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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/176575">176575</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2014-11-29 13:49:40 -0800 (Sat, 29 Nov 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>More work on the legacy WebKit visited link store
https://bugs.webkit.org/show_bug.cgi?id=139100

Reviewed by Sam Weinig.

* History/WebHistory.mm:
(+[WebHistory setOptionalSharedHistory:]):
Call WebVisitedLinkStore::setShouldTrackVisitedLinks and WebVisitedLinkStore::removeAllVisitedLinks.

* WebCoreSupport/WebVisitedLinkStore.h:
* WebCoreSupport/WebVisitedLinkStore.mm:
(visitedLinkStores):
(WebVisitedLinkStore::WebVisitedLinkStore):
(WebVisitedLinkStore::~WebVisitedLinkStore):
Keep track of live visited link stores.

(WebVisitedLinkStore::setShouldTrackVisitedLinks):
Update s_shouldTrackVisitedLinks and call removeAllVisitedLinks if necessary.

(WebVisitedLinkStore::removeAllVisitedLinks):
Iterate over all live link stores and remove their links.

(WebVisitedLinkStore::isLinkVisited):
Populate visited links and check if our hash table contains the link.

(WebVisitedLinkStore::addVisitedLink):
Add the link hash to the table.

(WebVisitedLinkStore::populateVisitedLinksIfNeeded):
Add stub.

