xref: /aosp_15_r20/external/perfetto/ui/src/widgets/spinner.ts (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1// Copyright (C) 2023 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15import m from 'mithril';
16import {classNames} from '../base/classnames';
17
18interface SpinnerAttrs {
19  // Whether to use an ease-in-ease-out animation rather than a linear one.
20  // Defaults to false.
21  easing?: boolean;
22  // Additional space separated classnames.
23  className?: string;
24}
25
26export class Spinner implements m.ClassComponent<SpinnerAttrs> {
27  view({attrs}: m.Vnode<SpinnerAttrs, this>): void | m.Children {
28    const {easing = false, className} = attrs;
29    const classes = classNames(easing && 'easing', className);
30    return m('.pf-spinner', {class: classes});
31  }
32}
33