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/*
* Copyright (C) 2010 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.email.service;
import static com.android.emailcommon.Logging.LOG_TAG;
import android.content.AbstractThreadedSyncAdapter;
import android.content.ComponentName;
import android.content.ContentProviderClient;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SyncResult;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
import android.os.PowerManager;
import android.text.format.DateUtils;
import com.android.emailcommon.Logging;
import com.android.emailcommon.provider.Mailbox;
import com.android.emailcommon.service.IEmailService;
import com.android.mail.utils.LogUtils;
public class LegacyImapSyncAdapterService extends PopImapSyncAdapterService {
// The call to ServiceConnection.onServiceConnected is asynchronous to bindService. It's
// possible for that to be delayed if, in which case, a call to onPerformSync
// could occur before we have a connection to the service.
// In onPerformSync, if we don't yet have our ImapService, we will wait for up to 10
// seconds for it to appear. If it takes longer than that, we will fail the sync.
private static final long MAX_WAIT_FOR_SERVICE_MS = 10 * DateUtils.SECOND_IN_MILLIS;
private IEmailService mImapService;
private final ServiceConnection mConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder binder) {
if (Logging.LOGD) {
LogUtils.v(LOG_TAG, "onServiceConnected");
}
synchronized (mConnection) {
mImapService = IEmailService.Stub.asInterface(binder);
mConnection.notify();
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
mImapService = null;
}
};
protected class ImapSyncAdapterImpl extends SyncAdapterImpl {
public ImapSyncAdapterImpl(Context context) {
super(context);
}
@Override
public void onPerformSync(android.accounts.Account account, Bundle extras,
String authority, ContentProviderClient provider, SyncResult syncResult) {
final Context context = LegacyImapSyncAdapterService.this;
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"Imap Sync WakeLock");
try {
wl.acquire();
if (!waitForService()) {
// The service didn't connect, nothing we can do.
return;
}
if (!Mailbox.isPushOnlyExtras(extras)) {
super.onPerformSync(account, extras, authority, provider, syncResult);
}
// Check if IMAP push service is necessary
ImapService.stopImapPushServiceIfNecessary(context);
} finally {
wl.release();
}
}
}
public AbstractThreadedSyncAdapter getSyncAdapter() {
return new ImapSyncAdapterImpl(getApplicationContext());
}
@Override
public void onCreate() {
super.onCreate();
bindService(new Intent(this, ImapService.class), mConnection, Context.BIND_AUTO_CREATE);
startService(new Intent(this, LegacyImapSyncAdapterService.class));
}
@Override
public void onDestroy() {
unbindService(mConnection);
super.onDestroy();
}
private final boolean waitForService() {
synchronized(mConnection) {
if (mImapService == null) {
if (Logging.LOGD) {
LogUtils.v(LOG_TAG, "ImapService not yet connected");
}
try {
mConnection.wait(MAX_WAIT_FOR_SERVICE_MS);
} catch (InterruptedException e) {
LogUtils.wtf(LOG_TAG, "InterrupedException waiting for ImapService to connect");
return false;
}
if (mImapService == null) {
LogUtils.wtf(LOG_TAG, "timed out waiting for ImapService to connect");
return false;
}
}
}
return true;
}
}
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