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 #ifndef TIZEN_LEGACY_V_2_2_1
  24 #include <sensor/sensor.h>
  25 #else
  26 #include <sensors.h>
  27 #endif
  28
  29 #include "base/memory/scoped_ptr.h"
  30 #include "base/synchronization/lock.h"
  31 #include "content/browser/device_sensors/inertial_sensor_consts.h"
  32 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  33 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
  34
  35 template<typename T> struct DefaultSingletonTraits;
  36
  37 namespace content {
  38
  39 class DataFetcherImplTizen {
  40  public:
  41   static DataFetcherImplTizen* GetInstance();
  42
  43   // Shared memory related methods.
  44   bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer);
  45   void StopFetchingDeviceMotionData();
  46
  47   bool StartFetchingDeviceOrientationData(
  48       DeviceOrientationHardwareBuffer* buffer);
  49   void StopFetchingDeviceOrientationData();
  50
  51   virtual bool Start(ConsumerType);
  52   virtual void Stop(ConsumerType);
  53
  54  protected:
  55   DataFetcherImplTizen();
  56   virtual ~DataFetcherImplTizen();
  57   static void onOrientationChanged(unsigned long long timestamp,
  58                                    sensor_data_accuracy_e, float azimuth,
  59                                    float pitch, float roll, void* userData);
  60   static void onAccelerationChanged(unsigned long long timestamp,
  61                                     sensor_data_accuracy_e, float x, float y,
  62                                     float z, void* userData);
  63
  64  private:
  65   friend struct DefaultSingletonTraits<DataFetcherImplTizen>;
  66
  67   void SetOrientationBufferReadyStatus(bool ready);
  68
  69   DeviceMotionHardwareBuffer* device_motion_buffer_;
  70   DeviceOrientationHardwareBuffer* device_orientation_buffer_;
  71   blink::WebDeviceMotionData last_motion_data_;
  72   bool has_last_motion_data_;
  73   unsigned long long last_motion_timestamp_;
  74   bool is_orientation_buffer_ready_;
  75
  76   base::Lock motion_buffer_lock_;
  77   base::Lock orientation_buffer_lock_;
  78
  79   sensor_h handle_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(DataFetcherImplTizen);
  82 };
  83
  84 } // namespace content
  85
  86 #endif  // DATA_FETCHER_IMPL_TIZEN_H_