345 lines
10 KiB
JavaScript
345 lines
10 KiB
JavaScript
import React from "react";
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import { css, cx } from "emotion";
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import {
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Box,
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DarkMode,
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Flex,
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IconButton,
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Stack,
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Tooltip,
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useClipboard,
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useToast,
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} from "@chakra-ui/core";
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import {
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ArrowBackIcon,
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CheckIcon,
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DownloadIcon,
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LinkIcon,
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} from "@chakra-ui/icons";
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import { MdPause, MdPlayArrow } from "react-icons/md";
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import { Link } from "react-router-dom";
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import PosePicker from "./PosePicker";
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import SpeciesColorPicker from "../components/SpeciesColorPicker";
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import { useLocalStorage } from "../util";
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import useOutfitAppearance from "../components/useOutfitAppearance";
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/**
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* OutfitControls is the set of controls layered over the outfit preview, to
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* control things like species/color and sharing links!
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*/
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function OutfitControls({ outfitState, dispatchToOutfit }) {
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const [focusIsLocked, setFocusIsLocked] = React.useState(false);
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const onLockFocus = React.useCallback(() => setFocusIsLocked(true), [
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setFocusIsLocked,
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]);
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const onUnlockFocus = React.useCallback(() => setFocusIsLocked(false), [
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setFocusIsLocked,
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]);
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// HACK: As of 1.0.0-rc.0, Chakra's `toast` function rebuilds unnecessarily,
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// which triggers unnecessary rebuilds of the `onSpeciesColorChange`
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// callback, which causes the `React.memo` on `SpeciesColorPicker` to
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// fail, which harms performance. But it seems to work just fine if we
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// hold onto the first copy of the function we get! :/
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const _toast = useToast();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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const toast = React.useMemo(() => _toast, []);
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const onSpeciesColorChange = React.useCallback(
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(species, color, isValid, closestPose) => {
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if (isValid) {
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dispatchToOutfit({
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type: "setSpeciesAndColor",
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speciesId: species.id,
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colorId: color.id,
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pose: closestPose,
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});
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} else {
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// NOTE: This shouldn't be possible to trigger, because the
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// `stateMustAlwaysBeValid` prop should prevent it. But we have
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// it as a fallback, just in case!
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toast({
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title: `We haven't seen a ${color.name} ${species.name} before! 😓`,
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status: "warning",
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});
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}
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},
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[dispatchToOutfit, toast]
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);
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const maybeUnlockFocus = (e) => {
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// We lock focus when a touch-device user taps the area. When they tap
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// empty space, we treat that as a toggle and release the focus lock.
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if (e.target === e.currentTarget) {
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onUnlockFocus();
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}
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};
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return (
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<Box
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role="group"
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pos="absolute"
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left="0"
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right="0"
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top="0"
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bottom="0"
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height="100%" // Required for Safari to size the grid correctly
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padding={{ base: 2, lg: 6 }}
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display="grid"
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overflow="auto"
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gridTemplateAreas={`"back sharing"
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"space space"
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"picker picker"`}
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gridTemplateRows="auto minmax(1rem, 1fr) auto"
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className={cx(
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css`
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opacity: 0;
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transition: opacity 0.2s;
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&:focus-within,
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&.focus-is-locked {
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opacity: 1;
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}
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/* Ignore simulated hovers, only reveal for _real_ hovers. This helps
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* us avoid state conflicts with the focus-lock from clicks. */
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@media (hover: hover) {
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&:hover {
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opacity: 1;
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}
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}
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`,
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focusIsLocked && "focus-is-locked"
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)}
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onClickCapture={(e) => {
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const opacity = parseFloat(getComputedStyle(e.currentTarget).opacity);
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if (opacity < 0.5) {
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// If the controls aren't visible right now, then clicks on them are
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// probably accidental. Ignore them! (We prevent default to block
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// built-in behaviors like link nav, and we stop propagation to block
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// our own custom click handlers. I don't know if I can prevent the
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// select clicks though?)
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e.preventDefault();
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e.stopPropagation();
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// We also show the controls, by locking focus. We'll undo this when
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// the user taps elsewhere (because it will trigger a blur event from
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// our child components), in `maybeUnlockFocus`.
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setFocusIsLocked(true);
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}
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}}
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>
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<Box gridArea="back" onClick={maybeUnlockFocus}>
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<ControlButton
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as={Link}
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to="/"
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icon={<ArrowBackIcon />}
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aria-label="Leave this outfit"
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d="inline-flex" // Not sure why <a> requires this to style right! ^^`
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/>
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</Box>
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<Stack
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gridArea="sharing"
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alignSelf="flex-end"
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spacing={{ base: "2", lg: "4" }}
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align="flex-end"
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onClick={maybeUnlockFocus}
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>
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<Box>
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<DownloadButton outfitState={outfitState} />
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</Box>
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<Box>
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<CopyLinkButton outfitState={outfitState} />
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</Box>
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<Box>
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<PlayPauseButton />
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</Box>
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</Stack>
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<Box gridArea="space" onClick={maybeUnlockFocus} />
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<Flex gridArea="picker" justify="center" onClick={maybeUnlockFocus}>
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{/**
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* We try to center the species/color picker, but the left spacer will
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* shrink more than the pose picker container if we run out of space!
