/**
* 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.wavepanel.render;
import com.google.common.base.Preconditions;
import org.waveprotocol.wave.client.wavepanel.render.InlineAnchorLiveRenderer.ReplyDoodad;
import org.waveprotocol.wave.client.wavepanel.view.AnchorView;
import org.waveprotocol.wave.client.wavepanel.view.BlipMetaView;
import org.waveprotocol.wave.client.wavepanel.view.BlipView;
import org.waveprotocol.wave.client.wavepanel.view.InlineThreadView;
import org.waveprotocol.wave.client.wavepanel.view.dom.ModelAsViewProvider;
import org.waveprotocol.wave.model.conversation.ConversationBlip;
import org.waveprotocol.wave.model.conversation.ConversationThread;
public class ReplyManager implements InlineAnchorLiveRenderer.AnchorHandler {
private final ModelAsViewProvider views;
public ReplyManager(ModelAsViewProvider views) {
this.views = views;
}
@Override
public void onAnchorAddedBefore(ConversationBlip blip, ReplyDoodad ref, ReplyDoodad dood) {
BlipView blipUi = views.getBlipView(blip);
BlipMetaView metaUi = blipUi != null ? blipUi.getMeta() : null;
if (metaUi != null) {
AnchorView inlineUi = dood.getAnchor();
metaUi.insertInlineAnchorBefore(ref != null ? ref.getAnchor() : null, inlineUi);
// Move reply if it exists.
ConversationThread reply = blip.getReplyThread(dood.getId());
AnchorView defaultUi = reply != null ? views.getDefaultAnchor(reply) : null;
InlineThreadView replyUi = defaultUi != null ? defaultUi.getThread() : null;
if (replyUi != null) {
defaultUi.detach(replyUi);
inlineUi.attach(replyUi);
}
}
}
@Override
public void onAnchorRemoved(ConversationBlip blip, ReplyDoodad dood) {
BlipView blipUi = views.getBlipView(blip);
BlipMetaView metaUi = blip != null ? blipUi.getMeta() : null;
if (metaUi != null) {
AnchorView inlineUi = dood.getAnchor();
// Move reply if there is one.
ConversationThread reply = blip.getReplyThread(dood.getId());
AnchorView defaultUi = reply != null ? views.getDefaultAnchor(reply) : null;
InlineThreadView replyUi = inlineUi.getThread();
if (replyUi != null) {
inlineUi.detach(replyUi);
defaultUi.attach(replyUi);
}
dood.getAnchor().remove();
}
}
public InlineThreadView presentAfter(BlipView blipUi, ConversationThread ref,
ConversationThread thread) {
AnchorView refDefault = ref != null ? views.getDefaultAnchor(ref) : null;
Preconditions.checkArgument(ref == null || refDefault != null, "ref is not rendered");
// Render thread in default anchor (and move to inline if there is one).
AnchorView defaultUi = blipUi.insertDefaultAnchorAfter(refDefault, thread);
InlineThreadView threadUi = defaultUi.getThread();
AnchorView inlineUi = views.getInlineAnchor(thread);
if (inlineUi != null) {
defaultUi.detach(threadUi);
inlineUi.attach(threadUi);
}
return threadUi;
}
}