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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/164678">164678</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2014-02-25 15:28:36 -0800 (Tue, 25 Feb 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Simplify visited link style invalidation
https://bugs.webkit.org/show_bug.cgi?id=129340

Reviewed by Dan Bernstein.

Source/WebCore:

Get rid of the static Page::allVisitedStateChanged and Page::visitedStateChanged
member functions and add functions to invalidate all styles on a single page or the style
for a single link hash on a single page.

* WebCore.exp.in:
* page/Page.cpp:
(WebCore::Page::invalidateStylesForAllLinks):
(WebCore::Page::invalidateStylesForLink):
* page/Page.h:
* page/PageGroup.cpp:
(WebCore::PageGroup::addVisitedLink):
(WebCore::PageGroup::removeVisitedLink):
(WebCore::PageGroup::removeVisitedLinks):

Source/WebKit2:

* UIProcess/VisitedLinkProvider.cpp:
(WebKit::VisitedLinkProvider::addVisitedLink):
* WebProcess/WebProcess.cpp:
(WebKit::WebProcess::visitedLinkStateChanged):
(WebKit::WebProcess::allVisitedLinkStateChanged):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebCorepagePagecpp">trunk/Source/WebCore/page/Page.cpp</a></li>
<li><a href="#trunkSourceWebCorepagePageh">trunk/Source/WebCore/page/Page.h</a></li>
<li><a href="#trunkSourceWebCorepagePageGroupcpp">trunk/Source/WebCore/page/PageGroup.cpp</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebProcesscpp">trunk/Source/WebKit2/WebProcess/WebProcess.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebCore/ChangeLog        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2014-02-25  Anders Carlsson  &lt;andersca@apple.com&gt;
+
+        Simplify visited link style invalidation
+        https://bugs.webkit.org/show_bug.cgi?id=129340
+
+        Reviewed by Dan Bernstein.
+
+        Get rid of the static Page::allVisitedStateChanged and Page::visitedStateChanged
+        member functions and add functions to invalidate all styles on a single page or the style
+        for a single link hash on a single page.
+
+        * WebCore.exp.in:
+        * page/Page.cpp:
+        (WebCore::Page::invalidateStylesForAllLinks):
+        (WebCore::Page::invalidateStylesForLink):
+        * page/Page.h:
+        * page/PageGroup.cpp:
+        (WebCore::PageGroup::addVisitedLink):
+        (WebCore::PageGroup::removeVisitedLink):
+        (WebCore::PageGroup::removeVisitedLinks):
+
</ins><span class="cx"> 2014-02-25  Andreas Kling  &lt;akling@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Remove unused ThreadSpecificInspectorCounters.
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -1021,19 +1021,19 @@
</span><span class="cx"> __ZN7WebCore4Page19addHeaderWithHeightEi
</span><span class="cx"> #endif
</span><span class="cx"> __ZN7WebCore4Page19addLayoutMilestonesEj
</span><del>-__ZN7WebCore4Page19visitedStateChangedEPNS_9PageGroupEy
</del><span class="cx"> __ZN7WebCore4Page20setDeviceScaleFactorEf
</span><span class="cx"> __ZN7WebCore4Page20unmarkAllTextMatchesEv
</span><span class="cx"> __ZN7WebCore4Page21markAllMatchesForTextERKN3WTF6StringEjbj
</span><span class="cx"> __ZN7WebCore4Page21resumeAnimatingImagesEv
</span><del>-__ZN7WebCore4Page22allVisitedStateChangedEPNS_9PageGroupE
</del><span class="cx"> __ZN7WebCore4Page22nonFastScrollableRectsEPKNS_5FrameE
</span><span class="cx"> __ZN7WebCore4Page22removeLayoutMilestonesEj
</span><span class="cx"> __ZN7WebCore4Page23clearUndoRedoOperationsEv
</span><ins>+__ZN7WebCore4Page23invalidateStylesForLinkEy
</ins><span class="cx"> __ZN7WebCore4Page24findStringMatchingRangesERKN3WTF6StringEjiPNS1_6VectorINS1_6RefPtrINS_5RangeEEELm0ENS1_15CrashOnOverflowEEERi
</span><span class="cx"> __ZN7WebCore4Page24resumeScriptedAnimationsEv
</span><span class="cx"> __ZN7WebCore4Page24scrollingStateTreeAsTextEv
</span><span class="cx"> __ZN7WebCore4Page25suspendScriptedAnimationsEv
</span><ins>+__ZN7WebCore4Page27invalidateStylesForAllLinksEv
</ins><span class="cx"> __ZN7WebCore4Page33synchronousScrollingReasonsAsTextEv
