DeviceOrientation API on ChromeOS

content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc

+// Copyright 2014 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_sensors/data_fetcher_shared_memory.h"
+
+#include "content/common/device_sensors/device_orientation_messages.h"
+#include "content/public/browser/sensor_manager.h"
+
+namespace content {
+
+DataFetcherSharedMemory::DataFetcherSharedMemory() {
+}
+
+DataFetcherSharedMemory::~DataFetcherSharedMemory() {
+}
+
+bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) {
+  DCHECK(buffer);
+  switch (consumer_type) {
+    case CONSUMER_TYPE_MOTION:
+      return false;
+    case CONSUMER_TYPE_ORIENTATION:
+      SensorManager::GetInstance()->StartFetchingDeviceOrientationData(
+          static_cast<DeviceOrientationHardwareBuffer*>(buffer));
+      return true;
+    case CONSUMER_TYPE_LIGHT:
+      return false;
+    default:
+      NOTREACHED();
+  }
+  return false;
+}
+
+bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) {
+  switch (consumer_type) {
+    case CONSUMER_TYPE_MOTION:
+      return false;
+    case CONSUMER_TYPE_ORIENTATION:
+      SensorManager::GetInstance()->StopFetchingDeviceOrientationData();
+      return true;
+    case CONSUMER_TYPE_LIGHT:
+      return false;
+    default:
+      NOTREACHED();
+  }
+  return false;
+}
+
+}  // namespace content