1/* 2 * Copyright (C) 2014 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef ServicesController_h 27#define ServicesController_h 28 29#if ENABLE(SERVICE_CONTROLS) 30 31#include <wtf/Forward.h> 32#include <wtf/Noncopyable.h> 33#include <wtf/RetainPtr.h> 34 35namespace WebKit { 36 37class WebContext; 38 39class ServicesController { 40 WTF_MAKE_NONCOPYABLE(ServicesController); 41 friend class NeverDestroyed<ServicesController>; 42public: 43 static ServicesController& shared(); 44 45 bool hasImageServices() const { return m_hasImageServices; } 46 bool hasSelectionServices() const { return m_hasSelectionServices; } 47 bool hasRichContentServices() const { return m_hasRichContentServices; } 48 49 void refreshExistingServices(bool refreshImmediately = true); 50 51private: 52 ServicesController(); 53 54 dispatch_queue_t m_refreshQueue; 55 std::atomic_bool m_hasPendingRefresh; 56 57 bool m_hasImageServices; 58 bool m_hasSelectionServices; 59 bool m_hasRichContentServices; 60 61 RetainPtr<id> m_extensionWatcher; 62 RetainPtr<id> m_uiExtensionWatcher; 63}; 64 65} // namespace WebKit 66 67#endif // ENABLE(SERVICE_CONTROLS) 68#endif // ServicesController_h 69