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Unified Diff: content/browser/sensors/sensors_provider_impl.h

Issue 7366011: Initial sensor event provider for testing views screen rotation (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: Restore more specific version of another missing header. Created 9 years, 5 months ago
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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_
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