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<title>[165991] trunk</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/165991">165991</a></dd>
<dt>Author</dt> <dd>hyatt@apple.com</dd>
<dt>Date</dt> <dd>2014-03-20 13:26:28 -0700 (Thu, 20 Mar 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>[New Multicolumn] getClientRects returns wrong rectangle
https://bugs.webkit.org/show_bug.cgi?id=128614
Reviewed by Sam Weinig.
Added fast/multicol/newmulticol/client-rects.html and beefed up existing
fast/multicol/client-rects.html to use more writing modes.
Source/WebCore:
* rendering/LayoutState.h:
Removed unused function.
* rendering/RenderFlowThread.h:
Make mapFlowToRegion virtual so that RenderMultiColumnFlowThread can
override it.
* rendering/RenderMultiColumnFlowThread.cpp:
(WebCore::RenderMultiColumnFlowThread::mapFromFlowToRegion):
* rendering/RenderMultiColumnFlowThread.h:
Implement mapFlowToRegion to correctly translate a flow thread position
into a column offset within a region.
* rendering/RenderMultiColumnSet.cpp:
(WebCore::RenderMultiColumnSet::columnTranslationForOffset):
(WebCore::RenderMultiColumnSet::adjustRegionBoundsFromFlowThreadPortionRect):
* rendering/RenderMultiColumnSet.h:
Refactored some code to make a columnTranslationForOffset helper that
can be used by RenderMultiColumnFlowThread.
LayoutTests:
* fast/multicol/client-rects.html:
* fast/multicol/newmulticol/client-rects-expected.html: Added.
* fast/multicol/newmulticol/client-rects.html: Added.
* platform/mac/fast/multicol/client-rects-expected.png:
* platform/mac/fast/multicol/client-rects-expected.txt:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsfastmulticolclientrectshtml">trunk/LayoutTests/fast/multicol/client-rects.html</a></li>
<li><a href="#trunkLayoutTestsplatformmacfastmulticolclientrectsexpectedpng">trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.png</a></li>
<li><a href="#trunkLayoutTestsplatformmacfastmulticolclientrectsexpectedtxt">trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorerenderingLayoutStateh">trunk/Source/WebCore/rendering/LayoutState.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderFlowThreadh">trunk/Source/WebCore/rendering/RenderFlowThread.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderMultiColumnFlowThreadcpp">trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderMultiColumnFlowThreadh">trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderMultiColumnSetcpp">trunk/Source/WebCore/rendering/RenderMultiColumnSet.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderMultiColumnSeth">trunk/Source/WebCore/rendering/RenderMultiColumnSet.h</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastmulticolnewmulticolclientrectshtml">trunk/LayoutTests/fast/multicol/newmulticol/client-rects.html</a></li>
<li>trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/</li>
<li><a href="#trunkLayoutTestsplatformmacfastmulticolnewmulticolclientrectsexpectedpng">trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.png</a></li>
<li><a href="#trunkLayoutTestsplatformmacfastmulticolnewmulticolclientrectsexpectedtxt">trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.txt</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/LayoutTests/ChangeLog        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -1,3 +1,19 @@
</span><ins>+2014-03-20 David Hyatt <hyatt@apple.com>
+
+ [New Multicolumn] getClientRects returns wrong rectangle
+ https://bugs.webkit.org/show_bug.cgi?id=128614
+
+ Reviewed by Sam Weinig.
+
+ Added fast/multicol/newmulticol/client-rects.html and beefed up existing
+ fast/multicol/client-rects.html to use more writing modes.
+
+ * fast/multicol/client-rects.html:
+ * fast/multicol/newmulticol/client-rects-expected.html: Added.
+ * fast/multicol/newmulticol/client-rects.html: Added.
+ * platform/mac/fast/multicol/client-rects-expected.png:
+ * platform/mac/fast/multicol/client-rects-expected.txt:
+
</ins><span class="cx"> 2014-03-19 Oliver Hunt <oliver@apple.com>
</span><span class="cx">
</span><span class="cx"> Incorrect behavior when mutating a typed array during set.
