.so is at least * aMajor.aMinor.0. */ static inline bool IsAtkVersionAtLeast(int aMajor, int aMinor) { return aMajor < atkMajorVersion || (aMajor == atkMajorVersion && aMinor <= atkMinorVersion); } // This is or'd with the pointer in MaiAtkObject::accWrap if the wrap-ee is a // proxy. static const uintptr_t IS_PROXY = 1; /** * 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::AccessibleOrProxy accWrap; /* * 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 nsString& 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__ */