Index: third_party/WebKit/Source/modules/sensor/AmbientLightSensor.cpp |
diff --git a/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.cpp b/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a333944048fb8e5b1b4200fe1f79c05384892f99 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.cpp |
@@ -0,0 +1,92 @@ |
+// Copyright 2016 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 "modules/sensor/AmbientLightSensor.h" |
+ |
+#include "bindings/core/v8/ScriptPromise.h" |
+#include "bindings/core/v8/ScriptPromiseResolver.h" |
+#include "core/dom/DOMException.h" |
+#include "core/dom/Document.h" |
+#include "core/events/Event.h" |
+ |
+#include "modules/sensor/AmbientLightSensorDispatcher.h" |
+#include "modules/sensor/AmbientLightSensorReading.h" |
+#include "modules/sensor/SensorReadingEvent.h" |
+ |
+namespace blink { |
+ |
+// static |
+AmbientLightSensor* AmbientLightSensor::create(ExecutionContext* context, SensorOptions sensorOptions, ExceptionState& exceptionState) |
+{ |
+ AmbientLightSensor* sensor = new AmbientLightSensor(context, sensorOptions); |
+ sensor->suspendIfNeeded(); |
+ return sensor; |
+} |
+ |
+// static |
+AmbientLightSensor* AmbientLightSensor::create(ExecutionContext* context, ExceptionState& exceptionState) |
+{ |
+ return create(context, SensorOptions(), exceptionState); |
+} |
+ |
+AmbientLightSensor::~AmbientLightSensor() |
+{ |
+ stopUpdating(); |
+} |
+ |
+AmbientLightSensor::AmbientLightSensor(ExecutionContext* executionContext, SensorOptions sensorOptions) |
+ : Sensor(executionContext, sensorOptions) |
+{ |
+} |
+ |
+AmbientLightSensorReading& AmbientLightSensor::reading() |
+{ |
+ return *m_lightReading.get(); |
+} |
+ |
+void AmbientLightSensor::didUpdateData() |
+{ |
+ if (!m_lightReading) |
+ m_lightReading = AmbientLightSensorReading::create(); |
+ |
+ AmbientLightSensorReadingProxy oldReading(m_lightReading.get()->timeStamp(), m_lightReading.get()->illuminance()); |
+ AmbientLightSensorReadingProxy currentReading = *AmbientLightSensorDispatcher::instance().latestData(); |
+ |
+ Document* document = toDocument(getExecutionContext()); |
+ DCHECK(document); |
+ |
+ if (document->activeDOMObjectsAreSuspended() || document->activeDOMObjectsAreStopped()) |
+ return; |
+ |
+ m_lightReading.get()->setTimeStamp(currentReading.timeStamp); |
+ m_lightReading.get()->setIlluminance(currentReading.illuminance); |
+ |
+ // TODO(riju) : Implement threshold when it is specs. |
+ if (currentReading.illuminance != oldReading.illuminance) |
+ dispatchEvent(SensorReadingEvent::create(EventTypeNames::change, *m_lightReading.get())); |
+} |
+ |
+void AmbientLightSensor::registerWithDispatcher() |
+{ |
+ AmbientLightSensorDispatcher::instance().addController(this); |
+} |
+ |
+void AmbientLightSensor::unregisterWithDispatcher() |
+{ |
+ AmbientLightSensorDispatcher::instance().removeController(this); |
+} |
+ |
+bool AmbientLightSensor::hasLastData() |
+{ |
+ return AmbientLightSensorDispatcher::instance().latestData(); |
+} |
+ |
+DEFINE_TRACE(AmbientLightSensor) |
+{ |
+ ActiveDOMObject::trace(visitor); |
+ Sensor::trace(visitor); |
+ visitor->trace(m_lightReading); |
+} |
+ |
+} // namespace blink |