1a0e5c1805
* Mark effects overlay canvas as aria hidden
* Ensure date separators aren't seen as focusable aria separators
* Fix
* Fix font slider not having aria label
* Add missing aria labels
* Fix settings flags setting aria-checked={null}
* Update snapshots
99 lines
3.7 KiB
TypeScript
99 lines
3.7 KiB
TypeScript
/*
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Copyright 2020 Nurjin Jafar
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Copyright 2020 Nordeck IT + Consulting GmbH.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React, { FunctionComponent, useEffect, useRef } from "react";
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import { logger } from "matrix-js-sdk/src/logger";
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import dis from "../../../dispatcher/dispatcher";
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import ICanvasEffect from "../../../effects/ICanvasEffect";
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import { CHAT_EFFECTS } from "../../../effects";
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import UIStore, { UI_EVENTS } from "../../../stores/UIStore";
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interface IProps {
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roomWidth: number;
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}
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const EffectsOverlay: FunctionComponent<IProps> = ({ roomWidth }) => {
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const canvasRef = useRef<HTMLCanvasElement>(null);
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const effectsRef = useRef<Map<string, ICanvasEffect>>(new Map<string, ICanvasEffect>());
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const lazyLoadEffectModule = async (name: string): Promise<ICanvasEffect | null> => {
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if (!name) return null;
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let effect: ICanvasEffect | null = effectsRef.current.get(name) || null;
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if (effect === null) {
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const options = CHAT_EFFECTS.find((e) => e.command === name)?.options;
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try {
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const { default: Effect } = await import(`../../../effects/${name}`);
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effect = new Effect(options);
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effectsRef.current.set(name, effect!);
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} catch (err) {
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logger.warn(`Unable to load effect module at '../../../effects/${name}.`, err);
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}
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}
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return effect;
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};
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useEffect(() => {
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const resize = (): void => {
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if (canvasRef.current && canvasRef.current?.height !== UIStore.instance.windowHeight) {
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canvasRef.current.height = UIStore.instance.windowHeight;
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}
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};
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const onAction = (payload: { action: string }): void => {
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const actionPrefix = "effects.";
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if (canvasRef.current && payload.action.startsWith(actionPrefix)) {
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const effect = payload.action.slice(actionPrefix.length);
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lazyLoadEffectModule(effect).then((module) => module?.start(canvasRef.current!));
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}
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};
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const dispatcherRef = dis.register(onAction);
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const canvas = canvasRef.current;
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if (canvas) canvas.height = UIStore.instance.windowHeight;
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UIStore.instance.on(UI_EVENTS.Resize, resize);
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return () => {
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dis.unregister(dispatcherRef);
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UIStore.instance.off(UI_EVENTS.Resize, resize);
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// eslint-disable-next-line react-hooks/exhaustive-deps
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const currentEffects = effectsRef.current; // this is not a react node ref, warning can be safely ignored
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for (const effect in currentEffects) {
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const effectModule: ICanvasEffect = currentEffects.get(effect)!;
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if (effectModule && effectModule.isRunning) {
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effectModule.stop();
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}
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}
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};
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}, []);
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return (
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<canvas
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ref={canvasRef}
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width={roomWidth}
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style={{
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display: "block",
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zIndex: 999999,
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pointerEvents: "none",
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position: "fixed",
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top: 0,
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right: 0,
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}}
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aria-hidden={true}
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/>
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);
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};
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export default EffectsOverlay;
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