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109 lines
3.5 KiB
C++
109 lines
3.5 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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#include "nsAutoPtr.h"
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class nsAccessible;
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class nsINode;
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class nsIContent;
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class nsIDocument;
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class nsIFrame;
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class nsIPresShell;
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class nsObjectFrame;
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// 10ff6dca-b219-4b64-9a4c-67a62b86edce
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#define NS_IACCESSIBILITYSERVICE_IID \
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{ 0x10ff6dca, 0xb219, 0x4b64, \
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{ 0x9a, 0x4c, 0x67, 0xa6, 0x2b, 0x86, 0xed, 0xce } }
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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 an accessible object for a DOM node in the given pres shell.
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*
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* @param aNode [in] the DOM node to get an accessible for
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* @param aPresShell [in] the presentation shell which contains layout info
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* for the DOM node
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*/
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virtual nsAccessible* GetAccessible(nsINode* aNode,
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nsIPresShell* aPresShell) = 0;
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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 nsAccessible* GetRootDocumentAccessible(nsIPresShell* aPresShell,
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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 nsAccessible* AddNativeRootAccessible(void* aAtkAccessible) = 0;
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virtual void RemoveNativeRootAccessible(nsAccessible* aRootAccessible) = 0;
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/**
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* Notification used to update the accessible tree when new content is
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* inserted.
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*/
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virtual void ContentRangeInserted(nsIPresShell* aPresShell,
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nsIContent* aContainer,
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nsIContent* aStartChild,
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nsIContent* aEndChild) = 0;
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/**
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* Notification used to update the accessible tree when content is removed.
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*/
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virtual void ContentRemoved(nsIPresShell* aPresShell, nsIContent* aContainer,
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nsIContent* aChild) = 0;
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/**
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* Notify accessibility that anchor jump has been accomplished to the given
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* target. Used by layout.
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*/
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virtual void NotifyOfAnchorJumpTo(nsIContent *aTarget) = 0;
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/**
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* Notify the accessibility service that the given presshell is
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* being destroyed.
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*/
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virtual void PresShellDestroyed(nsIPresShell *aPresShell) = 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(PRUint32 aEvent, nsAccessible* aTarget) = 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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