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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
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      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
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     10  *     * Redistributions in binary form must reproduce the above
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     16  * this software without specific prior written permission.
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     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "modules/device_orientation/DeviceOrientationDispatcher.h"
     33 
     34 #include "modules/device_orientation/DeviceOrientationController.h"
     35 #include "modules/device_orientation/DeviceOrientationData.h"
     36 #include "public/platform/Platform.h"
     37 
     38 namespace blink {
     39 
     40 DeviceOrientationDispatcher& DeviceOrientationDispatcher::instance()
     41 {
     42     DEFINE_STATIC_LOCAL(DeviceOrientationDispatcher, deviceOrientationDispatcher, ());
     43     return deviceOrientationDispatcher;
     44 }
     45 
     46 DeviceOrientationDispatcher::DeviceOrientationDispatcher()
     47 {
     48 }
     49 
     50 DeviceOrientationDispatcher::~DeviceOrientationDispatcher()
     51 {
     52 }
     53 
     54 void DeviceOrientationDispatcher::startListening()
     55 {
     56     Platform::current()->startListening(WebPlatformEventDeviceOrientation, this);
     57 }
     58 
     59 void DeviceOrientationDispatcher::stopListening()
     60 {
     61     Platform::current()->stopListening(WebPlatformEventDeviceOrientation);
     62     m_lastDeviceOrientationData.clear();
     63 }
     64 
     65 void DeviceOrientationDispatcher::didChangeDeviceOrientation(const WebDeviceOrientationData& motion)
     66 {
     67     m_lastDeviceOrientationData = DeviceOrientationData::create(motion);
     68     notifyControllers();
     69 }
     70 
     71 DeviceOrientationData* DeviceOrientationDispatcher::latestDeviceOrientationData()
     72 {
     73     return m_lastDeviceOrientationData.get();
     74 }
     75 
     76 } // namespace blink
     77