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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/210316">210316</a></dd>
<dt>Author</dt> <dd>joepeck@webkit.org</dd>
<dt>Date</dt> <dd>2017-01-04 20:37:43 -0800 (Wed, 04 Jan 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>Web Inspector: forced pseudo classes aren't cleared from inspected page when Inspector closes
https://bugs.webkit.org/show_bug.cgi?id=108823
&lt;rdar://problem/13143550&gt;

Reviewed by Timothy Hatcher.

* inspector/InspectorCSSAgent.h:
* inspector/InspectorCSSAgent.cpp:
(WebCore::InspectorCSSAgent::documentDetached):
Clear the document from all of the different Document sets.

(WebCore::InspectorCSSAgent::didRemoveDocument): Deleted.
Use documentDetached, which is more direct.

(WebCore::InspectorCSSAgent::forcePseudoState):
Update the set of Documents with psuedo element changes. So when we
reset forced styles we know which documents to refresh styles.

(WebCore::InspectorCSSAgent::resetPseudoStates):
Use the list of documents we've already computed.

(WebCore::InspectorCSSAgent::didRemoveDOMNode):
(WebCore::InspectorCSSAgent::didModifyDOMAttr):
Change to take a reference and more data to avoid extra work.

* inspector/InspectorDOMAgent.h:
* inspector/InspectorDOMAgent.cpp:
(WebCore::InspectorDOMAgent::unbind):
Eliminated didRemoveDocument.

