Index: content/browser/sensors/sensors_provider_impl.h |
diff --git a/content/browser/sensors/sensors_provider_impl.h b/content/browser/sensors/sensors_provider_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a4a6b0424d5faf916eff46b9c3c90ee88de79bef |
--- /dev/null |
+++ b/content/browser/sensors/sensors_provider_impl.h |
@@ -0,0 +1,42 @@ |
+// Copyright (c) 2011 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_SENSORS_PROVIDER_IMPL_H_ |
+#define CONTENT_BROWSER_SENSORS_PROVIDER_IMPL_H_ |
+#pragma once |
+ |
+#include "base/compiler_specific.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/observer_list_threadsafe.h" |
+#include "content/browser/sensors/sensors_provider.h" |
+ |
+template <typename T> struct DefaultSingletonTraits; |
+ |
+namespace sensors { |
+ |
+class ProviderImpl : public Provider { |
+ public: |
+ static ProviderImpl* GetInstance(); |
+ |
+ // Provider implementation |
+ virtual void AddListener(Listener* listener) OVERRIDE; |
+ virtual void RemoveListener(Listener* listener) OVERRIDE; |
+ virtual void ScreenOrientationChanged( |
+ const ScreenOrientation& change) OVERRIDE; |
+ |
+ private: |
+ friend struct DefaultSingletonTraits<ProviderImpl>; |
+ |
+ ProviderImpl(); |
+ virtual ~ProviderImpl(); |
+ |
+ typedef ObserverListThreadSafe<Listener> ListenerList; |
+ scoped_refptr<ListenerList> listeners_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ProviderImpl); |
+}; |
+ |
+} // namespace sensors |
+ |
+#endif // CONTENT_BROWSER_SENSORS_PROVIDER_IMPL_H_ |