/**
* 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.view.builder;
import static org.waveprotocol.box.server.rpc.render.uibuilder.BuilderHelper.nonNull;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import org.waveprotocol.box.server.rpc.render.common.safehtml.SafeHtmlBuilder;
import org.waveprotocol.box.server.rpc.render.uibuilder.OutputHelper;
import org.waveprotocol.box.server.rpc.render.uibuilder.UiBuilder;
import org.waveprotocol.box.server.rpc.render.view.TypeCodes;
import org.waveprotocol.box.server.rpc.render.view.View.Type;
/**
* UI builder for an inline thread.
*
*/
public final class AnchorViewBuilder implements UiBuilder {
/**
* A unique id for this builder.
*/
private final String id;
//
// Structural components.
//
private final UiBuilder thread;
/**
* Creates an anchor view.
*
* @param id HTML-escaped value of the anchor's DOM id
* @param thread UI of the thread positioned at this anchor
*/
public static AnchorViewBuilder create(String id, UiBuilder thread) {
// Cheap semi-reliable check of escapedness.
Preconditions.checkArgument(id == null || !id.contains("\'"));
return new AnchorViewBuilder(id, nonNull(thread));
}
@VisibleForTesting
AnchorViewBuilder(String id, UiBuilder thread) {
this.id = id;
this.thread = thread;
}
@Override
public void outputHtml(SafeHtmlBuilder output) {
OutputHelper.openSpan(output, id, null, TypeCodes.kind(Type.ANCHOR));
thread.outputHtml(output);
OutputHelper.closeSpan(output);
}
}