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4827451a48
Currently, nsMathMLContainerFrame::AttributeChanged always force a reflow. This patch removes that behavior tweaks the following derived classes: - menclose: Don't mark intrinsic size of descendants dirty, since the notation is added around the children, only affecting the element's metrics. - mfrac: Don't mark intrinsic size dirty for the linethickness attribute, since it only affects vertical metrics. - mo: Rebuild 'automatic' data and relayout the entire embellished operator hierarchy for all operator properties. I haven't checked the details of the MathML 'automatic' data, so it may be a bit too aggressive. But at least a reflow is necessary. - mspace/mpadded: Only mark intrinsic size dirty for the element and ancestors, and only for attributes affecting vertical metrics. Also remove `InvalidateFrame()` call since we don't have any display item. - mtable: Don't force reflow or data rebuild when displaystyle changes. This was probably needed before displaystyle was re-implemented as an attribute mapped to the math-style CSS property. There is at least one dynamic test for each of the MathML attributes affecting layout and they don't regress after this patch: https://bugzilla.mozilla.org/show_bug.cgi?id=1918308#c0 Differential Revision: https://phabricator.services.mozilla.com/D221925 |
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| .. | ||
| tests | ||
| jar.mn | ||
| mathfont.properties | ||
| mathfontSTIXGeneral.properties | ||
| mathfontUnicode.properties | ||
| mathml.css | ||
| moz.build | ||
| nsIMathMLFrame.h | ||
| nsMathMLAtoms.h | ||
| nsMathMLChar.cpp | ||
| nsMathMLChar.h | ||
| nsMathMLContainerFrame.cpp | ||
| nsMathMLContainerFrame.h | ||
| nsMathMLFrame.cpp | ||
| nsMathMLFrame.h | ||
| nsMathMLmencloseFrame.cpp | ||
| nsMathMLmencloseFrame.h | ||
| nsMathMLmfracFrame.cpp | ||
| nsMathMLmfracFrame.h | ||
| nsMathMLmmultiscriptsFrame.cpp | ||
| nsMathMLmmultiscriptsFrame.h | ||
| nsMathMLmoFrame.cpp | ||
| nsMathMLmoFrame.h | ||
| nsMathMLmpaddedFrame.cpp | ||
| nsMathMLmpaddedFrame.h | ||
| nsMathMLmrootFrame.cpp | ||
| nsMathMLmrootFrame.h | ||
| nsMathMLmrowFrame.cpp | ||
| nsMathMLmrowFrame.h | ||
| nsMathMLmspaceFrame.cpp | ||
| nsMathMLmspaceFrame.h | ||
| nsMathMLmsqrtFrame.cpp | ||
| nsMathMLmsqrtFrame.h | ||
| nsMathMLmtableFrame.cpp | ||
| nsMathMLmtableFrame.h | ||
| nsMathMLmunderoverFrame.cpp | ||
| nsMathMLmunderoverFrame.h | ||
| nsMathMLOperators.cpp | ||
| nsMathMLOperators.h | ||
| nsMathMLParts.h | ||
| nsMathMLTokenFrame.cpp | ||
| nsMathMLTokenFrame.h | ||
| operatorDictionary.xsl | ||
| updateOperatorDictionary.pl | ||