/*
* Copyright 2011 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 com.google.common.css.compiler.ast;
/**
* A node representing an @-webkit-keyframes rule.
*
* @author fbenz@google.com (Florian Benz)
*/
public class CssKeyframesNode extends CssAtRuleNode implements ChunkAware {
/** The chunk this selector belongs to. */
private Object chunk;
public CssKeyframesNode(CssLiteralNode name) {
super(Type.UNKNOWN_BLOCK, name, new CssBlockNode());
}
public CssKeyframesNode(CssKeyframesNode node) {
super(node);
setChunk(node.getChunk());
}
/**
* Used by CreateVendorPrefixedKeyframes to copy an existing keyframes node
* to create a browser specific duplicate having different name.
*/
public CssKeyframesNode(CssLiteralNode name, CssKeyframesNode node) {
super(node);
setName(name);
setChunk(node.getChunk());
}
@Override
public CssKeyframesNode deepCopy() {
return new CssKeyframesNode(this);
}
/**
* For debugging only.
*/
@Override
public String toString() {
String output = "";
if (!getComments().isEmpty()) {
output = getComments().toString();
}
output += "@" + getName().toString() + getParameters().toString();
if (getBlock() != null) {
output += "{" + getBlock().toString() + "}";
}
return output;
}
@Override
public CssBlockNode getBlock() {
// The type is ensured by the constructor.
return (CssBlockNode) super.getBlock();
}
@Override
public void setChunk(Object chunk) {
this.chunk = chunk;
}
@Override
public Object getChunk() {
return chunk;
}
}