OLD | NEW |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ |
6 #define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ | 6 #define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ |
7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" |
8 #include "build/build_config.h" | 9 #include "build/build_config.h" |
9 | |
10 #if defined(OS_ANDROID) | |
11 #include "base/android/scoped_java_ref.h" | |
12 #endif | |
13 | |
14 #include "content/browser/battery_status/battery_status_service.h" | 10 #include "content/browser/battery_status/battery_status_service.h" |
15 | 11 |
16 namespace content { | 12 namespace content { |
17 | 13 |
18 // Platform specific manager class for fetching battery status data. | 14 // Platform specific manager class for fetching battery status data. |
19 class CONTENT_EXPORT BatteryStatusManager { | 15 class CONTENT_EXPORT BatteryStatusManager { |
20 public: | 16 public: |
21 explicit BatteryStatusManager( | 17 // Creates a BatteryStatusManager object. |callback| should be called when the |
| 18 // battery status changes. |
| 19 static scoped_ptr<BatteryStatusManager> Create( |
22 const BatteryStatusService::BatteryUpdateCallback& callback); | 20 const BatteryStatusService::BatteryUpdateCallback& callback); |
23 virtual ~BatteryStatusManager(); | 21 |
| 22 virtual ~BatteryStatusManager() {} |
24 | 23 |
25 // Start listening for battery status changes. New updates are signalled | 24 // Start listening for battery status changes. New updates are signalled |
26 // by invoking the callback provided at construction time. | 25 // by invoking the callback provided at construction time. |
27 virtual bool StartListeningBatteryChange(); | 26 // Note that this is called in the IO thread. |
| 27 virtual bool StartListeningBatteryChange() = 0; |
28 | 28 |
29 // Stop listening for battery status changes. | 29 // Stop listening for battery status changes. |
30 virtual void StopListeningBatteryChange(); | 30 // Note that this is called in the IO thread. |
31 | 31 virtual void StopListeningBatteryChange() = 0; |
32 #if defined(OS_ANDROID) | |
33 // Must be called at startup. | |
34 static bool Register(JNIEnv* env); | |
35 | |
36 // Called from Java via JNI. | |
37 void GotBatteryStatus(JNIEnv*, jobject, jboolean charging, | |
38 jdouble charging_time, jdouble discharging_time, | |
39 jdouble level); | |
40 #endif | |
41 | |
42 protected: | |
43 BatteryStatusManager(); | |
44 BatteryStatusService::BatteryUpdateCallback callback_; | |
45 | |
46 private: | |
47 #if defined(OS_ANDROID) | |
48 // Java provider of battery status info. | |
49 base::android::ScopedJavaGlobalRef<jobject> j_manager_; | |
50 #endif | |
51 | |
52 DISALLOW_COPY_AND_ASSIGN(BatteryStatusManager); | |
53 }; | 32 }; |
54 | 33 |
55 } // namespace content | 34 } // namespace content |
56 | 35 |
57 #endif // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ | 36 #endif // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_H_ |
OLD | NEW |