зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1569701 Part 2 - Use ColumnSetWrapper's effective computed content block-size to impose constraint for ColumnSet. r=dbaron
Run broken-column-rule-1.html with column-span enabled because it was regressed by Bug 1548100 Part 2, but fixed by this patch. Differential Revision: https://phabricator.services.mozilla.com/D41907 --HG-- extra : moz-landing-system : lando
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Ting-Yu Lin
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0bc5f5330e
Коммит
206960605d
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@ -575,4 +575,4 @@ pref(layout.css.resizeobserver.enabled,true) load 1548057.html
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pref(layout.css.column-span.enabled,true) load 1549867.html
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load 1553874.html
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load 1560328.html
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pref(layout.css.column-span.enabled,true) load 1566672.html
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asserts(1-1) pref(layout.css.column-span.enabled,true) load 1566672.html # bug 1573759
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@ -3580,14 +3580,16 @@ void nsBlockFrame::ReflowBlockFrame(BlockReflowInput& aState,
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availSize.BSize(wm) -= aState.BorderPadding().BEnd(wm);
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}
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// Bug 1569701: We need to use GetEffectiveComputedBSize() to get
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// correct block-size if ColumnSetWrapper is fragmented.
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nscoord contentBSize = aState.mReflowInput.ComputedBSize();
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if (aState.mReflowInput.ComputedMaxBSize() != NS_UNCONSTRAINEDSIZE) {
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contentBSize =
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std::min(contentBSize, aState.mReflowInput.ComputedMaxBSize());
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}
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if (contentBSize != NS_UNCONSTRAINEDSIZE) {
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// To get the remaining content block-size, subtract the content
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// block-size consumed by our previous continuations.
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contentBSize -= aState.mConsumedBSize;
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// ColumnSet is not the outermost frame in the column container, so it
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// cannot have any margin. We don't need to consider any margin that
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// can be generated by "box-decoration-break: clone" as we do in
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@ -938,15 +938,6 @@ nsColumnSetFrame::ColumnBalanceData nsColumnSetFrame::ReflowChildren(
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// edge of the multicol container.
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contentSize.BSize(wm) =
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std::max(contentSize.BSize(wm), aReflowInput.AvailableBSize());
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// But don't consume more block-size than what is left in the
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// ColumnSetWrapper.
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//
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// Bug 1569701: If we use the effective computed block-size of
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// ColumnSetWrapper when creating BlockReflowInput for ColumnSet, the
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// available block-size should always less than or equal to the effective
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// computed block-size. This std::min() won't be needed.
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contentSize.BSize(wm) = std::min(contentSize.BSize(wm), computedBSize);
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}
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} else {
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// Apply computed and min/max values
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@ -1,3 +1,9 @@
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== broken-column-rule-1.html broken-column-rule-1-ref.html
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== moz-multicol3-column-balancing-break-inside-avoid-1.html moz-multicol3-column-balancing-break-inside-avoid-1-ref.html
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== multicol-height-002.xht reference/multicol-height-002.xht
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# The following lines are duplicates of other lines from further up in this
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# manifest. They're listed again here so we can re-run these tests with
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# column-span enabled. These lines can be removed once the pref becomes
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# default-enabled (Bug 1426010).
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pref(layout.css.column-span.enabled,true) == broken-column-rule-1.html broken-column-rule-1-ref.html
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@ -0,0 +1,2 @@
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[multicol-rule-nested-balancing-003.html]
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prefs: [layout.css.column-span.enabled:true]
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@ -0,0 +1,41 @@
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<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<title>CSS Multi-column Layout Test Reference: Test the column rules' block-size with nested balancing multicol container</title>
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<link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
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<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
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<style>
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.outer {
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column-count: 2;
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column-rule: 6px solid black;
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column-fill: auto;
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width: 400px;
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height: 250px;
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}
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.inner {
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column-count: 2;
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column-rule: 3px solid gray;
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column-fill: auto;
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height: 200px;
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}
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.inner-block {
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background-color: lightblue;
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height: 400px;
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}
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.space {
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height: 50px;
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}
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</style>
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<article class="outer">
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<article class="inner">
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<div class="inner-block"></div>
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</article>
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<div class="space"></div>
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<article class="inner">
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<div class="inner-block"></div>
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</article>
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<div class="space"></div>
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</article>
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</html>
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@ -0,0 +1,36 @@
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<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<title>CSS Multi-column Layout Test: Test the column rules' block-size with nested balancing multicol container</title>
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<link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
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<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
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<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#cf">
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<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-gaps-and-rules">
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<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2309">
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<link rel="match" href="multicol-rule-nested-balancing-003-ref.html">
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<meta name="assert" content="This test verifies that the column-rules are extended to the content block-end edges of their corresponding inner and outer multicol container.">
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<style>
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.outer {
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column-count: 2;
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column-rule: 6px solid black;
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width: 400px;
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height: 250px;
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}
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.inner {
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column-count: 2;
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column-rule: 3px solid gray;
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height: 400px;
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}
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.inner-block {
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background-color: lightblue;
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height: 800px;
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}
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</style>
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<article class="outer">
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<article class="inner">
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<div class="inner-block"></div>
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</article>
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</article>
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</html>
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