Gecko/Touch: Difference between revisions

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Current work:
Current work:


* '''Mac''': Use async pan/zoom (gfx).
* '''Windows desktop, Mac, Linux''': Use async pan/zoom.
* '''Windows desktop''': Fix and enable Touch Events, and implement Pointer Events + touch-action (MS Open Tech, Platform Integration?).
* '''Windows desktop''': Fix and enable Touch Events, and implement Pointer Events + touch-action (depends on APZ).


Possible future work:
Possible future work:


* '''Firefox OS''': Implement and enable pointer events and/or touch-action (MS Open Tech?).
* '''Firefox OS''': Implement and enable pointer events and/or touch-action.
* '''Android''': Unify Android and Gecko APZC and viewport code.
* '''Android''': Implement Pointer Events and/or touch-action.
* '''Android''': Implement Pointer Events and/or touch-action.
* '''Android''': Unify Android and Gecko APZC and viewport code.
* '''Windows/Linux desktop''': Use async pan/zoom ({{bug|apzc-desktop}}).
* '''Windows/Linux desktop''': Use async pan/zoom ({{bug|apzc-desktop}}).
* '''Platform''': Implement CSS Device Adaptation to rationalize mobile viewport code ({{bug|747754}}).
* '''Platform''': Implement CSS Device Adaptation to rationalize mobile viewport code ({{bug|747754}}).
Notes:
* Just implementing Touch Events and touch-action (without Pointer Events) would allow efficient Pointer Events polyfills, and other developer benefits (including ability to improve responsiveness of touch UIs).  This is what Chrome is currently doing.
* Implementing APZC on desktop would allow desktop Firefox to share much of the Touch Events / Pointer Events / touch-action code with Firefox OS.
** Similarly, porting Firefox for Android to the Gecko APZC and meta viewport code would allow increased code sharing with Firefox OS.

Revision as of 20:44, 15 January 2015

Status in Gecko

This table summarizes some of the broad features related to touch input on the web, and their implementation status on different Gecko platforms:

Platform Touch Events Pointer Events (bug 960316) touch-action async pan/zoom mobile viewport
Android yes no no (bug 1029631) Java (bug 776030) Java (bug 799585)
Firefox OS yes no no (bug 960209) Gecko APZC Gecko
Linux no mouse only (disabled) no no (bug 1013364) no
Mac no mouse only (disabled) no no (bug 1011833) no
Windows desktop disabled (bug win-touch-issues) mouse only (disabled) no (bug 1001440) no (bug 1086162) no
Windows metro yes yes (disabled) yes Gecko APZC Gecko

Status in other browsers

This table lists support by other browsers as of December 2014:

Browser Touch Events Pointer Events touch-action
Chrome ✓ ✓
IE desktop ✓ ✓
IE mobile ✓ ✓ ✓
Safari ✓

References

Standards:

  • W3C Touch Events (shipped by Safari, Chrome, IE Mobile, Firefox for Android, Firefox OS)
  • W3C Pointer Events (shipped by IE Desktop, IE Mobile)
    • touch-action is part of the Pointer Events spec (shipped by Chrome, IE Desktop, IE Mobile)

Other documentation:

Planning

Current work:

  • Windows desktop, Mac, Linux: Use async pan/zoom.
  • Windows desktop: Fix and enable Touch Events, and implement Pointer Events + touch-action (depends on APZ).

Possible future work:

  • Firefox OS: Implement and enable pointer events and/or touch-action.
  • Android: Unify Android and Gecko APZC and viewport code.
  • Android: Implement Pointer Events and/or touch-action.
  • Windows/Linux desktop: Use async pan/zoom (bug apzc-desktop).
  • Platform: Implement CSS Device Adaptation to rationalize mobile viewport code (bug 747754).
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