(WebCore::InspectorDOMAgent::didModifyDOMAttr):
(WebCore::InspectorDOMAgent::didRemoveDOMAttr):
(WebCore::InspectorDOMAgent::styleAttributeInvalidated):
Pass a references to the DOM listener client, these are never null.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorCSSAgentcpp">trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorCSSAgenth">trunk/Source/WebCore/inspector/InspectorCSSAgent.h</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorDOMAgentcpp">trunk/Source/WebCore/inspector/InspectorDOMAgent.cpp</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorDOMAgenth">trunk/Source/WebCore/inspector/InspectorDOMAgent.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (210315 => 210316)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2017-01-05 04:35:48 UTC (rev 210315)
+++ trunk/Source/WebCore/ChangeLog        2017-01-05 04:37:43 UTC (rev 210316)
</span><span class="lines">@@ -1,3 +1,40 @@
</span><ins>+2017-01-04  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
+
+        Web Inspector: forced pseudo classes aren't cleared from inspected page when Inspector closes
+        https://bugs.webkit.org/show_bug.cgi?id=108823
+        &lt;rdar://problem/13143550&gt;
+
+        Reviewed by Timothy Hatcher.
+
+        * inspector/InspectorCSSAgent.h:
+        * inspector/InspectorCSSAgent.cpp:
+        (WebCore::InspectorCSSAgent::documentDetached):
+        Clear the document from all of the different Document sets.
+
+        (WebCore::InspectorCSSAgent::didRemoveDocument): Deleted.
+        Use documentDetached, which is more direct.
+
+        (WebCore::InspectorCSSAgent::forcePseudoState):
+        Update the set of Documents with psuedo element changes. So when we
+        reset forced styles we know which documents to refresh styles.
+
+        (WebCore::InspectorCSSAgent::resetPseudoStates):
+        Use the list of documents we've already computed.
+
+        (WebCore::InspectorCSSAgent::didRemoveDOMNode):
+        (WebCore::InspectorCSSAgent::didModifyDOMAttr):
+        Change to take a reference and more data to avoid extra work.
+
+        * inspector/InspectorDOMAgent.h:
+        * inspector/InspectorDOMAgent.cpp:
+        (WebCore::InspectorDOMAgent::unbind):
+        Eliminated didRemoveDocument.
+
+        (WebCore::InspectorDOMAgent::didModifyDOMAttr):
+        (WebCore::InspectorDOMAgent::didRemoveDOMAttr):
+        (WebCore::InspectorDOMAgent::styleAttributeInvalidated):
+        Pass a references to the DOM listener client, these are never null.
+
</ins><span class="cx"> 2017-01-04  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Remove runtime flag for variation fonts
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorCSSAgentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp (210315 => 210316)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp        2017-01-05 04:35:48 UTC (rev 210315)
+++ trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp        2017-01-05 04:37:43 UTC (rev 210316)
</span><span class="lines">@@ -410,6 +410,8 @@
</span><span class="cx">     setActiveStyleSheetsForDocument(document, emptyList);
</span><span class="cx"> 
</span><span class="cx">     m_documentToKnownCSSStyleSheets.remove(&amp;document);
</span><ins>+    m_documentToInspectorStyleSheet.remove(&amp;document);
+    m_documentsWithForcedPseudoStates.remove(&amp;document);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void InspectorCSSAgent::mediaQueryResultChanged()
</span><span class="lines">@@ -536,7 +538,7 @@
</span><span class="cx">     if (!nodeId)
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><del>-    NodeIdToForcedPseudoState::iterator it = m_nodeIdToForcedPseudoState.find(nodeId);
</del><ins>+    auto it = m_nodeIdToForcedPseudoState.find(nodeId);
</ins><span class="cx">     if (it == m_nodeIdToForcedPseudoState.end())
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="lines">@@ -880,17 +882,21 @@
</span><span class="cx">     if (!element)
</span><span class="cx">         return;
</span><span class="cx"> 
</span><ins>+    auto it = m_nodeIdToForcedPseudoState.find(nodeId);
</ins><span class="cx">     unsigned forcedPseudoState = computePseudoClassMask(forcedPseudoClasses);
</span><del>-    NodeIdToForcedPseudoState::iterator it = m_nodeIdToForcedPseudoState.find(nodeId);
</del><span class="cx">     unsigned currentForcedPseudoState = it == m_nodeIdToForcedPseudoState.end() ? 0 : it-&gt;value;
</span><del>-    bool needStyleRecalc = forcedPseudoState != currentForcedPseudoState;
-    if (!needStyleRecalc)
</del><ins>+    if (forcedPseudoState == currentForcedPseudoState)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    if (forcedPseudoState)
</del><ins>+    if (forcedPseudoState) {
</ins><span class="cx">         m_nodeIdToForcedPseudoState.set(nodeId, forcedPseudoState);
</span><del>-    else
</del><ins>+        m_documentsWithForcedPseudoStates.add(&amp;element-&gt;document());
+    } else {
