k-9/src/com/android/email/service/MailService.java

454 lines
18 KiB
Java

package com.android.email.service;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.State;
import android.os.IBinder;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.util.Config;
import android.util.Log;
import com.android.email.Account;
import com.android.email.Email;
import com.android.email.MessagingController;
import com.android.email.MessagingListener;
import com.android.email.Preferences;
import com.android.email.R;
import com.android.email.mail.MessagingException;
import com.android.email.mail.Pusher;
/**
*/
public class MailService extends CoreService {
private static final String ACTION_CHECK_MAIL = "com.android.email.intent.action.MAIL_SERVICE_WAKEUP";
private static final String ACTION_RESCHEDULE = "com.android.email.intent.action.MAIL_SERVICE_RESCHEDULE";
private static final String ACTION_RESCHEDULE_CHECK = "com.android.email.intent.action.MAIL_SERVICE_RESCHEDULE_CHECK";
private static final String ACTION_CANCEL = "com.android.email.intent.action.MAIL_SERVICE_CANCEL";
private static final String ACTION_REFRESH_PUSHERS = "com.android.email.intent.action.MAIL_SERVICE_REFRESH_PUSHERS";
private static final String CONNECTIVITY_CHANGE = "com.android.email.intent.action.MAIL_SERVICE_CONNECTIVITY_CHANGE";
private static final String BACKGROUND_DATA_CHANGED = "com.android.email.intent.action.MAIL_SERVICE_BACKGROUND_DATA_CHANGED";
private static final String CANCEL_CONNECTIVITY_NOTICE = "com.android.email.intent.action.MAIL_SERVICE_CANCEL_CONNECTIVITY_NOTICE";
private static final String HAS_CONNECTIVITY = "com.android.email.intent.action.MAIL_SERVICE_HAS_CONNECTIVITY";
private final ExecutorService threadPool = Executors.newFixedThreadPool(1); // Must be single threaded
public static void actionReschedule(Context context, Integer wakeLockId) {
Intent i = new Intent();
i.setClass(context, MailService.class);
i.setAction(MailService.ACTION_RESCHEDULE);
addWakeLockId(i, wakeLockId);
context.startService(i);
}
public static void rescheduleCheck(Context context, Integer wakeLockId) {
Intent i = new Intent();
i.setClass(context, MailService.class);
i.setAction(MailService.ACTION_RESCHEDULE_CHECK);
addWakeLockId(i, wakeLockId);
context.startService(i);
}
public static void actionCancel(Context context, Integer wakeLockId) {
Intent i = new Intent();
i.setClass(context, MailService.class);
i.setAction(MailService.ACTION_CANCEL);
addWakeLockId(i, wakeLockId);
context.startService(i);
}
public static void connectivityChange(Context context, boolean hasConnectivity, Integer wakeLockId) {
Intent i = new Intent();
i.setClass(context, MailService.class);
i.setAction(MailService.CONNECTIVITY_CHANGE);
i.putExtra(HAS_CONNECTIVITY, hasConnectivity);
addWakeLockId(i, wakeLockId);
context.startService(i);
}
public static void backgroundDataChanged(Context context, Integer wakeLockId) {
Intent i = new Intent();
i.setClass(context, MailService.class);
i.setAction(MailService.BACKGROUND_DATA_CHANGED);
addWakeLockId(i, wakeLockId);
context.startService(i);
}
@Override
public void onCreate() {
super.onCreate();
Log.v(Email.LOG_TAG, "***** MailService *****: onCreate");
}
@Override
public void startService(Intent intent, int startId) {
Integer startIdObj = startId;
long startTime = System.currentTimeMillis();
try
{
ConnectivityManager connectivityManager = (ConnectivityManager)getApplication().getSystemService(Context.CONNECTIVITY_SERVICE);
boolean doBackground = true;
boolean hasConnectivity = false;
if (connectivityManager != null)
{
NetworkInfo netInfo = connectivityManager.getActiveNetworkInfo();
if (netInfo != null)
{
State state = netInfo.getState();
hasConnectivity = state == State.CONNECTED;
}
boolean backgroundData = connectivityManager.getBackgroundDataSetting();
Email.BACKGROUND_OPS bOps = Email.getBackgroundOps();
doBackground = (backgroundData == true && bOps != Email.BACKGROUND_OPS.NEVER)
| (backgroundData == false && bOps == Email.BACKGROUND_OPS.ALWAYS);
}
setForeground(true); // if it gets killed once, it'll never restart
Log.i(Email.LOG_TAG, "MailService.onStart(" + intent + ", " + startId
+ "), hasConnectivity = " + hasConnectivity + ", doBackground = " + doBackground);
