/**
* Copyright 2010 Google Inc.
*
* Licensed 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.box.server.rpc.render.renderer;
import org.waveprotocol.box.server.rpc.render.common.safehtml.SafeHtml;
import org.waveprotocol.box.server.rpc.render.common.safehtml.SafeHtmlBuilder;
import org.waveprotocol.box.server.rpc.render.uibuilder.UiBuilder;
import org.waveprotocol.wave.model.conversation.Conversation;
import org.waveprotocol.wave.model.conversation.ConversationBlip;
import org.waveprotocol.wave.model.conversation.ConversationThread;
/**
* 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;
public CompositeRendererHelper(ResultProducingRenderHelper<? extends UiBuilder> ... helpers){
this.helpers = helpers;
}
@Override
public void startView(org.waveprotocol.wave.model.conversation.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(org.waveprotocol.wave.model.conversation.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();
}
}
}