</span></span></pre></div>
<a id="trunkLayoutTestsfastmulticolclientrectshtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/multicol/client-rects.html (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/multicol/client-rects.html        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/LayoutTests/fast/multicol/client-rects.html        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -1,18 +1,20 @@
</span><span class="cx"> <style>
</span><span class="cx"> div.columns {
</span><del>- height: 50px;
- width: 110px;
- margin: 10px 0;
- padding: 10px;
</del><ins>+ display:inline-block;
+ -webkit-logical-height: 50px;
+ -webkit-logical-width: 100px;
+ -webkit-margin-before: 10px;
+ -webkit-margin-after: 10px;
+ padding: 5px;
</ins><span class="cx"> border: solid black;
</span><span class="cx"> font-family: ahem;
</span><span class="cx"> font-size: 25px;
</span><span class="cx"> color: lightblue;
</span><span class="cx"> -webkit-columns: 2;
</span><del>- -webkit-column-gap: 10px;
</del><ins>+ -webkit-column-gap: 5px;
</ins><span class="cx"> -webkit-column-fill: auto;
</span><span class="cx"> columns: 2;
</span><del>- column-gap: 10px;
</del><ins>+ column-gap: 5px;
</ins><span class="cx"> column-fill: auto;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -32,6 +34,9 @@
</span><span class="cx"> input[type="range"]::-webkit-slider-thumb {
</span><span class="cx"> -webkit-appearance: none;
</span><span class="cx"> }
</span><ins>+
+ .vertical { -webkit-writing-mode: vertical-lr; }
+ .vertical.flipped { -webkit-writing-mode: vertical-rl; }
</ins><span class="cx"> </style>
</span><span class="cx"> <p>
</span><span class="cx"> The blue borders should coincide with light blue squares, like this:
</span><span class="lines">@@ -64,15 +69,66 @@
</span><span class="cx"> <div class="columns">
</span><span class="cx"> <br><div><br><img id="t6" style="width: 25px; height: 25px; background-color: lightblue;"></div>
</span><span class="cx"> </div>
</span><del>-
-<p>
- Except here, where the blue border should be around the bigger slice of the blue square, on the right.
-</p>
-
</del><span class="cx"> <div class="columns">
</span><span class="cx"> <div id="t7" style=" margin-top: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
</span><span class="cx"> </div>
</span><span class="cx">
</span><ins>+<div class="columns vertical" id="t8">
+ <br>x y z
+</div>
+
+<div class="columns vertical">
+ <br><span id="t9">x y z</span>
+</div>
+
+<div class="columns vertical">
+ <br><div id="t10">x y z</div>
+</div>
+
+<div class="columns vertical">
+ <br><div id="t11"><br>y z</div>
+</div>
+
+<div class="columns vertical">
+ <br><div><br><input id="t12" type="range"></div>
+</div>
+
+<div class="columns vertical">
+ <br><div><br><img id="t13" style="width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+<div class="columns vertical">
+ <div id="t14" style=" -webkit-margin-before: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+
+
+<div class="columns vertical flipped" id="t15">
+ <br>x y z
+</div>
+
+<div class="columns vertical flipped">
+ <br><span id="t16">x y z</span>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div id="t17">x y z</div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div id="t18"><br>y z</div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div><br><input id="t19" type="range"></div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div><br><img id="t20" style="width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+<div class="columns vertical flipped">
+ <div id="t21" style="-webkit-margin-before: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+
