W3C

WICD Mobile 1.0

W3C Working Draft 19 December 2005

This version:
http://www.w3.org/TR/2005/WD-WICDMobile-20051219/
Latest version:
http://www.w3.org/TR/WICDMobile/
Previous version:
http://www.w3.org/TR/2005/WD-WICDMobile-20051121/
Editors:
Timur Mehrvarz, Vodafone Group Services Limited
Daniel Appelquist, Vodafone Group Services Limited
Lasse Pajunen, Nokia

Abstract

This document specifies WICD Mobile 1.0, a Compound Document profile based on XHTML, CSS and SVG, which is targeted at mobile agents.

Compound Document is the W3C term for a document that combines multiple formats.

WICD stands for Web Integration Compound Document.

Status of this Document

This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at http://www.w3.org/TR/.

This is the 19 December 2005 Last Call Working Draft of the WICD Mobile Profile. The Compound Document Formats Working Group explicitly requests comments on this specification. Please send them to public-cdf@w3.org. This list is archived and acceptance of this archiving policy is requested automatically upon first post. To subscribe to this list send an email to public-cdf-request@w3.org with the word subscribe in the subject line.

The deadline for Last Call comments is 27 January 2006.

This document has been produced by the Compound Document Formats Working Group as part of the Rich Web Client Activity within the W3C Interaction Domain.

This document was produced under the 5 February 2004 W3C Patent Policy. The Working Group maintains a public list of patent disclosures relevant to this document; that page also includes instructions for disclosing [and excluding] a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) with respect to this specification should disclose the information in accordance with section 6 of the W3C Patent Policy.

Per section 4 of the W3C Patent Policy, Working Group participants have 150 days from the title page date of this document to exclude essential claims from the W3C RF licensing requirements with respect to this document series. Exclusions are with respect to the exclusion reference document, defined by the W3C Patent Policy to be the latest version of a document in this series that is published no later than 90 days after the title page date of this document.

Publication as a Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

Table of Contents

1 Introduction
    1.1 Scope
2 Document Formats
    2.1 Updated version of XHTML Basic
        2.1.1 XHTML MIME Type
    2.2 ECMAScript 3rd Edition Compact Profile
        2.2.1 ECMAScript MIME Type
    2.3 Updated version CSS Mobile Profile
    2.4 SVG Tiny 1.2
    2.5 Bitmap formats
    2.6 Audio formats
    2.7 Video formats
3 User Agent
    3.1 Identification
    3.2 DOM Level 3
        3.2.1 Keyboard Event Naming
    3.3 Intended Layout
        3.3.1 Stylesheet being provided for handheld agents
        3.3.2 No stylesheet being provided for handheld agents
        3.3.3 Switching off mousepointer emulation for handheld content

Appendices

A Definitions
B Conformance
C References
D Authoring Guidelines (Non-Normative)
E Acknowledgements (Non-Normative)


1 Introduction

(This section is informative)

The WICD Mobile profile is primarily designed to enable rich multimedia content on mobile handset devices. These are devices with:

1.1 Scope

This document contains information, which is specific to the WICD Mobile 1.0 profile. User agents, conformant to the WICD Mobile 1.0 profile, must also implement:

Any information that applies to all WICD profiles, is compiled into the WICD Core 1.0 document. Any information that applies to "Compound Documents" in general, can be found in the documents describing the "Compound Document Framework" (CDR/CDI).

The following image shows the relation between WICD and CDF documents.

Shows the relation of WICD and CDF documents

The following is a sample WICD Mobile 1.0 markup:

<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"
    "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  <head>
    <title>Example WICD Mobile content</title>
  </head>
  <body>
    <h1>Example WICD Mobile content<h1>
    <object type="image/svg+xml" src="child.svg" width="50%" />
  </body>           
</html>

2 Document Formats

2.1 Updated version of XHTML Basic

[XHTMLBasic XHTML Basic. W3C Recommendation 19th December 2000

For reference: [XHTMLMP12] “XHTML Mobile Profile 1.2” (PDF)

Conformant user agent must support XHTML Basic as the root document.

Editorial note 
We try to harmonize XHTML MP 1.2 specific features into XHTML Basic. We concluded that the best we can do, currently, is a forward reference to an updated XHTML Basic.

2.1.1 XHTML MIME Type

Documents authored for WICD Mobile 1.0 should be associated with the application/xhtml+xml mime type.

