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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "modules/device_light/DeviceLightDispatcher.h"
#include "modules/device_light/DeviceLightController.h"
#include "public/platform/Platform.h"
namespace blink {
DeviceLightDispatcher& DeviceLightDispatcher::instance()
{
DEFINE_STATIC_LOCAL(Persistent<DeviceLightDispatcher>, deviceLightDispatcher, (new DeviceLightDispatcher()));
return *deviceLightDispatcher;
}
DeviceLightDispatcher::DeviceLightDispatcher()
: m_lastDeviceLightData(-1)
{
}
DeviceLightDispatcher::~DeviceLightDispatcher()
{
}
void DeviceLightDispatcher::trace(Visitor* visitor)
{
PlatformEventDispatcher::trace(visitor);
}
void DeviceLightDispatcher::startListening()
{
Platform::current()->startListening(WebPlatformEventDeviceLight, this);
}
void DeviceLightDispatcher::stopListening()
{
Platform::current()->stopListening(WebPlatformEventDeviceLight);
m_lastDeviceLightData = -1;
}
void DeviceLightDispatcher::didChangeDeviceLight(double value)
{
m_lastDeviceLightData = value;
notifyControllers();
}
double DeviceLightDispatcher::latestDeviceLightData() const
{
return m_lastDeviceLightData;
}
} // namespace blink
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