BS PD ISO IEC TR 13066-4-2015 Information technology Interoperability with assistive technology (AT) Linux UNIX graphical environments accessibility API《信息技术 辅助技术 (AT) 的互操作性 Linux .pdf
《BS PD ISO IEC TR 13066-4-2015 Information technology Interoperability with assistive technology (AT) Linux UNIX graphical environments accessibility API《信息技术 辅助技术 (AT) 的互操作性 Linux .pdf》由会员分享,可在线阅读,更多相关《BS PD ISO IEC TR 13066-4-2015 Information technology Interoperability with assistive technology (AT) Linux UNIX graphical environments accessibility API《信息技术 辅助技术 (AT) 的互操作性 Linux .pdf(32页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationInformation technology Interoperability with assistivetechnology (AT)Part 4: Linux/UNIX graphical environments accessibility APIPD ISO/IEC TR 13066-4:2015National forewordThis Published Document is the UK implementation of ISO/IEC TR13066-4:2015.The UK participation in its p
2、reparation was entrusted to TechnicalCommittee ICT/-/6, ICT Accessibility.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct app
3、lication. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 76640 4ICS 11.180.99; 35.180Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under the authority of theStandards Policy and Stra
4、tegy Committee on 30 November 2015.Amendments/corrigenda issued since publicationDate Text affectedPUBLISHED DOCUMENTPD ISO/IEC TR 13066-4:2015Information technology Interoperability with assistive technology (AT) Part 4: Linux/UNIX graphical environments accessibility APITechnologies de linformatio
5、n Interoprabilit avec les technologies dassistance Partie 4: Accessibilit API des environnements graphiques lInux/UNIXTECHNICAL REPORTISO/IEC TR13066-4First edition2015-11-01Reference numberISO/IEC TR 13066-4:2015(E) ISO/IEC 2015PD ISO/IEC TR 13066-4:2015ii ISO/IEC 2015 All rights reservedCOPYRIGHT
6、PROTECTED DOCUMENT ISO/IEC 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, with
7、out prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgISO
8、/IEC TR 13066-4:2015(E)PD ISO/IEC TR 13066-4:2015ISO/IEC TR 13066-4:2015(E)Foreword ivIntroduction v1 Scope . 12 Terms and definitions . 13 Overview . 43.1 General description . 43.2 Architecture . 53.2.1 ATK Aware Toolkits . 63.2.2 AT-SPI Aware Assistive Technologies 113.3 Support apart from AT-SPI
9、/ATK . 124 Using the API 124.1 Overview . 124.2 User Interface elements . 124.3 Getting and setting focus . 134.4 Communication mechanisms 144.5 How GNOME uses the ATK/AT-SPI accessibility Application Programming Interface 145 Exposing User Interface Element Information .155.1 Role, state(s), bounda
10、ry, name, and description of the user interface element.155.2 Current value and any minimum or maximum values, if the user interface element represents one of a range of values 165.3 Text contents, text attributes, and the boundary of text rendered to the screen .175.4 The location of the user inter
11、face element in relation to other user interface elements 176 Exposing User Interface Element Actions 187 Keyboard focus 188 Events 198.1 Changes in the user interface element value .198.2 Changes in the name of the user interface element .208.3 Changes in the description of the user interface eleme
12、nt 208.4 Changes in the boundary of the user interface element 209 Programmatic modifications of states, properties, values, and text .2010 Design considerations .2110.1 Using AT-SPI/ATK 2111 Further information .2111.1 Testing Accessibility with Accerciser . 22Bibliography .23 ISO/IEC 2015 All righ
13、ts reserved iiiContents PagePD ISO/IEC TR 13066-4:2015ISO/IEC TR 13066-4:2015(E)ForewordISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO
14、or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations,
15、 governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.The procedures used to develop this document and those intended for its further maintenance are
16、 described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of document should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn
17、to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/o
18、r on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity ass
19、essment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/IEC JTC 1, Information technology, Subcommittee SC 35, User interfaces.ISO
20、/IEC 13066 consists of the following parts, under the general title Information technology Interoperability with Assistive Technology (AT): Part 1: Requirements and recommendations for interoperability Part 2: Windows accessibility application programming interface (API) Technical Report Part 3: IAc
21、cessible2 accessibility application programming interface (API) Technical Report Part 4: Linux/UNIX graphical environments accessibility API Technical Report Part 6: Java accessibility application programming interface (API) Technical Reportiv ISO/IEC 2015 All rights reservedPD ISO/IEC TR 13066-4:20
22、15ISO/IEC TR 13066-4:2015(E)IntroductionAssistive technology (AT) is specialized information technology (IT) hardware or software that is added to or incorporated within a system that increases accessibility for an individual. In other words, it is special purpose IT that interoperates with another
23、IT product enabling a person with a disability to use the IT product.Interoperability involves the ability to add or replace Assistive Technology (AT) to existing components of Information Technology (IT) systems. Interoperability between AT and IT is best facilitated via the use of standardized, pu
24、blic interfaces for all IT components.This part of ISO/IEC 13066 describes the following.AT-SPIThe Assistive Technology Service Provider Interface (AT-SPI) API, which can be used as a toolkit agnostic framework to support software to software IT-AT interoperability on Linux and UNIX graphical deskto
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