+
</ins><span class="cx"> <script>
</span><span class="cx"> function placeMarker(clientRect)
</span><span class="cx"> {
</span><span class="lines">@@ -126,4 +182,67 @@
</span><span class="cx"> var div = document.getElementById("t7");
</span><span class="cx"> range.selectNode(div);
</span><span class="cx"> placeMarkersForRange(div);
</span><ins>+
+ var textNode = document.getElementById("t8").firstChild.nextSibling.nextSibling;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t9").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t10").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ var block = document.getElementById("t11");
+ range.selectNode(block);
+ placeMarkersForRange(range, 1);
+
+ var slider = document.getElementById("t12");
+ range.selectNode(slider);
+ placeMarkersForRange(range);
+
+ var image = document.getElementById("t13");
+ range.selectNode(image);
+ placeMarkersForRange(range);
+
+ var div = document.getElementById("t14");
+ range.selectNode(div);
+ placeMarkersForRange(div);
+
+ var textNode = document.getElementById("t15").firstChild.nextSibling.nextSibling;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t16").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t17").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ var block = document.getElementById("t18");
+ range.selectNode(block);
+ placeMarkersForRange(range, 1);
+
+ var slider = document.getElementById("t19");
+ range.selectNode(slider);
+ placeMarkersForRange(range);
+
+ var image = document.getElementById("t20");
+ range.selectNode(image);
+ placeMarkersForRange(range);
+
+ var div = document.getElementById("t21");
+ range.selectNode(div);
+ placeMarkersForRange(div);
+
</ins><span class="cx"> </script>
</span></span></pre></div>
<a id="trunkLayoutTestsfastmulticolnewmulticolclientrectshtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/multicol/newmulticol/client-rects.html (0 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/multicol/newmulticol/client-rects.html         (rev 0)
+++ trunk/LayoutTests/fast/multicol/newmulticol/client-rects.html        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -0,0 +1,254 @@
</span><ins>+<head>
+<script>
+internals.settings.setRegionBasedColumnsEnabled(true)
+</script>
+<style>
+ div.columns {
+ display:inline-block;
+ -webkit-logical-height: 50px;
+ -webkit-logical-width: 100px;
+ -webkit-margin-before: 10px;
+ -webkit-margin-after: 10px;
+ padding: 5px;
+ border: solid black;
+ font-family: ahem;
+ font-size: 25px;
+ color: lightblue;
+ -webkit-columns: 2;
+ -webkit-column-gap: 5px;
+ -webkit-column-fill: auto;
+ columns: 2;
+ column-gap: 5px;
+ column-fill: auto;
+ }
+
+ div.marker {
+ position: absolute;
+ border: solid rgba(0, 0, 255, 0.5);
+ -webkit-box-sizing: border-box;
+ }
+
+ input[type="range"] {
+ -webkit-appearance: none;
+ width: 25px;
+ height: 25px;
+ background-color: lightblue;
+ }
+
+ input[type="range"]::-webkit-slider-thumb {
+ -webkit-appearance: none;
+ }
+
+ .vertical { -webkit-writing-mode: vertical-lr; }
+ .vertical.flipped { -webkit-writing-mode: vertical-rl; }
+
+</style>
+</head>
+<p>
+ The blue borders should coincide with light blue squares, like this:
+ <span style="display: inline-block; background-color: lightblue; border: solid rgba(0, 0, 255, 0.5); width: 19px; height: 19px;"></span>.
+ There should be none of this:
+ <span style="display: inline-block; background-color: lightblue; width: 25px; height: 25px;"></span>
+ or this:
+ <span style="display: inline-block; border: solid rgba(0, 0, 255, 0.5); width: 19px; height: 19px;"></span>.
