Rename device_orientation to device_sensors

content/browser/device_orientation/device_inertial_sensor_service.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/browser/device_orientation/device_inertial_sensor_service.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/singleton.h"
-#include "content/browser/device_orientation/data_fetcher_shared_memory.h"
-#include "content/public/browser/render_process_host.h"
-
-namespace content {
-
-DeviceInertialSensorService::DeviceInertialSensorService()
-    : num_motion_readers_(0),
-      num_orientation_readers_(0),
-      is_shutdown_(false) {
-}
-
-DeviceInertialSensorService::~DeviceInertialSensorService() {
-}
-
-DeviceInertialSensorService* DeviceInertialSensorService::GetInstance() {
-  return Singleton<DeviceInertialSensorService,
-                   LeakySingletonTraits<DeviceInertialSensorService> >::get();
-}
-
-void DeviceInertialSensorService::AddConsumer(ConsumerType consumer_type) {
-  if (!ChangeNumberConsumers(consumer_type, 1))
-    return;
-
-  DCHECK(GetNumberConsumers(consumer_type));
-
-  if (!data_fetcher_)
-    data_fetcher_.reset(new DataFetcherSharedMemory);
-  data_fetcher_->StartFetchingDeviceData(consumer_type);
-}
-
-void DeviceInertialSensorService::RemoveConsumer(ConsumerType consumer_type) {
-  if (!ChangeNumberConsumers(consumer_type, -1))
-    return;
-
-  if (GetNumberConsumers(consumer_type) == 0)
-    data_fetcher_->StopFetchingDeviceData(consumer_type);
-}
-
-bool DeviceInertialSensorService::ChangeNumberConsumers(
-    ConsumerType consumer_type, int delta) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (is_shutdown_)
-    return false;
-
-  switch (consumer_type) {
-    case CONSUMER_TYPE_MOTION:
-      num_motion_readers_ += delta;
-      DCHECK(num_motion_readers_ >= 0);
-      return true;
-    case CONSUMER_TYPE_ORIENTATION:
-      num_orientation_readers_ += delta;
-      DCHECK(num_orientation_readers_ >= 0);
-      return true;
-    default:
-      NOTREACHED();
-  }
-  return false;
-}
-
-int DeviceInertialSensorService::GetNumberConsumers(
-    ConsumerType consumer_type) const {
-  switch (consumer_type) {
-    case CONSUMER_TYPE_MOTION:
-      return num_motion_readers_;
-    case CONSUMER_TYPE_ORIENTATION:
-      return num_orientation_readers_;
-    default:
-      NOTREACHED();
-  }
-  return 0;
-}
-
-base::SharedMemoryHandle
-DeviceInertialSensorService::GetSharedMemoryHandleForProcess(
-    ConsumerType consumer_type, base::ProcessHandle handle) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  return data_fetcher_->GetSharedMemoryHandleForProcess(consumer_type, handle);
-}
-
-void DeviceInertialSensorService::Shutdown() {
-  data_fetcher_.reset();
-  is_shutdown_ = true;
-}
-
-void DeviceInertialSensorService::SetDataFetcherForTests(
-    DataFetcherSharedMemory* test_data_fetcher) {
-  data_fetcher_.reset(test_data_fetcher);
-}
-
-}  // namespace content