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Use an inexact timer for the IDLE refresh. 

Also use a wakeup timer, as we can't rely on the screen being turned on
at refresh time.

Change-Id: If64c164fd151c63404d0d63d9c463556cc3d0658
This commit is contained in:
Danny Baumann 2015-06-10 14:29:55 +02:00 committed by Steve Kondik
parent 59553089b9
commit 624321751a
1 changed files with 26 additions and 13 deletions
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39
provider_src/com/android/email/service/ImapService.java
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@ -108,8 +108,9 @@ public class ImapService extends Service {
private static final Flag[] FLAG_LIST_FLAGGED = new Flag[] { Flag.FLAGGED };
private static final Flag[] FLAG_LIST_ANSWERED = new Flag[] { Flag.ANSWERED };
// Kick idle connection every 25 minutes
// Kick idle connection every ~25 minutes (in a window between 25 and 28 minutes)
private static final int KICK_IDLE_CONNECTION_TIMEOUT = 25 * 60 * 1000;
private static final int KICK_IDLE_CONNECTION_MAX_DELAY = 3 * 60 * 1000;
private static final int ALARM_REQUEST_KICK_IDLE_CODE = 1000;
/**
@ -294,9 +295,10 @@ public class ImapService extends Service {
private void scheduleKickIdleConnection() {
PendingIntent pi = getKickIdleConnectionPendingIntent();
long due = System.currentTimeMillis() + KICK_IDLE_CONNECTION_TIMEOUT;
long due = SystemClock.elapsedRealtime() + KICK_IDLE_CONNECTION_TIMEOUT;
long windowLength = KICK_IDLE_CONNECTION_MAX_DELAY;
AlarmManager am = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);
am.set(AlarmManager.RTC, due, pi);
am.setWindow(AlarmManager.ELAPSED_REALTIME_WAKEUP, due, windowLength, pi);
}
private void cancelKickIdleConnection() {
@ -743,6 +745,7 @@ public class ImapService extends Service {
private ImapEmailConnectivityManager mConnectivityManager;
private LocalChangesContentObserver mLocalChangesObserver;
private Handler mServiceHandler;
private PowerManager.WakeLock mIdleRefreshWakeLock;
@Override
public void onCreate() {
@ -756,6 +759,11 @@ public class ImapService extends Service {
mConnectivityManager = new ImapEmailConnectivityManager(this, mBinder);
mLocalChangesObserver = new LocalChangesContentObserver(this, mServiceHandler);
// Initialize wake locks
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mIdleRefreshWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Imap IDLE Refresh");
mIdleRefreshWakeLock.setReferenceCounted(true);
// Register observers
getContentResolver().registerContentObserver(
Account.SYNC_SETTING_CHANGED_URI, true, mLocalChangesObserver);
@ -894,28 +902,33 @@ public class ImapService extends Service {
LogUtils.d(Logging.LOG_TAG, "action: Send Pending Mail "+accountId);
}
final long mailboxId = intent.getLongExtra(EXTRA_MAILBOX, -1);
if (mailboxId <= -1 ) {
if (mailboxId <= -1) {
return START_NOT_STICKY;
}
mIdleRefreshWakeLock.acquire();
sExecutor.execute(new Runnable() {
@Override
public void run() {
Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
if (mailbox == null) {
return;
}
Account account = Account.restoreAccountWithId(context, mailbox.mAccountKey);
if (account == null) {
return;
}
try {
Mailbox mailbox = Mailbox.restoreMailboxWithId(context, mailboxId);
if (mailbox == null) {
return;
}
Account account = Account.restoreAccountWithId(context,
mailbox.mAccountKey);
if (account == null) {
return;
}
ImapIdleFolderHolder holder = ImapIdleFolderHolder.getInstance();
holder.kickIdledMailbox(context, mailbox, account);
} catch (Exception e) {
LogUtils.e(Logging.LOG_TAG, e, "Failed to kick idled connection "
+ "for mailbox " + mailboxId);
} finally {
mIdleRefreshWakeLock.release();
}
}
});