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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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