447bac3280
Follow-up to ea2d98179c
This took a couple of iterations to find something that works without creating update loops, but I think that by automatically informing Grid whenever a layout component is re-rendered, we'll have a much easier time ensuring that our layouts are fully reactive.
92 lines
2.7 KiB
TypeScript
92 lines
2.7 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd
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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 { forwardRef, useCallback, useMemo } from "react";
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import { useObservableEagerState } from "observable-hooks";
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import { SpotlightExpandedLayout as SpotlightExpandedLayoutModel } from "../state/CallViewModel";
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import { CallLayout, GridTileModel, SpotlightTileModel } from "./CallLayout";
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import { DragCallback, useLayout } from "./Grid";
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import styles from "./SpotlightExpandedLayout.module.css";
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/**
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* An implementation of the "expanded spotlight" layout, in which the spotlight
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* tile stretches edge-to-edge and is overlaid by a picture-in-picture tile.
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*/
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export const makeSpotlightExpandedLayout: CallLayout<
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SpotlightExpandedLayoutModel
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> = ({ pipAlignment }) => ({
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scrollingOnTop: true,
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fixed: forwardRef(function SpotlightExpandedLayoutFixed(
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{ model, Slot },
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ref,
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) {
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useLayout();
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const spotlightTileModel: SpotlightTileModel = useMemo(
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() => ({ type: "spotlight", vms: model.spotlight, maximised: true }),
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[model.spotlight],
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);
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return (
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<div ref={ref} className={styles.layer}>
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<Slot
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className={styles.spotlight}
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id="spotlight"
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model={spotlightTileModel}
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/>
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</div>
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);
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}),
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scrolling: forwardRef(function SpotlightExpandedLayoutScrolling(
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{ model, Slot },
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ref,
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) {
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useLayout();
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const pipAlignmentValue = useObservableEagerState(pipAlignment);
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const pipTileModel: GridTileModel | undefined = useMemo(
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() => model.pip && { type: "grid", vm: model.pip },
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[model.pip],
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);
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const onDragPip: DragCallback = useCallback(
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({ xRatio, yRatio }) =>
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pipAlignment.next({
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block: yRatio < 0.5 ? "start" : "end",
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inline: xRatio < 0.5 ? "start" : "end",
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}),
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[],
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);
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return (
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<div ref={ref} className={styles.layer}>
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{pipTileModel && (
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<Slot
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className={styles.pip}
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id="pip"
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model={pipTileModel}
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onDrag={onDragPip}
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data-block-alignment={pipAlignmentValue.block}
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data-inline-alignment={pipAlignmentValue.inline}
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/>
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)}
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</div>
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);
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}),
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});
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