2.2 ECMAScript 3rd Edition Compact Profile

Conformant WICD Mobile user agents must support ECMAScript 3rd Edition as a scripting language.

2.2.1 ECMAScript MIME Type

ECMAScript documents authored for the WICD Mobile 1.0 profile should be associated with the "application/ecmascript" mime type.

2.3 Updated version CSS Mobile Profile

CSS Mobile Profile 1.0 (W3C Candidate Recommendation 25 July 2002)

For reference: [Wireless Profile CSS 1.1] (PDF) OMA Candidate Version 1.1 – 09 Jun 2004

Editorial note 
We try to harmonize Wireless CSS specific features into CSS MP. We concluded that the best we can do, currently, is a forward reference to an updated CSS MP. WICD Mobile needs to reference selected features of CSS 2.1 (Rightsizing). WICD Mobile needs these properties: 'min-width', 'max-width', 'min-height' and 'max-height'. WICD Mobile needs support for the 'position' property (absolute, relative). WICD Mobile needs support for the 'outline' property (in particular: outline-style hidden).

2.4 SVG Tiny 1.2

Conformant WICD Mobile 1.0 user agent must support Scalable Vector Graphics (SVG) Tiny 1.2 Specification while referenced from XHTML.

2.5 Bitmap formats

The viewer must support JPEG/JFIF [JPEG][JFIF] and PNG [PNG] raster image formats. Other image formats may be supported in addition. For JPEG, the subset defined in [SVG12] shall be supported. For PNG, all color types and bit depths shall be supported, gamma correction shall be supported, and any alpha or transparency information shall be used to composite the image onto the background.

2.6 Audio formats

Audio may be incorporated into WICD 1.0 content in several ways. It may be pointed to from an XHTML object element, or an SVG audio element, or indirectly from an SVG video element where the video includes audio.

In XHTML, there are no timing elements. Thus, audio will play from the time the document is loaded until the time the document is unloaded (eg, replaced by another document as a result of following a link). In conforming WICD 1.0 content, audio referenced from an XHTML object element must have width and height of zero.

In SVG, audio may be triggered by user interaction or by animations to start, stop, or change volume.

For accessibility, conforming WICD 1.0 user agents should profile the option of switching off audio. [UAAG].

No audio format is mandated in this profile. Any audio format supported by the device must also be supported to be used with the <audio> element in SVG and <object> element in XHTML.

2.7 Video formats

Video may be incorporated into WICD 1.0 content in several ways. It may be pointed to from an XHTML object element, or an SVG video element.

In XHTML, there are no timing elements. Thus, video will play from the time the document is loaded until the time the document is unloaded (eg, replaced by another document as a result of following a link).

In SVG, video may be triggered by user interaction or by animations to start, pause, rewind, or stop.

For accessibility, conforming WICD 1.0 user agents must provide the option of pausing, rewinding, or stopping video.

No video format is mandated in this profile. Any video format supported by the device must also be supported to be used with the <video> element in SVG and <object> element in XHTML.

3 User Agent

3.1 Identification

When declaring support for WICD Mobile 1.0, a conforming user agent should use an "Accept" header with the value:

application/xhtml+xml; profile="http://www.w3.org/2005/12/wicd-mobile"

3.2 DOM Level 3

Conformant WICD Mobile 1.0 user agents must support Document Object Model (DOM) Level 3 Core Specification and Document Object Model (DOM) Level 3 Events Specification.

3.2.1 Keyboard Event Naming

(This section is informative)

DOM Level 3 Events is expected to specify a default keyboard mapping for handset devices. We would like to link to this specification and make it mandatory.

The following key assignements may be meaningful:

- Joystick up,down,left,right and activate to be assigned to "Up","Down","Left","Right" and "Ok".

- Softkey 1 and 2 to be assigned to "F1" and "F2".

3.3 Intended Layout

3.3.1 Stylesheet being provided for handheld agents

A handheld user agent, that discovers a CSS stylesheet, provided for it's device class (either by media attribute set to "handheld" or by a Media Query expression), should assume the content was created with handheld properties 'in mind'. The agent is expected to deactivate any special adaptation techniques for rendering wide screen content on a narrow screen and display the intended layout. (See also the "Media Queries" and "Media Features" sections in the "WICD Core" document.)

