xref: /aosp_15_r20/development/tools/winscope/src/common/time.ts (revision 90c8c64db3049935a07c6143d7fd006e26f8ecca) 
1/*
2 * Copyright (C) 2022 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
17export const INVALID_TIME_NS = 0n;
18
19export class TimeRange {
20  constructor(readonly from: Timestamp, readonly to: Timestamp) {}
21
22  containsTimestamp(ts: Timestamp): boolean {
23    const min = this.from.getValueNs();
24    const max = this.to.getValueNs();
25    return ts.getValueNs() >= min && ts.getValueNs() <= max;
26  }
27}
28
29export interface TimezoneInfo {
30  timezone: string;
31  locale: string;
32}
33
34export interface TimestampFormatter {
35  format(timestamp: Timestamp, type: TimestampFormatType): string;
36}
37
38export enum TimestampFormatType {
39  FULL,
40  DROP_DATE,
41}
42
43export class Timestamp {
44  private readonly utcValueNs: bigint;
45  private readonly formatter: TimestampFormatter;
46
47  constructor(valueNs: bigint, formatter: TimestampFormatter) {
48    this.utcValueNs = valueNs;
49    this.formatter = formatter;
50  }
51
52  getValueNs(): bigint {
53    return this.utcValueNs;
54  }
55
56  valueOf(): bigint {
57    return this.utcValueNs;
58  }
59
60  in(range: TimeRange): boolean {
61    return (
62      range.from.getValueNs() <= this.getValueNs() &&
63      this.getValueNs() <= range.to.getValueNs()
64    );
65  }
66
67  add(n: bigint): Timestamp {
68    return new Timestamp(this.getValueNs() + n, this.formatter);
69  }
70
71  minus(n: bigint): Timestamp {
72    return new Timestamp(this.getValueNs() - n, this.formatter);
73  }
74
75  times(n: bigint): Timestamp {
76    return new Timestamp(this.getValueNs() * n, this.formatter);
77  }
78
79  div(n: bigint): Timestamp {
80    return new Timestamp(this.getValueNs() / n, this.formatter);
81  }
82
83  format(type = TimestampFormatType.FULL): string {
84    return this.formatter.format(this, type);
85  }
86}
87