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 "base/android/scoped_java_ref.h"
6#include "base/macros.h"
7#include "content/browser/battery_status/battery_status_manager.h"
8
9#ifndef CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_
10#define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_
11
12namespace content {
13
14class BatteryStatusManagerAndroid : public BatteryStatusManager {
15 public:
16  explicit BatteryStatusManagerAndroid(
17      const BatteryStatusService::BatteryUpdateCallback& callback);
18  virtual ~BatteryStatusManagerAndroid();
19
20  // Must be called at startup.
21  static bool Register(JNIEnv* env);
22
23  // Called from Java via JNI.
24  void GotBatteryStatus(JNIEnv*,
25                        jobject,
26                        jboolean charging,
27                        jdouble charging_time,
28                        jdouble discharging_time,
29                        jdouble level);
30
31 private:
32  // BatteryStatusManager:
33  virtual bool StartListeningBatteryChange() OVERRIDE;
34  virtual void StopListeningBatteryChange() OVERRIDE;
35
36  BatteryStatusService::BatteryUpdateCallback callback_;
37  // Java provider of battery status info.
38  base::android::ScopedJavaGlobalRef<jobject> j_manager_;
39
40  DISALLOW_COPY_AND_ASSIGN(BatteryStatusManagerAndroid);
41};
42
43}  // namespace content
44
45#endif  // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_
46