netvibes developer meetup - paris - may 2008

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Developer Meetup

Paris - 30 Mai 2008


Widgets!

• Web Widgets (Netvibes, IGoogle)

• Desktop Widgets (Vista, Dashboard, Yahoo!)

Developer Meetup - Paris - 30 Mai 2008

UWA

• a simple, elegant, flexible web widget format

• announced at Future of Web Apps in February 2007

• based on web standards(html, javascript, css, xml)


Why UWA?


Works in various contexts

• works on ANY device, platform, software that support web standards

• just need to adapt with a few lines

• really !


UWA Format Content Model of a UWA widget

• Metadata

• Preferences

• Scripting

• Style

• Content


UWA FormatWhat would Google do?

General Format Custom XML

Metas Datas <ModulePrefs>Preferences <UserPrefs>

Style Blob in <Content>

Scripting Blob in <Content>Content Blob in <Content>


UWA FormatBut wait,

why reinvent the wheel ?General Format XHTML

Metas Datas <title> <meta>

Preferences <widget:preferences>

Style <style>

Scripting <script>

Content <body>


UWA FormatContent Model of a UWA widget

• Metadatas



• Preferences



• Scripting



• Style



• Content


UWA Javascript API

• Widget object

• Environment object

• Data request

• DOM Extensions


UWA Javascript APIWidget object

• a bit like DOMdocument or window objects

• widget.body

• widget.setValue() getValue()

• widget.onLoad = function() {}


UWA Javascript APIEnvironment object

• for implementors

• interface between the widget object and the execution environment

• to port UWA to a new platform, just extend our base Environment class


UWA Javascript APIData request methods

Set of methods that cover simple Ajax scenarios :

• UWA.Data.getFeed(url, callback)

• UWA.Data.getJson(url, callback)

• UWA.Data.getText(url, callback)

• UWA.Data.getXML(url, callback)

Take care of proxying, caching and error handling.


UWA Javascript APIDOM extensions

• Array• String• HTML elements


Competition


Standardisation


break;


REST APIs


REST APIsrest.netvibes.com

• Widget Collections• Activities


REST APIshttp://rest.netvibes.com/universe/{username}

http://rest.netvibes.com/universe/netvibes

http://rest.netvibes.com/universe/netvibes


REST APIshttp://rest.netvibes.com/universe/{username}?format=json

http://rest.netvibes.com/universe/netvibes?format=json

http://rest.netvibes.com/universe/netvibes?format=json


Rest API roadmap

• Public Data (now)

• Private Data (oauth) (summer)

• Read / Write (september)


Netvibes.org

netvibes open source components


UWA runtime

• javascript libraries to run UWA widgets

• let you port UWA where you want


PHP Exposition libraries

• PHP classes to

• interact with Netvibes backend

• parse & compile UWA widgets


Exposition PHP Server

• a widget server based onExposition PHP Libraries

• render widget through iframes

• data proxy


Applications

• mobile market applications


UNITED KINGDOM

London52, New Inn Hall Street

Oxford - OX12DN

FRANCE

Paris38, rue du Sentier

Paris - 75002

USA

San Francisco840 Battery Street

94111 San Francisco

CHINA

Dahlian沙河口区中山路552号 32层7房间大连市

Contact : [email protected]

mailto:[email protected]

mailto:[email protected]

netvibes developer meetup - paris - may 2008

Technology