3.3.2 No stylesheet being provided for handheld agents

(This section is informative)

A handheld user agent should also not activate special content adaptation techniques for the narrow screen, if documents, which do not contain a stylesheet referece for the "handheld" media type, do not requires such treatment. Such documents should be rendered as is.

3.3.3 Switching off mousepointer emulation for handheld content

(This section is informative)

When switching off special adaptation techniques for rendering wide screen content on a narrow screen, vendors of handset devices should also switch off any type of mouse pointer emulation. They are encouraged to implement a two dimensional, flat graphical focus navigation as described in WICD Core.

A Definitions

The terms used in this document are specified in Compound Document by Reference Framework 1.0.

B Conformance

This specification defines conformance for several classes of products:

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "may", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 (see http://www.ietf.org/rfc/rfc2119.txt). However, for readability, these words do not appear in all uppercase letters in this specification.

At times, this specification recommends good practice for authors and user agents. These recommendations are not normative and conformance with this specification does not depend on their realization. These recommendations contain the expression "We recommend ...", "This specification recommends ...", or some similar wording.

WICD Mobile 1.0 Document Conformance:

  1. A conforming document must conform to the CDR Framework 1.0, WICD Core 1.0 and WICD Mobile 1.0.

  2. A conforming root document must be a XHTML Basic document.

  3. A conforming script language must be a ECMAScript Compact Profile.

  4. A conforming referenced document can be a SVG Tiny document.

  5. A conforming style language is CSS Mobile Profile.

WICD Mobile 1.0 User Agent Conformance:

  1. A comformant user agent MUST support all previously described comformant content.

  2. A conformant user agent must implement all three of the following specifications: CDR Framework 1.0, WICD Core 1.0 and WICD Mobile 1.0.

  3. A scalable background image does not need to provide support for interaction, such as zooming, panning, linking and mouse events.

