Files
infocom-systems-design/node_modules/chromium-bidi/lib/esm/bidiMapper/modules/input/InputState.js
2025-10-03 22:27:28 +03:00

89 lines
3.4 KiB
JavaScript

/**
* Copyright 2023 Google LLC.
* Copyright (c) Microsoft Corporation.
*
* 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 { InvalidArgumentException, UnknownErrorException, } from '../../../protocol/protocol.js';
import { Mutex } from '../../../utils/Mutex.js';
import { KeySource, NoneSource, PointerSource, WheelSource, } from './InputSource.js';
export class InputState {
cancelList = [];
#sources = new Map();
#mutex = new Mutex();
getOrCreate(id, type, subtype) {
let source = this.#sources.get(id);
if (!source) {
switch (type) {
case "none" /* SourceType.None */:
source = new NoneSource();
break;
case "key" /* SourceType.Key */:
source = new KeySource();
break;
case "pointer" /* SourceType.Pointer */: {
let pointerId = subtype === "mouse" /* Input.PointerType.Mouse */ ? 0 : 2;
const pointerIds = new Set();
for (const [, source] of this.#sources) {
if (source.type === "pointer" /* SourceType.Pointer */) {
pointerIds.add(source.pointerId);
}
}
while (pointerIds.has(pointerId)) {
++pointerId;
}
source = new PointerSource(pointerId, subtype);
break;
}
case "wheel" /* SourceType.Wheel */:
source = new WheelSource();
break;
default:
throw new InvalidArgumentException(`Expected "${"none" /* SourceType.None */}", "${"key" /* SourceType.Key */}", "${"pointer" /* SourceType.Pointer */}", or "${"wheel" /* SourceType.Wheel */}". Found unknown source type ${type}.`);
}
this.#sources.set(id, source);
return source;
}
if (source.type !== type) {
throw new InvalidArgumentException(`Input source type of ${id} is ${source.type}, but received ${type}.`);
}
return source;
}
get(id) {
const source = this.#sources.get(id);
if (!source) {
throw new UnknownErrorException(`Internal error.`);
}
return source;
}
getGlobalKeyState() {
const state = new KeySource();
for (const [, source] of this.#sources) {
if (source.type !== "key" /* SourceType.Key */) {
continue;
}
for (const pressed of source.pressed) {
state.pressed.add(pressed);
}
state.alt ||= source.alt;
state.ctrl ||= source.ctrl;
state.meta ||= source.meta;
state.shift ||= source.shift;
}
return state;
}
get queue() {
return this.#mutex;
}
}
//# sourceMappingURL=InputState.js.map