// MessagingController.getInstance(getApplication()).addListener(mListener);
if (ACTION_CHECK_MAIL.equals(intent.getAction())) {
Log.i(Email.LOG_TAG, "***** MailService *****: checking mail");
if (hasConnectivity && doBackground)
{
PollService.startService(this);
}
reschedule(startIdObj);
startIdObj = null;
}
else if (ACTION_CANCEL.equals(intent.getAction())) {
if (Config.LOGV) {
Log.v(Email.LOG_TAG, "***** MailService *****: cancel");
}
MessagingController.getInstance(getApplication()).log("***** MailService *****: cancel");
cancel();
}
else if (ACTION_RESCHEDULE.equals(intent.getAction())) {
if (Config.LOGV) {
Log.v(Email.LOG_TAG, "***** MailService *****: reschedule");
}
rescheduleAll(hasConnectivity, doBackground, startIdObj);
startIdObj = null;
MessagingController.getInstance(getApplication()).log("***** MailService *****: reschedule");
}
else if (ACTION_RESCHEDULE_CHECK.equals(intent.getAction())) {
if (Config.LOGV) {
Log.v(Email.LOG_TAG, "***** MailService *****: reschedule check");
}
reschedule(startIdObj);
startIdObj = null;
MessagingController.getInstance(getApplication()).log("***** MailService *****: reschedule");
}
else if (ACTION_REFRESH_PUSHERS.equals(intent.getAction()))
{
if (hasConnectivity && doBackground)
{
schedulePushers(null);
refreshPushers(startIdObj);
startIdObj = null;
}
}
else if (CONNECTIVITY_CHANGE.equals(intent.getAction()) ||
BACKGROUND_DATA_CHANGED.equals(intent.getAction()))
{
rescheduleAll(hasConnectivity, doBackground, startIdObj);
startIdObj = null;
Log.i(Email.LOG_TAG, "Got connectivity action with hasConnectivity = " + hasConnectivity + ", doBackground = " + doBackground);
notifyConnectionStatus(hasConnectivity);
}
else if (CANCEL_CONNECTIVITY_NOTICE.equals(intent.getAction()))
{
notifyConnectionStatus(true);
}
}
finally
{
if (startIdObj != null)
{
stopSelf(startId);
}
}
long endTime = System.currentTimeMillis();
Log.i(Email.LOG_TAG, "MailService.onStart took " + (endTime - startTime) + "ms");
}
private void rescheduleAll(final boolean hasConnectivity, final boolean doBackground, final Integer startId)
{
if (hasConnectivity && doBackground)
{
reschedule(null);
reschedulePushers(startId);
}
else
{
stopPushers(startId);
}
}
private void notifyConnectionStatus(boolean hasConnectivity)
{
NotificationManager notifMgr =
(NotificationManager)getApplication().getSystemService(Context.NOTIFICATION_SERVICE);
if (hasConnectivity == false)
{
String notice = getApplication().getString(R.string.no_connection_alert);
String header = getApplication().getString(R.string.alert_header);
Notification notif = new Notification(R.drawable.stat_notify_email_generic,
header, System.currentTimeMillis());
Intent i = new Intent();
i.setClassName(getApplication().getPackageName(), "com.android.email.service.MailService");
i.setAction(MailService.CANCEL_CONNECTIVITY_NOTICE);
PendingIntent pi = PendingIntent.getService(this, 0, i, 0);
notif.setLatestEventInfo(getApplication(), header, notice, pi);
notif.flags = Notification.FLAG_ONGOING_EVENT;
notifMgr.notify(Email.CONNECTIVITY_ID, notif);
}
else
{
notifMgr.cancel(Email.CONNECTIVITY_ID);
}
}
@Override
public void onDestroy() {
Log.v(Email.LOG_TAG, "***** MailService *****: onDestroy()");
super.onDestroy();
// MessagingController.getInstance(getApplication()).removeListener(mListener);
}
private void cancel() {
Intent i = new Intent();
i.setClassName(getApplication().getPackageName(), "com.android.email.service.MailService");
i.setAction(ACTION_CHECK_MAIL);
BootReceiver.cancelIntent(this, i);
}
private void reschedule(Integer startId) {
execute(getApplication(), new Runnable()
{
public void run()
{
int shortestInterval = -1;
for (Account account : Preferences.getPreferences(MailService.this).getAccounts()) {
if (account.getAutomaticCheckIntervalMinutes() != -1
&& (account.getAutomaticCheckIntervalMinutes() < shortestInterval || shortestInterval == -1)) {
shortestInterval = account.getAutomaticCheckIntervalMinutes();
}
}
if (shortestInterval == -1) {
Log.v(Email.LOG_TAG, "No next check scheduled for package " + getApplication().getPackageName());
cancel();
}
else
{
long delay = (shortestInterval * (60 * 1000));
long nextTime = System.currentTimeMillis() + delay;
try
{
