1/*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import {AddOperation} from 'trace/tree_node/operations/add_operation';
18import {PropertyTreeNode} from 'trace/tree_node/property_tree_node';
19import {DEFAULT_PROPERTY_TREE_NODE_FACTORY} from 'trace/tree_node/property_tree_node_factory';
20
21export class AddIsVisible extends AddOperation<PropertyTreeNode> {
22  protected override makeProperties(
23    value: PropertyTreeNode,
24  ): PropertyTreeNode[] {
25    // ActivityRecordProto
26    const visible = value.getChildByName('visible')?.getValue();
27    if (visible !== undefined) {
28      return [
29        DEFAULT_PROPERTY_TREE_NODE_FACTORY.makeCalculatedProperty(
30          value.id,
31          'isComputedVisible',
32          visible,
33        ),
34      ];
35    }
36
37    // WindowStateProto
38    const isVisible = value.getChildByName('isVisible')?.getValue();
39    const alpha = value
40      .getChildByName('attributes')
41      ?.getChildByName('alpha')
42      ?.getValue();
43    if (alpha !== undefined) {
44      return [
45        DEFAULT_PROPERTY_TREE_NODE_FACTORY.makeCalculatedProperty(
46          value.id,
47          'isComputedVisible',
48          isVisible && alpha > 0,
49        ),
50      ];
51    }
52
53    return [];
54  }
55}
56