/* * 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. */ #ifndef WebSQLiteDatabaseTracker_h #define WebSQLiteDatabaseTracker_h #include "WebProcessSupplement.h" #include <WebCore/HysteresisActivity.h> #include <WebCore/SQLiteDatabaseTrackerClient.h> #include <wtf/Noncopyable.h> #if ENABLE(SQL_DATABASE) namespace WebKit { class WebProcess; class WebSQLiteDatabaseTracker : public WebCore::SQLiteDatabaseTrackerClient, public WebProcessSupplement { WTF_MAKE_NONCOPYABLE(WebSQLiteDatabaseTracker); public: explicit WebSQLiteDatabaseTracker(WebProcess*); static const char* supplementName(); // WebSupplement virtual void initialize(const WebProcessCreationParameters&) override; // WebCore::SQLiteDatabaseTrackerClient virtual void willBeginFirstTransaction() override; virtual void didFinishLastTransaction() override; private: // WebCore::HysteresisActivity friend class WebCore::HysteresisActivity<WebSQLiteDatabaseTracker>; void started(); void stopped(); WebProcess* m_process; WebCore::HysteresisActivity<WebSQLiteDatabaseTracker> m_hysteresis; }; } // namespace WebKit #endif // ENABLE(SQL_DATABASE) #endif // WebSQLiteDatabaseTracker_h