content/browser/device_sensors/data_fetcher_shared_memory_android.cc

   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 #include "content/browser/device_sensors/data_fetcher_shared_memory.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/device_sensors/sensor_manager_android.h"
   9 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  10 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
  11
  12 namespace content {
  13
  14 DataFetcherSharedMemory::DataFetcherSharedMemory() {
  15 }
  16
  17 DataFetcherSharedMemory::~DataFetcherSharedMemory() {
  18 }
  19
  20 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) {
  21   DCHECK(buffer);
  22
  23   switch (consumer_type) {
  24     case CONSUMER_TYPE_MOTION:
  25       return SensorManagerAndroid::GetInstance()->
  26           StartFetchingDeviceMotionData(
  27               static_cast<DeviceMotionHardwareBuffer*>(buffer));
  28     case CONSUMER_TYPE_ORIENTATION:
  29       return SensorManagerAndroid::GetInstance()->
  30           StartFetchingDeviceOrientationData(
  31               static_cast<DeviceOrientationHardwareBuffer*>(buffer));
  32     default:
  33       NOTREACHED();
  34   }
  35   return false;
  36 }
  37
  38 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) {
  39   switch (consumer_type) {
  40     case CONSUMER_TYPE_MOTION:
  41       SensorManagerAndroid::GetInstance()->StopFetchingDeviceMotionData();
  42       return true;
  43     case CONSUMER_TYPE_ORIENTATION:
  44       SensorManagerAndroid::GetInstance()->StopFetchingDeviceOrientationData();
  45       return true;
  46     default:
  47       NOTREACHED();
  48   }
  49   return false;
  50 }
  51
  52 }  // namespace content