/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.uimanager;
import android.util.SparseArray;
import android.util.SparseBooleanArray;
/**
* Simple container class to keep track of {@link ReactShadowNode}s associated with a particular
* UIManagerModule instance.
*/
/*package*/ class ShadowNodeRegistry {
private final SparseArray<ReactShadowNode> mTagsToCSSNodes;
private final SparseBooleanArray mRootTags;
public ShadowNodeRegistry() {
mTagsToCSSNodes = new SparseArray<>();
mRootTags = new SparseBooleanArray();
}
public void addRootNode(ReactShadowNode node) {
int tag = node.getReactTag();
mTagsToCSSNodes.put(tag, node);
mRootTags.put(tag, true);
}
public void removeRootNode(int tag) {
if (!mRootTags.get(tag)) {
throw new IllegalViewOperationException(
"View with tag " + tag + " is not registered as a root view");
}
mTagsToCSSNodes.remove(tag);
mRootTags.delete(tag);
}
public void addNode(ReactShadowNode node) {
mTagsToCSSNodes.put(node.getReactTag(), node);
}
public void removeNode(int tag) {
if (mRootTags.get(tag)) {
throw new IllegalViewOperationException(
"Trying to remove root node " + tag + " without using removeRootNode!");
}
mTagsToCSSNodes.remove(tag);
}
public ReactShadowNode getNode(int tag) {
return mTagsToCSSNodes.get(tag);
}
public boolean isRootNode(int tag) {
return mRootTags.get(tag);
}
public int getRootNodeCount() {
return mRootTags.size();
}
public int getRootTag(int index) {
return mRootTags.keyAt(index);
}
}