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Bug 1654044 - Carry mTreatBSizeAsIndefinite flag from scroll frame to scrolled inner frame (-moz-scrolled-content). r=dholbert 

Differential Revision: https://phabricator.services.mozilla.com/D122038
This commit is contained in:
Ting-Yu Lin 2021-08-10 18:33:38 +00:00
Родитель 7fab020763
Коммит 0141546f03
3 изменённых файлов: 135 добавлений и 0 удалений
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2
layout/generic/nsGfxScrollFrame.cpp
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@ -734,6 +734,8 @@ void nsHTMLScrollFrame::ReflowScrolledFrame(ScrollReflowInput* aState,
Some(padding.ConvertTo(kidWM, wm)));
kidReflowInput.mFlags.mAssumingHScrollbar = aAssumeHScroll;
kidReflowInput.mFlags.mAssumingVScrollbar = aAssumeVScroll;
kidReflowInput.mFlags.mTreatBSizeAsIndefinite =
aState->mReflowInput.mFlags.mTreatBSizeAsIndefinite;
kidReflowInput.SetComputedBSize(computedBSize);
kidReflowInput.ComputedMinBSize() = computedMinBSize;
kidReflowInput.ComputedMaxBSize() = computedMaxBSize;

64
testing/web-platform/tests/css/css-flexbox/percentage-heights-015-ref.html Normal file
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@ -0,0 +1,64 @@
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Flexbox Reference: Test the percentage resolution of a child in a flex item that has an indefinite main size</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<style>
.container {
display: inline-block;
width: 100px;
vertical-align: top;
}
.item {
height: 200px;
background: red;
width: 100px;
}
.child {
background: green
}
.tall {
height: 250px;
}
</style>
<p>You should not see any red (except perhaps as the background of a vertical scrollbar)</p>
<div class="container">
<div class="item" style="overflow:hidden">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:auto">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:scroll">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:visible">
<div class="child" >
<div class="tall"></div>
</div>
</div>
</div>
</html>

69
testing/web-platform/tests/css/css-flexbox/percentage-heights-015.html Normal file
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@ -0,0 +1,69 @@
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Flexbox Test: Test the percentage resolution of a child in a flex item that has an indefinite main size</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#definite-sizes">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1654044">
<link rel="match" href="percentage-heights-015-ref.html">
<style>
.container {
display: inline-flex;
flex-direction: column;
width: 100px;
max-height: 200px;
}
.item {
min-height: 0px;
background: red;
width: 100px;
}
.child {
height: 50%;
background: green
}
.tall {
height: 250px;
}
</style>
<p>You should not see any red (except perhaps as the background of a vertical scrollbar)</p>
<div class="container">
<div class="item" style="overflow:hidden">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:auto">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:scroll">
<div class="child">
<div class="tall"></div>
</div>
</div>
</div>
<div class="container">
<div class="item" style="overflow:visible">
<div class="child" >
<div class="tall"></div>
</div>
</div>
</div>
</html>