/* * 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 UserActivity_h #define UserActivity_h #include "HysteresisActivity.h" #if HAVE(NS_ACTIVITY) #include <wtf/RetainPtr.h> #include <wtf/RunLoop.h> OBJC_CLASS NSString; #endif namespace WebCore { // The UserActivity type is used to indicate to the operating system that // a user initiated or visible action is taking place, and as such that // resources should be allocated to the process accordingly. class UserActivity : public HysteresisActivity<UserActivity> { public: class Impl { public: explicit Impl(const char* description); void beginActivity(); void endActivity(); #if HAVE(NS_ACTIVITY) private: RetainPtr<id> m_activity; RetainPtr<NSString> m_description; #endif }; explicit UserActivity(const char* description); private: friend class HysteresisActivity<UserActivity>; void started(); void stopped(); Impl m_impl; }; } // namespace WebCore using WebCore::UserActivity; #endif // UserActivity_h