BoundDynamicTypeImpl.java
/*
* Copyright 2022 The Android Open Source Project
*
* 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 androidx.wear.protolayout.expression.pipeline;
import java.util.List;
/**
* Dynamic type node implementation that contains a list of {@link DynamicDataNode} created during
* evaluation.
*/
class BoundDynamicTypeImpl implements BoundDynamicType {
private final List<DynamicDataNode<?>> mNodes;
BoundDynamicTypeImpl(List<DynamicDataNode<?>> nodes) {
this.mNodes = nodes;
}
/**
* Initializes evaluation.
*
* <p>See {@link BoundDynamicType#startEvaluation()}.
*/
@Override
public void startEvaluation() {
mNodes.stream()
.filter(n -> n instanceof DynamicDataSourceNode)
.forEach(n -> ((DynamicDataSourceNode<?>) n).preInit());
mNodes.stream()
.filter(n -> n instanceof DynamicDataSourceNode)
.forEach(n -> ((DynamicDataSourceNode<?>) n).init());
}
/**
* Sets visibility for all {@link AnimatableNode} in this dynamic type. For others, this is
* no-op.
*/
@Override
public void setAnimationVisibility(boolean visible) {
mNodes.stream()
.filter(n -> n instanceof AnimatableNode)
.forEach(n -> ((AnimatableNode) n).setVisibility(visible));
}
/** Returns how many of {@link AnimatableNode} are running. */
@Override
public int getRunningAnimationCount() {
return (int)
mNodes.stream()
.filter(n -> n instanceof AnimatableNode)
.filter(n -> ((AnimatableNode) n).hasRunningAnimation())
.count();
}
@Override
public int getDynamicNodeCount() {
return mNodes.size();
}
@Override
public void close() {
mNodes.stream()
.filter(n -> n instanceof DynamicDataSourceNode)
.forEach(n -> ((DynamicDataSourceNode<?>) n).destroy());
}
}