80 lines
2.4 KiB
TypeScript
80 lines
2.4 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only
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Please see LICENSE in the repository root for full details.
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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 classNames from "classnames";
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import { OneOnOneLayout as OneOnOneLayoutModel } from "../state/CallViewModel";
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import { CallLayout, GridTileModel, arrangeTiles } from "./CallLayout";
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import styles from "./OneOnOneLayout.module.css";
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import { DragCallback, useUpdateLayout } from "./Grid";
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/**
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* An implementation of the "one-on-one" layout, in which the remote participant
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* is shown at maximum size, overlaid by a small view of the local participant.
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*/
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export const makeOneOnOneLayout: CallLayout<OneOnOneLayoutModel> = ({
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minBounds,
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pipAlignment,
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}) => ({
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scrollingOnTop: false,
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fixed: forwardRef(function OneOnOneLayoutFixed(_props, ref) {
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useUpdateLayout();
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return <div ref={ref} />;
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}),
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scrolling: forwardRef(function OneOnOneLayoutScrolling({ model, Slot }, ref) {
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useUpdateLayout();
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const { width, height } = useObservableEagerState(minBounds);
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const pipAlignmentValue = useObservableEagerState(pipAlignment);
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const { tileWidth, tileHeight } = useMemo(
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() => arrangeTiles(width, height, 1),
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[width, height],
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);
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const remoteTileModel: GridTileModel = useMemo(
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() => ({ type: "grid", vm: model.remote }),
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[model.remote],
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);
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const localTileModel: GridTileModel = useMemo(
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() => ({ type: "grid", vm: model.local }),
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[model.local],
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);
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const onDragLocalTile: 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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<Slot
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id={remoteTileModel.vm.id}
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model={remoteTileModel}
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className={styles.container}
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style={{ width: tileWidth, height: tileHeight }}
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>
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<Slot
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className={classNames(styles.slot, styles.local)}
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id={localTileModel.vm.id}
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model={localTileModel}
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onDrag={onDragLocalTile}
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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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</Slot>
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</div>
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);
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}),
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});
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