+</p>
+<div class="columns" id="t1">
+ <br>x y z
+</div>
+
+<div class="columns">
+ <br><span id="t2">x y z</span>
+</div>
+
+<div class="columns">
+ <br><div id="t3">x y z</div>
+</div>
+
+<div class="columns">
+ <br><div id="t4"><br>y z</div>
+</div>
+
+<div class="columns">
+ <br><div><br><input id="t5" type="range"></div>
+</div>
+
+<div class="columns">
+ <br><div><br><img id="t6" style="width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+<div class="columns">
+ <div id="t7" style=" margin-top: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+
+<div class="columns vertical" id="t8">
+ <br>x y z
+</div>
+
+<div class="columns vertical">
+ <br><span id="t9">x y z</span>
+</div>
+
+<div class="columns vertical">
+ <br><div id="t10">x y z</div>
+</div>
+
+<div class="columns vertical">
+ <br><div id="t11"><br>y z</div>
+</div>
+
+<div class="columns vertical">
+ <br><div><br><input id="t12" type="range"></div>
+</div>
+
+<div class="columns vertical">
+ <br><div><br><img id="t13" style="width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+<div class="columns vertical">
+ <div id="t14" style=" -webkit-margin-before: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+
+
+<div class="columns vertical flipped" id="t15">
+ <br>x y z
+</div>
+
+<div class="columns vertical flipped">
+ <br><span id="t16">x y z</span>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div id="t17">x y z</div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div id="t18"><br>y z</div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div><br><input id="t19" type="range"></div>
+</div>
+
+<div class="columns vertical flipped">
+ <br><div><br><img id="t20" style="width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+<div class="columns vertical flipped">
+ <div id="t21" style="-webkit-margin-before: 40px; width: 25px; height: 25px; background-color: lightblue;"></div>
+</div>
+
+
+<script>
+ function placeMarker(clientRect)
+ {
+ var marker = document.body.appendChild(document.createElement("div"));
+ marker.className = "marker";
+ marker.style.left = clientRect.left + "px";
+ marker.style.top = clientRect.top + "px";
+ marker.style.width = clientRect.width + "px";
+ marker.style.height = clientRect.height + "px";
+ }
+
+ function placeMarkersForRange(range, startOffset)
+ {
+ if (startOffset === undefined)
+ startOffset = 0;
+
+ var clientRects = range.getClientRects();
+ for (var i = startOffset; i < clientRects.length; ++i)
+ placeMarker(clientRects[i]);
+ }
+
+ var range = document.createRange();
+
+ var textNode = document.getElementById("t1").firstChild.nextSibling.nextSibling;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t2").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t3").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ var block = document.getElementById("t4");
+ range.selectNode(block);
+ placeMarkersForRange(range, 1);
+
+ var slider = document.getElementById("t5");
+ range.selectNode(slider);
+ placeMarkersForRange(range);
+
+ var image = document.getElementById("t6");
+ range.selectNode(image);
+ placeMarkersForRange(range);
+
+ var div = document.getElementById("t7");
+ range.selectNode(div);
+ placeMarkersForRange(div);
+
+ var textNode = document.getElementById("t8").firstChild.nextSibling.nextSibling;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t9").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t10").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ var block = document.getElementById("t11");
+ range.selectNode(block);
+ placeMarkersForRange(range, 1);
+
+ var slider = document.getElementById("t12");
+ range.selectNode(slider);
+ placeMarkersForRange(range);
+
+ var image = document.getElementById("t13");
+ range.selectNode(image);
+ placeMarkersForRange(range);
+
+ var div = document.getElementById("t14");
+ range.selectNode(div);
+ placeMarkersForRange(div);
+
+ var textNode = document.getElementById("t15").firstChild.nextSibling.nextSibling;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t16").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ textNode = document.getElementById("t17").firstChild;
+ range.setStart(textNode, 0);
+ range.setEnd(textNode, 5);
+ placeMarkersForRange(range);
+
+ var block = document.getElementById("t18");
+ range.selectNode(block);
+ placeMarkersForRange(range, 1);
+
+ var slider = document.getElementById("t19");
+ range.selectNode(slider);
+ placeMarkersForRange(range);
+
