1/* 2 * Copyright 2012 Samsung Electronics. 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#include "config.h" 27#include "DeviceProximityController.h" 28 29#if ENABLE(PROXIMITY_EVENTS) 30 31#include "DeviceProximityClient.h" 32#include "DeviceProximityEvent.h" 33#include "Page.h" 34 35namespace WebCore { 36 37DeviceProximityController::DeviceProximityController(DeviceProximityClient* client) 38 : DeviceController(client) 39{ 40 ASSERT(m_client); 41} 42 43void DeviceProximityController::didChangeDeviceProximity(const double value, const double min, const double max) 44{ 45 ASSERT(value >= min && value <= max); 46 47 dispatchDeviceEvent(DeviceProximityEvent::create(eventNames().webkitdeviceproximityEvent, value, min, max)); 48} 49 50DeviceProximityClient* DeviceProximityController::deviceProximityClient() 51{ 52 return static_cast<DeviceProximityClient*>(m_client); 53} 54 55bool DeviceProximityController::hasLastData() 56{ 57 return deviceProximityClient()->hasLastData(); 58} 59 60PassRefPtr<Event> DeviceProximityController::getLastEvent() 61{ 62 return DeviceProximityEvent::create(eventNames().webkitdeviceproximityEvent, deviceProximityClient()->value(), deviceProximityClient()->min(), deviceProximityClient()->max()); 63} 64 65const char* DeviceProximityController::supplementName() 66{ 67 return "DeviceProximityController"; 68} 69 70DeviceProximityController* DeviceProximityController::from(Page* page) 71{ 72 return static_cast<DeviceProximityController*>(Supplement<Page>::from(page, supplementName())); 73} 74 75bool DeviceProximityController::isActiveAt(Page* page) 76{ 77 if (DeviceProximityController* controller = DeviceProximityController::from(page)) 78 return controller->isActive(); 79 return false; 80} 81 82void provideDeviceProximityTo(Page* page, DeviceProximityClient* client) 83{ 84 DeviceProximityController::provideTo(page, DeviceProximityController::supplementName(), std::make_unique<DeviceProximityController>(client)); 85} 86 87} // namespace WebCore 88 89#endif // PROXIMITY_EVENTS 90