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Issue 869237 link

Starred by 1 user
Status: Available
Owner: ----
Cc:
bokan@chromium.org
jmukthavaram@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 3
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Hard to scroll pdfs in Chrome on Mac

Project Member Reported by brownjustin@google.com, Jul 31 
Chrome Version       : 68.0.3440.75 (Official Build) (64-bit)
Other browsers tested:
     Safari: OK Version 11.1.2 (13605.3.8)

What steps will reproduce the problem?
(1) Open a pdf (I used http://algo.inria.fr/flajolet/Publications/book.pdf )
(2) Try scrolling by clicking and dragging on the scrollbar. It is very difficult to grab the scrollbar - it either disappears or changes width (see attached movie).

What is the expected result?
When I move towards the scrollbar it should remain visible. I should be able to grab the scrollbar and drag it without it disappearing or changing size. It is much easier to draft and scroll the PDF using Safari.

What happens instead?
Most of the time I can't grab the scrollbar and it's frustrating - it either disappears or changes size so that it is no longer under my cursor.

Please provide any additional information below. Attach a screenshot if
possible.
Video attached.
PdfChromeScrollOnMac.mov
2.9 MB View Download

Comment 1 by jmukthavaram@chromium.org, Jul 31

Cc: jmukthavaram@chromium.org
Components: Blink>Layout>Scrollbars
Labels: Target-70 M-70 FoundIn-70 OS-Mac
Status: Untriaged (was: Unconfirmed)
Able to reproduce the issue on Mac 10.13.6 using chrome reported version-68.0.3440.75 & latest Canary-	70.0.3507.0 as per steps mentioned in C#0.

Observed scroll bar is getting disappeared & changing its size from M60 builds to latest Canary. As it is non regression issue, marking it as Untriaged to get it addressed from dev team.

Thanks..!
869237-on M60.mp4
4.9 MB View Download

Comment 2 by e...@chromium.org, Aug 1

Components: -Blink>Layout>Scrollbars Blink>Scroll

Comment 3 by bokan@chromium.org, Aug 2

Cc: bokan@chromium.org
brownjustin@, I don't have a Mac handy to try - is this just in PDFs or on regular pages too?

Also, can I remove restrict-view-google or is there anything confidential here?

Comment 4 by brownjustin@google.com, Aug 2 

It looks like it is also an issue on regular pages too (such as this bugs page). I only noticed it on the PDF because it had a tiny scroll bar and I was trying to drag quickly to a certain spot.

I think the difficult thing is that moving my cursor to the side doesn't make the scroll bar appear, even when I"m hovering over it. I first need to use the touchpad to scroll a little bit (I'm on a laptop) and then grab the cursor before it disappears. But I can't always get it in time, and plus it sometimes becomes half the width, which makes it harder to grab.

Nothing confidential here, so feel free to modify however is most convenient.

Comment 5 by bokan@chromium.org, Aug 9

Labels: -Restrict-View-Google Pri-3
Status: Available (was: Untriaged)
Ok, thanks. Not sure we'll have time to get to this soon but Mac scrollbars could definitely use some love.

Comment 6 by bokan@chromium.org, Aug 9

Labels: allpublic
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