</ins><span class="cx">         m_nodeIdToForcedPseudoState.remove(nodeId);
</span><ins>+        if (m_nodeIdToForcedPseudoState.isEmpty())
+            m_documentsWithForcedPseudoStates.clear();
+    }
+
</ins><span class="cx">     element-&gt;document().styleScope().didChangeStyleSheetEnvironment();
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -1042,12 +1048,12 @@
</span><span class="cx">     return inspectorStyleSheet ? inspectorStyleSheet-&gt;buildObjectForRule(rule, nullptr) : nullptr;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;Inspector::Protocol::Array&lt;Inspector::Protocol::CSS::RuleMatch&gt;&gt; InspectorCSSAgent::buildArrayForMatchedRuleList(const Vector&lt;RefPtr&lt;StyleRule&gt;&gt;&amp; matchedRules, StyleResolver&amp; styleResolver, Element&amp; element, PseudoId psuedoId)
</del><ins>+RefPtr&lt;Inspector::Protocol::Array&lt;Inspector::Protocol::CSS::RuleMatch&gt;&gt; InspectorCSSAgent::buildArrayForMatchedRuleList(const Vector&lt;RefPtr&lt;StyleRule&gt;&gt;&amp; matchedRules, StyleResolver&amp; styleResolver, Element&amp; element, PseudoId pseudoId)
</ins><span class="cx"> {
</span><span class="cx">     auto result = Inspector::Protocol::Array&lt;Inspector::Protocol::CSS::RuleMatch&gt;::create();
</span><span class="cx"> 
</span><span class="cx">     SelectorChecker::CheckingContext context(SelectorChecker::Mode::CollectingRules);
</span><del>-    context.pseudoId = psuedoId ? psuedoId : element.pseudoId();
</del><ins>+    context.pseudoId = pseudoId ? pseudoId : element.pseudoId();
</ins><span class="cx">     SelectorChecker selectorChecker(element.document());
</span><span class="cx"> 
</span><span class="cx">     for (auto&amp; matchedRule : matchedRules) {
</span><span class="lines">@@ -1149,35 +1155,21 @@
</span><span class="cx">         .release();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void InspectorCSSAgent::didRemoveDocument(Document* document)
</del><ins>+void InspectorCSSAgent::didRemoveDOMNode(Node&amp; node, int nodeId)
</ins><span class="cx"> {
</span><del>-    if (document)
-        m_documentToInspectorStyleSheet.remove(document);
-}
</del><ins>+    m_nodeIdToForcedPseudoState.remove(nodeId);
</ins><span class="cx"> 
</span><del>-void InspectorCSSAgent::didRemoveDOMNode(Node* node)
-{
-    if (!node)
-        return;
-
-    int nodeId = m_domAgent-&gt;boundNodeId(node);
-    if (nodeId)
-        m_nodeIdToForcedPseudoState.remove(nodeId);
-
-    NodeToInspectorStyleSheet::iterator it = m_nodeToInspectorStyleSheet.find(node);
</del><ins>+    auto it = m_nodeToInspectorStyleSheet.find(&amp;node);
</ins><span class="cx">     if (it == m_nodeToInspectorStyleSheet.end())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     m_idToInspectorStyleSheet.remove(it-&gt;value-&gt;id());
</span><del>-    m_nodeToInspectorStyleSheet.remove(node);
</del><ins>+    m_nodeToInspectorStyleSheet.remove(&amp;node);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void InspectorCSSAgent::didModifyDOMAttr(Element* element)
</del><ins>+void InspectorCSSAgent::didModifyDOMAttr(Element&amp; element)
</ins><span class="cx"> {
</span><del>-    if (!element)
-        return;
-
-    NodeToInspectorStyleSheet::iterator it = m_nodeToInspectorStyleSheet.find(element);
</del><ins>+    auto it = m_nodeToInspectorStyleSheet.find(&amp;element);
</ins><span class="cx">     if (it == m_nodeToInspectorStyleSheet.end())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="lines">@@ -1191,15 +1183,11 @@
</span><span class="cx"> 
</span><span class="cx"> void InspectorCSSAgent::resetPseudoStates()
</span><span class="cx"> {
</span><del>-    HashSet&lt;Document*&gt; documentsToChange;
-    for (auto&amp; nodeId : m_nodeIdToForcedPseudoState) {
-        if (Element* element = downcast&lt;Element&gt;(m_domAgent-&gt;nodeForId(nodeId.key)))
-            documentsToChange.add(&amp;element-&gt;document());
-    }
</del><ins>+    for (auto&amp; document : m_documentsWithForcedPseudoStates)
+        document-&gt;styleScope().didChangeStyleSheetEnvironment();
</ins><span class="cx"> 
</span><span class="cx">     m_nodeIdToForcedPseudoState.clear();
</span><del>-    for (auto&amp; document : documentsToChange)
-        document-&gt;styleScope().didChangeStyleSheetEnvironment();
</del><ins>+    m_documentsWithForcedPseudoStates.clear();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorCSSAgenth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorCSSAgent.h (210315 => 210316)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorCSSAgent.h        2017-01-05 04:35:48 UTC (rev 210315)
+++ trunk/Source/WebCore/inspector/InspectorCSSAgent.h        2017-01-05 04:37:43 UTC (rev 210316)
</span><span class="lines">@@ -158,9 +158,8 @@
</span><span class="cx">     RefPtr&lt;Inspector::Protocol::CSS::NamedFlow&gt; buildObjectForNamedFlow(ErrorString&amp;, WebKitNamedFlow*, int documentNodeId);
</span><span class="cx"> 
</span><span class="cx">     // InspectorDOMAgent::DOMListener implementation
</span><del>-    void didRemoveDocument(Document*) override;
