xref: /aosp_15_r20/external/perfetto/ui/src/widgets/text_input.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 {HTMLInputAttrs} from './common';
17
18type TextInputAttrs = HTMLInputAttrs & {
19  // Whether the input should autofocus when it is created.
20  autofocus?: boolean;
21};
22
23// For now, this component is just a simple wrapper around a plain old input
24// element, which does no more than specify a class. However, in the future we
25// might want to add more features such as an optional icon or button (e.g. a
26// clear button), at which point the benefit of having this as a component would
27// become more apparent.
28export class TextInput implements m.ClassComponent<TextInputAttrs> {
29  oncreate(vnode: m.CVnodeDOM<TextInputAttrs>) {
30    if (vnode.attrs.autofocus) {
31      (vnode.dom as HTMLElement).focus();
32    }
33  }
34
35  view({attrs}: m.CVnode<TextInputAttrs>) {
36    return m('input.pf-text-input', attrs);
37  }
38}
39