+ var image = document.getElementById("t20");
+ range.selectNode(image);
+ placeMarkersForRange(range);
+
+ var div = document.getElementById("t21");
+ range.selectNode(div);
+ placeMarkersForRange(div);
+
+</script>
</ins></span></pre></div>
<a id="trunkLayoutTestsplatformmacfastmulticolclientrectsexpectedpng"></a>
<div class="binary"><h4>Modified: trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.png</h4>
<pre class="diff"><span>
<span class="cx">(Binary files differ)
</span></span></pre></div>
<a id="trunkLayoutTestsplatformmacfastmulticolclientrectsexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.txt (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.txt        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/LayoutTests/platform/mac/fast/multicol/client-rects-expected.txt        2014-03-20 20:26:28 UTC (rev 165991)
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<a id="trunkLayoutTestsplatformmacfastmulticolnewmulticolclientrectsexpectedpng"></a>
<div class="binary"><h4>Added: trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.png</h4>
<pre class="diff"><span>
<span class="cx">(Binary files differ)
</span></span></pre></div>
<span class="cx">Property changes on: trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.png
</span><span class="cx">___________________________________________________________________
</span><a id="svnmimetype"></a>
<div class="addfile"><h4>Added: svn:mime-type</h4></div>
<a id="trunkLayoutTestsplatformmacfastmulticolnewmulticolclientrectsexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.txt (0 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.txt         (rev 0)
+++ trunk/LayoutTests/platform/mac/fast/multicol/newmulticol/client-rects-expected.txt        2014-03-20 20:26:28 UTC (rev 165991)
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+ RenderBlock (positioned) {DIV} at (676,203) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (26,271) size 25x25
+ RenderBlock (positioned) {DIV} at (26,271) size 25x25 [border: (3px solid #0000FF7F)]
+layer at (51,323) size 25x26
+ RenderBlock (positioned) {DIV} at (51,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (26,323) size 25x26
+ RenderBlock (positioned) {DIV} at (26,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (115,271) size 25x25
+ RenderBlock (positioned) {DIV} at (115,271) size 25x25 [border: (3px solid #0000FF7F)]
+layer at (140,323) size 25x26
+ RenderBlock (positioned) {DIV} at (140,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (115,323) size 25x26
+ RenderBlock (positioned) {DIV} at (115,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (206,271) size 25x25
+ RenderBlock (positioned) {DIV} at (206,271) size 25x25 [border: (3px solid #0000FF7F)]
+layer at (231,323) size 25x26
+ RenderBlock (positioned) {DIV} at (231,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (206,323) size 25x26
+ RenderBlock (positioned) {DIV} at (206,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (321,323) size 25x26
+ RenderBlock (positioned) {DIV} at (321,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (296,323) size 25x26
+ RenderBlock (positioned) {DIV} at (296,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (409,325) size 25x26
+ RenderBlock (positioned) {DIV} at (409,325) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (501,323) size 25x26
+ RenderBlock (positioned) {DIV} at (501,323) size 25x26 [border: (3px solid #0000FF7F)]
+layer at (601,323) size 25x26
+ RenderBlock (positioned) {DIV} at (601,323) size 25x26 [border: (3px solid #0000FF7F)]
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/ChangeLog        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -1,3 +1,33 @@
</span><ins>+2014-03-20 David Hyatt <hyatt@apple.com>
+
+ [New Multicolumn] getClientRects returns wrong rectangle
+ https://bugs.webkit.org/show_bug.cgi?id=128614
+
+ Reviewed by Sam Weinig.
+
+ Added fast/multicol/newmulticol/client-rects.html and beefed up existing
+ fast/multicol/client-rects.html to use more writing modes.
+
+ * rendering/LayoutState.h:
+ Removed unused function.
+
+ * rendering/RenderFlowThread.h:
+ Make mapFlowToRegion virtual so that RenderMultiColumnFlowThread can
+ override it.
+
+ * rendering/RenderMultiColumnFlowThread.cpp:
+ (WebCore::RenderMultiColumnFlowThread::mapFromFlowToRegion):
+ * rendering/RenderMultiColumnFlowThread.h:
+ Implement mapFlowToRegion to correctly translate a flow thread position
+ into a column offset within a region.
