/* * 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. */ #pragma once #include <WebCore/SQLiteDatabaseTrackerClient.h> #include <pal/HysteresisActivity.h> #include <wtf/Noncopyable.h> #include <wtf/WeakPtr.h> namespace WebKit { // Use eager initialization for the WeakPtrFactory since we call makeWeakPtr() from a non-main thread. class WebSQLiteDatabaseTracker final : public WebCore::SQLiteDatabaseTrackerClient, public CanMakeWeakPtr<WebSQLiteDatabaseTracker, WeakPtrFactoryInitialization::Eager> { WTF_MAKE_NONCOPYABLE(WebSQLiteDatabaseTracker) public: using IsHoldingLockedFilesHandler = Function<void(bool)>; explicit WebSQLiteDatabaseTracker(IsHoldingLockedFilesHandler&&); ~WebSQLiteDatabaseTracker(); void setIsSuspended(bool); private: void setIsHoldingLockedFiles(bool); // WebCore::SQLiteDatabaseTrackerClient. void willBeginFirstTransaction() final; void didFinishLastTransaction() final; IsHoldingLockedFilesHandler m_isHoldingLockedFilesHandler; PAL::HysteresisActivity m_hysteresis; bool m_isSuspended { false }; }; } // namespace WebKit