content/browser/battery_status/battery_status_manager_android.h

   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
  12 namespace content {
  13
  14 class 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_