+
+ * rendering/RenderMultiColumnSet.cpp:
+ (WebCore::RenderMultiColumnSet::columnTranslationForOffset):
+ (WebCore::RenderMultiColumnSet::adjustRegionBoundsFromFlowThreadPortionRect):
+ * rendering/RenderMultiColumnSet.h:
+ Refactored some code to make a columnTranslationForOffset helper that
+ can be used by RenderMultiColumnFlowThread.
+
</ins><span class="cx"> 2014-03-20 Daniel Bates <dabates@apple.com>
</span><span class="cx">
</span><span class="cx"> Preserve original document URL for XSSAuditor reports
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingLayoutStateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/LayoutState.h (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/LayoutState.h        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/LayoutState.h        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -99,8 +99,6 @@
</span><span class="cx"> void propagateLineGridInfo(RenderBox*);
</span><span class="cx"> void establishLineGrid(RenderBlockFlow*);
</span><span class="cx">
</span><del>- void computeLineGridPaginationOrigin(RenderBox*);
-
</del><span class="cx"> public:
</span><span class="cx"> // Do not add anything apart from bitfields until after m_columnInfo. See https://bugs.webkit.org/show_bug.cgi?id=100173
</span><span class="cx"> bool m_clipped : 1;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderFlowThreadh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderFlowThread.h (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderFlowThread.h        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/RenderFlowThread.h        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -107,7 +107,7 @@
</span><span class="cx"> bool regionsHaveUniformLogicalWidth() const { return m_regionsHaveUniformLogicalWidth; }
</span><span class="cx"> bool regionsHaveUniformLogicalHeight() const { return m_regionsHaveUniformLogicalHeight; }
</span><span class="cx">
</span><del>- RenderRegion* mapFromFlowToRegion(TransformState&) const;
</del><ins>+ virtual RenderRegion* mapFromFlowToRegion(TransformState&) const;
</ins><span class="cx">
</span><span class="cx"> void removeRenderBoxRegionInfo(RenderBox*);
</span><span class="cx"> void logicalWidthChangedInRegionsForBlock(const RenderBlock*, bool&);
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderMultiColumnFlowThreadcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.cpp (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.cpp        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.cpp        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx">
</span><span class="cx"> #include "LayoutState.h"
</span><span class="cx"> #include "RenderMultiColumnSet.h"
</span><ins>+#include "TransformState.h"
</ins><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="cx">
</span><span class="lines">@@ -173,4 +174,41 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+RenderRegion* RenderMultiColumnFlowThread::mapFromFlowToRegion(TransformState& transformState) const
+{
+ if (!hasValidRegionInfo())
+ return nullptr;
+
+ // Get back into our local flow thread space.
+ LayoutRect boxRect = transformState.mappedQuad().enclosingBoundingBox();
+ flipForWritingMode(boxRect);
+
+ // FIXME: We need to refactor RenderObject::absoluteQuads to be able to split the quads across regions,
+ // for now we just take the center of the mapped enclosing box and map it to a column.
+ LayoutPoint center = boxRect.center();
+ LayoutUnit centerOffset = isHorizontalWritingMode() ? center.y() : center.x();
+ RenderRegion* renderRegion = const_cast<RenderMultiColumnFlowThread*>(this)->regionAtBlockOffset(this, centerOffset, true, DisallowRegionAutoGeneration);
+ if (!renderRegion)
+ return nullptr;
+
+ // Now that we know which multicolumn set we hit, we need to get the appropriate translation offset for the column.
+ RenderMultiColumnSet* columnSet = toRenderMultiColumnSet(renderRegion);
+ LayoutPoint translationOffset = columnSet->columnTranslationForOffset(centerOffset);
+
+ // Now we know how we want the rect to be translated into the region.
