Title: [183149] branches/safari-600.7-branch

Diff

Modified: branches/safari-600.7-branch/LayoutTests/ChangeLog (183148 => 183149)


--- branches/safari-600.7-branch/LayoutTests/ChangeLog	2015-04-22 22:46:13 UTC (rev 183148)
+++ branches/safari-600.7-branch/LayoutTests/ChangeLog	2015-04-22 22:57:29 UTC (rev 183149)
@@ -1,5 +1,23 @@
 2015-04-22  Matthew Hanson  <[email protected]>
 
+        Merge r182835. rdar://problem/20645249
+
+    2015-04-14  Zalan Bujtas  <[email protected]>
+
+            Make inline continuation style change logic consistent.
+            https://bugs.webkit.org/show_bug.cgi?id=143737
+            rdar://problem/20486596
+
+            Reviewed by Simon Fraser.
+
+            Do not force RenderBlock type-casting on the first sibling of the continuation's container.
+            The first sibling of the container of a continuation should be handled as the rest of the siblings.
+
+            * fast/inline/inline-with-column-span-and-remove-block-child-crash-expected.txt: Added.
+            * fast/inline/inline-with-column-span-and-remove-block-child-crash.html: Added.
+
+2015-04-22  Matthew Hanson  <[email protected]>
+
         Merge r181656. rdar://problem/20545362
 
     2015-03-17  Timothy Horton  <[email protected]>

Added: branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash-expected.txt (0 => 183149)


--- branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash-expected.txt	                        (rev 0)
+++ branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash-expected.txt	2015-04-22 22:57:29 UTC (rev 183149)
@@ -0,0 +1,2 @@
+Pass if no crash or assert in debug.
+

Added: branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash.html (0 => 183149)


--- branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash.html	                        (rev 0)
+++ branches/safari-600.7-branch/LayoutTests/fast/inline/inline-with-column-span-and-remove-block-child-crash.html	2015-04-22 22:57:29 UTC (rev 183149)
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>This test that when the block element is removed from an inline element when column span is present, we do not crash.</title>
+  <style>
+    #container {
+      -webkit-column-count: 2; 
+    }
+    #after {
+      -webkit-column-span: all;
+    }
+  </style>
+</head>
+<body>
+<div id=container>
+  <span id=outer>Pass if no crash or assert in debug.
+    <div id=removethis></div>
+  </span>
+  <div id=after></div>
+</div>
+</body>
+
+<script>
+  if (window.testRunner)
+    testRunner.dumpAsText();
+
+  document.execCommand("SelectAll");
+
+  var elem = document.getElementById("removethis");
+  elem.parentNode.removeChild(elem);
+
+  document.getElementById("outer").style.position = "relative";
+</script>
+</html>

Modified: branches/safari-600.7-branch/Source/WebCore/ChangeLog (183148 => 183149)


--- branches/safari-600.7-branch/Source/WebCore/ChangeLog	2015-04-22 22:46:13 UTC (rev 183148)
+++ branches/safari-600.7-branch/Source/WebCore/ChangeLog	2015-04-22 22:57:29 UTC (rev 183149)
@@ -1,5 +1,26 @@
 2015-04-22  Matthew Hanson  <[email protected]>
 
+        Merge r182835. rdar://problem/20645249
+
+    2015-04-14  Zalan Bujtas  <[email protected]>
+
+            Make inline continuation style change logic consistent.
+            https://bugs.webkit.org/show_bug.cgi?id=143737
+            rdar://problem/20486596
+
+            Reviewed by Simon Fraser.
+
+            Do not force RenderBlock type-casting on the first sibling of the continuation's container.
+            The first sibling of the container of a continuation should be handled as the rest of the siblings.
+
+            Test: fast/inline/inline-with-column-span-and-remove-block-child-crash.html
+
+            * rendering/RenderInline.cpp:
+            (WebCore::updateStyleOfAnonymousBlockContinuations):
+            (WebCore::RenderInline::styleDidChange):
+
+2015-04-22  Matthew Hanson  <[email protected]>
+
         Merge r182076. rdar://problem/20545378
 
     2015-03-27  Brent Fulgham  <[email protected]>

Modified: branches/safari-600.7-branch/Source/WebCore/rendering/RenderInline.cpp (183148 => 183149)


--- branches/safari-600.7-branch/Source/WebCore/rendering/RenderInline.cpp	2015-04-22 22:46:13 UTC (rev 183148)
+++ branches/safari-600.7-branch/Source/WebCore/rendering/RenderInline.cpp	2015-04-22 22:57:29 UTC (rev 183149)
@@ -146,9 +146,10 @@
     return 0;
 }
 
-static void updateStyleOfAnonymousBlockContinuations(RenderBlock& block, const RenderStyle* newStyle, const RenderStyle* oldStyle)
+static void updateStyleOfAnonymousBlockContinuations(const RenderBlock& block, const RenderStyle* newStyle, const RenderStyle* oldStyle)
 {
-    for (RenderBox* box = &block; box && box->isAnonymousBlock(); box = box->nextSiblingBox()) {
+    // If any descendant blocks exist then they will be in the next anonymous block and its siblings.
+    for (RenderBox* box = block.nextSiblingBox(); box && box->isAnonymousBlock(); box = box->nextSiblingBox()) {
         if (box->style().position() == newStyle->position())
             continue;
         
@@ -192,13 +193,8 @@
         // If an inline's in-flow positioning has changed and it is part of an active continuation as a descendant of an anonymous containing block,
         // then any descendant blocks will need to change their in-flow positioning accordingly.
         // Do this by updating the position of the descendant blocks' containing anonymous blocks - there may be more than one.
-        if (containingBlock()->isAnonymousBlock() && oldStyle && newStyle.position() != oldStyle->position() && (newStyle.hasInFlowPosition() || oldStyle->hasInFlowPosition())) {
-            // If any descendant blocks exist then they will be in the next anonymous block and its siblings.
-            ASSERT(containingBlock()->nextSibling());
-            RenderBlock& block = toRenderBlock(*containingBlock()->nextSibling());
-            ASSERT(block.isAnonymousBlock());
-            updateStyleOfAnonymousBlockContinuations(block, &newStyle, oldStyle);
-        }
+        if (containingBlock()->isAnonymousBlock() && oldStyle && newStyle.position() != oldStyle->position() && (newStyle.hasInFlowPosition() || oldStyle->hasInFlowPosition()))
+            updateStyleOfAnonymousBlockContinuations(*containingBlock(), &newStyle, oldStyle);
     }
 
     if (!alwaysCreateLineBoxes()) {
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