Title: [91537] branches/safari-534.51-branch

Diff

Modified: branches/safari-534.51-branch/LayoutTests/ChangeLog (91536 => 91537)


--- branches/safari-534.51-branch/LayoutTests/ChangeLog	2011-07-22 00:21:36 UTC (rev 91536)
+++ branches/safari-534.51-branch/LayoutTests/ChangeLog	2011-07-22 00:23:39 UTC (rev 91537)
@@ -1,5 +1,20 @@
 2011-07-21  Lucas Forschler  <[email protected]>
 
+    Merged 90166.
+
+    2011-06-30  Julien Chaffraix  <[email protected]>
+
+        Reviewed by Nikolas Zimmermann.
+
+        Update SVG position values on SVG DOM updates
+        https://bugs.webkit.org/show_bug.cgi?id=62439
+
+        * svg/custom/crash-textPath-attributes-expected.txt: Added.
+        * svg/custom/crash-textPath-attributes.html: Added.
+        * svg/custom/resources/crash-textPath-attributes-iframe.svg: Added.
+
+2011-07-21  Lucas Forschler  <[email protected]>
+
     Merged 90156.
 
     2011-06-30  Julien Chaffraix  <[email protected]>

Copied: branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes-expected.txt (from rev 90166, trunk/LayoutTests/svg/custom/crash-textPath-attributes-expected.txt) (0 => 91537)


--- branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes-expected.txt	                        (rev 0)
+++ branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes-expected.txt	2011-07-22 00:23:39 UTC (rev 91537)
@@ -0,0 +1,4 @@
+
+Test for Update SVG position values on SVG DOM updates
+
+This test PASSES if he does not crash

Copied: branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes.html (from rev 90166, trunk/LayoutTests/svg/custom/crash-textPath-attributes.html) (0 => 91537)


--- branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes.html	                        (rev 0)
+++ branches/safari-534.51-branch/LayoutTests/svg/custom/crash-textPath-attributes.html	2011-07-22 00:23:39 UTC (rev 91537)
@@ -0,0 +1,13 @@
+<iframe src="" _onload_="go(this)"></iframe>
+<script>
+    if (window.layoutTestController)
+        layoutTestController.dumpAsText();
+
+    function go(oIframe) {
+      var oSelection = oIframe.contentWindow.getSelection();
+      oSelection.selectAllChildren(oIframe.contentDocument);
+      oSelection.deleteFromDocument();
+    }
+</script>
+<p>Test for <a href="" SVG position values on SVG DOM updates</a></p>
+<p>This test PASSES if he does not crash</p>

Copied: branches/safari-534.51-branch/LayoutTests/svg/custom/resources/crash-textPath-attributes-iframe.svg (from rev 90166, trunk/LayoutTests/svg/custom/resources/crash-textPath-attributes-iframe.svg) (0 => 91537)


--- branches/safari-534.51-branch/LayoutTests/svg/custom/resources/crash-textPath-attributes-iframe.svg	                        (rev 0)
+++ branches/safari-534.51-branch/LayoutTests/svg/custom/resources/crash-textPath-attributes-iframe.svg	2011-07-22 00:23:39 UTC (rev 91537)
@@ -0,0 +1,3 @@
+<!DOCTYPE svg>
+<?xml-stylesheet href=""
+<svg xmlns="http://www.w3.org/2000/svg"><text>x<tspan>  <tspan

Modified: branches/safari-534.51-branch/Source/WebCore/ChangeLog (91536 => 91537)


--- branches/safari-534.51-branch/Source/WebCore/ChangeLog	2011-07-22 00:21:36 UTC (rev 91536)
+++ branches/safari-534.51-branch/Source/WebCore/ChangeLog	2011-07-22 00:23:39 UTC (rev 91537)
@@ -1,5 +1,31 @@
 2011-07-21  Lucas Forschler  <[email protected]>
 
