base/power_monitor/power_monitor_device_source_android.cc

   1 // Copyright 2013 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/power_monitor/power_monitor_device_source_android.h"
   6
   7 #include "base/power_monitor/power_monitor.h"
   8 #include "base/power_monitor/power_monitor_device_source.h"
   9 #include "base/power_monitor/power_monitor_source.h"
  10 #include "jni/PowerMonitor_jni.h"
  11
  12 namespace base {
  13
  14 // A helper function which is a friend of PowerMonitorSource.
  15 void ProcessPowerEventHelper(PowerMonitorSource::PowerEvent event) {
  16   PowerMonitorSource::ProcessPowerEvent(event);
  17 }
  18
  19 namespace android {
  20
  21 // Native implementation of PowerMonitor.java.
  22 void OnBatteryChargingChanged(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
  23   ProcessPowerEventHelper(PowerMonitorSource::POWER_STATE_EVENT);
  24 }
  25
  26 void OnMainActivityResumed(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
  27   ProcessPowerEventHelper(PowerMonitorSource::RESUME_EVENT);
  28 }
  29
  30 void OnMainActivitySuspended(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
  31   ProcessPowerEventHelper(PowerMonitorSource::SUSPEND_EVENT);
  32 }
  33
  34 }  // namespace android
  35
  36 bool PowerMonitorDeviceSource::IsOnBatteryPowerImpl() {
  37   JNIEnv* env = base::android::AttachCurrentThread();
  38   return base::android::Java_PowerMonitor_isBatteryPower(env);
  39 }
  40
  41 bool RegisterPowerMonitor(JNIEnv* env) {
  42   return base::android::RegisterNativesImpl(env);
  43 }
  44
  45 }  // namespace base