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*/}
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<Box flex="1 1 0" />
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<Box flex="0 0 auto">
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<DarkMode>
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<SpeciesColorPicker
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speciesId={outfitState.speciesId}
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colorId={outfitState.colorId}
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idealPose={outfitState.pose}
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onChange={onSpeciesColorChange}
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stateMustAlwaysBeValid
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/>
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</DarkMode>
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</Box>
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<Flex flex="1 1 0" align="center" pl="4">
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<PosePicker
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speciesId={outfitState.speciesId}
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colorId={outfitState.colorId}
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pose={outfitState.pose}
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appearanceId={outfitState.appearanceId}
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dispatchToOutfit={dispatchToOutfit}
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onLockFocus={onLockFocus}
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onUnlockFocus={onUnlockFocus}
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/>
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</Flex>
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</Flex>
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</Box>
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);
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}
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/**
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* DownloadButton downloads the outfit as an image!
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*/
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function DownloadButton({ outfitState }) {
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const { visibleLayers } = useOutfitAppearance(outfitState);
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const [downloadImageUrl, prepareDownload] = useDownloadableImage(
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visibleLayers
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);
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return (
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<Tooltip label="Download" placement="left">
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<Box>
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<ControlButton
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icon={<DownloadIcon />}
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aria-label="Download"
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as="a"
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// eslint-disable-next-line no-script-url
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href={downloadImageUrl || "#"}
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onClick={(e) => {
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if (!downloadImageUrl) {
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e.preventDefault();
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}
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}}
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download={(outfitState.name || "Outfit") + ".png"}
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onMouseEnter={prepareDownload}
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onFocus={prepareDownload}
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cursor={!downloadImageUrl && "wait"}
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/>
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</Box>
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</Tooltip>
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);
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}
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/**
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* CopyLinkButton copies the outfit URL to the clipboard!
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*/
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function CopyLinkButton({ outfitState }) {
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const { onCopy, hasCopied } = useClipboard(outfitState.url);
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return (
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<Tooltip label={hasCopied ? "Copied!" : "Copy link"} placement="left">
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<Box>
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<ControlButton
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icon={hasCopied ? <CheckIcon /> : <LinkIcon />}
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aria-label="Copy link"
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onClick={onCopy}
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/>
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</Box>
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</Tooltip>
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);
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}
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function PlayPauseButton() {
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const [isPaused, setIsPaused] = useLocalStorage("DTIOutfitIsPaused", true);
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const label = isPaused ? "Start animations" : "Stop animations";
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return (
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<Tooltip label={label} placement="left">
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<Box>
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<ControlButton
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icon={isPaused ? <MdPlayArrow /> : <MdPause />}
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aria-label={label}
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onClick={() => setIsPaused(!isPaused)}
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/>
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</Box>
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</Tooltip>
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);
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}
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/**
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* ControlButton is a UI helper to render the cute round buttons we use in
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* OutfitControls!
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*/
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function ControlButton({ icon, "aria-label": ariaLabel, ...props }) {
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return (
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<IconButton
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icon={icon}
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aria-label={ariaLabel}
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isRound
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variant="unstyled"
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backgroundColor="gray.600"
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color="gray.50"
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boxShadow="md"
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d="flex"
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alignItems="center"
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justifyContent="center"
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transition="backgroundColor 0.2s"
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_focus={{ backgroundColor: "gray.500" }}
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_hover={{ backgroundColor: "gray.500" }}
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outline="initial"
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{...props}
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/>
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);
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}
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/**
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* useDownloadableImage loads the image data and generates the downloadable
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* image URL.
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*/
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function useDownloadableImage(visibleLayers) {
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const [downloadImageUrl, setDownloadImageUrl] = React.useState(null);
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const [preparedForLayerIds, setPreparedForLayerIds] = React.useState([]);
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const prepareDownload = React.useCallback(async () => {
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// Skip if the current image URL is already correct for these layers.
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const layerIds = visibleLayers.map((l) => l.id);
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if (layerIds.join(",") === preparedForLayerIds.join(",")) {
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return;
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}
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// Skip if there are no layers. (This probably means we're still loading!)
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if (layerIds.length === 0) {
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return;
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}
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setDownloadImageUrl(null);
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const imagePromises = visibleLayers.map(
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(layer) =>
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new Promise((resolve, reject) => {
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const image = new window.Image();
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image.crossOrigin = "Anonymous"; // Requires S3 CORS config!
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image.addEventListener("load", () => resolve(image), false);
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image.addEventListener("error", (e) => reject(e), false);
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image.src = layer.imageUrl + "&xoxo";
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})
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);
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const images = await Promise.all(imagePromises);
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const canvas = document.createElement("canvas");
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const context = canvas.getContext("2d");
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canvas.width = 600;
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canvas.height = 600;
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for (const image of images) {
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context.drawImage(image, 0, 0);
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}
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console.log(
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"Generated image for download",
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layerIds,
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canvas.toDataURL("image/png")
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);
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setDownloadImageUrl(canvas.toDataURL("image/png"));
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setPreparedForLayerIds(layerIds);
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}, [preparedForLayerIds, visibleLayers]);
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return [downloadImageUrl, prepareDownload];
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}
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export default OutfitControls;
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