Title: [240652] trunk/Source/WebCore
- Revision
- 240652
- Author
- [email protected]
- Date
- 2019-01-29 06:50:43 -0800 (Tue, 29 Jan 2019)
Log Message
[LFC][BFC][MarginCollapsing] Anonymous block container's margin before does not collapse with previous inflow sibling margin after.
https://bugs.webkit.org/show_bug.cgi?id=193952
Reviewed by Antti Koivisto.
* layout/blockformatting/BlockMarginCollapse.cpp:
(WebCore::Layout::BlockFormattingContext::MarginCollapse::marginBeforeCollapsesWithPreviousSiblingMarginAfter):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (240651 => 240652)
--- trunk/Source/WebCore/ChangeLog 2019-01-29 11:00:43 UTC (rev 240651)
+++ trunk/Source/WebCore/ChangeLog 2019-01-29 14:50:43 UTC (rev 240652)
@@ -1,3 +1,13 @@
+2019-01-29 Zalan Bujtas <[email protected]>
+
+ [LFC][BFC][MarginCollapsing] Anonymous block container's margin before does not collapse with previous inflow sibling margin after.
+ https://bugs.webkit.org/show_bug.cgi?id=193952
+
+ Reviewed by Antti Koivisto.
+
+ * layout/blockformatting/BlockMarginCollapse.cpp:
+ (WebCore::Layout::BlockFormattingContext::MarginCollapse::marginBeforeCollapsesWithPreviousSiblingMarginAfter):
+
2019-01-29 Frederic Wang <[email protected]>
Allow scrolling tree nodes to exist in a detached state
Modified: trunk/Source/WebCore/layout/blockformatting/BlockMarginCollapse.cpp (240651 => 240652)
--- trunk/Source/WebCore/layout/blockformatting/BlockMarginCollapse.cpp 2019-01-29 11:00:43 UTC (rev 240651)
+++ trunk/Source/WebCore/layout/blockformatting/BlockMarginCollapse.cpp 2019-01-29 14:50:43 UTC (rev 240652)
@@ -151,6 +151,9 @@
{
ASSERT(layoutBox.isBlockLevelBox());
+ if (layoutBox.isAnonymous())
+ return false;
+
if (!layoutBox.previousInFlowSibling())
return false;
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