tree 931c4acafd5917a68509c241b8019b3920ecfb11
parent 52ff012713e74bc3a0dac1952284f8067b4f6da9
author dbates@webkit.org <dbates@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1585859612 +0000
committer dbates@webkit.org <dbates@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1585859612 +0000

Traverse float descendants when computing event and touch-action regions
https://bugs.webkit.org/show_bug.cgi?id=209896
<rdar://problem/61196287>

Reviewed by Antti Koivisto.

Source/WebCore:

Consider floating objects when computing the event region and touch-action region.
For touch-action hit testing this means that CSS touch-action is honored on floating
objects.

Tests: fast/scrolling/ios/event-region-float.html
       pointerevents/ios/touch-action-region-float.html

* rendering/RenderBlock.cpp:
(WebCore::RenderBlock::paintObject):

LayoutTests:

Add tests to ensure that floating objects are considered when computing the
event region and touch-action regions. Without this change, event-region-float.html
would not create an event region at all and touch-action-region-float.html
would not list the floating objects with "touch-action: none".

* fast/scrolling/ios/event-region-float-expected.txt: Added.
* fast/scrolling/ios/event-region-float.html: Added.
* pointerevents/ios/touch-action-region-float-expected.txt: Added.
* pointerevents/ios/touch-action-region-float.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@259408 268f45cc-cd09-0410-ab3c-d52691b4dbfc