| /* |
| * 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> |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| static HashMap<uint64_t, VisitedLinkTableController*>& visitedLinkTableControllers() |
| { |
| static NeverDestroyed<HashMap<uint64_t, VisitedLinkTableController*>> visitedLinkTableControllers; |
| |
| return visitedLinkTableControllers; |
| } |
| |
| Ref<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 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&, SharedStringHash linkHash, const URL&, const AtomicString&) |
| { |
| return m_visitedLinkTable.contains(linkHash); |
| } |
| |
| void VisitedLinkTableController::addVisitedLink(Page& page, SharedStringHash linkHash) |
| { |
| if (m_visitedLinkTable.contains(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(sharedMemory.releaseNonNull()); |
| |
| invalidateStylesForAllLinks(); |
| } |
| |
| void VisitedLinkTableController::visitedLinkStateChanged(const Vector<WebCore::SharedStringHash>& linkHashes) |
| { |
| for (auto linkHash : linkHashes) |
| invalidateStylesForLink(linkHash); |
| } |
| |
| void VisitedLinkTableController::allVisitedLinkStateChanged() |
| { |
| invalidateStylesForAllLinks(); |
| } |
| |
| void VisitedLinkTableController::removeAllVisitedLinks() |
| { |
| m_visitedLinkTable.setSharedMemory(nullptr); |
| |
| invalidateStylesForAllLinks(); |
| } |
| |
| } // namespace WebKit |