Vibration API: plumbing from Blink to Java.

content/browser/vibration/vibration_service.h

+// Copyright (c) 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_VIBRATION_VIBRATION_SERVICE_H_
+#define CONTENT_BROWSER_VIBRATION_VIBRATION_SERVICE_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace content {
+
+class VibrationService {
+ public:
+  VibrationService() {}
+  virtual ~VibrationService() {}
+
+  // Factory function for VibrationService. Returns an empty pointer if the
+  // service is not available.
+  static scoped_ptr<VibrationService> Create();
+
+  // Starts a vibration for the given duration. If there is currently an active
+  // vibration it will be cancelled before the new one is started.
+  virtual void Vibrate(int32 milliseconds) = 0;
+
+  // Cancels the current vibration, if there is one.
+  virtual void CancelVibration() = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VibrationService);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_VIBRATION_VIBRATION_SERVICE_H_