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