C References

Extensible Markup Language (XML) 1.0 (Third Edition)
Extensible Markup Language (XML) 1.0 (Third Edition) , C. M. Sperberg-McQueen, Eve Maler, Tim Bray, et. al. , Editors. World Wide Web Consortium, 04 Feb 2004. This version is http://www.w3.org/TR/2004/REC-xml-20040204. The latest version is available at http://www.w3.org/TR/REC-xml.
Namespaces in XML
Namespaces in XML , Tim Bray, Dave Hollander, and Andrew Layman, Editors. World Wide Web Consortium, 14 Jan 1999. This version is http://www.w3.org/TR/1999/REC-xml-names-19990114. The latest version is available at http://www.w3.org/TR/REC-xml-names.
Extensible Markup Language (XML) 1.1
Extensible Markup Language (XML) 1.1 , Eve Maler, John Cowan, Jean Paoli, et. al. , Editors. World Wide Web Consortium, 04 Feb 2004. This version is http://www.w3.org/TR/2004/REC-xml11-20040204/. The latest version is available at http://www.w3.org/TR/xml11/.
Namespaces in XML 1.1
Namespaces in XML 1.1 , Andrew Layman, Dave Hollander, Richard Tobin, and Tim Bray, Editors. World Wide Web Consortium, 04 Feb 2004. This version is http://www.w3.org/TR/2004/REC-xml-names11-20040204. The latest version is available at http://www.w3.org/TR/xml-names11/.
Document Object Model (DOM) Level 3 Core Specification
Document Object Model (DOM) Level 3 Core Specification , Jonathan Robie, Steve Byrne, Philippe Le Hégaret, et. al. , Editors. World Wide Web Consortium, 07 Apr 2004. This version is http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407. The latest version is available at http://www.w3.org/TR/DOM-Level-3-Core/.
Document Object Model (DOM) Level 3 Events Specification
Document Object Model (DOM) Level 3 Events Specification , Tom Pixley and Philippe Le Hégaret, Editors. World Wide Web Consortium, 07 Nov 2003. This version is http://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107. The latest version is available at http://www.w3.org/TR/DOM-Level-3-Events/.
Document Object Model (DOM) Level 2 HTML Specification
Document Object Model (DOM) Level 2 HTML Specification , Johnny Stenback, Philippe Le Hégaret, and Arnaud Le Hors, Editors. World Wide Web Consortium, 09 Jan 2003. This version is http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030107. The latest version is available at http://www.w3.org/TR/DOM-Level-2-HTML/.
Cascading Style Sheets, level 2 revision 1 CSS 2.1 Specification
Cascading Style Sheets, level 2 revision 1 CSS 2.1 Specification , Håkon Wium Lie, Tantek Çelik, Bert Bos, and Ian Hickson, Editors. World Wide Web Consortium, 13 Jun 2005. This version is http://www.w3.org/TR/2005/WD-CSS21-20050613. The latest version is available at http://www.w3.org/TR/CSS21.
Media Queries
Media Queries , Håkon Wium Lie, Tantek Çelik, and Daniel Glazman, Editors. World Wide Web Consortium, 08 Jul 2002. This version is http://www.w3.org/TR/2002/CR-css3-mediaqueries-20020708. The latest version is available at http://www.w3.org/TR/css3-mediaqueries/.
HTML 4.01 Specification
HTML 4.01 Specification , David Raggett, Arnaud Le Hors, and Ian Jacobs, Editors. World Wide Web Consortium, 24 Dec 1999. This version is http://www.w3.org/TR/1999/REC-html401-19991224. The latest version is available at http://www.w3.org/TR/html401.
XHTML™ 1.1 - Module-based XHTML
XHTML™ 1.1 - Module-based XHTML , Murray Altheim and Shane McCarron, Editors. World Wide Web Consortium, 31 May 2001. This version is http://www.w3.org/TR/2001/REC-xhtml11-20010531. The latest version is available at http://www.w3.org/TR/xhtml11/.
WebCGM 1.0 Second Release
WebCGM 1.0 Second Release , Lofton Henderson, Roy Platon, Dieter Weidenbrueck, et. al. , Editors. World Wide Web Consortium, 17 Dec 2001. This version is http://www.w3.org/TR/2001/REC-WebCGM-20011217/. The latest version is available at http://www.w3.org/TR/REC-WebCGM.
Mathematical Markup Language (MathML) Version 2.0 (Second Edition)
Mathematical Markup Language (MathML) Version 2.0 (Second Edition) , David Carlisle, Patrick Ion, Robert Miner, and Nico Poppelier, Editors. World Wide Web Consortium, 21 Oct 2003. This version is http://www.w3.org/TR/2003/REC-MathML2-20031021/. The latest version is available at http://www.w3.org/TR/MathML2/.
Portable Network Graphics (PNG) Specification (Second Edition)
Portable Network Graphics (PNG) Specification (Second Edition) , David Duce, Editor. World Wide Web Consortium, 10 Nov 2003. This version is http://www.w3.org/TR/2003/REC-PNG-20031110. The latest version is available at http://www.w3.org/TR/PNG.
XML Events
XML Events , T. V. Raman, Steven Pemberton, and Shane McCarron, Editors. World Wide Web Consortium, 14 Oct 2003. This version is http://www.w3.org/TR/2003/REC-xml-events-20031014. The latest version is available at http://www.w3.org/TR/xml-events.
Voice Extensible Markup Language (VoiceXML) Version 2.0
