summaryrefslogtreecommitdiffstats
path: root/chromium/content/browser/device_orientation/device_inertial_sensor_service.h
diff options
context:
space:
mode:
Diffstat (limited to 'chromium/content/browser/device_orientation/device_inertial_sensor_service.h')
-rw-r--r--chromium/content/browser/device_orientation/device_inertial_sensor_service.h72
1 files changed, 0 insertions, 72 deletions
diff --git a/chromium/content/browser/device_orientation/device_inertial_sensor_service.h b/chromium/content/browser/device_orientation/device_inertial_sensor_service.h
deleted file mode 100644
index 1c7c162f23f..00000000000
--- a/chromium/content/browser/device_orientation/device_inertial_sensor_service.h
+++ /dev/null
@@ -1,72 +0,0 @@
-// 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.
-
-#ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_INERTIAL_SENSOR_SERVICE_H_
-#define CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_INERTIAL_SENSOR_SERVICE_H_
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/shared_memory.h"
-#include "base/memory/singleton.h"
-#include "base/threading/thread_checker.h"
-#include "content/browser/device_orientation/inertial_sensor_consts.h"
-#include "content/common/content_export.h"
-
-namespace content {
-
-class DataFetcherSharedMemory;
-class RenderProcessHost;
-
-// Owns the DeviceMotionProvider (the background polling thread) and keeps
-// track of the number of consumers currently using the data (and pausing
-// the provider when not in use).
-class CONTENT_EXPORT DeviceInertialSensorService {
- public:
- // Returns the DeviceInertialSensorService singleton.
- static DeviceInertialSensorService* GetInstance();
-
- // Increments the number of users of the provider. The Provider is running
- // when there's > 0 users, and is paused when the count drops to 0.
- // Must be called on the I/O thread.
- void AddConsumer(ConsumerType consumer_type);
-
- // Removes a consumer. Should be matched with an AddConsumer call.
- // Must be called on the I/O thread.
- void RemoveConsumer(ConsumerType cosumer_type);
-
- // Returns the shared memory handle of the device motion data duplicated
- // into the given process.
- base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
- ConsumerType consumer_type, base::ProcessHandle handle);
-
- // Stop/join with the background polling thread in |provider_|.
- void Shutdown();
-
- // Injects a custom data fetcher for testing purposes. This class takes
- // ownership of the injected object.
- void SetDataFetcherForTests(DataFetcherSharedMemory* test_data_fetcher);
-
- private:
- friend struct DefaultSingletonTraits<DeviceInertialSensorService>;
-
- DeviceInertialSensorService();
- virtual ~DeviceInertialSensorService();
-
- bool ChangeNumberConsumers(ConsumerType consumer_type,
- int delta);
- int GetNumberConsumers(ConsumerType consumer_type) const;
-
- int num_motion_readers_;
- int num_orientation_readers_;
- bool is_shutdown_;
- scoped_ptr<DataFetcherSharedMemory> data_fetcher_;
- base::ThreadChecker thread_checker_;
-
- DISALLOW_COPY_AND_ASSIGN(DeviceInertialSensorService);
-};
-
-} // namespace content
-
-#endif // CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_INERTIAL_SENSOR_SERVICE_H_