tizen_src/impl/browser/device_sensors/data_fetcher_impl_tizen.h

   1 /*
   2    Copyright (C) 2014 Samsung Electronics
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef DATA_FETCHER_IMPL_TIZEN_H_
  21 #define DATA_FETCHER_IMPL_TIZEN_H_
  22
  23 #include <sensor.h>
  24
  25 #include "base/memory/scoped_ptr.h"
  26 #include "base/synchronization/lock.h"
  27 #include "content/browser/device_sensors/inertial_sensor_consts.h"
  28 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  29 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
  30
  31 template<typename T> struct DefaultSingletonTraits;
  32
  33 namespace content {
  34
  35 class DataFetcherImplTizen {
  36  public:
  37   static DataFetcherImplTizen* GetInstance();
  38
  39   // Shared memory related methods.
  40   bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer);
  41   void StopFetchingDeviceMotionData();
  42
  43   bool StartFetchingDeviceOrientationData(
  44       DeviceOrientationHardwareBuffer* buffer);
  45   void StopFetchingDeviceOrientationData();
  46
  47   virtual bool Start(ConsumerType);
  48   virtual void Stop(ConsumerType);
  49
  50  protected:
  51   DataFetcherImplTizen();
  52   virtual ~DataFetcherImplTizen();
  53   static void onOrientationChanged(unsigned long long timestamp,
  54                                    sensor_data_accuracy_e, float azimuth,
  55                                    float pitch, float roll, void* userData);
  56   static void onAccelerationChanged(unsigned long long timestamp,
  57                                     sensor_data_accuracy_e, float x, float y,
  58                                     float z, void* userData);
  59
  60  private:
  61   friend struct DefaultSingletonTraits<DataFetcherImplTizen>;
  62
  63   void SetOrientationBufferReadyStatus(bool ready);
  64
  65   DeviceMotionHardwareBuffer* device_motion_buffer_;
  66   DeviceOrientationHardwareBuffer* device_orientation_buffer_;
  67   blink::WebDeviceMotionData last_motion_data_;
  68   bool has_last_motion_data_;
  69   unsigned long long last_motion_timestamp_;
  70   bool is_orientation_buffer_ready_;
  71
  72   base::Lock motion_buffer_lock_;
  73   base::Lock orientation_buffer_lock_;
  74
  75   sensor_h handle_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(DataFetcherImplTizen);
  78 };
  79
  80 } // namespace content
  81
  82 #endif  // DATA_FETCHER_IMPL_TIZEN_H_