src/third_party/WebKit/Source/modules/device_light/DeviceLightDispatcher.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "modules/device_light/DeviceLightDispatcher.h"
   7
   8 #include "modules/device_light/DeviceLightController.h"
   9 #include "public/platform/Platform.h"
  10
  11 namespace WebCore {
  12
  13 DeviceLightDispatcher& DeviceLightDispatcher::instance()
  14 {
  15     DEFINE_STATIC_LOCAL(DeviceLightDispatcher, deviceLightDispatcher, ());
  16     return deviceLightDispatcher;
  17 }
  18
  19 DeviceLightDispatcher::DeviceLightDispatcher()
  20     : m_lastDeviceLightData(-1)
  21 {
  22 }
  23
  24 DeviceLightDispatcher::~DeviceLightDispatcher()
  25 {
  26 }
  27
  28 void DeviceLightDispatcher::startListening()
  29 {
  30     blink::Platform::current()->setDeviceLightListener(this);
  31 }
  32
  33 void DeviceLightDispatcher::stopListening()
  34 {
  35     blink::Platform::current()->setDeviceLightListener(0);
  36     m_lastDeviceLightData = -1;
  37 }
  38
  39 void DeviceLightDispatcher::didChangeDeviceLight(double value)
  40 {
  41     m_lastDeviceLightData = value;
  42     notifyControllers();
  43 }
  44
  45 double DeviceLightDispatcher::latestDeviceLightData() const
  46 {
  47     return m_lastDeviceLightData;
  48 }
  49
  50 } // namespace WebCore