/* * Copyright (C) 2019 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. */ #pragma once #include <WebCore/BackForwardItemIdentifier.h> #include <WebCore/ProcessIdentifier.h> #include <wtf/Forward.h> #include <wtf/RunLoop.h> namespace WebKit { class SuspendedPageProxy; class WebBackForwardCache; class WebProcessProxy; class WebBackForwardCacheEntry { WTF_MAKE_FAST_ALLOCATED; public: WebBackForwardCacheEntry(WebBackForwardCache&, WebCore::BackForwardItemIdentifier, WebCore::ProcessIdentifier, std::unique_ptr<SuspendedPageProxy>&& = nullptr); ~WebBackForwardCacheEntry(); WebBackForwardCache& backForwardCache() const { return m_backForwardCache; } SuspendedPageProxy* suspendedPage() const { return m_suspendedPage.get(); } std::unique_ptr<SuspendedPageProxy> takeSuspendedPage(); WebCore::ProcessIdentifier processIdentifier() const { return m_processIdentifier; } WebProcessProxy& process() const; private: void expirationTimerFired(); WebBackForwardCache& m_backForwardCache; WebCore::ProcessIdentifier m_processIdentifier; WebCore::BackForwardItemIdentifier m_backForwardItemID; std::unique_ptr<SuspendedPageProxy> m_suspendedPage; RunLoop::Timer<WebBackForwardCacheEntry> m_expirationTimer; }; } // namespace WebKit