Make VibrationMessageFilter available to other platforms.

content/browser/vibration/vibration_provider_android.cc

+// Copyright 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.
+
+#include "content/browser/vibration/vibration_provider_android.h"
+
+#include <algorithm>
+
+#include "base/safe_numerics.h"
+#include "content/browser/vibration/vibration_message_filter.h"
+#include "content/common/view_messages.h"
+#include "jni/VibrationProvider_jni.h"
+#include "third_party/WebKit/public/platform/WebVibration.h"
+
+using base::android::AttachCurrentThread;
+
+namespace content {
+
+VibrationProviderAndroid::VibrationProviderAndroid() {
+}
+
+VibrationProviderAndroid::~VibrationProviderAndroid() {
+}
+
+// static
+bool VibrationProviderAndroid::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+void VibrationProviderAndroid::Vibrate(int64 milliseconds) {
+  if (j_vibration_provider_.is_null()) {
+    j_vibration_provider_.Reset(
+        Java_VibrationProvider_create(
+            AttachCurrentThread(),
+            base::android::GetApplicationContext()));
+  }
+  Java_VibrationProvider_vibrate(AttachCurrentThread(),
+                                j_vibration_provider_.obj(),
+                                milliseconds);
+}
+
+void VibrationProviderAndroid::CancelVibration() {
+  // If somehow a cancel message is received before this object was
+  // instantiated, it means there is no current vibration anyway. Just return.
+  if (j_vibration_provider_.is_null())
+    return;
+
+  Java_VibrationProvider_cancelVibration(AttachCurrentThread(),
+                                        j_vibration_provider_.obj());
+}
+
+// static
+VibrationProvider* VibrationMessageFilter::CreateProvider() {
+  return new VibrationProviderAndroid();
+}
+
+}  // namespace content