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<title>[209226] trunk/Source/WebCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/209226">209226</a></dd>
<dt>Author</dt> <dd>bfulgham@apple.com</dd>
<dt>Date</dt> <dd>2016-12-01 17:30:46 -0800 (Thu, 01 Dec 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Rare crash when preparing to print
https://bugs.webkit.org/show_bug.cgi?id=165280
<rdar://problem/28240254>
Reviewed by Dean Jackson.
* page/Frame.cpp:
(WebCore::Frame::setPrinting): Only manipulate the FrameView if it is non-null.
(WebCore::Frame::documentAtPoint): Drive-by fix to change a 0 return to nullptr.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorepageFramecpp">trunk/Source/WebCore/page/Frame.cpp</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (209225 => 209226)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2016-12-02 01:24:30 UTC (rev 209225)
+++ trunk/Source/WebCore/ChangeLog 2016-12-02 01:30:46 UTC (rev 209226)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2016-12-01 Brent Fulgham <bfulgham@apple.com>
+
+ Rare crash when preparing to print
+ https://bugs.webkit.org/show_bug.cgi?id=165280
+ <rdar://problem/28240254>
+
+ Reviewed by Dean Jackson.
+
+ * page/Frame.cpp:
+ (WebCore::Frame::setPrinting): Only manipulate the FrameView if it is non-null.
+ (WebCore::Frame::documentAtPoint): Drive-by fix to change a 0 return to nullptr.
+
</ins><span class="cx"> 2016-12-01 Simon Fraser <simon.fraser@apple.com>
</span><span class="cx">
</span><span class="cx"> Put an obvious debug border on layers with backdrop filters
</span></span></pre></div>
<a id="trunkSourceWebCorepageFramecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Frame.cpp (209225 => 209226)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Frame.cpp 2016-12-02 01:24:30 UTC (rev 209225)
+++ trunk/Source/WebCore/page/Frame.cpp 2016-12-02 01:30:46 UTC (rev 209226)
</span><span class="lines">@@ -643,15 +643,17 @@
</span><span class="cx"> ResourceCacheValidationSuppressor validationSuppressor(m_doc->cachedResourceLoader());
</span><span class="cx">
</span><span class="cx"> m_doc->setPrinting(printing);
</span><del>- view()->adjustMediaTypeForPrinting(printing);
</del><ins>+ if (auto* frameView = view()) {
+ frameView->adjustMediaTypeForPrinting(printing);
</ins><span class="cx">
</span><del>- m_doc->styleScope().didChangeStyleSheetEnvironment();
- if (shouldUsePrintingLayout()) {
- view()->forceLayoutForPagination(pageSize, originalPageSize, maximumShrinkRatio, shouldAdjustViewSize);
- } else {
- view()->forceLayout();
- if (shouldAdjustViewSize == AdjustViewSize)
- view()->adjustViewSize();
</del><ins>+ m_doc->styleScope().didChangeStyleSheetEnvironment();
+ if (shouldUsePrintingLayout())
+ frameView->forceLayoutForPagination(pageSize, originalPageSize, maximumShrinkRatio, shouldAdjustViewSize);
+ else {
+ frameView->forceLayout();
+ if (shouldAdjustViewSize == AdjustViewSize)
+ frameView->adjustViewSize();
+ }
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // Subframes of the one we're printing don't lay out to the page size.
</span><span class="lines">@@ -813,7 +815,7 @@
</span><span class="cx"> Document* Frame::documentAtPoint(const IntPoint& point)
</span><span class="cx"> {
</span><span class="cx"> if (!view())
</span><del>- return 0;
</del><ins>+ return nullptr;
</ins><span class="cx">
</span><span class="cx"> IntPoint pt = view()->windowToContents(point);
</span><span class="cx"> HitTestResult result = HitTestResult(pt);
</span></span></pre>
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