diff options
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.h | 72 |
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_ |