TPE DOM/Pointer events

Introduction

This project is to support events and related interfaces for handling hardware pointer input from various devices including a mouse, pen, touchscreen, etc. There's implementation prefed-off on Nightly due to lack of stability. We will start from enabling the feature for Desktop again on Nightly then on Fennec.

References:

• Pointer events spec
• dev-blink intent-to-implement
• Mozilla discussion thread

Main Members

Engineers: Stone Shih (main contact), Ben Hsu

QA contact: Alexandru Simonca (:asimonca)

Meeting Minutes & Project Status

Sync-up meeting gdoc or etherpad

Test plan and test cases

• QA Test plan wiki page
• List of websites using PointerEvents
• Test cases

Roadmap

PHASE 1 - Enabling PE on Nightly

• Milestone 1 - support major Pointer events behaviors on Windows Desktop with Pref-off on Nightly 52
  • Tasks
    • Fix crashes and critical issues breaking existing mouse and touch experiences
    • Automation test enhancement
  • Schedule
    • 2016 Q3
    • Checking point: 2016 8E
• Milestone 2 - To enable PE on Windows on Nightly 53 <WE ARE HERE!>
  • Acceptance criteria
    • Web-platform-tests all pass
    • No regression on existing mouse, touch and pen experiences
    • To work with QA
  • Tasks
    • QA perform manual tests upon major websites on Windows Desktop
    • Fix blocking issues
      • High-level click events
      • Compatibility mouse events
      • Implement pointer capture behaviors
      • Fire boundary events
      • Add PEv2 stylus attributes
      • After fixing blocking issues reported by QA, we plan to invite community members to test the feature widely.
  • Schedule - Target riding Firefox 53 Nightly (on track)
  • NOTE - According to QA feedback, we may consider to ship only to Windows first if PE is going to be better than the current touch events.
    • Open Questions: any concerns to ship this set of API to a certain platform first, instead of all the platforms? if there's no concern, we will merge two phases into one. (should wait for QA testing results first, then ask for Reviewer's comment)
• Milestone 3 - To enable PE on Linux on Nightly
  • Acceptance criteria
    • Web-platform-tests all pass
    • No regression on existing mouse and touch experiences
    • To work with QA
  • Tasks
    • WidgetPointer arch proposal discussion - Investigate Linux, Fennec, Windows
    • Fix mouse and touch integration bugs on Linux
    • Fix mouse and touch integration bugs on Android
  • Schedule
    • Checking point: 2016 9E (proposal review)
• Milestone 4 - Android
• Milestone 5 - MAC

PHASE 2 - Shipping PE to Desktop & Fennec release

• Acceptance criteria - to clarify
• Open questions ?
• Tasks
  • Add Telemetry
• Target ship date: TBD (2017)

Project Dashboard

Meta Bugs

Full Query

ID	Summary	Priority	Status
822898	[meta] Implement pointer events	P3	RESOLVED
1166347	Enabling pointer events in Nightly builds	P3	RESOLVED

2 Total; 0 Open (0%); 2 Resolved (100%); 0 Verified (0%);

Milestone_1 Bugs & Progress

Implementation part: Miscelleous & Crashes fixing - DONE

Full Query

ID	Summary	Status	Target milestone	Resolution	Assigned to	Depends on	Blocks
1258808	Pointer event ids are always 0	RESOLVED	mozilla51	FIXED	Ben Hsu [:HoPang]		1166347

1 Total; 0 Open (0%); 1 Resolved (100%); 0 Verified (0%);

Testing refinement:

Full Query

ID	Summary	Status	Target milestone	Resolution	Assigned to	Depends on	Blocks
1299199	[Pointer Events] Replace all `sendPointerEvent()` with `sendMouseEvent()` in testcases.	RESOLVED	mozilla51	FIXED	Ben Hsu [:HoPang]		1302034, 1299024
1299202	[Pointer Events] Make sure only `mousemove`, `mousedown`, `mouseup` and `mousecancel` used in testcases	RESOLVED	---	DUPLICATE	Ben Hsu [:HoPang]		1299024
1299209	[Pointer Events] PointerId should be covered in PE test automation.	RESOLVED	mozilla53	FIXED	Ben Hsu [:HoPang]		1299024
1299215	[Pointer Events] Decouple `button` and `buttons` when synthesizing Widget Events.	RESOLVED	---	DUPLICATE	Ben Hsu [:HoPang]		1299024
1302297	[Pointer Events] Correct the `button` values used by current mochitest wrappers.	RESOLVED	mozilla53	FIXED	Ben Hsu [:HoPang]		1299024

5 Total; 0 Open (0%); 5 Resolved (100%); 0 Verified (0%);

Milestone_2 Bugs & Progress

Full Query

ID	Summary	Status	Target milestone	Resolution	Assigned to	Depends on	Blocks
1258804	FireFox crashes on a pointerevent capturing scenario	RESOLVED	mozilla51	FIXED	Ming-Chou Shih [:stone]		1166347, 1284185, 1292437, 1294335
1290805	Attributes of gotpointercapture and lostpointercapture should be the same as the pointer event that causes them	RESOLVED	---	DUPLICATE	Ming-Chou Shih [:stone]		1292437
1293174	[Pointer Event] Implement implicit pointer capture for touch	RESOLVED	mozilla52	FIXED	Ming-Chou Shih [:stone]		1292437, 1669729
1293176	[Pointer Event] Suppress boundary events when captured	RESOLVED	---	DUPLICATE	Ming-Chou Shih [:stone]		1292079
1294335	[Pointer Event] Refine setPointerCapture / releasePointerCapture to follow the algorithm defined in the spec	RESOLVED	mozilla51	FIXED	Ming-Chou Shih [:stone]	1258804	1292437

5 Total; 0 Open (0%); 5 Resolved (100%); 0 Verified (0%);