Vibration API: plumbing from Blink to Java.

content/public/android/java/src/org/chromium/content/browser/VibrationMessageFilter.java

+// 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.
+
+package org.chromium.content.browser;
+
+import android.content.Context;
+import android.os.Vibrator;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+/**
+ * This is the implementation of the C++ counterpart VibrationMessageFilter.
+ */
+@JNINamespace("content")
+class VibrationMessageFilter {
+
+    private final Vibrator mVibrator;
+
+    @CalledByNative
+    private static VibrationMessageFilter create(Context context) {
+        return new VibrationMessageFilter(context);
+    }
+
+    @CalledByNative
+    private void vibrate(long milliseconds) {
+        mVibrator.vibrate(milliseconds);
+    }
+
+    @CalledByNative
+    private void cancelVibration() {
+        mVibrator.cancel();
+    }
+
+    private VibrationMessageFilter(Context context) {
+        mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
+    }
+}