content/browser/device_sensors/data_fetcher_shared_memory.h

   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 #ifndef CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
   6 #define CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
   7
   8 #include "content/browser/device_sensors/data_fetcher_shared_memory_base.h"
   9
  10 #if !defined(OS_ANDROID)
  11 #include "content/common/device_sensors/device_light_hardware_buffer.h"
  12 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  13 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
  14 #endif
  15
  16 #if defined(OS_MACOSX)
  17 class SuddenMotionSensor;
  18 #elif defined(OS_WIN)
  19 #include <SensorsApi.h>
  20 #include "base/win/scoped_comptr.h"
  21 #endif
  22
  23 namespace content {
  24
  25 class CONTENT_EXPORT DataFetcherSharedMemory
  26     : public DataFetcherSharedMemoryBase {
  27
  28  public:
  29   DataFetcherSharedMemory();
  30   ~DataFetcherSharedMemory() override;
  31
  32  private:
  33   bool Start(ConsumerType consumer_type, void* buffer) override;
  34   bool Stop(ConsumerType consumer_type) override;
  35
  36 #if !defined(OS_ANDROID)
  37   DeviceMotionHardwareBuffer* motion_buffer_;
  38   DeviceOrientationHardwareBuffer* orientation_buffer_;
  39   DeviceLightHardwareBuffer* light_buffer_;
  40 #endif
  41 #if defined(OS_MACOSX)
  42   void Fetch(unsigned consumer_bitmask) override;
  43   FetcherType GetType() const override;
  44
  45   scoped_ptr<SuddenMotionSensor> sudden_motion_sensor_;
  46 #elif defined(OS_WIN)
  47   class SensorEventSink;
  48   class SensorEventSinkMotion;
  49   class SensorEventSinkOrientation;
  50
  51   virtual FetcherType GetType() const override;
  52
  53   bool RegisterForSensor(REFSENSOR_TYPE_ID sensor_type, ISensor** sensor,
  54       scoped_refptr<SensorEventSink> event_sink);
  55   void DisableSensors(ConsumerType consumer_type);
  56   void SetBufferAvailableState(ConsumerType consumer_type, bool enabled);
  57
  58   base::win::ScopedComPtr<ISensor> sensor_inclinometer_;
  59   base::win::ScopedComPtr<ISensor> sensor_accelerometer_;
  60   base::win::ScopedComPtr<ISensor> sensor_gyrometer_;
  61 #endif
  62
  63   DISALLOW_COPY_AND_ASSIGN(DataFetcherSharedMemory);
  64 };
  65
  66 }  // namespace content
  67
  68 #endif  // CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_