/*
* Copyright (c) 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
*
* 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.google.dart.tools.update.core;
/**
* Instances of <code>UpdateListener</code> are registered with the {@link UpdateManager} and
* notified of changes in update status.
*/
public interface UpdateListener {
/**
* Called when an update check is complete.
*/
void checkComplete();
/**
* Called when an update check failed.
*
* @param errorDetails a printable string describing the update check error
*/
void checkFailed(String errorDetails);
/**
* Called when an update check has started.
*/
void checkStarted();
/**
* Called when a download is cancelled.
*/
void downloadCancelled();
/**
* Called when an update download is complete.
*/
void downloadComplete();
/**
* Called when a download has started.
*/
void downloadStarted();
/**
* Called when an update is getting installed.
*/
void installing();
/**
* Called when an update has been applied.
*/
void updateApplied();
/**
* Called when an update is available for download.
*
* @param revision the available revision
*/
void updateAvailable(Revision revision);
/**
* Called when an update is staged and ready to be applied.
*/
void updateStaged();
}