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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/196872">196872</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-02-21 10:18:32 -0800 (Sun, 21 Feb 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/196866">r196866</a>.
https://bugs.webkit.org/show_bug.cgi?id=154515
still crashy on EFL/GTK (Requested by smfr on #webkit).
Reverted changeset:
"Wheel event callback removing the window causes crash in
WebCore."
https://bugs.webkit.org/show_bug.cgi?id=150871
http://trac.webkit.org/changeset/196866</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="#trunkSourceWebCorepageEventHandlercpp">trunk/Source/WebCore/page/EventHandler.cpp</a></li>
<li><a href="#trunkSourceWebCorepageFramecpp">trunk/Source/WebCore/page/Frame.cpp</a></li>
<li><a href="#trunkSourceWebCorepageWheelEventDeltaFiltercpp">trunk/Source/WebCore/page/WheelEventDeltaFilter.cpp</a></li>
<li><a href="#trunkSourceWebCorepagemacEventHandlerMacmm">trunk/Source/WebCore/page/mac/EventHandlerMac.mm</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayercpp">trunk/Source/WebCore/rendering/RenderLayer.cpp</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfasteventswheeleventdestroysframeexpectedtxt">trunk/LayoutTests/fast/events/wheel-event-destroys-frame-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfasteventswheeleventdestroysframehtml">trunk/LayoutTests/fast/events/wheel-event-destroys-frame.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/LayoutTests/ChangeLog        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-02-21 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r196866.
+ https://bugs.webkit.org/show_bug.cgi?id=154515
+
+ still crashy on EFL/GTK (Requested by smfr on #webkit).
+
+ Reverted changeset:
+
+ "Wheel event callback removing the window causes crash in
+ WebCore."
+ https://bugs.webkit.org/show_bug.cgi?id=150871
+ http://trac.webkit.org/changeset/196866
+
</ins><span class="cx"> 2016-02-20 Simon Fraser <simon.fraser@apple.com>
</span><span class="cx">
</span><span class="cx"> Wheel event callback removing the window causes crash in WebCore.
</span></span></pre></div>
<a id="trunkLayoutTestsfasteventswheeleventdestroysframeexpectedtxt"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/fast/events/wheel-event-destroys-frame-expected.txt (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/events/wheel-event-destroys-frame-expected.txt        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/LayoutTests/fast/events/wheel-event-destroys-frame-expected.txt        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -1,3 +0,0 @@
</span><del>-This test should not crash
-
-
</del></span></pre></div>
<a id="trunkLayoutTestsfasteventswheeleventdestroysframehtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/fast/events/wheel-event-destroys-frame.html (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/events/wheel-event-destroys-frame.html        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/LayoutTests/fast/events/wheel-event-destroys-frame.html        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -1,39 +0,0 @@
</span><del>-<!DOCTYPE html>
-<html>
-<head>
- <script>
- if (window.testRunner) {
- testRunner.waitUntilDone();
- testRunner.dumpAsText();
- }
-
- function frameLoaded(iframe)
- {
- iframe.contentWindow.addEventListener('wheel', function() {
- // Removing the window during event firing causes crash.
- window.document.body.removeChild(iframe);
- window.setTimeout(function() {
- if (window.testRunner)
- testRunner.notifyDone();
- }, 0);
- });
-
- if (!window.eventSender)
- return;
-
- var iframeTarget = document.getElementById('iframe');
- var iframeBounds = iframeTarget.getBoundingClientRect();
-
- eventSender.mouseMoveTo(iframeBounds.left + 10, iframeBounds.top + 10);
- eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none');
- eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
- eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'changed', 'none');
- eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none');
- }
- </script>
-</head>
-<body>
- <p>This test should not crash</p>
- <iframe id="iframe" onload="frameLoaded(this)" src="data:text/html,<body>Wheel here</body>"></iframe>
-</body>
-</html>
</del></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/ChangeLog        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-02-21 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r196866.
+ https://bugs.webkit.org/show_bug.cgi?id=154515
+
+ still crashy on EFL/GTK (Requested by smfr on #webkit).
+
+ Reverted changeset:
+
+ "Wheel event callback removing the window causes crash in
+ WebCore."
+ https://bugs.webkit.org/show_bug.cgi?id=150871
+ http://trac.webkit.org/changeset/196866
+
</ins><span class="cx"> 2016-02-20 Simon Fraser <simon.fraser@apple.com>
</span><span class="cx">
</span><span class="cx"> Wheel event callback removing the window causes crash in WebCore.
