Gecko/Touch: Difference between revisions
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| Windows metro || yes || yes (disabled) || yes || Gecko APZC || Gecko | | Windows metro || yes || yes (disabled) || yes || Gecko APZC || Gecko | ||
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This table lists support by other browsers as of December 2014: | |||
{| class="wikitable sortable" | |||
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! Browser !! Touch Events !! Pointer Events !! touch-action | |||
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| Chrome || ✓ || || ✓ | |||
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| IE desktop || || ✓ || ✓ | |||
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| IE mobile || ✓ || ✓ || ✓ | |||
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| Safari || ✓ || || | |||
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Revision as of 16:19, 9 December 2014
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 | 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 | no |
| Windows metro | yes | yes (disabled) | yes | Gecko APZC | Gecko |
This table lists support by other browsers as of December 2014:
| Browser | Touch Events | Pointer Events | touch-action |
|---|---|---|---|
| Chrome | ✓ | ✓ | |
| IE desktop | ✓ | ✓ | |
| IE mobile | ✓ | ✓ | ✓ |
| Safari | ✓ |
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)
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.
Current work:
- Windows metro: Finish Pointer Events / touch-action as reference implementation for W3C spec (MS Open Tech).
- Windows desktop: Fix and enable Touch Events, and implement Pointer Events / touch-action (MS Open Tech, Platform Integration?).
- Firefox OS: Implement and enable pointer events / touch-action (MS Open Tech?).
Possible future priorities:
- Android: Unify Android and Gecko APZC and viewport code.
- Android: Implement Pointer Events / touch-action.
- Mac: Implement async pan/zoom for trackpad gestures.
- Windows desktop: Implement async pan/zoom for touch-screen and trackpad gestures.
- Platform: Implement CSS Device Adaptation to rationalize mobile viewport code (bug 747754).