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1 // Copyright 2014 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 "device/vibration/vibration_manager_impl_android.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "device/vibration/vibration_manager_impl.h" | |
9 #include "jni/VibrationProvider_jni.h" | |
10 | |
11 using base::android::AttachCurrentThread; | |
12 | |
13 namespace device { | |
14 | |
15 namespace { | |
16 const int64 kMinimumVibrationDurationMs = 1; // 1 millisecond | |
17 const int64 kMaximumVibrationDurationMs = 10000; // 10 seconds | |
18 } | |
19 | |
20 // static | |
21 VibrationManagerImplAndroid* VibrationManagerImplAndroid::Create() { | |
22 return new VibrationManagerImplAndroid(); | |
23 } | |
24 | |
25 VibrationManagerImplAndroid::VibrationManagerImplAndroid() { | |
26 } | |
27 | |
28 VibrationManagerImplAndroid::~VibrationManagerImplAndroid() { | |
29 } | |
30 | |
31 // static | |
32 bool VibrationManagerImplAndroid::Register(JNIEnv* env) { | |
33 return RegisterNativesImpl(env); | |
34 } | |
35 | |
36 void VibrationManagerImplAndroid::Vibrate(int64 milliseconds) { | |
37 if (j_vibration_provider_.is_null()) { | |
38 j_vibration_provider_.Reset( | |
39 Java_VibrationProvider_create( | |
40 AttachCurrentThread(), | |
41 base::android::GetApplicationContext())); | |
42 } | |
43 | |
44 // Though the Blink implementation already sanitizes vibration times, don't | |
45 // trust any values passed from the client. | |
46 int64 sanitized_milliseconds = std::max(kMinimumVibrationDurationMs, | |
47 std::min(milliseconds, kMaximumVibrationDurationMs)); | |
48 | |
49 Java_VibrationProvider_vibrate(AttachCurrentThread(), | |
50 j_vibration_provider_.obj(), | |
51 sanitized_milliseconds); | |
52 } | |
53 | |
54 void VibrationManagerImplAndroid::Cancel() { | |
55 // If somehow a cancel message is received before this object was | |
56 // instantiated, it means there is no current vibration anyway. Just return. | |
57 if (j_vibration_provider_.is_null()) | |
58 return; | |
59 Java_VibrationProvider_cancelVibration(AttachCurrentThread(), | |
60 j_vibration_provider_.obj()); | |
61 } | |
62 | |
63 // static | |
64 void VibrationManagerImpl::Create( | |
65 mojo::InterfaceRequest<VibrationManager> request) { | |
66 BindToRequest(VibrationManagerImplAndroid::Create(), &request); | |
67 } | |
68 | |
69 } // namespace device | |
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