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107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __NS_ACCESSIBLE_WRAP_H__
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#define __NS_ACCESSIBLE_WRAP_H__
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#include "nsCOMPtr.h"
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#include "Accessible.h"
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struct _AtkObject;
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typedef struct _AtkObject AtkObject;
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enum AtkProperty {
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PROP_0, // gobject convention
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PROP_NAME,
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PROP_DESCRIPTION,
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PROP_PARENT, // ancestry has changed
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PROP_ROLE,
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PROP_LAYER,
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PROP_MDI_ZORDER,
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PROP_TABLE_CAPTION,
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PROP_TABLE_COLUMN_DESCRIPTION,
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PROP_TABLE_COLUMN_HEADER,
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PROP_TABLE_ROW_DESCRIPTION,
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PROP_TABLE_ROW_HEADER,
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PROP_TABLE_SUMMARY,
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PROP_LAST // gobject convention
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};
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struct AtkPropertyChange {
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int32_t type; // property type as listed above
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void *oldvalue;
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void *newvalue;
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};
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namespace mozilla {
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namespace a11y {
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class MaiHyperlink;
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/**
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* AccessibleWrap, and its descendents in atk directory provide the
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* implementation of AtkObject.
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*/
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class AccessibleWrap : public Accessible
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{
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public:
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AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc);
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virtual ~AccessibleWrap();
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void ShutdownAtkObject();
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virtual void Shutdown() MOZ_OVERRIDE;
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// return the atk object for this AccessibleWrap
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virtual void GetNativeInterface(void** aOutAccessible) MOZ_OVERRIDE;
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virtual nsresult HandleAccEvent(AccEvent* aEvent) MOZ_OVERRIDE;
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AtkObject * GetAtkObject(void);
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static AtkObject* GetAtkObject(Accessible* aAccessible);
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bool IsValidObject();
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// get/set the MaiHyperlink object for this AccessibleWrap
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MaiHyperlink* GetMaiHyperlink(bool aCreate = true);
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void SetMaiHyperlink(MaiHyperlink* aMaiHyperlink);
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static const char * ReturnString(nsAString &aString) {
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static nsCString returnedString;
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returnedString = NS_ConvertUTF16toUTF8(aString);
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return returnedString.get();
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}
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protected:
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nsresult FireAtkStateChangeEvent(AccEvent* aEvent, AtkObject *aObject);
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nsresult FireAtkTextChangedEvent(AccEvent* aEvent, AtkObject *aObject);
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nsresult FireAtkShowHideEvent(AccEvent* aEvent, AtkObject *aObject,
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bool aIsAdded);
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AtkObject *mAtkObject;
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private:
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/*
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* do we have text-remove and text-insert signals if not we need to use
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* text-changed see AccessibleWrap::FireAtkTextChangedEvent() and
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* bug 619002
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*/
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enum EAvailableAtkSignals {
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eUnknown,
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eHaveNewAtkTextSignals,
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eNoNewAtkSignals
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};
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static EAvailableAtkSignals gAvailableAtkSignals;
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uint16_t CreateMaiInterfaces();
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};
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} // namespace a11y
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} // namespace mozilla
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#endif /* __NS_ACCESSIBLE_WRAP_H__ */
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