Closed Bug 1105113 Opened 10 years ago Closed 9 years ago

When scroll event falls through from subframe to top-level frame, apz scrolling is noticably slower.

Categories

(Core :: Panning and Zooming, defect)

Product:
Core
Component:
Panning and Zooming
Platform:
x86_64
Windows 8.1
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED WORKSFORME

People

(Reporter: mitchell, Unassigned)

References

Details

User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:36.0) Gecko/20100101 Firefox/36.0
Build ID: 20141125030206

Steps to reproduce:

1. Visit http://ripdog.github.io/scrolling-testcase/
2. Scroll the subframe to the bottom.
3. Keep the mouse on the subframe, and scroll down again.


Actual results:

The entire page scrolls down about half as fast as normal. It scrolls the same distance, but so much slower that it's very noticable.


Expected results:

The whole page should scroll at the same speed as the subframe scrolled down. This is what happens with apz off.
Blocks: 1086162
With all the event handling, wheel, and animation fixes that have happened since this bug, it should be fixed now. I can't reproduce it anymore. Feel free to re-open if it still happens.
Status: UNCONFIRMED → RESOLVED
Closed: 9 years ago
Resolution: --- → WORKSFORME
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