/*
* 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 forplay.flash;
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.display.Sprite;
import forplay.core.Asserts;
import forplay.core.GroupLayer;
import forplay.core.GroupLayerImpl;
import forplay.core.Layer;
import forplay.core.ParentLayer;
public class FlashGroupLayer extends FlashLayer implements GroupLayer, ParentLayer {
private GroupLayerImpl<FlashLayer> impl = new GroupLayerImpl<FlashLayer>();
FlashGroupLayer(DisplayObjectContainer container) {
super(container);
}
FlashGroupLayer() {
super(Sprite.create());
}
static FlashGroupLayer getRoot() {
return new FlashGroupLayer(Sprite.getRootSprite());
}
@Override
public Layer get(int index) {
return impl.children.get(index);
}
@Override
public void add(Layer layer) {
impl.add(this, (FlashLayer) layer);
((FlashLayer) layer).update();
container().addChild(display(layer));
}
@Override @Deprecated
public void add(int index, Layer layer) {
impl.add(this, index, (FlashLayer) layer);
((FlashLayer) layer).update();
container().addChildAt(display(layer), index);
}
@Override
public void remove(Layer layer) {
impl.remove(this, (FlashLayer) layer);
container().removeChild(display(layer));
}
@Override @Deprecated
public void remove(int index) {
impl.remove(this, index);
container().removeChildAt(index);
}
@Override
public void clear() {
impl.clear(this);
}
@Override
public int size() {
return impl.children.size();
}
@Override
public void destroy() {
super.destroy();
impl.destroy(this);
}
@Override
public void onAdd() {
super.onAdd();
impl.onAdd(this);
}
@Override
public void onRemove() {
super.onRemove();
impl.onRemove(this);
}
@Override
public void depthChanged(Layer layer, float oldDepth) {
impl.depthChanged(this, layer, oldDepth);
}
protected void updateChildren() {
for (Layer l : impl.children) {
((FlashLayer) l).update();
}
}
private DisplayObjectContainer container() {
return display().cast();
}
private FlashLayer flash(Layer layer) {
Asserts.checkArgument(layer instanceof FlashLayer);
return (FlashLayer) layer;
}
private DisplayObject display(Layer l) {
return flash(l).display();
}
}