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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/power_monitor/power_monitor_device_source.h"
#include "base/android/scoped_java_ref.h"
#include "base/power_monitor/energy_monitor_android.h"
#include "base/power_monitor/power_monitor.h"
#include "base/power_monitor/power_monitor_source.h"
#include "base/power_monitor/power_observer.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "base/base_jni/PowerMonitorReading_jni.h"
#include "base/base_jni/PowerMonitor_jni.h"
namespace base {
// A helper function which is a friend of PowerMonitorSource.
void ProcessPowerEventHelper(PowerMonitorSource::PowerEvent event) {
PowerMonitorSource::ProcessPowerEvent(event);
}
// A helper function which is a friend of PowerMonitorSource.
void ProcessThermalEventHelper(
PowerThermalObserver::DeviceThermalState new_thermal_state) {
PowerMonitorSource::ProcessThermalEvent(new_thermal_state);
}
namespace android {
namespace {
using DeviceThermalState = PowerThermalObserver::DeviceThermalState;
// See
// https://developer.android.com/reference/android/os/PowerManager#THERMAL_STATUS_CRITICAL
enum AndroidThermalStatus {
THERMAL_STATUS_NONE = 0,
THERMAL_STATUS_LIGHT = 1,
THERMAL_STATUS_MODERATE = 2,
THERMAL_STATUS_SEVERE = 3,
THERMAL_STATUS_CRITICAL = 4,
THERMAL_STATUS_EMERGENCY = 5,
THERMAL_STATUS_SHUTDOWN = 6,
};
PowerThermalObserver::DeviceThermalState MapToDeviceThermalState(
int android_thermal_status) {
switch (android_thermal_status) {
case THERMAL_STATUS_NONE:
return DeviceThermalState::kNominal;
case THERMAL_STATUS_LIGHT:
case THERMAL_STATUS_MODERATE:
return DeviceThermalState::kFair;
case THERMAL_STATUS_SEVERE:
return DeviceThermalState::kSerious;
case THERMAL_STATUS_CRITICAL:
case THERMAL_STATUS_EMERGENCY:
case THERMAL_STATUS_SHUTDOWN:
return DeviceThermalState::kCritical;
default:
return DeviceThermalState::kUnknown;
}
}
} // namespace
// Native implementation of PowerMonitor.java. Note: This will be invoked by
// PowerMonitor.java shortly after startup to set the correct initial value for
// "is on battery power."
void JNI_PowerMonitor_OnBatteryChargingChanged(JNIEnv* env) {
ProcessPowerEventHelper(PowerMonitorSource::POWER_STATE_EVENT);
}
void JNI_PowerMonitor_OnThermalStatusChanged(JNIEnv* env, int thermal_status) {
ProcessThermalEventHelper(MapToDeviceThermalState(thermal_status));
}
int GetRemainingBatteryCapacity() {
JNIEnv* env = jni_zero::AttachCurrentThread();
return base::android::Java_PowerMonitor_getRemainingBatteryCapacity(env);
}
std::vector<PowerMonitorReading> GetTotalEnergyConsumed() {
JNIEnv* env = jni_zero::AttachCurrentThread();
return base::android::Java_PowerMonitor_getTotalEnergyConsumed(env);
}
PowerMonitorReading FromJavaPowerMonitorReading(
JNIEnv* env,
const JavaRef<jobject>& jobject) {
return {Java_PowerMonitorReading_getConsumer(env, jobject),
Java_PowerMonitorReading_getTotalEnergy(env, jobject)};
}
// Note: Android does not have the concept of suspend / resume as it's known by
// other platforms. Thus we do not send Suspend/Resume notifications. See
// http://crbug.com/644515
} // namespace android
PowerStateObserver::BatteryPowerStatus
PowerMonitorDeviceSource::GetBatteryPowerStatus() const {
JNIEnv* env = jni_zero::AttachCurrentThread();
int battery_power =
base::android::Java_PowerMonitor_getBatteryPowerStatus(env);
return static_cast<PowerStateObserver::BatteryPowerStatus>(battery_power);
}
PowerThermalObserver::DeviceThermalState
PowerMonitorDeviceSource::GetCurrentThermalState() const {
JNIEnv* env = jni_zero::AttachCurrentThread();
return android::MapToDeviceThermalState(
android::Java_PowerMonitor_getCurrentThermalStatus(env));
}
} // namespace base
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