1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/vibration/vibration_provider_android.h"
6
7#include <algorithm>
8
9#include "content/browser/vibration/vibration_message_filter.h"
10#include "content/common/view_messages.h"
11#include "jni/VibrationProvider_jni.h"
12#include "third_party/WebKit/public/platform/WebVibration.h"
13
14using base::android::AttachCurrentThread;
15
16namespace content {
17
18VibrationProviderAndroid::VibrationProviderAndroid() {
19}
20
21VibrationProviderAndroid::~VibrationProviderAndroid() {
22}
23
24// static
25bool VibrationProviderAndroid::Register(JNIEnv* env) {
26  return RegisterNativesImpl(env);
27}
28
29void VibrationProviderAndroid::Vibrate(int64 milliseconds) {
30  if (j_vibration_provider_.is_null()) {
31    j_vibration_provider_.Reset(
32        Java_VibrationProvider_create(
33            AttachCurrentThread(),
34            base::android::GetApplicationContext()));
35  }
36  Java_VibrationProvider_vibrate(AttachCurrentThread(),
37                                j_vibration_provider_.obj(),
38                                milliseconds);
39}
40
41void VibrationProviderAndroid::CancelVibration() {
42  // If somehow a cancel message is received before this object was
43  // instantiated, it means there is no current vibration anyway. Just return.
44  if (j_vibration_provider_.is_null())
45    return;
46
47  Java_VibrationProvider_cancelVibration(AttachCurrentThread(),
48                                        j_vibration_provider_.obj());
49}
50
51// static
52VibrationProvider* VibrationMessageFilter::CreateProvider() {
53  return new VibrationProviderAndroid();
54}
55
56}  // namespace content
57