replicant-packages_apps_Email/emailcommon/src/com/android/emailcommon/service/EmailServiceCallback.java

118 lines
4.3 KiB
Java

/* Copyright (C) 2012 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.emailcommon.service;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.util.Log;
import com.android.emailcommon.service.IEmailServiceCallback.Stub;
public class EmailServiceCallback extends Stub {
private final RemoteCallbackList<IEmailServiceCallback> mCallbackList;
public EmailServiceCallback(RemoteCallbackList<IEmailServiceCallback> callbackList) {
mCallbackList = callbackList;
}
/**
* Broadcast a callback to the everyone that's registered
*
* @param wrapper the ServiceCallbackWrapper used in the broadcast
*/
private synchronized void broadcastCallback(ServiceCallbackWrapper wrapper) {
RemoteCallbackList<IEmailServiceCallback> callbackList = mCallbackList;
if (callbackList != null) {
// Call everyone on our callback list
int count = callbackList.beginBroadcast();
try {
for (int i = 0; i < count; i++) {
try {
wrapper.call(callbackList.getBroadcastItem(i));
} catch (RemoteException e) {
// Safe to ignore
} catch (RuntimeException e) {
// We don't want an exception in one call to prevent other calls, so
// we'll just log this and continue
Log.e("EmailServiceCallback", "Caught RuntimeException in broadcast", e);
}
}
} finally {
// No matter what, we need to finish the broadcast
callbackList.finishBroadcast();
}
}
}
@Override
public void loadAttachmentStatus(final long messageId, final long attachmentId,
final int status, final int progress) {
broadcastCallback(new ServiceCallbackWrapper() {
@Override
public void call(IEmailServiceCallback cb) throws RemoteException {
cb.loadAttachmentStatus(messageId, attachmentId, status, progress);
}
});
}
@Override
public void loadMessageStatus(final long messageId, final int status, final int progress) {
broadcastCallback(new ServiceCallbackWrapper() {
@Override
public void call(IEmailServiceCallback cb) throws RemoteException {
cb.loadMessageStatus(messageId, status, progress);
}
});
}
@Override
public void sendMessageStatus(final long messageId, final String subject, final int status,
final int progress) {
broadcastCallback(new ServiceCallbackWrapper() {
@Override
public void call(IEmailServiceCallback cb) throws RemoteException {
cb.sendMessageStatus(messageId, subject, status, progress);
}
});
}
@Override
public void syncMailboxListStatus(final long accountId, final int status,
final int progress) {
broadcastCallback(new ServiceCallbackWrapper() {
@Override
public void call(IEmailServiceCallback cb) throws RemoteException {
cb.syncMailboxListStatus(accountId, status, progress);
}
});
}
@Override
public void syncMailboxStatus(final long mailboxId, final int status,
final int progress) {
broadcastCallback(new ServiceCallbackWrapper() {
@Override
public void call(IEmailServiceCallback cb) throws RemoteException {
cb.syncMailboxStatus(mailboxId, status, progress);
}
});
}
private interface ServiceCallbackWrapper {
public void call(IEmailServiceCallback cb) throws RemoteException;
}
}