tizen_src/chromium_impl/content/browser/device_sensors/data_fetcher_impl_tizen.h

   1 // Copyright 2014 Samsung Electronics. 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 DATA_FETCHER_IMPL_TIZEN_H_
   6 #define DATA_FETCHER_IMPL_TIZEN_H_
   7
   8 #include <sensor/sensor.h>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/synchronization/lock.h"
  12 #include "content/browser/device_sensors/inertial_sensor_consts.h"
  13 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  14 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
  15
  16 namespace base {
  17 template<typename T> struct DefaultSingletonTraits;
  18 }
  19
  20 namespace content {
  21
  22 class DataFetcherImplTizen {
  23  public:
  24   static DataFetcherImplTizen* GetInstance();
  25
  26   // Shared memory related methods.
  27   bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer);
  28   void StopFetchingDeviceMotionData();
  29
  30   bool StartFetchingDeviceOrientationData(
  31       DeviceOrientationHardwareBuffer* buffer);
  32   void StopFetchingDeviceOrientationData();
  33
  34   virtual bool Start(ConsumerType);
  35   virtual void Stop(ConsumerType);
  36
  37  protected:
  38   DataFetcherImplTizen();
  39   virtual ~DataFetcherImplTizen();
  40   static void onOrientationChanged(sensor_h sensor, sensor_event_s *event, void* userData);
  41   static void onAccelerationChanged(sensor_h sensor, sensor_event_s *event, void* userData);
  42
  43  private:
  44   friend struct base::DefaultSingletonTraits<DataFetcherImplTizen>;
  45
  46   void SetOrientationBufferReadyStatus(bool ready);
  47
  48   DeviceMotionHardwareBuffer* device_motion_buffer_;
  49   DeviceOrientationHardwareBuffer* device_orientation_buffer_;
  50   blink::WebDeviceMotionData last_motion_data_;
  51   bool has_last_motion_data_;
  52   unsigned long long last_motion_timestamp_;
  53   bool is_orientation_buffer_ready_;
  54
  55   base::Lock motion_buffer_lock_;
  56   base::Lock orientation_buffer_lock_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(DataFetcherImplTizen);
  59 };
  60
  61 } // namespace content
  62
  63 #endif  // DATA_FETCHER_IMPL_TIZEN_H_