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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/194461">194461</a></dd>
<dt>Author</dt> <dd>zalan@apple.com</dd>
<dt>Date</dt> <dd>2015-12-31 11:27:58 -0800 (Thu, 31 Dec 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Simple line layout: Nested block with pseudo first-line parent should bail out of simple line layout.
https://bugs.webkit.org/show_bug.cgi?id=152599
Reviewed by Simon Fraser.
We should bail out of simple line layout if any of the ancestors have pseudo first-line style.
(see RenderBlock::firstLineBlock())
Source/WebCore:
Test: fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html
* rendering/SimpleLineLayout.cpp:
(WebCore::SimpleLineLayout::canUseForWithReason):
LayoutTests:
* fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html: Added.
* fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorerenderingSimpleLineLayoutcpp">trunk/Source/WebCore/rendering/SimpleLineLayout.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastblocklinelayoutfirstlineshouldbailoutofsimplelinelayoutexpectedhtml">trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html</a></li>
<li><a href="#trunkLayoutTestsfastblocklinelayoutfirstlineshouldbailoutofsimplelinelayouthtml">trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (194460 => 194461)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2015-12-31 19:17:23 UTC (rev 194460)
+++ trunk/LayoutTests/ChangeLog 2015-12-31 19:27:58 UTC (rev 194461)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2015-12-31 Zalan Bujtas <zalan@apple.com>
+
+ Simple line layout: Nested block with pseudo first-line parent should bail out of simple line layout.
+ https://bugs.webkit.org/show_bug.cgi?id=152599
+
+ Reviewed by Simon Fraser.
+
+ We should bail out of simple line layout if any of the ancestors have pseudo first-line style.
+ (see RenderBlock::firstLineBlock())
+
+ * fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html: Added.
+ * fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html: Added.
+
</ins><span class="cx"> 2015-12-31 Martin Robinson <mrobinson@igalia.com>
</span><span class="cx">
</span><span class="cx"> Mark some tests as failing on WebKitGTK+.
</span></span></pre></div>
<a id="trunkLayoutTestsfastblocklinelayoutfirstlineshouldbailoutofsimplelinelayoutexpectedhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html (0 => 194461)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html (rev 0)
+++ trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout-expected.html 2015-12-31 19:27:58 UTC (rev 194461)
</span><span class="lines">@@ -0,0 +1,21 @@
</span><ins>+<html>
+<head>
+<title>This tests that we properly bail out of simple line layout when first-line pseudo class is present.</title>
+<script>
+ if (window.internals)
+ internals.settings.setSimpleLineLayoutEnabled(false);
+</script>
+<style>
+ .outer::first-line{
+ color: red;
+ }
+
+ div {
+ color : blue;
+ }
+</style>
+</head>
+<body>
+<div class=outer><div><div><div>First line has color red<br> while this second line has color blue.</div></div></div></div>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestsfastblocklinelayoutfirstlineshouldbailoutofsimplelinelayouthtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html (0 => 194461)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html (rev 0)
+++ trunk/LayoutTests/fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html 2015-12-31 19:27:58 UTC (rev 194461)
</span><span class="lines">@@ -0,0 +1,17 @@
</span><ins>+<html>
+<head>
+<title>This tests that we properly bail out of simple line layout when first-line pseudo class is present.</title>
+<style>
+ .outer::first-line{
+ color: red;
+ }
+
+ div {
+ color : blue;
+ }
+</style>
+</head>
+<body>
+<div class=outer><div><div><div>First line has color red<br> while this second line has color blue.</div></div></div></div>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (194460 => 194461)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-12-31 19:17:23 UTC (rev 194460)
+++ trunk/Source/WebCore/ChangeLog 2015-12-31 19:27:58 UTC (rev 194461)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-12-31 Zalan Bujtas <zalan@apple.com>
+
+ Simple line layout: Nested block with pseudo first-line parent should bail out of simple line layout.
+ https://bugs.webkit.org/show_bug.cgi?id=152599
+
+ Reviewed by Simon Fraser.
+
+ We should bail out of simple line layout if any of the ancestors have pseudo first-line style.
+ (see RenderBlock::firstLineBlock())
+
+ Test: fast/block/line-layout/first-line-should-bail-out-of-simple-line-layout.html
+
+ * rendering/SimpleLineLayout.cpp:
+ (WebCore::SimpleLineLayout::canUseForWithReason):
+
</ins><span class="cx"> 2015-12-30 Simon Fraser <simon.fraser@apple.com>
</span><span class="cx">
</span><span class="cx"> Change ScrollView::scrollTo() to take a ScrollPosition
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingSimpleLineLayoutcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/SimpleLineLayout.cpp (194460 => 194461)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/SimpleLineLayout.cpp 2015-12-31 19:17:23 UTC (rev 194460)
+++ trunk/Source/WebCore/rendering/SimpleLineLayout.cpp 2015-12-31 19:27:58 UTC (rev 194461)
</span><span class="lines">@@ -287,7 +287,7 @@
</span><span class="cx"> // Printing does pagination without a flow thread.
</span><span class="cx"> if (flow.document().paginated())
</span><span class="cx"> SET_REASON_AND_RETURN_IF_NEEDED(FlowIsPaginated, reasons, includeReasons);
</span><del>- if (flow.isAnonymous() && flow.firstLineBlock())
</del><ins>+ if (flow.firstLineBlock())
</ins><span class="cx"> SET_REASON_AND_RETURN_IF_NEEDED(FlowHasPseudoFirstLine, reasons, includeReasons);
</span><span class="cx"> if (flow.isAnonymousBlock() && flow.parent()->style().textOverflow())
</span><span class="cx"> SET_REASON_AND_RETURN_IF_NEEDED(FlowHasTextOverflow, reasons, includeReasons);
</span></span></pre>
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