/**
* 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.render;
import org.waveprotocol.wave.client.common.safehtml.SafeHtml;
import org.waveprotocol.wave.client.common.safehtml.SafeHtmlBuilder;
import org.waveprotocol.wave.client.uibuilder.UiBuilder;
import org.waveprotocol.wave.model.conversation.Conversation;
import org.waveprotocol.wave.model.conversation.ConversationBlip;
import org.waveprotocol.wave.model.conversation.ConversationThread;
import org.waveprotocol.wave.model.conversation.ConversationView;
/**
* A Composite renderer helper that call deal out the rendering to multiple RendererHelper.
*
*/
public class CompositeRendererHelper implements ResultProducingRenderHelper<SafeHtml> {
private final ResultProducingRenderHelper<? extends UiBuilder>[] helpers;
@SuppressWarnings("unchecked")
public CompositeRendererHelper(ResultProducingRenderHelper<? extends UiBuilder> ... helpers){
this.helpers = helpers;
}
@Override
public void startView(ConversationView view) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.startView(view);
}
}
@Override
public void startConversation(Conversation conv) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.startConversation(conv);
}
}
@Override
public void startThread(ConversationThread thread) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.startThread(thread);
}
}
@Override
public void startInlineThread(ConversationThread thread) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.startInlineThread(thread);
}
}
@Override
public void startBlip(ConversationBlip blip) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.startBlip(blip);
}
}
@Override
public void endView(ConversationView view) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.endView(view);
}
}
@Override
public void endConversation(Conversation conv) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.endConversation(conv);
}
}
@Override
public void endThread(ConversationThread thread) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.endThread(thread);
}
}
@Override
public void endInlineThread(ConversationThread thread) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.endInlineThread(thread);
}
}
@Override
public void endBlip(ConversationBlip blip) {
for (ResultProducingRenderHelper<?> h : helpers) {
h.endBlip(blip);
}
}
@Override
public void begin() {
for (ResultProducingRenderHelper<?> h : helpers) {
h.begin();
}
}
@Override
public SafeHtml getResult() {
SafeHtmlBuilder builder = new SafeHtmlBuilder();
for (ResultProducingRenderHelper<? extends UiBuilder> h : helpers) {
h.getResult().outputHtml(builder);
}
return builder.toSafeHtml();
}
@Override
public void end() {
for (ResultProducingRenderHelper<?> h : helpers) {
h.end();
}
}
}