/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.waveprotocol.wave.client.editor.extract;
import org.waveprotocol.wave.client.editor.content.ContentElement;
import org.waveprotocol.wave.client.editor.content.ContentNode;
import org.waveprotocol.wave.client.editor.content.ContentTextNode;
import org.waveprotocol.wave.model.document.ReadableDocument;
import org.waveprotocol.wave.model.document.util.Point;
import org.waveprotocol.wave.model.document.util.Point.El;
/**
* Listener that receives notifications on repairer reverts.
* @author patcoleman@google.com (Pat Coleman)
*/
public interface RepairListener {
/**
* Callback for notifications of when a document range is about to be reverted.
* @param start Start of revert range
* @param end End of revert range
*/
void onRangeRevert(Point.El<ContentNode> start, Point.El<ContentNode> end);
/**
* Callback for notifications of when an entire document is being reverted.
* @param doc The document being reverted.
*/
void onFullDocumentRevert(ReadableDocument<ContentNode, ContentElement, ContentTextNode> doc);
/**
* Simple implementation where neither of the callbacks do anything.
*/
public static RepairListener NONE = new RepairListener() {
@Override
public void onFullDocumentRevert(
ReadableDocument<ContentNode, ContentElement, ContentTextNode> doc) {
}
@Override
public void onRangeRevert(El<ContentNode> start, El<ContentNode> end) {
}
};
}