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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/204787">204787</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2016-08-23 02:39:53 -0700 (Tue, 23 Aug 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/201292">r201292</a> - Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/200414">r200414</a>.
This change appears to have broken the 'write a reply' field
on Nextdoor.com
Reverted changeset:
"Clicks inside button elements are sometimes discarded when
the mouse moves"
https://bugs.webkit.org/show_bug.cgi?id=39620
http://trac.webkit.org/changeset/200414</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsChangeLog">releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsplatformiossimulatorTestExpectations">releases/WebKitGTK/webkit-2.12/LayoutTests/platform/ios-simulator/TestExpectations</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCoredomNodecpp">releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCoredomNodeh">releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.h</a></li>
<li><a href="#releasesWebKitGTKwebkit212SourceWebCorepageEventHandlercpp">releases/WebKitGTK/webkit-2.12/Source/WebCore/page/EventHandler.cpp</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsfasteventsclickoverdescendantelementsexpectedtxt">releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements-expected.txt</a></li>
<li><a href="#releasesWebKitGTKwebkit212LayoutTestsfasteventsclickoverdescendantelementshtml">releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit212LayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/ChangeLog 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-05-23 Ryan Haddad <ryanhaddad@apple.com>
+
+ Unreviewed, rolling out r200414.
+
+ This change appears to have broken the 'write a reply' field
+ on Nextdoor.com
+
+ Reverted changeset:
+
+ "Clicks inside button elements are sometimes discarded when
+ the mouse moves"
+ https://bugs.webkit.org/show_bug.cgi?id=39620
+ http://trac.webkit.org/changeset/200414
+
</ins><span class="cx"> 2016-05-24 Myles C. Maxfield <mmaxfield@apple.com>
</span><span class="cx">
</span><span class="cx"> [Font Loading] Crash during font download failure after garbage collection
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212LayoutTestsfasteventsclickoverdescendantelementsexpectedtxt"></a>
<div class="delfile"><h4>Deleted: releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements-expected.txt (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements-expected.txt 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements-expected.txt 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1,27 +0,0 @@
</span><del>-Check if any mousedown-mouseup pairs in one element dispatch click events.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-Very normal click on container:
-PASS lastClickTarget is container
-Move inside container:
-PASS lastClickTarget is container
-Move from container to a child:
-PASS lastClickTarget is container
-Move from a child to container:
-PASS lastClickTarget is container
-Move from a child to another child:
-PASS lastClickTarget is container
-Move out from a child:
-PASS lastClickTarget is document.body
-Removing a child element in the light DOM during a click:
-FAIL lastClickTarget should be null. Was [object HTMLDivElement].
-Click on escaping button content:
-PASS lastClickTarget is button1
-Click on disappearing INPUT value:
-PASS lastClickTarget is input1
-PASS successfullyParsed is true
-
-TEST COMPLETE
-
</del></span></pre></div>
<a id="releasesWebKitGTKwebkit212LayoutTestsfasteventsclickoverdescendantelementshtml"></a>
<div class="delfile"><h4>Deleted: releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements.html (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements.html 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/fast/events/click-over-descendant-elements.html 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1,144 +0,0 @@
</span><del>-<!DOCTYPE html>
-<body>
-<script src="../../resources/js-test-pre.js"></script>
-<style>
-body {
- margin: 0;
- padding: 0;
- -webkit-user-select: none;
-}
-
-#container {
- padding: 40px;
-}
-
-#inner1, #inner2 {
- height: 40px;
-}
-
-#button1 {
- padding-top: 4px;
-}
-#button1:active {
- padding-top: 40px;
-}
-</style>
-<div id="container">
-<div id="inner1"></div>
-<div id="inner2"></div>
-</div>
-<button id="button1"><span id="button-span">Click me</span></button>
-<input id="input1" value="A quick brown fox jumps over the lazy dog. A quick brown fox jumps over the lazy dog.">
-<!-- Avoid to create a console element before the above elements -->
-<div id="console"></div>
-<script>
-description('Check if any mousedown-mouseup pairs in one element dispatch click events.');
