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Issue 645493 link

Starred by 2 users
Status: WontFix
Owner:
majidvp@chromium.org
Closed: Jun 2017
Cc:
flackr@chromium.org
majidvp@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug



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document.scrollingElement scrollTop and scrollLeft are not proxied correctly by CompositorProxy.

Project Member Reported by flackr@chromium.org, Sep 9 2016 
Version: 55.0.2855.0 (Developer Build) (64-bit)
OS: All

What steps will reproduce the problem?
(1) Run on the attached pages with --enable-blink-features=GeometryInterfaces,CompositorWorker

What is the expected output?

Expect the green box to move with the scroll on both pages.

What do you see instead?

Instead, on the page that attempts to proxy the document.scrollingElement  (test-scrolling-element.html) the scrollTop returned is always 0.

Please use labels and text to provide additional information.
test-scrolling-element.html
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test-overflow.html
1.2 KB View Download

Comment 1 by majidvp@chromium.org, Sep 9 2016

Owner: majidvp@chromium.org
Status: Assigned (was: Untriaged)
I have a half-working patch for this here: https://codereview.chromium.org/2292133002/

Need to fix some tests but it fell side way. Will try to get back to it soon.

Comment 2 by flackr@chromium.org, Jan 24 2017

Labels: -Hotlist-Threaded-Rendering Hotlist-ThreadedRendering

Comment 3 by majidvp@chromium.org, Feb 27 2017

Cc: -vollick@chromium.org flackr@chromium.org
Status: Started (was: Assigned)

Comment 4 by majidvp@chromium.org, Jun 26 2017

Status: WontFix (was: Started)
No longer relevant as we no longer have the CompositorProxy concept thus are not animating scroll offset and other properties off thread via a single handle.
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