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 #ifndef CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_
   6 #define CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_
   7
   8 #include "base/android/scoped_java_ref.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace content {
  12
  13 // Android implementation of Battery Status API.
  14 class CONTENT_EXPORT BatteryStatusManagerAndroid {
  15  public:
  16   // Must be called at startup.
  17   static bool Register(JNIEnv* env);
  18
  19   // Called from Java via JNI.
  20   void GotBatteryStatus(JNIEnv*, jobject, jboolean charging,
  21                         jdouble chargingTime, jdouble dischargingTime,
  22                         jdouble level);
  23
  24   bool StartListeningBatteryChange();
  25   void StopListeningBatteryChange();
  26
  27  protected:
  28   BatteryStatusManagerAndroid();
  29   virtual ~BatteryStatusManagerAndroid();
  30
  31  private:
  32   // Java provider of battery status info.
  33   base::android::ScopedJavaGlobalRef<jobject> j_manager_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(BatteryStatusManagerAndroid);
  36 };
  37
  38 }  // namespace content
  39
  40 #endif  // CHROME_BROWSER_BATTERY_STATUS_BATTERY_STATUS_MANAGER_ANDROID_H_