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Issue #2499 - Part 2: Fix overflow shorthand serialization for mixed clip values

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This commit is contained in:
MeladJM 2025-07-06 05:56:06 +08:00 • committed by roytam1
commit 205ea844f4
2 changed files with 14 additions and 23 deletions
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10
layout/style/Declaration.cpp
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@ -1086,6 +1086,16 @@ Declaration::GetPropertyValueInternal(
if (*xValue == *yValue) {
xValue->AppendToString(eCSSProperty_overflow_x, aValue, aSerialization);
} else {
// Check if either value is clip - if so, shorthand cannot be serialized
if (xValue->GetUnit() == eCSSUnit_Enumerated && yValue->GetUnit() == eCSSUnit_Enumerated) {
int32_t xVal = xValue->GetIntValue();
int32_t yVal = yValue->GetIntValue();
if (xVal == NS_STYLE_OVERFLOW_CLIP || yVal == NS_STYLE_OVERFLOW_CLIP) {
// When clip is mixed with other values, shorthand cannot be serialized
aValue.Truncate();
break;
}
}
xValue->AppendToString(eCSSProperty_overflow_x, aValue, aSerialization);
aValue.Append(char16_t(' '));
yValue->AppendToString(eCSSProperty_overflow_y, aValue, aSerialization);