1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/WebPage/VisitedLinkTableController.cpp b/Source/WebKit2/WebProcess/WebPage/VisitedLinkTableController.cpp
new file mode 100644
index 000000000..0e676f966
--- /dev/null
+++ b/Source/WebKit2/WebProcess/WebPage/VisitedLinkTableController.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "VisitedLinkTableController.h"
+
+#include "VisitedLinkStoreMessages.h"
+#include "VisitedLinkTableControllerMessages.h"
+#include "WebPage.h"
+#include "WebProcess.h"
+#include <WebCore/PageCache.h>
+#include <wtf/NeverDestroyed.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+static HashMap<uint64_t, VisitedLinkTableController*>& visitedLinkTableControllers()
+{
+    static NeverDestroyed<HashMap<uint64_t, VisitedLinkTableController*>> visitedLinkTableControllers;
+
+    return visitedLinkTableControllers;
+}
+
+PassRefPtr<VisitedLinkTableController> VisitedLinkTableController::getOrCreate(uint64_t identifier)
+{
+    auto& visitedLinkTableControllerPtr = visitedLinkTableControllers().add(identifier, nullptr).iterator->value;
+    if (visitedLinkTableControllerPtr)
+        return visitedLinkTableControllerPtr;
+
+    auto visitedLinkTableController = adoptRef(*new VisitedLinkTableController(identifier));
+    visitedLinkTableControllerPtr = visitedLinkTableController.ptr();
+
+    return WTFMove(visitedLinkTableController);
+}
+
+VisitedLinkTableController::VisitedLinkTableController(uint64_t identifier)
+    : m_identifier(identifier)
+{
+    WebProcess::singleton().addMessageReceiver(Messages::VisitedLinkTableController::messageReceiverName(), m_identifier, *this);
+}
+
+VisitedLinkTableController::~VisitedLinkTableController()
+{
+    ASSERT(visitedLinkTableControllers().contains(m_identifier));
+
+    WebProcess::singleton().removeMessageReceiver(Messages::VisitedLinkTableController::messageReceiverName(), m_identifier);
+
+    visitedLinkTableControllers().remove(m_identifier);
+}
+
+bool VisitedLinkTableController::isLinkVisited(Page&, LinkHash linkHash, const URL&, const AtomicString&)
+{
+    return m_visitedLinkTable.isLinkVisited(linkHash);
+}
+
+void VisitedLinkTableController::addVisitedLink(Page& page, LinkHash linkHash)
+{
+    if (m_visitedLinkTable.isLinkVisited(linkHash))
+        return;
+
+    WebPage* webPage = WebPage::fromCorePage(&page);
+    if (!webPage)
+        return;
+
+    WebProcess::singleton().parentProcessConnection()->send(Messages::VisitedLinkStore::AddVisitedLinkHashFromPage(webPage->pageID(), linkHash), m_identifier);
+}
+
+void VisitedLinkTableController::setVisitedLinkTable(const SharedMemory::Handle& handle)
+{
+    auto sharedMemory = SharedMemory::map(handle, SharedMemory::Protection::ReadOnly);
+    if (!sharedMemory)
+        return;
+
+    m_visitedLinkTable.setSharedMemory(WTFMove(sharedMemory));
+
+    invalidateStylesForAllLinks();
+}
+
+void VisitedLinkTableController::visitedLinkStateChanged(const Vector<WebCore::LinkHash>& linkHashes)
+{
+    for (auto linkHash : linkHashes)
+        invalidateStylesForLink(linkHash);
+}
+
+void VisitedLinkTableController::allVisitedLinkStateChanged()
+{
+    invalidateStylesForAllLinks();
+}
+
+void VisitedLinkTableController::removeAllVisitedLinks()
+{
+    m_visitedLinkTable.clear();
+
+    invalidateStylesForAllLinks();
+}
+
+} // namespace WebKit