</span></span></pre></div>
<a id="trunkSourceWebCorepageEventHandlercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/EventHandler.cpp (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/EventHandler.cpp        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/page/EventHandler.cpp        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -452,7 +452,9 @@
</span><span class="cx"> m_mousePressed = false;
</span><span class="cx"> m_capturesDragging = false;
</span><span class="cx"> m_capturingMouseEventsElement = nullptr;
</span><del>- clearLatchedState();
</del><ins>+#if PLATFORM(MAC)
+ m_frame.mainFrame().resetLatchingState();
+#endif
</ins><span class="cx"> #if ENABLE(TOUCH_EVENTS) && !ENABLE(IOS_TOUCH_EVENTS)
</span><span class="cx"> m_originatingTouchPointTargets.clear();
</span><span class="cx"> m_originatingTouchPointDocument = nullptr;
</span><span class="lines">@@ -2662,8 +2664,7 @@
</span><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx"> m_frame.mainFrame().resetLatchingState();
</span><span class="cx"> #endif
</span><del>- if (WheelEventDeltaFilter* filter = m_frame.mainFrame().wheelEventDeltaFilter())
- filter->endFilteringDeltas();
</del><ins>+ m_frame.mainFrame().wheelEventDeltaFilter()->endFilteringDeltas();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void EventHandler::defaultWheelEventHandler(Node* startNode, WheelEvent* wheelEvent)
</span></span></pre></div>
<a id="trunkSourceWebCorepageFramecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Frame.cpp (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Frame.cpp        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/page/Frame.cpp        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -251,8 +251,7 @@
</span><span class="cx"> if (m_view)
</span><span class="cx"> m_view->unscheduleRelayout();
</span><span class="cx">
</span><del>- if (m_view != view)
- eventHandler().clear();
</del><ins>+ eventHandler().clear();
</ins><span class="cx">
</span><span class="cx"> m_view = WTFMove(view);
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCorepageWheelEventDeltaFiltercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/WheelEventDeltaFilter.cpp (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/WheelEventDeltaFilter.cpp        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/page/WheelEventDeltaFilter.cpp        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -31,8 +31,6 @@
</span><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> #include "FloatSize.h"
</span><del>-#include "Logging.h"
-#include "TextStream.h"
</del><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="cx">
</span><span class="lines">@@ -60,7 +58,6 @@
</span><span class="cx">
</span><span class="cx"> FloatSize WheelEventDeltaFilter::filteredDelta() const
</span><span class="cx"> {
</span><del>- LOG_WITH_STREAM(Scrolling, stream << "BasicWheelEventDeltaFilter::filteredDelta returning " << m_currentFilteredDelta);
</del><span class="cx"> return m_currentFilteredDelta;
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCorepagemacEventHandlerMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/mac/EventHandlerMac.mm (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/mac/EventHandlerMac.mm        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/page/mac/EventHandlerMac.mm        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -1008,10 +1008,9 @@
</span><span class="cx">
</span><span class="cx"> bool EventHandler::platformCompleteWheelEvent(const PlatformWheelEvent& wheelEvent, ContainerNode* scrollableContainer, ScrollableArea* scrollableArea)
</span><span class="cx"> {
</span><del>- FrameView* view = m_frame.view();
</del><span class="cx"> // We do another check on the frame view because the event handler can run JS which results in the frame getting destroyed.
</span><del>- if (!view)
- return false;
</del><ins>+ ASSERT(m_frame.view());
+ FrameView* view = m_frame.view();
</ins><span class="cx">
</span><span class="cx"> ScrollLatchingState* latchingState = m_frame.mainFrame().latchingState();
</span><span class="cx"> if (wheelEvent.useLatchedEventElement() && !latchingIsLockedToAncestorOfThisFrame(m_frame) && latchingState && latchingState->scrollableContainer()) {
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayer.cpp (196871 => 196872)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayer.cpp        2016-02-21 06:14:38 UTC (rev 196871)
+++ trunk/Source/WebCore/rendering/RenderLayer.cpp        2016-02-21 18:18:32 UTC (rev 196872)
</span><span class="lines">@@ -2349,8 +2349,6 @@
</span><span class="cx"> if (!box)
</span><span class="cx"> return;
</span><span class="cx">
</span><del>- LOG_WITH_STREAM(Scrolling, stream << "RenderLayer::scrollTo " << position);
-
</del><span class="cx"> ScrollPosition newPosition = position;
</span><span class="cx"> if (box->style().overflowX() != OMARQUEE) {
</span><span class="cx"> // Ensure that the dimensions will be computed if they need to be (for overflow:hidden blocks).
</span></span></pre>
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