/**
* Copyright 2009 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.wave.client.editor.content;
import org.waveprotocol.wave.client.editor.ElementHandlerRegistry;
import org.waveprotocol.wave.model.document.util.AnnotationRegistry;
/**
* Bundle of registries for handling/rendering of elements and annotations.
*
* NOTE(user): The implementation of each registry's createExtension is just a
* normal copy. Other improvements can be copy on write for efficiency, and also
* some mechanism so that writes to the parent propagates to the children.
*
* NOTE(user): Consider having one registry hierarchy with each element in it
* containing (doodads, handlers, annotation, paint ...) rather than N
* hierarchies superimposed.
*
*/
public final class RegistriesImpl implements Registries {
private final ElementHandlerRegistry elementHandlerRegistry;
private final AnnotationRegistry annotationHandlerRegistry;
private final PainterRegistry paintRegistry;
public RegistriesImpl(ElementHandlerRegistry elementHandlerRegistry,
AnnotationRegistry annotationHandlerRegistry, PainterRegistry paintRegistry) {
this.elementHandlerRegistry = elementHandlerRegistry;
this.annotationHandlerRegistry = annotationHandlerRegistry;
this.paintRegistry = paintRegistry;
}
@Override
public ElementHandlerRegistry getElementHandlerRegistry() {
return elementHandlerRegistry;
}
@Override
public AnnotationRegistry getAnnotationHandlerRegistry() {
return annotationHandlerRegistry;
}
@Override
public PainterRegistry getPaintRegistry() {
return paintRegistry;
}
@Override
public Registries createExtension() {
return new RegistriesImpl(elementHandlerRegistry.createExtension(),
annotationHandlerRegistry.createExtension(), paintRegistry.createExtension());
}
}