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 {LayerFlag} from 'parsers/surface_flinger/layer_flag';
18import {AddOperation} from 'trace/tree_node/operations/add_operation';
19import {PropertyTreeNode} from 'trace/tree_node/property_tree_node';
20import {DEFAULT_PROPERTY_TREE_NODE_FACTORY} from 'trace/tree_node/property_tree_node_factory';
21
22export class AddVerboseFlags extends AddOperation<PropertyTreeNode> {
23  protected override makeProperties(
24    value: PropertyTreeNode,
25  ): PropertyTreeNode[] {
26    const flags = value.getChildByName('flags')?.getValue();
27    if (value.getChildByName('verboseFlags') || flags === undefined) return [];
28
29    const tokens: Array<string | LayerFlag> = [];
30    const verboseFlags = Object.keys(LayerFlag).filter((flag) =>
31      isNaN(Number(flag)),
32    );
33    const intFlags = Object.keys(LayerFlag).filter(
34      (flag) => !isNaN(Number(flag)),
35    );
36
37    intFlags.forEach((intFlag, index) => {
38      if ((Number(intFlag) & flags) !== 0) {
39        tokens.push(verboseFlags[index]);
40      }
41    });
42
43    let verboseFlagsStr = '';
44    if (tokens.length > 0) {
45      verboseFlagsStr = `${tokens.join('|')} (0x${flags.toString(16)})`;
46    }
47
48    return [
49      DEFAULT_PROPERTY_TREE_NODE_FACTORY.makeCalculatedProperty(
50        value.id,
51        'verboseFlags',
52        verboseFlagsStr,
53      ),
54    ];
55  }
56}
57