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