Move ThermalObserver to frameworks/opt/wear

/*

 * Copyright (C) 2015 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License

 */

package com.android.server;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.os.Binder;

import android.os.Handler;

import android.os.Message;

import android.os.PowerManager;

import android.os.UEventObserver;

import android.os.UserHandle;

import java.io.FileDescriptor;

import java.io.PrintWriter;

/**

 * ThermalObserver for monitoring temperature changes.

 */

public class ThermalObserver extends SystemService {

    private static final String TAG = "ThermalObserver";

    private static final String CALLSTATE_UEVENT_MATCH =

            "DEVPATH=/devices/virtual/switch/thermalstate";

    private static final int MSG_THERMAL_STATE_CHANGED = 0;

    private static final int SWITCH_STATE_NORMAL = 0;

    private static final int SWITCH_STATE_WARNING = 1;

    private static final int SWITCH_STATE_EXCEEDED = 2;

    private final PowerManager mPowerManager;

    private final PowerManager.WakeLock mWakeLock;

    private final Object mLock = new Object();

    private Integer mLastState;

    private final UEventObserver mThermalWarningObserver = new UEventObserver() {

        @Override

        public void onUEvent(UEventObserver.UEvent event) {

            updateLocked(Integer.parseInt(event.get("SWITCH_STATE")));

        }

    };

    private final Handler mHandler = new Handler(true /*async*/) {

        @Override

        public void handleMessage(Message msg) {

            switch (msg.what) {

                case MSG_THERMAL_STATE_CHANGED:

                    handleThermalStateChange(msg.arg1);

                    mWakeLock.release();

                    break;

            }

        }

    };

    public ThermalObserver(Context context) {

        super(context);

        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);

        mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);

        mThermalWarningObserver.startObserving(CALLSTATE_UEVENT_MATCH);

    }

    private void updateLocked(int state) {

        Message message = new Message();

        message.what = MSG_THERMAL_STATE_CHANGED;

        message.arg1 = state;

        mWakeLock.acquire();

        mHandler.sendMessage(message);

    }

    private void handleThermalStateChange(int state) {

        synchronized (mLock) {

            mLastState = state;

            Intent intent = new Intent(Intent.ACTION_THERMAL_EVENT);

            intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);

            final int thermalState;

            switch (state) {

                case SWITCH_STATE_WARNING:

                    thermalState = Intent.EXTRA_THERMAL_STATE_WARNING;

                    break;

                case SWITCH_STATE_EXCEEDED:

                    thermalState = Intent.EXTRA_THERMAL_STATE_EXCEEDED;

                    break;

                case SWITCH_STATE_NORMAL:

                default:

                    thermalState = Intent.EXTRA_THERMAL_STATE_NORMAL;

                    break;

            }

            intent.putExtra(Intent.EXTRA_THERMAL_STATE, thermalState);

            getContext().sendBroadcastAsUser(intent, UserHandle.ALL);

        }

    }

    @Override

    public void onStart() {

        publishBinderService(TAG, new BinderService());

    }

    private final class BinderService extends Binder {

        @Override

        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {

            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)

                    != PackageManager.PERMISSION_GRANTED) {

                pw.println("Permission Denial: can't dump thermal observer service from from pid="

                        + Binder.getCallingPid()

                        + ", uid=" + Binder.getCallingUid());

                return;

            }

            final long ident = Binder.clearCallingIdentity();

            try {

                synchronized (mLock) {

                    if (args == null || args.length == 0 || "-a".equals(args[0])) {

                        pw.println("Current Thermal Observer Service state:");

                        pw.println("  last state change: "

                                + (mLastState != null ? mLastState : "none"));

                    }

                }

            } finally {

                Binder.restoreCallingIdentity(ident);

            }

        }

    }

}

            "com.android.server.MountService$Lifecycle";

    private static final String SEARCH_MANAGER_SERVICE_CLASS =

            "com.android.server.search.SearchManagerService$Lifecycle";

    private static final String THERMAL_OBSERVER_CLASS =

            "com.google.android.clockwork.ThermalObserver";

    private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";

                if (context.getPackageManager().hasSystemFeature

                        (PackageManager.FEATURE_WATCH)) {

                    mSystemServiceManager.startService(ThermalObserver.class);

                    mSystemServiceManager.startService(THERMAL_OBSERVER_CLASS);

                }

            }