+    Merged 90166.
+
+    2011-06-30  Julien Chaffraix  <[email protected]>
+
+        Reviewed by Nikolas Zimmermann.
+
+        Update SVG position values on SVG DOM updates
+        https://bugs.webkit.org/show_bug.cgi?id=62439
+
+        Test: svg/custom/crash-textPath-attributes.html
+
+        * rendering/svg/RenderSVGInline.cpp:
+        (WebCore::RenderSVGInline::destroy): Notify our containing RenderSVGText that it needs
+        to update its positioning information.
+
+        * rendering/svg/SVGInlineFlowBox.cpp:
+        (WebCore::SVGInlineFlowBox::calculateBoundaries): Check the type of the InlineBox
+        like the rest of the code (fixes an ASSERT_NOT_REACHED in InlineBox::calculateBoudaries).
+
+        * rendering/svg/SVGTextLayoutAttributesBuilder.cpp:
+        (WebCore::SVGTextLayoutAttributesBuilder::buildLayoutAttributesForTextSubtree): Clear
+        our cached layout attributes every time we invalidate them. This avoids keeping stale
+        attribute that have a backpointer to a RenderObject.
+
+2011-07-21  Lucas Forschler  <[email protected]>
+
     Merged 90156.
 
     2011-06-30  Julien Chaffraix  <[email protected]>

Modified: branches/safari-534.51-branch/Source/WebCore/rendering/svg/RenderSVGInline.cpp (91536 => 91537)


--- branches/safari-534.51-branch/Source/WebCore/rendering/svg/RenderSVGInline.cpp	2011-07-22 00:21:36 UTC (rev 91536)
+++ branches/safari-534.51-branch/Source/WebCore/rendering/svg/RenderSVGInline.cpp	2011-07-22 00:23:39 UTC (rev 91537)
@@ -95,6 +95,9 @@
 
 void RenderSVGInline::destroy()
 {
+    if (RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(this))
+        textRenderer->setNeedsPositioningValuesUpdate();
+
     SVGResourcesCache::clientDestroyed(this);
     RenderInline::destroy();
 }

Modified: branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGInlineFlowBox.cpp (91536 => 91537)


--- branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGInlineFlowBox.cpp	2011-07-22 00:21:36 UTC (rev 91536)
+++ branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGInlineFlowBox.cpp	2011-07-22 00:23:39 UTC (rev 91537)
@@ -74,8 +74,11 @@
 IntRect SVGInlineFlowBox::calculateBoundaries() const
 {
     IntRect childRect;
-    for (InlineBox* child = firstChild(); child; child = child->nextOnLine())
+    for (InlineBox* child = firstChild(); child; child = child->nextOnLine()) {
+        if (!child->isSVGInlineTextBox() && !child->isSVGInlineFlowBox())
+            continue;
         childRect.unite(child->calculateBoundaries());
+    }
     return childRect;
 }
 

Modified: branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGTextLayoutAttributesBuilder.cpp (91536 => 91537)


--- branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGTextLayoutAttributesBuilder.cpp	2011-07-22 00:21:36 UTC (rev 91536)
+++ branches/safari-534.51-branch/Source/WebCore/rendering/svg/SVGTextLayoutAttributesBuilder.cpp	2011-07-22 00:23:39 UTC (rev 91537)
@@ -39,7 +39,11 @@
 {
     ASSERT(textRoot);
 
-    // Build list of x/y/dx/dy/rotate values for each subtree element that may define these values (tspan/textPath etc).
+    // We always clear our current attribute as we don't want to keep any stale ones that could survive DOM modification.
+    Vector<SVGTextLayoutAttributes>& allAttributes = textRoot->layoutAttributes();
+    allAttributes.clear();
+
+     // Build list of x/y/dx/dy/rotate values for each subtree element that may define these values (tspan/textPath etc).
     unsigned atCharacter = 0;
     UChar lastCharacter = '\0';
     collectTextPositioningElements(textRoot, atCharacter, lastCharacter);
@@ -51,8 +55,6 @@
     buildLayoutAttributesForAllCharacters(textRoot, atCharacter);
 
     // Propagate layout attributes to each RenderSVGInlineText object, and the whole list to the RenderSVGText root.
-    Vector<SVGTextLayoutAttributes>& allAttributes = textRoot->layoutAttributes();
-    allAttributes.clear();
     atCharacter = 0;
     lastCharacter = '\0';
     propagateLayoutAttributes(textRoot, allAttributes, atCharacter, lastCharacter);
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