1 /* 2 * Copyright 2010 Apple Inc. All rights reserved. 3 * Copyright (C) 2012 Samsung Electronics. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "modules/device_orientation/NewDeviceOrientationController.h" 29 30 #include "core/dom/Document.h" 31 #include "modules/device_orientation/DeviceOrientationData.h" 32 #include "modules/device_orientation/DeviceOrientationDispatcher.h" 33 #include "modules/device_orientation/DeviceOrientationEvent.h" 34 35 namespace WebCore { 36 37 NewDeviceOrientationController::NewDeviceOrientationController(Document* document) 38 : DeviceSensorEventController(document) 39 { 40 } 41 42 NewDeviceOrientationController::~NewDeviceOrientationController() 43 { 44 } 45 46 void NewDeviceOrientationController::didChangeDeviceOrientation(DeviceOrientationData* deviceOrientationData) 47 { 48 dispatchDeviceEvent(DeviceOrientationEvent::create(eventNames().deviceorientationEvent, deviceOrientationData)); 49 } 50 51 const char* NewDeviceOrientationController::supplementName() 52 { 53 return "NewDeviceOrientationController"; 54 } 55 56 NewDeviceOrientationController* NewDeviceOrientationController::from(Document* document) 57 { 58 NewDeviceOrientationController* controller = static_cast<NewDeviceOrientationController*>(Supplement<ScriptExecutionContext>::from(document, supplementName())); 59 if (!controller) { 60 controller = new NewDeviceOrientationController(document); 61 Supplement<ScriptExecutionContext>::provideTo(document, supplementName(), adoptPtr(controller)); 62 } 63 return controller; 64 } 65 66 bool NewDeviceOrientationController::hasLastData() 67 { 68 return DeviceOrientationDispatcher::instance().latestDeviceOrientationData(); 69 } 70 71 PassRefPtr<Event> NewDeviceOrientationController::getLastEvent() 72 { 73 return DeviceOrientationEvent::create(eventNames().deviceorientationEvent, 74 DeviceOrientationDispatcher::instance().latestDeviceOrientationData()); 75 } 76 77 void NewDeviceOrientationController::registerWithDispatcher() 78 { 79 DeviceOrientationDispatcher::instance().addDeviceOrientationController(this); 80 } 81 82 void NewDeviceOrientationController::unregisterWithDispatcher() 83 { 84 DeviceOrientationDispatcher::instance().removeDeviceOrientationController(this); 85 } 86 87 bool NewDeviceOrientationController::isNullEvent(Event* event) 88 { 89 ASSERT(event->type() == eventNames().deviceorientationEvent); 90 DeviceOrientationEvent* orientationEvent = static_cast<DeviceOrientationEvent*>(event); 91 return !orientationEvent->orientation()->canProvideEventData(); 92 } 93 94 } // namespace WebCore 95