Title: [276255] trunk/Source/WebCore
- Revision
- 276255
- Author
- [email protected]
- Date
- 2021-04-19 08:41:44 -0700 (Mon, 19 Apr 2021)
Log Message
[LFC] The layout containment box establishes an absolute positioning containing block and a fixed positioning containing block
https://bugs.webkit.org/show_bug.cgi?id=224754
Reviewed by Antti Koivisto.
https://www.w3.org/TR/css-contain-2/#containment-layout.
"The layout containment box establishes an absolute positioning containing block and a fixed positioning containing block."
* layout/layouttree/LayoutBox.h:
(WebCore::Layout::Box::isContainingBlockForFixedPosition const):
(WebCore::Layout::Box::isContainingBlockForOutOfFlowPosition const):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (276254 => 276255)
--- trunk/Source/WebCore/ChangeLog 2021-04-19 15:21:58 UTC (rev 276254)
+++ trunk/Source/WebCore/ChangeLog 2021-04-19 15:41:44 UTC (rev 276255)
@@ -1,5 +1,20 @@
2021-04-19 Zalan Bujtas <[email protected]>
+ [LFC] The layout containment box establishes an absolute positioning containing block and a fixed positioning containing block
+ https://bugs.webkit.org/show_bug.cgi?id=224754
+
+ Reviewed by Antti Koivisto.
+
+ https://www.w3.org/TR/css-contain-2/#containment-layout.
+
+ "The layout containment box establishes an absolute positioning containing block and a fixed positioning containing block."
+
+ * layout/layouttree/LayoutBox.h:
+ (WebCore::Layout::Box::isContainingBlockForFixedPosition const):
+ (WebCore::Layout::Box::isContainingBlockForOutOfFlowPosition const):
+
+2021-04-19 Zalan Bujtas <[email protected]>
+
[LFC] Layout containment box establishes an independent formatting context
https://bugs.webkit.org/show_bug.cgi?id=224753
Modified: trunk/Source/WebCore/layout/layouttree/LayoutBox.h (276254 => 276255)
--- trunk/Source/WebCore/layout/layouttree/LayoutBox.h 2021-04-19 15:21:58 UTC (rev 276254)
+++ trunk/Source/WebCore/layout/layouttree/LayoutBox.h 2021-04-19 15:41:44 UTC (rev 276255)
@@ -228,12 +228,12 @@
inline bool Box::isContainingBlockForFixedPosition() const
{
- return isInitialContainingBlock() || style().hasTransform();
+ return isInitialContainingBlock() || isLayoutContainmentBox() || style().hasTransform();
}
inline bool Box::isContainingBlockForOutOfFlowPosition() const
{
- return isInitialContainingBlock() || isPositioned() || style().hasTransform();
+ return isInitialContainingBlock() || isPositioned() || isLayoutContainmentBox() || style().hasTransform();
}
}
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