Merge "PowerUI: Update temperature warnings on thermal throttling events"

import android.os.BatteryManager;

import android.os.Handler;

import android.os.HardwarePropertiesManager;

import android.os.IBinder;

import android.os.IThermalEventListener;

import android.os.IThermalService;

import android.os.PowerManager;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.SystemClock;

import android.os.Temperature;

import android.os.UserHandle;

import android.provider.Settings;

import android.text.format.DateUtils;

    private float[] mRecentTemps = new float[MAX_RECENT_TEMPS];

    private int mNumTemps;

    private long mNextLogTime;

    private IThermalService mThermalService;

    // We create a method reference here so that we are guaranteed that we can remove a callback

    // by using the same instance (method references are not guaranteed to be the same object

                resources.getInteger(R.integer.config_warningTemperature));

        if (mThresholdTemp < 0f) {

            // Get the throttling temperature. No need to check if we're not throttling.

            // Get the shutdown temperature, adjust for warning tolerance.

            float[] throttlingTemps = mHardwarePropertiesManager.getDeviceTemperatures(

                    HardwarePropertiesManager.DEVICE_TEMPERATURE_SKIN,

                    HardwarePropertiesManager.TEMPERATURE_SHUTDOWN);

                    resources.getInteger(R.integer.config_warningTemperatureTolerance);

        }

        if (mThermalService == null) {

            // Enable push notifications of throttling from vendor thermal

            // management subsystem via thermalservice, in addition to our

            // usual polling, to react to temperature jumps more quickly.

            IBinder b = ServiceManager.getService("thermalservice");

            if (b != null) {

                mThermalService = IThermalService.Stub.asInterface(b);

                try {

                    mThermalService.registerThermalEventListener(

                        new ThermalEventListener());

                } catch (RemoteException e) {

                    // Should never happen.

                }

            } else {

                Slog.w(TAG, "cannot find thermalservice, no throttling push notifications");

            }

        }

        setNextLogTime();

        // This initialization method may be called on a configuration change. Only one set of

        void dump(PrintWriter pw);

        void userSwitched();

    }

}

    // Thermal event received from vendor thermal management subsystem

    private final class ThermalEventListener extends IThermalEventListener.Stub {

        @Override public void notifyThrottling(boolean isThrottling, Temperature temp) {

            // Trigger an update of the temperature warning.  Only one

            // callback can be enabled at a time, so remove any existing

            // callback; updateTemperatureWarning will schedule another one.

            mHandler.removeCallbacks(mUpdateTempCallback);

            updateTemperatureWarning();

        }

    }

}