-    void didRemoveDOMNode(Node*) override;
-    void didModifyDOMAttr(Element*) override;
</del><ins>+    void didRemoveDOMNode(Node&amp;, int nodeId) override;
+    void didModifyDOMAttr(Element&amp;) override;
</ins><span class="cx"> 
</span><span class="cx">     // InspectorCSSAgent::Listener implementation
</span><span class="cx">     void styleSheetChanged(InspectorStyleSheet*) override;
</span><span class="lines">@@ -177,6 +176,7 @@
</span><span class="cx">     DocumentToViaInspectorStyleSheet m_documentToInspectorStyleSheet;
</span><span class="cx">     HashMap&lt;Document*, HashSet&lt;CSSStyleSheet*&gt;&gt; m_documentToKnownCSSStyleSheets;
</span><span class="cx">     NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
</span><ins>+    HashSet&lt;Document*&gt; m_documentsWithForcedPseudoStates;
</ins><span class="cx">     HashSet&lt;int&gt; m_namedFlowCollectionsRequested;
</span><span class="cx">     std::unique_ptr&lt;ChangeRegionOversetTask&gt; m_changeRegionOversetTask;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorDOMAgentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorDOMAgent.cpp (210315 => 210316)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorDOMAgent.cpp        2017-01-05 04:35:48 UTC (rev 210315)
+++ trunk/Source/WebCore/inspector/InspectorDOMAgent.cpp        2017-01-05 04:37:43 UTC (rev 210316)
</span><span class="lines">@@ -328,10 +328,7 @@
</span><span class="cx"> 
</span><span class="cx">     if (node-&gt;isFrameOwnerElement()) {
</span><span class="cx">         const HTMLFrameOwnerElement* frameOwner = static_cast&lt;const HTMLFrameOwnerElement*&gt;(node);
</span><del>-        Document* contentDocument = frameOwner-&gt;contentDocument();
-        if (m_domListener)
-            m_domListener-&gt;didRemoveDocument(contentDocument);
-        if (contentDocument)
</del><ins>+        if (Document* contentDocument = frameOwner-&gt;contentDocument())
</ins><span class="cx">             unbind(contentDocument, nodesMap);
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="lines">@@ -347,7 +344,7 @@
</span><span class="cx"> 
</span><span class="cx">     nodesMap-&gt;remove(node);
</span><span class="cx">     if (m_domListener)
</span><del>-        m_domListener-&gt;didRemoveDOMNode(node);
</del><ins>+        m_domListener-&gt;didRemoveDOMNode(*node, id);
</ins><span class="cx"> 
</span><span class="cx">     bool childrenRequested = m_childrenRequested.contains(id);
</span><span class="cx">     if (childrenRequested) {
</span><span class="lines">@@ -2021,7 +2018,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (m_domListener)
</span><del>-        m_domListener-&gt;didModifyDOMAttr(&amp;element);
</del><ins>+        m_domListener-&gt;didModifyDOMAttr(element);
</ins><span class="cx"> 
</span><span class="cx">     m_frontendDispatcher-&gt;attributeModified(id, name, value);
</span><span class="cx"> }
</span><span class="lines">@@ -2034,7 +2031,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (m_domListener)
</span><del>-        m_domListener-&gt;didModifyDOMAttr(&amp;element);
</del><ins>+        m_domListener-&gt;didModifyDOMAttr(element);
</ins><span class="cx"> 
</span><span class="cx">     m_frontendDispatcher-&gt;attributeRemoved(id, name);
</span><span class="cx"> }
</span><span class="lines">@@ -2049,7 +2046,7 @@
</span><span class="cx">             continue;
</span><span class="cx"> 
</span><span class="cx">         if (m_domListener)
</span><del>-            m_domListener-&gt;didModifyDOMAttr(element);
</del><ins>+            m_domListener-&gt;didModifyDOMAttr(*element);
</ins><span class="cx">         nodeIds-&gt;addItem(id);
</span><span class="cx">     }
</span><span class="cx">     m_frontendDispatcher-&gt;inlineStyleInvalidated(WTFMove(nodeIds));
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorDOMAgenth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorDOMAgent.h (210315 => 210316)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorDOMAgent.h        2017-01-05 04:35:48 UTC (rev 210315)
+++ trunk/Source/WebCore/inspector/InspectorDOMAgent.h        2017-01-05 04:37:43 UTC (rev 210316)
</span><span class="lines">@@ -92,12 +92,9 @@
</span><span class="cx">     WTF_MAKE_FAST_ALLOCATED;
</span><span class="cx"> public:
</span><span class="cx">     struct DOMListener {
</span><del>-        virtual ~DOMListener()
-        {
-        }
-        virtual void didRemoveDocument(Document*) = 0;
-        virtual void didRemoveDOMNode(Node*) = 0;
-        virtual void didModifyDOMAttr(Element*) = 0;
</del><ins>+        virtual ~DOMListener() { }
+        virtual void didRemoveDOMNode(Node&amp;, int nodeId) = 0;
+        virtual void didModifyDOMAttr(Element&amp;) = 0;
</ins><span class="cx">     };
</span><span class="cx"> 
</span><span class="cx">     InspectorDOMAgent(WebAgentContext&amp;, InspectorPageAgent*, InspectorOverlay*);
</span></span></pre>
</div>
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