Index: chrome/browser/device_orientation/provider_impl.h |
=================================================================== |
--- chrome/browser/device_orientation/provider_impl.h (revision 75978) |
+++ chrome/browser/device_orientation/provider_impl.h (working copy) |
@@ -1,85 +0,0 @@ |
-// Copyright (c) 2010 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 CHROME_BROWSER_DEVICE_ORIENTATION_PROVIDER_IMPL_H_ |
-#define CHROME_BROWSER_DEVICE_ORIENTATION_PROVIDER_IMPL_H_ |
- |
-#include <set> |
-#include <vector> |
- |
-#include "base/scoped_ptr.h" |
-#include "base/task.h" |
-#include "chrome/browser/device_orientation/data_fetcher.h" |
-#include "chrome/browser/device_orientation/orientation.h" |
-#include "chrome/browser/device_orientation/provider.h" |
- |
-class MessageLoop; |
- |
-namespace base { |
-class Thread; |
-} |
- |
-namespace device_orientation { |
- |
-class ProviderImpl : public Provider { |
- public: |
- typedef DataFetcher* (*DataFetcherFactory)(); |
- |
- // Create a ProviderImpl that uses the NULL-terminated factories array to find |
- // a DataFetcher that can provide orientation data. |
- ProviderImpl(const DataFetcherFactory factories[]); |
- |
- // From Provider. |
- virtual void AddObserver(Observer* observer); |
- virtual void RemoveObserver(Observer* observer); |
- |
- private: |
- virtual ~ProviderImpl(); |
- |
- // Starts or Stops the provider. Called from creator_loop_. |
- void Start(); |
- void Stop(); |
- |
- // Method for finding a suitable DataFetcher and starting the polling. |
- // Runs on the polling_thread_. |
- void DoInitializePollingThread(std::vector<DataFetcherFactory> factories); |
- void ScheduleInitializePollingThread(); |
- |
- // Method for polling a DataFetcher. Runs on the polling_thread_. |
- void DoPoll(); |
- void ScheduleDoPoll(); |
- |
- // Method for notifying observers of an orientation update. |
- // Runs on the creator_thread_. |
- void DoNotify(const Orientation& orientation); |
- void ScheduleDoNotify(const Orientation& orientation); |
- |
- static bool SignificantlyDifferent(const Orientation& orientation1, |
- const Orientation& orientation2); |
- |
- enum { kDesiredSamplingIntervalMs = 100 }; |
- int SamplingIntervalMs() const; |
- |
- // The Message Loop on which this object was created. |
- // Typically the I/O loop, but may be something else during testing. |
- MessageLoop* creator_loop_; |
- |
- // Members below are only to be used from the creator_loop_. |
- std::vector<DataFetcherFactory> factories_; |
- std::set<Observer*> observers_; |
- Orientation last_notification_; |
- |
- // When polling_thread_ is running, members below are only to be used |
- // from that thread. |
- scoped_ptr<DataFetcher> data_fetcher_; |
- Orientation last_orientation_; |
- ScopedRunnableMethodFactory<ProviderImpl> do_poll_method_factory_; |
- |
- // Polling is done on this background thread. |
- scoped_ptr<base::Thread> polling_thread_; |
-}; |
- |
-} // namespace device_orientation |
- |
-#endif // CHROME_BROWSER_DEVICE_ORIENTATION_PROVIDER_IMPL_H_ |