(WebVisitedLinkStore::removeVisitedLinkHashes):
Clear out the hash table.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKitmacChangeLog">trunk/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitmacHistoryWebHistorymm">trunk/Source/WebKit/mac/History/WebHistory.mm</a></li>
<li><a href="#trunkSourceWebKitmacWebCoreSupportWebVisitedLinkStoreh">trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.h</a></li>
<li><a href="#trunkSourceWebKitmacWebCoreSupportWebVisitedLinkStoremm">trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/ChangeLog (176574 => 176575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/ChangeLog        2014-11-29 21:12:55 UTC (rev 176574)
+++ trunk/Source/WebKit/mac/ChangeLog        2014-11-29 21:49:40 UTC (rev 176575)
</span><span class="lines">@@ -1,3 +1,39 @@
</span><ins>+2014-11-29  Anders Carlsson  &lt;andersca@apple.com&gt;
+
+        More work on the legacy WebKit visited link store
+        https://bugs.webkit.org/show_bug.cgi?id=139100
+
+        Reviewed by Sam Weinig.
+
+        * History/WebHistory.mm:
+        (+[WebHistory setOptionalSharedHistory:]):
+        Call WebVisitedLinkStore::setShouldTrackVisitedLinks and WebVisitedLinkStore::removeAllVisitedLinks.
+
+        * WebCoreSupport/WebVisitedLinkStore.h:
+        * WebCoreSupport/WebVisitedLinkStore.mm:
+        (visitedLinkStores):
+        (WebVisitedLinkStore::WebVisitedLinkStore):
+        (WebVisitedLinkStore::~WebVisitedLinkStore):
+        Keep track of live visited link stores.
+
+        (WebVisitedLinkStore::setShouldTrackVisitedLinks):
+        Update s_shouldTrackVisitedLinks and call removeAllVisitedLinks if necessary.
+
+        (WebVisitedLinkStore::removeAllVisitedLinks):
+        Iterate over all live link stores and remove their links.
+
+        (WebVisitedLinkStore::isLinkVisited):
+        Populate visited links and check if our hash table contains the link.
+
+        (WebVisitedLinkStore::addVisitedLink):
+        Add the link hash to the table.
+
+        (WebVisitedLinkStore::populateVisitedLinksIfNeeded):
+        Add stub.
+
+        (WebVisitedLinkStore::removeVisitedLinkHashes):
+        Clear out the hash table.
+
</ins><span class="cx"> 2014-11-27  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Add a stubbed out WebVisitedLinkStore to WebViewGroup
</span></span></pre></div>
<a id="trunkSourceWebKitmacHistoryWebHistorymm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/History/WebHistory.mm (176574 => 176575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/History/WebHistory.mm        2014-11-29 21:12:55 UTC (rev 176574)
+++ trunk/Source/WebKit/mac/History/WebHistory.mm        2014-11-29 21:49:40 UTC (rev 176575)
</span><span class="lines">@@ -33,6 +33,7 @@
</span><span class="cx"> #import &quot;WebKitLogging.h&quot;
</span><span class="cx"> #import &quot;WebNSURLExtras.h&quot;
</span><span class="cx"> #import &quot;WebTypesInternal.h&quot;
</span><ins>+#import &quot;WebVisitedLinkStore.h&quot;
</ins><span class="cx"> #import &lt;WebCore/HistoryItem.h&gt;
</span><span class="cx"> #import &lt;WebCore/NSCalendarDateSPI.h&gt;
</span><span class="cx"> #import &lt;WebCore/PageGroup.h&gt;
</span><span class="lines">@@ -727,8 +728,11 @@
</span><span class="cx">     // and correct synchronization of history file between applications.
</span><span class="cx">     [_sharedHistory release];
</span><span class="cx">     _sharedHistory = [history retain];
</span><ins>+
</ins><span class="cx">     PageGroup::setShouldTrackVisitedLinks(history);
</span><span class="cx">     PageGroup::removeAllVisitedLinks();
</span><ins>+    WebVisitedLinkStore::setShouldTrackVisitedLinks(history);
+    WebVisitedLinkStore::removeAllVisitedLinks();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)timeZoneChanged:(NSNotification *)notification
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebCoreSupportWebVisitedLinkStoreh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.h (176574 => 176575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.h        2014-11-29 21:12:55 UTC (rev 176574)
+++ trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.h        2014-11-29 21:49:40 UTC (rev 176575)
</span><span class="lines">@@ -26,6 +26,7 @@
</span><span class="cx"> #ifndef WebVisitedLinkStore_h
</span><span class="cx"> #define WebVisitedLinkStore_h
</span><span class="cx"> 
</span><ins>+#import &lt;WebCore/LinkHash.h&gt;
</ins><span class="cx"> #import &lt;WebCore/VisitedLinkStore.h&gt;
</span><span class="cx"> #import &lt;wtf/PassRef.h&gt;
</span><span class="cx"> 
</span><span class="lines">@@ -34,11 +35,20 @@
</span><span class="cx">     static PassRef&lt;WebVisitedLinkStore&gt; create();
</span><span class="cx">     virtual ~WebVisitedLinkStore();
</span><span class="cx"> 
</span><ins>+    static void setShouldTrackVisitedLinks(bool);
+    static void removeAllVisitedLinks();
+
</ins><span class="cx"> private:
</span><span class="cx">     WebVisitedLinkStore();
</span><span class="cx"> 
</span><span class="cx">     virtual bool isLinkVisited(WebCore::Page&amp;, WebCore::LinkHash, const WebCore::URL&amp; baseURL, const AtomicString&amp; attributeURL) override;
</span><span class="cx">     virtual void addVisitedLink(WebCore::Page&amp;, WebCore::LinkHash) override;
</span><ins>+
+    void populateVisitedLinksIfNeeded(WebCore::Page&amp;);
+    void removeVisitedLinkHashes();
+
+    HashSet&lt;WebCore::LinkHash, WebCore::LinkHashHash&gt; m_visitedLinkHashes;
+    bool m_visitedLinksPopulated;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> #endif // WebVisitedLinkStore_h
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebCoreSupportWebVisitedLinkStoremm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.mm (176574 => 176575)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.mm        2014-11-29 21:12:55 UTC (rev 176574)
+++ trunk/Source/WebKit/mac/WebCoreSupport/WebVisitedLinkStore.mm        2014-11-29 21:49:40 UTC (rev 176575)
</span><span class="lines">@@ -25,26 +25,84 @@
</span><span class="cx"> 
</span><span class="cx"> #import &quot;WebVisitedLinkStore.h&quot;
</span><span class="cx"> 
</span><ins>+#import &lt;WebCore/PageCache.h&gt;
+#import &lt;wtf/NeverDestroyed.h&gt;
+
+using namespace WebCore;
+
+static bool s_shouldTrackVisitedLinks;
+
+static HashSet&lt;WebVisitedLinkStore*&gt;&amp; visitedLinkStores()
+{
+    static NeverDestroyed&lt;HashSet&lt;WebVisitedLinkStore*&gt;&gt; visitedLinkStores;
+
+    return visitedLinkStores;
+}
+
+
</ins><span class="cx"> PassRef&lt;WebVisitedLinkStore&gt; WebVisitedLinkStore::create()
</span><span class="cx"> {
</span><span class="cx">     return adoptRef(*new WebVisitedLinkStore);
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> WebVisitedLinkStore::WebVisitedLinkStore()
</span><ins>+    : m_visitedLinksPopulated(false)
</ins><span class="cx"> {
</span><ins>+    visitedLinkStores().add(this);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> WebVisitedLinkStore::~WebVisitedLinkStore()
</span><span class="cx"> {
</span><ins>+    visitedLinkStores().remove(this);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-bool WebVisitedLinkStore::isLinkVisited(WebCore::Page&amp;, WebCore::LinkHash, const WebCore::URL&amp; baseURL, const AtomicString&amp; attributeURL)
</del><ins>+void WebVisitedLinkStore::setShouldTrackVisitedLinks(bool shouldTrackVisitedLinks)
</ins><span class="cx"> {
</span><del>-    // FIXME: Implement.
-    return false;
</del><ins>+    if (s_shouldTrackVisitedLinks == shouldTrackVisitedLinks)
+        return;
+    s_shouldTrackVisitedLinks = shouldTrackVisitedLinks;
+    if (!s_shouldTrackVisitedLinks)
+        removeAllVisitedLinks();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebVisitedLinkStore::addVisitedLink(WebCore::Page&amp;, WebCore::LinkHash)
</del><ins>+void WebVisitedLinkStore::removeAllVisitedLinks()
</ins><span class="cx"> {
</span><del>-    // FIXME: Implement.
</del><ins>+    for (auto&amp; visitedLinkStore : visitedLinkStores())
+        visitedLinkStore-&gt;removeVisitedLinkHashes();
+    pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
</ins><span class="cx"> }
</span><ins>+
+bool WebVisitedLinkStore::isLinkVisited(Page&amp; page, LinkHash linkHash, const URL&amp; baseURL, const AtomicString&amp; attributeURL)
+{
+    return m_visitedLinkHashes.contains(linkHash);
+}
+
+void WebVisitedLinkStore::addVisitedLink(Page&amp; sourcePage, LinkHash linkHash)
+{
+    ASSERT(s_shouldTrackVisitedLinks);
+
+    m_visitedLinkHashes.add(linkHash);
+
+    invalidateStylesForLink(linkHash);
+    pageCache()-&gt;markPagesForVistedLinkStyleRecalc();
+}
+
+void WebVisitedLinkStore::populateVisitedLinksIfNeeded(Page&amp;)
+{
+    if (m_visitedLinksPopulated)
+        return;
+
+    m_visitedLinksPopulated = true;
+
+    // FIXME: Populate visited links.
+}
+
+void WebVisitedLinkStore::removeVisitedLinkHashes()
+{
+    m_visitedLinksPopulated = false;
+    if (m_visitedLinkHashes.isEmpty())
+        return;
+    m_visitedLinkHashes.clear();
+
+    invalidateStylesForAllLinks();
+}
</ins></span></pre>
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