mirror of https://github.com/moparisthebest/k-9
188 lines
6.2 KiB
Java
188 lines
6.2 KiB
Java
package com.fsck.k9.service;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.RejectedExecutionException;
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import java.util.concurrent.atomic.AtomicInteger;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.os.IBinder;
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import android.os.PowerManager;
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import android.util.Log;
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import com.fsck.k9.K9;
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import com.fsck.k9.helper.power.TracingPowerManager;
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import com.fsck.k9.helper.power.TracingPowerManager.TracingWakeLock;
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public abstract class CoreService extends Service
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{
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public static String WAKE_LOCK_ID = "com.fsck.k9.service.CoreService.wakeLockId";
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private static ConcurrentHashMap<Integer, TracingWakeLock> wakeLocks = new ConcurrentHashMap<Integer, TracingWakeLock>();
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private static AtomicInteger wakeLockSeq = new AtomicInteger(0);
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private ExecutorService threadPool = null;
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private final String className = getClass().getName();
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private volatile boolean mShutdown = false;
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@Override
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public void onCreate()
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{
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if (K9.DEBUG)
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Log.i(K9.LOG_TAG, "CoreService: " + className + ".onCreate()");
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threadPool = Executors.newFixedThreadPool(1); // Must be single threaded
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super.onCreate();
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}
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protected static void addWakeLockId(Intent i, Integer wakeLockId)
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{
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if (wakeLockId != null)
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{
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i.putExtra(BootReceiver.WAKE_LOCK_ID, wakeLockId);
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}
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}
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protected static void addWakeLock(Context context, Intent i)
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{
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TracingPowerManager pm = TracingPowerManager.getPowerManager(context);
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TracingWakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "CoreService addWakeLock");
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wakeLock.setReferenceCounted(false);
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wakeLock.acquire(K9.MAIL_SERVICE_WAKE_LOCK_TIMEOUT);
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Integer tmpWakeLockId = wakeLockSeq.getAndIncrement();
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wakeLocks.put(tmpWakeLockId, wakeLock);
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i.putExtra(WAKE_LOCK_ID, tmpWakeLockId);
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}
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@Override
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public void onStart(Intent intent, int startId)
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{
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TracingPowerManager pm = TracingPowerManager.getPowerManager(this);
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TracingWakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "CoreService onStart");
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wakeLock.setReferenceCounted(false);
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wakeLock.acquire(K9.MAIL_SERVICE_WAKE_LOCK_TIMEOUT);
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if (K9.DEBUG)
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Log.i(K9.LOG_TAG, "CoreService: " + className + ".onStart(" + intent + ", " + startId);
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int wakeLockId = intent.getIntExtra(BootReceiver.WAKE_LOCK_ID, -1);
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if (wakeLockId != -1)
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{
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BootReceiver.releaseWakeLock(this, wakeLockId);
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}
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Integer coreWakeLockId = intent.getIntExtra(WAKE_LOCK_ID, -1);
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if (coreWakeLockId != null && coreWakeLockId != -1)
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{
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if (K9.DEBUG)
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Log.d(K9.LOG_TAG, "Got core wake lock id " + coreWakeLockId);
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TracingWakeLock coreWakeLock = wakeLocks.remove(coreWakeLockId);
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if (coreWakeLock != null)
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{
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if (K9.DEBUG)
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Log.d(K9.LOG_TAG, "Found core wake lock with id " + coreWakeLockId + ", releasing");
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coreWakeLock.release();
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}
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}
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try
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{
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super.onStart(intent, startId);
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startService(intent, startId);
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}
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finally
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{
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wakeLock.release();
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}
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}
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public void execute(Context context, final Runnable runner, int wakeLockTime, final Integer startId)
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{
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TracingPowerManager pm = TracingPowerManager.getPowerManager(context);
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final TracingWakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "CoreService execute");
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wakeLock.setReferenceCounted(false);
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wakeLock.acquire(wakeLockTime);
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Runnable myRunner = new Runnable()
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{
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public void run()
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{
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try
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{
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if (K9.DEBUG)
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Log.d(K9.LOG_TAG, "CoreService (" + className + ") running Runnable " + runner.hashCode() + " with startId " + startId);
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runner.run();
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}
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finally
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{
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if (K9.DEBUG)
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Log.d(K9.LOG_TAG, "CoreService (" + className + ") completed Runnable " + runner.hashCode() + " with startId " + startId);
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wakeLock.release();
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if (startId != null)
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{
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stopSelf(startId);
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}
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}
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}
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};
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if (threadPool == null)
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{
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Log.e(K9.LOG_TAG, "CoreService.execute (" + className + ") called with no threadPool available; running Runnable " + runner.hashCode() + " in calling thread", new Throwable());
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synchronized (this)
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{
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myRunner.run();
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}
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}
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else
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{
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if (K9.DEBUG)
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Log.d(K9.LOG_TAG, "CoreService (" + className + ") queueing Runnable " + runner.hashCode() + " with startId " + startId);
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try
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{
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threadPool.execute(myRunner);
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}
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catch (RejectedExecutionException e)
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{
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if (!mShutdown)
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{
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throw e;
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}
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Log.i(K9.LOG_TAG, "CoreService: " + className + " is shutting down, ignoring rejected execution exception: " + e.getMessage());
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}
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}
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}
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public abstract void startService(Intent intent, int startId);
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@Override
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public IBinder onBind(Intent arg0)
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{
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public void onLowMemory()
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{
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Log.w(K9.LOG_TAG, "CoreService: " + className + ".onLowMemory() - Running low on memory");
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}
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@Override
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public void onDestroy()
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{
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if (K9.DEBUG)
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Log.i(K9.LOG_TAG, "CoreService: " + className + ".onDestroy()");
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mShutdown = true;
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threadPool.shutdown();
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super.onDestroy();
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// MessagingController.getInstance(getApplication()).removeListener(mListener);
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}
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}
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