</span><span class="cx"> __ZN7WebCore4Page32setMemoryCacheClientCallsEnabledEb
</span><span class="cx"> __ZN7WebCore4Page35resumeActiveDOMObjectsAndAnimationsEv
</span></span></pre></div>
<a id="trunkSourceWebCorepagePagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.cpp (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.cpp        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebCore/page/Page.cpp        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -932,36 +932,16 @@
</span><span class="cx">         (*it)-&gt;removeVisitedLinks();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Page::allVisitedStateChanged(PageGroup* group)
</del><ins>+void Page::invalidateStylesForAllLinks()
</ins><span class="cx"> {
</span><del>-    ASSERT(group);
-    if (!allPages)
-        return;
-
-    HashSet&lt;Page*&gt;::iterator pagesEnd = allPages-&gt;end();
-    for (HashSet&lt;Page*&gt;::iterator it = allPages-&gt;begin(); it != pagesEnd; ++it) {
-        Page* page = *it;
-        if (page-&gt;m_group != group)
-            continue;
-        for (Frame* frame = page-&gt;m_mainFrame.get(); frame; frame = frame-&gt;tree().traverseNext())
-            frame-&gt;document()-&gt;visitedLinkState().invalidateStyleForAllLinks();
-    }
</del><ins>+    for (Frame* frame = m_mainFrame.get(); frame; frame = frame-&gt;tree().traverseNext())
+        frame-&gt;document()-&gt;visitedLinkState().invalidateStyleForAllLinks();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Page::visitedStateChanged(PageGroup* group, LinkHash linkHash)
</del><ins>+void Page::invalidateStylesForLink(LinkHash linkHash)
</ins><span class="cx"> {
</span><del>-    ASSERT(group);
-    if (!allPages)
-        return;
-
-    HashSet&lt;Page*&gt;::iterator pagesEnd = allPages-&gt;end();
-    for (HashSet&lt;Page*&gt;::iterator it = allPages-&gt;begin(); it != pagesEnd; ++it) {
-        Page* page = *it;
-        if (page-&gt;m_group != group)
-            continue;
-        for (Frame* frame = page-&gt;m_mainFrame.get(); frame; frame = frame-&gt;tree().traverseNext())
-            frame-&gt;document()-&gt;visitedLinkState().invalidateStyleForLink(linkHash);
-    }
</del><ins>+    for (Frame* frame = m_mainFrame.get(); frame; frame = frame-&gt;tree().traverseNext())
+        frame-&gt;document()-&gt;visitedLinkState().invalidateStyleForLink(linkHash);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void Page::setDebugger(JSC::Debugger* debugger)
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.h (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.h        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebCore/page/Page.h        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -317,8 +317,8 @@
</span><span class="cx"> 
</span><span class="cx">     static void removeAllVisitedLinks();
</span><span class="cx"> 
</span><del>-    static void allVisitedStateChanged(PageGroup*);
-    static void visitedStateChanged(PageGroup*, LinkHash visitedHash);
</del><ins>+    void invalidateStylesForAllLinks();
+    void invalidateStylesForLink(LinkHash);
</ins><span class="cx"> 
</span><span class="cx">     StorageNamespace* sessionStorage(bool optionalCreate = true);
</span><span class="cx">     void setSessionStorage(PassRefPtr&lt;StorageNamespace&gt;);
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageGroupcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/PageGroup.cpp (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/PageGroup.cpp        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebCore/page/PageGroup.cpp        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -207,7 +207,8 @@
</span><span class="cx">     ASSERT(shouldTrackVisitedLinks);
</span><span class="cx">     if (!m_visitedLinkHashes.add(hash).isNewEntry)
</span><span class="cx">         return;
</span><del>-    Page::visitedStateChanged(this, hash);
</del><ins>+    for (auto&amp; page : m_pages)
+        page-&gt;invalidateStylesForLink(hash);