+ LayoutRect flippedRegionRect(renderRegion->flowThreadPortionRect());
+ if (isHorizontalWritingMode())
+ flippedRegionRect.setHeight(columnSet->computedColumnHeight());
+ else
+ flippedRegionRect.setWidth(columnSet->computedColumnHeight());
+ flipForWritingMode(flippedRegionRect);
+
+ flippedRegionRect.moveBy(-translationOffset);
+
+ // There is an additional offset to apply, which is the offset of the region within the multi-column space.
+ transformState.move(renderRegion->contentBoxRect().location() - flippedRegionRect.location());
+
+ return renderRegion;
</ins><span class="cx"> }
</span><ins>+
+}
</ins></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderMultiColumnFlowThreadh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.h (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.h        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/RenderMultiColumnFlowThread.h        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -63,6 +63,8 @@
</span><span class="cx">
</span><span class="cx"> virtual void computeLineGridPaginationOrigin(LayoutState&) const override;
</span><span class="cx">
</span><ins>+ virtual RenderRegion* mapFromFlowToRegion(TransformState&) const override;
+
</ins><span class="cx"> private:
</span><span class="cx"> virtual const char* renderName() const override;
</span><span class="cx"> virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderMultiColumnSetcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderMultiColumnSet.cpp (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderMultiColumnSet.cpp        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/RenderMultiColumnSet.cpp        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -655,10 +655,9 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void RenderMultiColumnSet::adjustRegionBoundsFromFlowThreadPortionRect(const LayoutPoint& layerOffset, LayoutRect& regionBounds)
</del><ins>+LayoutPoint RenderMultiColumnSet::columnTranslationForOffset(const LayoutUnit& offset) const
</ins><span class="cx"> {
</span><del>- LayoutUnit layerLogicalTop = isHorizontalWritingMode() ? layerOffset.y() : layerOffset.x();
- unsigned startColumn = columnIndexAtOffset(layerLogicalTop);
</del><ins>+ unsigned startColumn = columnIndexAtOffset(offset);
</ins><span class="cx">
</span><span class="cx"> LayoutUnit colGap = columnGap();
</span><span class="cx"> LayoutUnit colLogicalWidth = computedColumnWidth();
</span><span class="lines">@@ -694,13 +693,17 @@
</span><span class="cx">
</span><span class="cx"> if (!isHorizontalWritingMode())
</span><span class="cx"> translationOffset = translationOffset.transposedPoint();
</span><del>-
</del><ins>+
</ins><span class="cx"> // FIXME: The translation needs to include the multicolumn set's content offset within the
</span><span class="cx"> // multicolumn block as well. This won't be an issue until we start creating multiple multicolumn sets.
</span><del>-
- regionBounds.moveBy(roundedIntPoint(-translationOffset));
</del><ins>+ return translationOffset;
</ins><span class="cx"> }
</span><span class="cx">
</span><ins>+void RenderMultiColumnSet::adjustRegionBoundsFromFlowThreadPortionRect(const LayoutPoint& layerOffset, LayoutRect& regionBounds)
+{
+ regionBounds.moveBy(roundedIntPoint(-columnTranslationForOffset(isHorizontalWritingMode() ? layerOffset.y() : layerOffset.x())));
+}
+
</ins><span class="cx"> void RenderMultiColumnSet::addOverflowFromChildren()
</span><span class="cx"> {
</span><span class="cx"> // FIXME: Need to do much better here.
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderMultiColumnSeth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderMultiColumnSet.h (165990 => 165991)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderMultiColumnSet.h        2014-03-20 20:03:49 UTC (rev 165990)
+++ trunk/Source/WebCore/rendering/RenderMultiColumnSet.h        2014-03-20 20:26:28 UTC (rev 165991)
</span><span class="lines">@@ -82,6 +82,8 @@
</span><span class="cx">
</span><span class="cx"> void prepareForLayout();
</span><span class="cx">
</span><ins>+ LayoutPoint columnTranslationForOffset(const LayoutUnit&) const;
+
</ins><span class="cx"> protected:
</span><span class="cx"> void addOverflowFromChildren() override;
</span><span class="cx">
</span></span></pre>
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