Opened 8 years ago

Last modified 7 years ago

#14619 confirmed Bug

Unable to resize editor on mobile

Reported by: Marek Lewandowski Owned by: Tade0
Priority: Normal Milestone:
Component: General Version:
Keywords: Drupal Cc: wim.leers@…


Resize handler does not work on mobile browsers. Tested both on Android and iOS.

Change History (10)

comment:1 Changed 8 years ago by Marek Lewandowski

Status: newconfirmed

comment:2 Changed 8 years ago by Marek Lewandowski

Related issue in Drupal tracker: #2716747.

comment:3 Changed 8 years ago by Wim Leers

Cc: wim.leers@… added
Keywords: Drupal added

comment:4 Changed 7 years ago by Tade0

Owner: set to Tade0
Status: confirmedreview

Added touch support for resizing.

Also did some major refactoring since the resize plugin in its current form does not pass style checks.

Changes pushed to branch:t/14619.

comment:5 Changed 7 years ago by Tomasz Jakut

Milestone: CKEditor 4.6.0
Status: reviewpending

Although the resizing is now working, it's almost impossible to touch exactly on the drag handler. Only after maximal zooming in I was able to put my finger on it and resize the editor. It's like 1/30 tries were successful.

I'm also not sure if we shouldn't add `touch-action` to handler's CSS. Without this property starting a touch on handler when the page is zoomed in could cause a page scroll.

The browser is also complaining about actual performance of our current solution. I got ~12 errors like that:

Handling of 'touchmove' input event was delayed for 110 ms due to main thread being busy. Consider marking event handler as 'passive' to make the page more responive.

Probably it could be nice if we can address these issues in some way (throttling resize on our side?).

I'm not sure what to do with the current solution. It's working, but the problem now is how it's working. For me it's unusable in terms of UX. To be honest, for the first 15 minutes of dealing with it I was pretty sure that it still didn't work – the handler is so hard to tap. I think we should think how to improve the UX before saying that resizing is possible on mobile devices.

From other news: I've fixed tags for manual test and rebased branch to major.

comment:6 Changed 7 years ago by Marek Lewandowski

Status: pendingconfirmed

I agree that there's no point in adding a fix if it's not usable in real cases.

How much work would it require to implement it correctly?

comment:7 Changed 7 years ago by Tade0

It depends on the solution.

I think a vertical pinch-out would be great here(shouldn't be hard to implement), but its major disadvantage is that it's not obvious, since there's already an action connected with a similar gesture.

comment:8 Changed 7 years ago by Tade0

Enlarging the resizer didn't help much, so I'll have to find another way to solve this problem.

comment:9 Changed 7 years ago by Marek Lewandowski

Milestone: CKEditor 4.6.0CKEditor 4.6.1

comment:10 Changed 7 years ago by Marek Lewandowski

Milestone: CKEditor 4.6.1

Droping from the milestone, we'll reconsider this issue if it's truly required by the community.

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