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| 1 // Copyright 2016 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 #ifndef SensorReading_h | |
| 6 #define SensorReading_h | |
| 7 | |
| 8 #include "bindings/core/v8/ScriptWrappable.h" | |
| 9 #include "core/dom/DOMHighResTimeStamp.h" | |
| 10 #include "core/dom/DOMTimeStamp.h" | |
| 11 #include "modules/sensor/SensorProxy.h" | |
| 12 | |
| 13 namespace blink { | |
| 14 | |
| 15 class ScriptState; | |
| 16 | |
| 17 class SensorReading : public GarbageCollectedFinalized<SensorReading>, | |
| 18 public ScriptWrappable { | |
| 19 DEFINE_WRAPPERTYPEINFO(); | |
| 20 | |
| 21 public: | |
| 22 DEFINE_INLINE_VIRTUAL_TRACE() {} | |
| 23 | |
| 24 DOMHighResTimeStamp timeStamp(ScriptState*) const; | |
| 25 | |
| 26 // Returns 'true' if the current reading value is different than the given | |
| 27 // previous one; otherwise returns 'false'. | |
| 28 virtual bool isReadingUpdated( | |
| 29 const device::SensorReading& previous) const = 0; | |
| 30 | |
| 31 const device::SensorReading& data() const { return m_data; } | |
| 32 | |
| 33 virtual ~SensorReading(); | |
| 34 | |
| 35 protected: | |
| 36 explicit SensorReading(const device::SensorReading&); | |
| 37 | |
| 38 private: | |
| 39 device::SensorReading m_data; | |
| 40 }; | |
| 41 | |
| 42 class SensorReadingFactory { | |
| 43 public: | |
| 44 virtual SensorReading* createSensorReading(const device::SensorReading&) = 0; | |
| 45 | |
| 46 protected: | |
| 47 SensorReadingFactory() = default; | |
| 48 }; | |
| 49 | |
| 50 template <typename SensorReadingType> | |
| 51 class SensorReadingFactoryImpl : public SensorReadingFactory { | |
| 52 public: | |
| 53 SensorReading* createSensorReading( | |
| 54 const device::SensorReading& reading) override { | |
| 55 return SensorReadingType::create(reading); | |
| 56 } | |
| 57 }; | |
| 58 | |
| 59 } // namepsace blink | |
| 60 | |
| 61 #endif // SensorReading_h | |
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