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Issue #2522 - Part 1: Alias small, large, and dynamic viewport units to base viewport

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FranklinDM 2024-03-29 21:25:31 +08:00 • committed by roytam1
commit 5c06335c5b
4 changed files with 81 additions and 7 deletions
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20
layout/style/nsRuleNode.cpp
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@ -511,20 +511,32 @@ static nscoord CalcLengthWith(const nsCSSValue& aValue,
// and allows us not to need an additional code path, in exchange
// for an increased cost to dynamic changes to the viewport size
// when viewport units are in use.
case eCSSUnit_ViewportWidth: {
case eCSSUnit_ViewportWidth:
case eCSSUnit_SmallViewportWidth:
case eCSSUnit_LargeViewportWidth:
case eCSSUnit_DynamicViewportWidth: {
nscoord viewportWidth = CalcViewportUnitsScale(aPresContext).width;
return ScaleViewportCoordTrunc(aValue, viewportWidth);
}
case eCSSUnit_ViewportHeight: {
case eCSSUnit_ViewportHeight:
case eCSSUnit_SmallViewportHeight:
case eCSSUnit_LargeViewportHeight:
case eCSSUnit_DynamicViewportHeight: {
nscoord viewportHeight = CalcViewportUnitsScale(aPresContext).height;
return ScaleViewportCoordTrunc(aValue, viewportHeight);
}
case eCSSUnit_ViewportMin: {
case eCSSUnit_ViewportMin:
case eCSSUnit_SmallViewportMin:
case eCSSUnit_LargeViewportMin:
case eCSSUnit_DynamicViewportMin: {
nsSize vuScale(CalcViewportUnitsScale(aPresContext));
nscoord viewportMin = min(vuScale.width, vuScale.height);
return ScaleViewportCoordTrunc(aValue, viewportMin);
}
case eCSSUnit_ViewportMax: {
case eCSSUnit_ViewportMax:
case eCSSUnit_SmallViewportMax:
case eCSSUnit_LargeViewportMax:
case eCSSUnit_DynamicViewportMax: {
nsSize vuScale(CalcViewportUnitsScale(aPresContext));
nscoord viewportMax = max(vuScale.width, vuScale.height);
return ScaleViewportCoordTrunc(aValue, viewportMax);