-if (!window.eventSender)
- debug('This test needs to run in a test environment.');
-
-var container = document.getElementById('container');
-var containerRect = container.getBoundingClientRect();
-var inner1 = document.getElementById('inner1');
-var inner1Rect = inner1.getBoundingClientRect();
-var inner2 = document.getElementById('inner2');
-var inner2Rect = inner2.getBoundingClientRect();
-var x = (containerRect.left + containerRect.right) / 2;
-var inContainer = (containerRect.top + inner1Rect.top) / 2;
-var inInner1 = (inner1Rect.top + inner1Rect.bottom) / 2;
-var inInner2 = (inner2Rect.top + inner2Rect.bottom) / 2;
-
-var lastClickTarget = null;
-document.addEventListener('click', function(event) {
- lastClickTarget = event.target;
-}, false);
-
-function clearClick()
-{
- eventSender.mouseMoveTo(0, 0);
- eventSender.mouseDown(1);
- eventSender.mouseUp(1);
- lastClickTarget;
-}
-
-
-debug('Very normal click on container:');
-eventSender.mouseMoveTo(x, inContainer);
-eventSender.mouseDown();
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'container');
-clearClick();
-
-debug('Move inside container:');
-eventSender.mouseMoveTo(x, inContainer);
-eventSender.mouseDown();
-eventSender.mouseMoveTo(x + 10, inContainer);
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'container');
-clearClick();
-
-debug('Move from container to a child:');
-eventSender.mouseMoveTo(x, inContainer);
-eventSender.mouseDown();
-eventSender.mouseMoveTo(x, inInner1);
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'container');
-clearClick();
-
-debug('Move from a child to container:');
-eventSender.mouseMoveTo(x, inInner1);
-eventSender.mouseDown();
-eventSender.mouseMoveTo(x, inContainer);
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'container');
-clearClick();
-
-debug('Move from a child to another child:');
-eventSender.mouseMoveTo(x, inInner1);
-eventSender.mouseDown();
-eventSender.mouseMoveTo(x, inInner2);
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'container');
-clearClick();
-
-debug('Move out from a child:');
-eventSender.mouseMoveTo(x, inInner1);
-eventSender.mouseDown();
-eventSender.mouseMoveTo(x, containerRect.bottom + 10);
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'document.body');
-clearClick();
-
-debug('Removing a child element in the light DOM during a click:');
-eventSender.mouseMoveTo(x, inInner2);
-eventSender.mouseDown();
-inner2.remove();
-eventSender.mouseUp();
-shouldBeNull('lastClickTarget');
-clearClick();
-
-debug('Click on escaping button content:');
-var button1 = document.getElementById("button1");
-var spanRect = document.getElementById('button-span').getBoundingClientRect();
-eventSender.mouseMoveTo((spanRect.left + spanRect.right) / 2, spanRect.top + 1);
-eventSender.mouseDown();
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'button1');
-clearClick();
-
-debug('Click on disappearing INPUT value:');
-var input1 = document.getElementById('input1');
-input1.addEventListener('focus', function() { input1.value = ""; }, false);
-var inputRect = input1.getBoundingClientRect();
-eventSender.mouseMoveTo(inputRect.left + 8, (inputRect.top + inputRect.bottom) / 2);
-eventSender.mouseDown();
-eventSender.mouseUp();
-shouldBe('lastClickTarget', 'input1');
-clearClick();
-
-container.remove();
-button1.remove();
-input1.remove();
-
-</script>
-<script src="../../resources/js-test-post.js"></script>
-</body>
</del></span></pre></div>
<a id="releasesWebKitGTKwebkit212LayoutTestsplatformiossimulatorTestExpectations"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/LayoutTests/platform/ios-simulator/TestExpectations (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/LayoutTests/platform/ios-simulator/TestExpectations 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/LayoutTests/platform/ios-simulator/TestExpectations 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1640,7 +1640,6 @@
</span><span class="cx"> fast/events/show-modal-dialog-onblur-onfocus.html [ Failure ]
</span><span class="cx"> fast/events/tab-focus-link-in-canvas.html [ Failure ]
</span><span class="cx"> fast/events/tabindex-focus-blur-all.html [ Failure ]
</span><del>-fast/events/click-over-descendant-elements.html [ Failure ]
</del><span class="cx">
</span><span class="cx"> # Ref-test imported from W3C that is failing because type=image input elements have rounded corners on iOS.
</span><span class="cx"> imported/w3c/web-platform-tests/html/semantics/forms/the-input-element/image01.html [ ImageOnlyFailure ]
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/ChangeLog 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2016-05-23 Ryan Haddad <ryanhaddad@apple.com>
+
+ Unreviewed, rolling out r200414.
