зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.7 KiB
Plaintext
120 строки
3.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#include "nsISupports.idl"
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interface nsIAccessible;
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interface nsIWeakReference;
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interface nsIAccessiblePivot;
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interface nsIAccessibleTextLeafPoint;
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webidl Node;
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/**
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* An interface for in-process accessibility clients wishing to get an
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* nsIAccessible for a given DOM node. More documentation at:
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* http://www.mozilla.org/projects/ui/accessibility
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*/
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[scriptable, builtinclass, uuid(2188e3a0-c88e-11e7-8f1a-0800200c9a66)]
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interface nsIAccessibilityService : nsISupports
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{
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/**
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* Return application accessible.
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*/
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nsIAccessible getApplicationAccessible();
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/**
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* Return an nsIAccessible for a DOM node in pres shell 0.
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* Create a new accessible of the appropriate type if necessary,
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* or use one from the accessibility cache if it already exists.
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* @param aNode The DOM node to get an accessible for.
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* @return The nsIAccessible for the given DOM node.
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*/
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nsIAccessible getAccessibleFor(in Node aNode);
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nsIAccessible getAccessibleDescendantFor(in Node aNode);
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/**
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* Returns accessible role as a string.
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*
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* @param aRole - the accessible role constants.
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*/
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AString getStringRole(in unsigned long aRole);
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/**
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* Returns list which contains accessible states as a strings.
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*
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* @param aStates - accessible states.
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* @param aExtraStates - accessible extra states.
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*/
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nsISupports getStringStates(in unsigned long aStates,
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in unsigned long aExtraStates);
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/**
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* Get the type of accessible event as a string.
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*
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* @param aEventType - the accessible event type constant
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* @return - accessible event type presented as human readable string
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*/
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AString getStringEventType(in unsigned long aEventType);
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/**
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* Get the type of accessible relation as a string.
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*
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* @param aRelationType - the accessible relation type constant
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* @return - accessible relation type presented as human readable string
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*/
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AString getStringRelationType(in unsigned long aRelationType);
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/**
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* Return an accessible for the given DOM node from the cache.
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* @note the method is intended for testing purposes
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*
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* @param aNode [in] the DOM node to get an accessible for
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*
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* @return cached accessible for the given DOM node if any
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*/
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nsIAccessible getAccessibleFromCache(in Node aNode);
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/**
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* Create a new pivot for tracking a position and traversing a subtree.
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*
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* @param aRoot [in] the accessible root for the pivot
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* @return a new pivot
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*/
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nsIAccessiblePivot createAccessiblePivot(in nsIAccessible aRoot);
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/**
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* Create a new nsIAccessibleTextLeafPoint.
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*
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* @param aAccessible [in] the accessible for the point
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* @param aOffset [in] the offset of the point
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* @return a new point
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*/
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nsIAccessibleTextLeafPoint createTextLeafPoint(in nsIAccessible aAccessible,
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in long aOffset);
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/**
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* Enable logging for the given modules, all other modules aren't logged.
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*
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* @param aModules [in] list of modules, format is comma separated list
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* like 'docload,doccreate'.
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* @note Works on debug build only.
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* @see Logging.cpp for list of possible values.
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*/
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void setLogging(in ACString aModules);
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/**
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* Return true if the given module is logged.
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*/
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boolean isLogged(in AString aModule);
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/**
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* Get the current accessibility service consumers.
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* @returns a JSON string representing the accessibility service consumers.
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*/
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AString getConsumers();
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};
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