| /** |
| * 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.model.wave.data; |
| |
| |
| import org.waveprotocol.wave.model.version.HashedVersion; |
| import org.waveprotocol.wave.model.wave.ParticipantId; |
| |
| /** |
| * A Listener that hears events from the wavelet. |
| * |
| * @author zdwang@google.com (David Wang) |
| */ |
| public interface WaveletDataListener { |
| /** |
| * Notifies this listener that a participant has been added. |
| * |
| * @param waveletData the wavelet data which the participant has been added to |
| * @param participant participant that was added |
| */ |
| void onParticipantAdded(WaveletData waveletData, ParticipantId participant); |
| |
| /** |
| * Notifies this listener that a participant has been removed. |
| * |
| * @param waveletData the wavelet data which the participant has been removed from |
| * @param participant participant that was removed |
| */ |
| void onParticipantRemoved(WaveletData waveletData, ParticipantId participant); |
| |
| /** |
| * Notifies this listener that a new blip has been added to the wavelet. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that was added |
| */ |
| void onBlipDataAdded(WaveletData waveletData, BlipData blip); |
| |
| /** |
| * Notifies this listener that a blip has been submitted. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that was submitted |
| */ |
| void onBlipDataSubmitted(WaveletData waveletData, BlipData blip); |
| |
| /** |
| * Notifies this listener that a contributor has been added to a blip. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that was modified |
| * @param contributor contributor that was added |
| */ |
| void onBlipDataContributorAdded( |
| WaveletData waveletData, BlipData blip, ParticipantId contributor); |
| |
| /** |
| * Notifies this listener that a contributor has been removed from a blip. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that was modified |
| * @param contributor contributor that was removed |
| */ |
| void onBlipDataContributorRemoved( |
| WaveletData waveletData, BlipData blip, ParticipantId contributor); |
| |
| /** |
| * Notifies this listener that the last-modified time has changed. |
| * @param waveletData TODO |
| */ |
| void onLastModifiedTimeChanged(WaveletData waveletData, long oldTime, long newTime); |
| |
| /** |
| * Notifies this listener that a blip's timestamp has changed. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that changed |
| * @param oldTime old timestamp |
| * @param newTime new timestamp |
| */ |
| void onBlipDataTimestampModified( |
| WaveletData waveletData, BlipData blip, long oldTime, long newTime); |
| |
| /** |
| * Notifies this listener that a blip's last-modified version has changed. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that changed |
| * @param oldVersion old version |
| * @param newVersion new version |
| */ |
| void onBlipDataVersionModified( |
| WaveletData waveletData, BlipData blip, long oldVersion, long newVersion); |
| |
| /** |
| * Notifies this listener that the wavelet's version has changed. |
| * |
| * @param waveletData the wavelet data that has changed |
| * @param oldVersion old version |
| * @param newVersion new version |
| */ |
| void onVersionChanged(WaveletData waveletData, long oldVersion, long newVersion); |
| |
| /** |
| * Notifies this listener that the wavelet's hashed version has changed. |
| * |
| * @param waveletData the wavelet data that has changed |
| * @param oldHashedVersion old version |
| * @param newHashedVersion new version |
| */ |
| void onHashedVersionChanged(WaveletData waveletData, HashedVersion oldHashedVersion, |
| HashedVersion newHashedVersion); |
| |
| /** |
| * Notifies this listener that the content of the blip was modified. |
| * |
| * @param waveletData the wavelet data which has been changed |
| * @param blip blip that was modified |
| */ |
| @Deprecated |
| void onRemoteBlipDataContentModified(WaveletData waveletData, BlipData blip); |
| } |