+
+ This change appears to have broken the 'write a reply' field
+ on Nextdoor.com
+
+ Reverted changeset:
+
+ "Clicks inside button elements are sometimes discarded when
+ the mouse moves"
+ https://bugs.webkit.org/show_bug.cgi?id=39620
+ http://trac.webkit.org/changeset/200414
+
</ins><span class="cx"> 2016-05-24 Myles C. Maxfield <mmaxfield@apple.com>
</span><span class="cx">
</span><span class="cx"> [Font Loading] Crash during font download failure after garbage collection
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCoredomNodecpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.cpp (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.cpp 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.cpp 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -938,65 +938,6 @@
</span><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static inline Node* ancestor(Node* node, unsigned depth)
-{
- for (unsigned i = 0; i < depth; ++i)
- node = node->parentNode();
- return node;
-}
-
-Node* commonAncestor(Node& thisNode, Node& otherNode)
-{
- unsigned thisDepth = 0;
- for (auto node = &thisNode; node; node = node->parentNode()) {
- if (node == &otherNode)
- return node;
- thisDepth++;
- }
- unsigned otherDepth = 0;
- for (auto node = &otherNode; node; node = node->parentNode()) {
- if (node == &thisNode)
- return &thisNode;
- otherDepth++;
- }
-
- Node* thisAncestor = &thisNode;
- Node* otherAncestor = &otherNode;
- if (thisDepth > otherDepth)
- thisAncestor = ancestor(thisAncestor, thisDepth - otherDepth);
- else if (otherDepth > thisDepth)
- otherAncestor = ancestor(otherAncestor, otherDepth - thisDepth);
-
- for (; thisAncestor; thisAncestor = thisAncestor->parentNode()) {
- if (thisAncestor == otherAncestor)
- return thisAncestor;
- otherAncestor = otherAncestor->parentNode();
- }
- ASSERT(!otherAncestor);
- return nullptr;
-}
-
-Node* commonAncestorCrossingShadowBoundary(Node& node, Node& other)
-{
- if (&node == &other)
- return &node;
-
- Element* shadowHost = node.shadowHost();
- // FIXME: This test might be wrong for user-authored shadow trees.
- if (shadowHost && shadowHost == other.shadowHost())
- return shadowHost;
-
- TreeScope* scope = commonTreeScope(&node, &other);
- if (!scope)
- return nullptr;
-
- Node* parentNode = scope->ancestorInThisScope(&node);
- ASSERT(parentNode);
- Node* parentOther = scope->ancestorInThisScope(&other);
- ASSERT(parentOther);
- return commonAncestor(*parentNode, *parentOther);
-}
-
</del><span class="cx"> Node* Node::pseudoAwarePreviousSibling() const
</span><span class="cx"> {
</span><span class="cx"> Element* parentOrHost = is<PseudoElement>(*this) ? downcast<PseudoElement>(*this).hostElement() : parentElement();
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCoredomNodeh"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.h (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.h 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/dom/Node.h 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -791,9 +791,6 @@
</span><span class="cx"> return parentNode();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-Node* commonAncestor(Node&, Node&);
-Node* commonAncestorCrossingShadowBoundary(Node&, Node&);
-
</del><span class="cx"> } // namespace WebCore
</span><span class="cx">
</span><span class="cx"> #if ENABLE(TREE_DEBUGGING)
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit212SourceWebCorepageEventHandlercpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.12/Source/WebCore/page/EventHandler.cpp (204786 => 204787)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.12/Source/WebCore/page/EventHandler.cpp 2016-08-23 09:21:06 UTC (rev 204786)
+++ releases/WebKitGTK/webkit-2.12/Source/WebCore/page/EventHandler.cpp 2016-08-23 09:39:53 UTC (rev 204787)
</span><span class="lines">@@ -1948,6 +1948,24 @@
</span><span class="cx"> m_clickNode = nullptr;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+static Node* targetNodeForClickEvent(Node* mousePressNode, Node* mouseReleaseNode)
+{
+ if (!mousePressNode || !mouseReleaseNode)
+ return nullptr;
+
+ if (mousePressNode == mouseReleaseNode)
+ return mouseReleaseNode;
+
+ Element* mouseReleaseShadowHost = mouseReleaseNode->shadowHost();
+ if (mouseReleaseShadowHost && mouseReleaseShadowHost == mousePressNode->shadowHost()) {
+ // We want to dispatch the click to the shadow tree host element to give listeners the illusion that the
+ // shadom tree is a single element. For example, we want to give the illusion that <input type="range">
+ // is a single element even though it is a composition of multiple shadom tree elements.
+ return mouseReleaseShadowHost;
+ }
+ return nullptr;
+}
+
</ins><span class="cx"> bool EventHandler::handleMouseReleaseEvent(const PlatformMouseEvent& platformMouseEvent)
</span><span class="cx"> {
</span><span class="cx"> RefPtr<FrameView> protector(m_frame.view());
</span><span class="lines">@@ -2009,8 +2027,7 @@
</span><span class="cx">
</span><span class="cx"> bool contextMenuEvent = platformMouseEvent.button() == RightButton;
</span><span class="cx">
</span><del>- Node* targetNode = mouseEvent.targetNode();
- Node* nodeToClick = (m_clickNode && targetNode) ? commonAncestorCrossingShadowBoundary(*m_clickNode, *targetNode) : nullptr;
</del><ins>+ Node* nodeToClick = targetNodeForClickEvent(m_clickNode.get(), mouseEvent.targetNode());
</ins><span class="cx"> bool swallowClickEvent = m_clickCount > 0 && !contextMenuEvent && nodeToClick && !dispatchMouseEvent(eventNames().clickEvent, nodeToClick, true, m_clickCount, platformMouseEvent, true);
</span><span class="cx">
</span><span class="cx"> if (m_resizeLayer) {
</span></span></pre>
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