[webkit-changes] [WebKit/WebKit] 30fbab: [IFC][margin-trim] Discard inline-start/end margin...

[Alan Baradlay]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 30fbab6f895ff60593008ee4996d79a4d8976cda
      https://github.com/WebKit/WebKit/commit/30fbab6f895ff60593008ee4996d79a4d8976cda
  Author: Alan Baradlay <zalan at apple.com>
  Date:   2023-09-04 (Mon, 04 Sep 2023)

  Changed paths:
    M Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp
    M Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp
    M Source/WebCore/layout/layouttree/LayoutBoxGeometry.h

  Log Message:
  -----------
  [IFC][margin-trim] Discard inline-start/end margin of an inline-start/end float adjacent to root box's inner edge.
https://bugs.webkit.org/show_bug.cgi?id=261070

Reviewed by Antti Koivisto.

This is in preparation for supporting inline-start/end margin trimming of float boxes.

* LayoutTests/imported/w3c/web-platform-tests/css/css-box/margin-trim/block-container-trimmed-margin-allows-right-positioned-float-overconstraining-line-box-to-fit.html:
* Source/WebCore/layout/formattingContexts/inline/InlineFormattingContext.cpp:
(WebCore::Layout::InlineFormattingContext::createDisplayContentForLine):
* Source/WebCore/layout/formattingContexts/inline/InlineLineBuilder.cpp:
(WebCore::Layout::LineBuilder::tryPlacingFloatBox):
* Source/WebCore/layout/layouttree/LayoutBoxGeometry.h:
(WebCore::Layout::BoxGeometry::setMarginStart):
(WebCore::Layout::BoxGeometry::setMarginEnd):

Canonical link: https://commits.webkit.org/267609@main