зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.4 KiB
C++
80 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 _nsIAccessibilityService_h_
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#define _nsIAccessibilityService_h_
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#include "nsIAccessibleRetrieval.h"
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#include "nsIAccessibleEvent.h"
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namespace mozilla {
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namespace a11y {
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class Accessible;
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} // namespace a11y
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} // namespace mozilla
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class nsIPresShell;
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// 0e7e6879-854b-4260-bc6e-525b5fb5cf34
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#define NS_IACCESSIBILITYSERVICE_IID \
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{ 0x0e7e6879, 0x854b, 0x4260, \
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{ 0xbc, 0x6e, 0x52, 0x5b, 0x5f, 0xb5, 0xcf, 0x34 } }
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class nsIAccessibilityService : public nsIAccessibleRetrieval
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IACCESSIBILITYSERVICE_IID)
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/**
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* Return root document accessible that is or contains a document accessible
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* for the given presshell.
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*
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* @param aPresShell [in] the presshell
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* @param aCanCreate [in] points whether the root document accessible
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* should be returned from the cache or can be created
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*/
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virtual mozilla::a11y::Accessible*
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GetRootDocumentAccessible(nsIPresShell* aPresShell, bool aCanCreate) = 0;
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/**
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* Adds/remove ATK root accessible for gtk+ native window to/from children
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* of the application accessible.
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*/
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virtual mozilla::a11y::Accessible*
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AddNativeRootAccessible(void* aAtkAccessible) = 0;
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virtual void
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RemoveNativeRootAccessible(mozilla::a11y::Accessible* aRootAccessible) = 0;
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/**
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* Fire accessible event of the given type for the given target.
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*
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* @param aEvent [in] accessible event type
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* @param aTarget [in] target of accessible event
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*/
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virtual void FireAccessibleEvent(uint32_t aEvent,
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mozilla::a11y::Accessible* aTarget) = 0;
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/**
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* Return true if the given DOM node has accessible object.
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*/
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virtual bool HasAccessible(nsIDOMNode* aDOMNode) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIAccessibilityService,
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NS_IACCESSIBILITYSERVICE_IID)
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// for component registration
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// {DE401C37-9A7F-4278-A6F8-3DE2833989EF}
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#define NS_ACCESSIBILITY_SERVICE_CID \
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{ 0xde401c37, 0x9a7f, 0x4278, { 0xa6, 0xf8, 0x3d, 0xe2, 0x83, 0x39, 0x89, 0xef } }
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extern nsresult
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NS_GetAccessibilityService(nsIAccessibilityService** aResult);
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#endif
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