Voice Extensible Markup Language (VoiceXML) Version 2.0 , Jim Ferrans, Bruce Lucas, Ken Rehor, et. al. , Editors. World Wide Web Consortium, 16 Mar 2004. This version is http://www.w3.org/TR/2004/REC-voicexml20-20040316/. The latest version is available at http://www.w3.org/TR/voicexml20.
Architecture of the World Wide Web, Volume One
Architecture of the World Wide Web, Volume One , Norman Walsh and Ian Jacobs, Editors. World Wide Web Consortium, 15 Dec 2004. This version is http://www.w3.org/TR/2004/REC-webarch-20041215/. The latest version is available at http://www.w3.org/TR/webarch/.
Synchronized Multimedia Integration Language (SMIL 2.1)
Synchronized Multimedia Integration Language (SMIL 2.1) , Dick Bulterman, Editor. World Wide Web Consortium, 27 Sep 2005. This version is http://www.w3.org/TR/2005/PR-SMIL2-20050927/. The latest version is available at http://www.w3.org/TR/SMIL2/.
Scalable Vector Graphics (SVG) Tiny 1.2 Specification
Scalable Vector Graphics (SVG) Tiny 1.2 Specification , , , , et. al. , Editors. World Wide Web Consortium, 07 Dec 2005. This version is http://www.w3.org/TR/2005/WD-SVGMobile12-20051207/. The latest version is available at http://www.w3.org/TR/SVGMobile12/.
Compound Document by Reference Use Cases and Requirements Version 1.0
Compound Document by Reference Use Cases and Requirements Version 1.0 , Daniel Appelquist, Timur Mehrvarz, and Antoine Quint, Editors. World Wide Web Consortium, 09 Aug 2005. This version is http://www.w3.org/TR/2005/WD-CDRReqs-20050809/. The latest version is available at http://www.w3.org/TR/CDRReqs/.
Compound Document by Reference Framework 1.0
Compound Document by Reference Framework 1.0 , Timur Mehrvarz, Daniel Appelquist, and Lasse Pajunen, Editors. World Wide Web Consortium, 21 Nov 2005. This version is http://www.w3.org/TR/2005/WD-CDR-20051121/. The latest version is available at http://www.w3.org/TR/CDR/.
WICD Core 1.0
WICD Core 1.0 , Timur Mehrvarz, Daniel Appelquist, and Lasse Pajunen, Editors. World Wide Web Consortium, 21 Nov 2005. This version is http://www.w3.org/TR/2005/WD-WICD-20051121/. The latest version is available at http://www.w3.org/TR/WICD/.
WICD Full 1.0
WICD Full 1.0 , Timur Mehrvarz, Daniel Appelquist, and Lasse Pajunen, Editors. World Wide Web Consortium, 21 Nov 2005. This version is http://www.w3.org/TR/2005/WD-WICDFull-20051121/. The latest version is available at http://www.w3.org/TR/WICDFull/.
WICD Mobile 1.0
WICD Mobile 1.0 , Timur Mehrvarz, Daniel Appelquist, and Lasse Pajunen, Editors. World Wide Web Consortium, 21 Nov 2005. This version is http://www.w3.org/TR/2005/WD-WICDMobile-20051121/. The latest version is available at http://www.w3.org/TR/WICDMobile/.
Web Content Accessibility Guidelines 1.0
Web Content Accessibility Guidelines 1.0 , Wendy Chisholm, Gregg Vanderheiden, and Ian Jacobs, Editors. World Wide Web Consortium, 05 May 1999. This version is http://www.w3.org/TR/1999/WAI-WEBCONTENT-19990505/. The latest version is available at http://www.w3.org/TR/WAI-WEBCONTENT.
Authoring Tool Accessibility Guidelines 1.0
Authoring Tool Accessibility Guidelines 1.0 , Ian Jacobs, Jutta Treviranus, Charles McCathieNevile, and Jan Richards, Editors. World Wide Web Consortium, 03 Feb 2000. This version is http://www.w3.org/TR/2000/REC-ATAG10-20000203. The latest version is available at http://www.w3.org/TR/ATAG10.
User Agent Accessibility Guidelines 1.0
User Agent Accessibility Guidelines 1.0 , Jon Gunderson, Eric Hansen, and Ian Jacobs, Editors. World Wide Web Consortium, 17 Dec 2002. This version is http://www.w3.org/TR/2002/REC-UAAG10-20021217/. The latest version is available at http://www.w3.org/TR/UAAG10/.
Mobile Web Best Practices 1.0
Mobile Web Best Practices 1.0 , Charles McCathieNevile and Jo Rabin, Editors. World Wide Web Consortium, 17 Oct 2005. This version is http://www.w3.org/TR/2005/WD-mobile-bp-20051017/. The latest version is available at http://www.w3.org/TR/mobile-bp/.
XHTMLMP+SVGT
XHTMLMP+SVGT Combined Markup for Mobile Browsing - Recommended Practice. Vodafone Group.
ECMAScript Language Specification 3rd Edition
ECMAScript Language Specification 3rd Edition , European Computer Manufacturers Association, December 1999. Also available as ISO/IEC 16262: 199
Scripting Media Types
Scripting Media Types , IETF, 06 June 2005
OMG IDL Syntax and Semantics
OMG IDL Syntax and Semantics , defined in The Common Object Request Broker: Architecture and Specification, version 2, Object Management Group.

D Authoring Guidelines (Non-Normative)

WICD Mobile 1.0 content authoring is similar to any other XHTML, CSS, SVG based content authoring. However, due constraints in resources with hardware and user agent implementations, the content authors are encouraged to limit use of complex computation sensitive operations.

More guidelines can be found from Mobile Web Best Practices 1.0.

E Acknowledgements (Non-Normative)

The editors would like to thank the contributors: