| /* |
| * Copyright 2019, 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. |
| */ |
| |
| import { nanos_to_string } from './transform.js' |
| |
| function transform_transaction(transaction, layerIdToName) { |
| const transactions = []; |
| |
| for (const surfaceChange of transaction.surfaceChange) { |
| transactions.push(Object.freeze({ |
| type: 'surfaceChange', |
| obj: surfaceChange, |
| layerName: layerIdToName[surfaceChange.id], |
| })); |
| } |
| |
| for (const displayChange of transaction.displayChange) { |
| transactions.push(Object.freeze({ |
| type: 'displayChange', |
| obj: displayChange, |
| layerName: layerIdToName[displayChange.id], |
| })); |
| } |
| |
| return transactions; |
| } |
| |
| function transform_entry(entry, layerIdToName) { |
| const type = entry.increment; |
| const timestamp = entry.timeStamp; |
| const time = nanos_to_string(timestamp); |
| |
| switch (type) { |
| case "transaction": |
| const origin = entry.transaction.origin; |
| |
| return Object.freeze({ |
| type, |
| transactions: transform_transaction(entry.transaction, layerIdToName), |
| time, |
| origin, |
| timestamp, |
| }); |
| |
| case "surfaceCreation": |
| // NOTE: There is no break on purpose — we want to fall through to default |
| layerIdToName[entry[type].id] = entry[type].name; |
| |
| default: |
| return Object.freeze({ |
| type, |
| obj: entry[type], |
| layerName: entry[type].name ?? layerIdToName[entry[type].id], |
| time, |
| timestamp, |
| }); |
| } |
| } |
| |
| function transform_transaction_trace(entries) { |
| const layerIdToName = {}; |
| const data = entries.increment.map(entry => transform_entry(entry, layerIdToName)); |
| |
| return { children: data }; |
| } |
| |
| export { transform_transaction_trace }; |