String checkString = "Next check for package " + getApplication().getPackageName() + " scheduled for " + new Date(nextTime);
Log.i(Email.LOG_TAG, checkString);
MessagingController.getInstance(getApplication()).log(checkString);
}
catch (Exception e)
{
// I once got a NullPointerException deep in new Date();
Log.e(Email.LOG_TAG, "Exception while logging", e);
}
Intent i = new Intent();
i.setClassName(getApplication().getPackageName(), "com.android.email.service.MailService");
i.setAction(ACTION_CHECK_MAIL);
BootReceiver.scheduleIntent(MailService.this, nextTime, i);
}
}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, startId);
}
private void stopPushers(final Integer startId)
{
execute(getApplication(), new Runnable()
{
public void run()
{
MessagingController.getInstance(getApplication()).stopAllPushing();
PushService.stopService(MailService.this);
}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, startId );
}
private void reschedulePushers(final Integer startId)
{
execute(getApplication(), new Runnable()
{
public void run()
{
Log.i(Email.LOG_TAG, "Rescheduling pushers");
stopPushers(null);
setupPushers(null);
schedulePushers(startId);
}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, null );
}
private void setupPushers(final Integer startId)
{
execute(getApplication(), new Runnable()
{
public void run()
{
boolean pushing = false;
for (Account account : Preferences.getPreferences(MailService.this).getAccounts()) {
Log.i(Email.LOG_TAG, "Setting up pushers for account " + account.getDescription());
Pusher pusher = MessagingController.getInstance(getApplication()).setupPushing(account);
if (pusher != null)
{
pushing = true;
Log.i(Email.LOG_TAG, "Starting configured pusher for account " + account.getDescription());
pusher.start();
}
}
if (pushing)
{
PushService.startService(MailService.this);
}
}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, startId);
}
private void refreshPushers(final Integer startId)
{
execute(getApplication(), new Runnable()
{
public void run()
{
try
{
Log.i(Email.LOG_TAG, "Refreshing pushers");
Collection<Pusher> pushers = MessagingController.getInstance(getApplication()).getPushers();
for (Pusher pusher : pushers)
{
pusher.refresh();
}
}
catch (Exception e)
{
Log.e(Email.LOG_TAG, "Exception while refreshing pushers", e);
}
}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, startId );
}
private void schedulePushers(final Integer startId)
{
execute(getApplication(), new Runnable()
{
public void run()
{
int minInterval = -1;
Collection<Pusher> pushers = MessagingController.getInstance(getApplication()).getPushers();
for (Pusher pusher : pushers)
{
int interval = pusher.getRefreshInterval();
if (interval != -1 && (interval < minInterval || minInterval == -1))
{
minInterval = interval;
}
}
if (Email.DEBUG)
{
Log.v(Email.LOG_TAG, "Pusher refresh interval = " + minInterval);
}
if (minInterval != -1)
{
long nextTime = System.currentTimeMillis() + minInterval;
String checkString = "Next pusher refresh scheduled for " + new Date(nextTime);
if (Email.DEBUG)
{
Log.d(Email.LOG_TAG, checkString);
}
Intent i = new Intent();
i.setClassName(getApplication().getPackageName(), "com.android.email.service.MailService");
i.setAction(ACTION_REFRESH_PUSHERS);
BootReceiver.scheduleIntent(MailService.this, nextTime, i);
}}
}, Email.MAIL_SERVICE_WAKE_LOCK_TIMEOUT, startId);
}
public void execute(Context context, final Runnable runner, int wakeLockTime, final Integer startId)
{
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
final WakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Email");
wakeLock.setReferenceCounted(false);
wakeLock.acquire(wakeLockTime);
Log.i(Email.LOG_TAG, "MailService queueing Runnable " + runner.hashCode() + " with startId " + startId);
Runnable myRunner = new Runnable()
{
public void run()
{
try
{
Log.i(Email.LOG_TAG, "MailService running Runnable " + runner.hashCode() + " with startId " + startId);
runner.run();
}
finally
{
Log.i(Email.LOG_TAG, "MailService completed Runnable " + runner.hashCode() + " with startId " + startId);
wakeLock.release();
if (startId != null)
{
stopSelf(startId);
}
}
}
};
threadPool.execute(myRunner);
}
public IBinder onBind(Intent intent) {
return null;
}
}