/**
* Copyright 2011 The ForPlay Authors
*
* 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.android;
import forplay.core.Asserts;
import forplay.core.GroupLayer;
import forplay.core.GroupLayerImpl;
import forplay.core.Layer;
import forplay.core.ParentLayer;
class AndroidGroupLayer extends AndroidLayer implements GroupLayer, ParentLayer {
private GroupLayerImpl<AndroidLayer> impl = new GroupLayerImpl<AndroidLayer>();
@Override
public Layer get(int index) {
return impl.children.get(index);
}
@Override
public void add(Layer layer) {
Asserts.checkArgument(layer instanceof AndroidLayer);
impl.add(this, (AndroidLayer) layer);
}
@Override
public void add(int index, Layer layer) {
Asserts.checkArgument(layer instanceof AndroidLayer);
impl.add(this, index, (AndroidLayer) layer);
}
@Override
public void remove(Layer layer) {
Asserts.checkArgument(layer instanceof AndroidLayer);
impl.remove(this, (AndroidLayer) layer);
}
@Override
public void remove(int index) {
impl.remove(this, 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);
}
@Override
void paint(AndroidCanvas surf) {
if (!visible()) return;
surf.save();
transform(surf);
surf.setAlpha(surf.alpha() * alpha);
for (AndroidLayer child : impl.children) {
child.paint(surf);
}
surf.restore();
}
}