W3C DAP Introduction for HTML5 KIG BJ Kim , 2011/07/11
Contents APIs Requirement Interface Code example Milestones
List of APIs @http://www.w3.org/2010/11/DeviceAPICharter.html Calendar Contacts Capture Messaging Network Information Battery status event Generic sensors Audio volume level Web Introducer Gallery Discovery devices and services Feature permission Privacy mechanism
Calendar - Requirement High-level interfaces required to obtain read access to a user’s calendaring service. W3C Working Draft 19 April 2011 http://www.w3.org/TR/2011/WD-calendar-api-20110419/ Use cases A web application would like to access the device calendar A user would like to create/modify/delete a Calendar appointment A user would like to enter a birthday of his friend with a recurrence event A user would like to set a reminder for upcoming events
Contact - Requirement High-level interfaces required to obtain read access to a user’s unified address book. W3C Working Draft 16 June 2011 http://www.w3.org/TR/contacts-api/ Use cases A website requests access to a user's address book
Capture - Requirement HTML form enhancements that provide access to the audio, image and video capture capabilities of the device. W3C Working Draft 14 April 2011 http://dev.w3.org/2009/dap/camera/ Use cases A media capture file picker might render
Messaging - Requirement Provides access to messaging functionality in the device, including SMS, MMS and e-mail. W3C Working Draft 14 April 2011 http://www.w3.org/TR/messaging-api/ W3C Editor's Draft 04 July 2011 http://dev.w3.org/2009/dap/messaging/ Use cases User can send sms, mms and email.
Network Information - Requirement An interface for Web Applications to access the underlying network information (connection info) of the device. W3C Working Draft 07 June 2011 http://www.w3.org/TR/netinfo-api/ W3C Editor's Draft 07 June 2011 http://dev.w3.org/2009/dap/netinfo/ Use cases Canget information about network Can decide whether network is free or not (Wifi or 3G/4G?)
Battery Status Event - Requirement A new DOM event type that provides information about the battery status of the hosting device and associated auxiliary devices. W3C Working Draft 02 June 2011 http://www.w3.org/TR/battery-status/ W3C Editor's Draft 01 July 2011 http://dev.w3.org/2009/dap/system-info/battery-status.html Use cases Using battery now? Is charging now? Batter remaining percentage Time for batter life
Generic Sensors - Requirement General interface for sensor values. W3C Editor’s Draft 16 March 2011 http://dev.w3.org/2009/dap/system-info/#sensors For now, part of System information API rather than separate spec Use cases Automatically adjust the UI colors if the ambient light gets too bright
Audio Volume Level - Requirement The volume level of a speaker, on a 0 to 100 scale. W3C Editor’s Draft 16 March 2011 http://dev.w3.org/2009/dap/system-info/#output-devices For now, part of System information API rather than separate spec Use cases Count audio devices. Get the volume of speaker on the device.
Web Introducer - Requirement Enables Web content to discover a user’s personal resources, no matter where they are hosted, and gain permission to interact with them via a one-click user interaction. Editor's Draft 4 May 2011 http://web-send.org/introducer/ Use cases Link sharing SMS events File chooser
Gallery - Requirement API that provides access to media gallery located on the device. W3C Editor’s Draft 04 November 2010 http://dev.w3.org/2009/dap/gallery/ Use cases Web application can select local image when uploading a photo to a web site. User would like to sort local image (+external and online) by the specific metadata property like title, created date, location, etc
Discovery devices and services - Requirement APIs for the web page scripts to discover devices and services on local networks, Bluetooth, USB and so on. No W3C spec yet http://www.w3.org/2011/04/discovery.html Early demo level in WebInOS project Use cases Search USB, Bluetooth, Printer connectable with device
Feature Permission - Requirement APIs for web pages to request permission to use privileged user agent features. Latest published version http://www.w3.org/TR/perms/ BUT, “DOCUMENT NOT FOUND” W3C Editor's Draft 31 May 2011 http://dev.w3.org/2006/webapi/WebNotifications/publish/FeaturePermissions.html Use cases When access to contact information is ‘Default_Denied’, can request a permission to ‘User_Allowed’.
Privacy mechanism - Requirement Provides definitions, use cases, and requirements for making device APIs more privacy-friendly. W3C Editor’s Draft 23 June 2010 http://dev.w3.org/2009/dap/privacy-reqs/ W3C Working Group Note 29 June 2010 http://www.w3.org/TR/dap-privacy-reqs/ Use cases Privacy Considerations for API Usage Privacy Considerations for Device Property Access