</ins><span class="cx">     pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -232,7 +233,9 @@
</span><span class="cx">     ASSERT(m_visitedLinkHashes.contains(hash));
</span><span class="cx">     m_visitedLinkHashes.remove(hash);
</span><span class="cx"> 
</span><del>-    Page::allVisitedStateChanged(this);
</del><ins>+    // FIXME: Why can't we just invalidate the single visited link hash here?
+    for (auto&amp; page : m_pages)
+        page-&gt;invalidateStylesForAllLinks();
</ins><span class="cx">     pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -242,7 +245,9 @@
</span><span class="cx">     if (m_visitedLinkHashes.isEmpty())
</span><span class="cx">         return;
</span><span class="cx">     m_visitedLinkHashes.clear();
</span><del>-    Page::allVisitedStateChanged(this);
</del><ins>+
+    for (auto&amp; page : m_pages)
+        page-&gt;invalidateStylesForAllLinks();
</ins><span class="cx">     pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebKit2/ChangeLog        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -1,5 +1,18 @@
</span><span class="cx"> 2014-02-25  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Simplify visited link style invalidation
+        https://bugs.webkit.org/show_bug.cgi?id=129340
+
+        Reviewed by Dan Bernstein.
+
+        * UIProcess/VisitedLinkProvider.cpp:
+        (WebKit::VisitedLinkProvider::addVisitedLink):
+        * WebProcess/WebProcess.cpp:
+        (WebKit::WebProcess::visitedLinkStateChanged):
+        (WebKit::WebProcess::allVisitedLinkStateChanged):
+
+2014-02-25  Anders Carlsson  &lt;andersca@apple.com&gt;
+
</ins><span class="cx">         Fix build.
</span><span class="cx"> 
</span><span class="cx">         Remove VisitedLinkStrategy.
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebProcess.cpp (164677 => 164678)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebProcess.cpp        2014-02-25 23:17:08 UTC (rev 164677)
+++ trunk/Source/WebKit2/WebProcess/WebProcess.cpp        2014-02-25 23:28:36 UTC (rev 164678)
</span><span class="lines">@@ -506,11 +506,11 @@
</span><span class="cx"> void WebProcess::visitedLinkStateChanged(const Vector&lt;WebCore::LinkHash&gt;&amp; linkHashes)
</span><span class="cx"> {
</span><span class="cx">     // FIXME: We may want to track visited links per WebPageGroup rather than per WebContext.
</span><del>-    for (size_t i = 0; i &lt; linkHashes.size(); ++i) {
-        HashMap&lt;uint64_t, RefPtr&lt;WebPageGroupProxy&gt;&gt;::const_iterator it = m_pageGroupMap.begin();
-        HashMap&lt;uint64_t, RefPtr&lt;WebPageGroupProxy&gt;&gt;::const_iterator end = m_pageGroupMap.end();
-        for (; it != end; ++it)
-            Page::visitedStateChanged(PageGroup::pageGroup(it-&gt;value-&gt;identifier()), linkHashes[i]);
</del><ins>+    for (const auto&amp; webPage : m_pageMap.values()) {
+        if (Page* page = webPage-&gt;corePage()) {
+            for (auto linkHash : linkHashes)
+                page-&gt;invalidateStylesForLink(linkHash);
+        }
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</span><span class="lines">@@ -518,11 +518,10 @@
</span><span class="cx"> 
</span><span class="cx"> void WebProcess::allVisitedLinkStateChanged()
</span><span class="cx"> {
</span><del>-    // FIXME: We may want to track visited links per WebPageGroup rather than per WebContext.
-    HashMap&lt;uint64_t, RefPtr&lt;WebPageGroupProxy&gt;&gt;::const_iterator it = m_pageGroupMap.begin();
-    HashMap&lt;uint64_t, RefPtr&lt;WebPageGroupProxy&gt;&gt;::const_iterator end = m_pageGroupMap.end();
-    for (; it != end; ++it)
-        Page::allVisitedStateChanged(PageGroup::pageGroup(it-&gt;value-&gt;identifier()));
</del><ins>+    for (const auto&amp; webPage : m_pageMap.values()) {
+        if (Page* page = webPage-&gt;corePage())
+            page-&gt;invalidateStylesForAllLinks();
+    }
</ins><span class="cx"> 
</span><span class="cx">     pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</span><span class="cx"> }
</span></span></pre>
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