1 /* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 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 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "modules/device_orientation/DeviceMotionDispatcher.h" 33 34 #include "modules/device_orientation/DeviceMotionController.h" 35 #include "modules/device_orientation/DeviceMotionData.h" 36 #include "public/platform/Platform.h" 37 38 namespace blink { 39 40 DeviceMotionDispatcher& DeviceMotionDispatcher::instance() 41 { 42 DEFINE_STATIC_LOCAL(DeviceMotionDispatcher, deviceMotionDispatcher, ()); 43 return deviceMotionDispatcher; 44 } 45 46 DeviceMotionDispatcher::DeviceMotionDispatcher() 47 { 48 } 49 50 DeviceMotionDispatcher::~DeviceMotionDispatcher() 51 { 52 } 53 54 void DeviceMotionDispatcher::startListening() 55 { 56 Platform::current()->startListening(WebPlatformEventDeviceMotion, this); 57 } 58 59 void DeviceMotionDispatcher::stopListening() 60 { 61 Platform::current()->stopListening(WebPlatformEventDeviceMotion); 62 m_lastDeviceMotionData.clear(); 63 } 64 65 void DeviceMotionDispatcher::didChangeDeviceMotion(const WebDeviceMotionData& motion) 66 { 67 m_lastDeviceMotionData = DeviceMotionData::create(motion); 68 notifyControllers(); 69 } 70 71 DeviceMotionData* DeviceMotionDispatcher::latestDeviceMotionData() 72 { 73 return m_lastDeviceMotionData.get(); 74 } 75 76 } // namespace blink 77