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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 "content/browser/battery_status/battery_status_manager_android.h" |
| 6 |
| 7 #include "base/android/jni_android.h" |
| 8 #include "base/android/scoped_java_ref.h" |
| 9 #include "base/metrics/histogram.h" |
| 10 #include "jni/BatteryStatusManager_jni.h" |
| 11 |
| 12 using base::android::AttachCurrentThread; |
| 13 |
| 14 namespace content { |
| 15 |
| 16 BatteryStatusManagerAndroid::BatteryStatusManagerAndroid( |
| 17 const BatteryStatusService::BatteryUpdateCallback& callback) |
| 18 : callback_(callback) { |
| 19 j_manager_.Reset( |
| 20 Java_BatteryStatusManager_getInstance( |
| 21 AttachCurrentThread(), base::android::GetApplicationContext())); |
| 22 } |
| 23 |
| 24 BatteryStatusManagerAndroid::~BatteryStatusManagerAndroid() { |
| 25 } |
| 26 |
| 27 // static |
| 28 bool BatteryStatusManagerAndroid::Register(JNIEnv* env) { |
| 29 return RegisterNativesImpl(env); |
| 30 } |
| 31 |
| 32 void BatteryStatusManagerAndroid::GotBatteryStatus(JNIEnv*, |
| 33 jobject, |
| 34 jboolean charging, |
| 35 jdouble charging_time, |
| 36 jdouble discharging_time, |
| 37 jdouble level) { |
| 38 blink::WebBatteryStatus status; |
| 39 status.charging = charging; |
| 40 status.chargingTime = charging_time; |
| 41 status.dischargingTime = discharging_time; |
| 42 status.level = level; |
| 43 callback_.Run(status); |
| 44 } |
| 45 |
| 46 bool BatteryStatusManagerAndroid::StartListeningBatteryChange() { |
| 47 bool result = Java_BatteryStatusManager_start(AttachCurrentThread(), |
| 48 j_manager_.obj(), reinterpret_cast<intptr_t>(this)); |
| 49 UMA_HISTOGRAM_BOOLEAN("BatteryStatus.StartAndroid", result); |
| 50 return result; |
| 51 } |
| 52 |
| 53 void BatteryStatusManagerAndroid::StopListeningBatteryChange() { |
| 54 Java_BatteryStatusManager_stop( |
| 55 AttachCurrentThread(), j_manager_.obj()); |
| 56 } |
| 57 |
| 58 // static |
| 59 scoped_ptr<BatteryStatusManager> BatteryStatusManager::Create( |
| 60 const BatteryStatusService::BatteryUpdateCallback& callback) { |
| 61 return scoped_ptr<BatteryStatusManager>( |
| 62 new BatteryStatusManagerAndroid(callback)); |
| 63 } |
| 64 |
| 65 } // namespace content |
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