59 lines
No EOL
2.1 KiB
TypeScript
59 lines
No EOL
2.1 KiB
TypeScript
import {Mapillary} from "./Mapillary";
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import {WikimediaImageProvider} from "./WikimediaImageProvider";
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import {Imgur} from "./Imgur";
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import GenericImageProvider from "./GenericImageProvider";
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import {UIEventSource} from "../UIEventSource";
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import ImageProvider, {ProvidedImage} from "./ImageProvider";
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import {WikidataImageProvider} from "./WikidataImageProvider";
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import {Utils} from "../../Utils";
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/**
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* A generic 'from the interwebz' image picker, without attribution
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*/
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export default class AllImageProviders {
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public static ImageAttributionSource: ImageProvider[] = [
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Imgur.singleton,
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Mapillary.singleton,
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WikidataImageProvider.singleton,
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WikimediaImageProvider.singleton,
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new GenericImageProvider(Imgur.defaultValuePrefix)]
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private static _cache: Map<string, UIEventSource<ProvidedImage[]>> = new Map<string, UIEventSource<ProvidedImage[]>>()
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public static LoadImagesFor(tags: UIEventSource<any>, imagePrefix: string, loadSpecialSource: boolean): UIEventSource<ProvidedImage[]> {
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const id = tags.data.id
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if (id === undefined) {
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return undefined;
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}
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const cached = this._cache.get(tags.data.id)
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if (cached !== undefined) {
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return cached
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}
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const source = new UIEventSource([])
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this._cache.set(id, source)
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const allSources = []
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for (const imageProvider of AllImageProviders.ImageAttributionSource) {
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const singleSource = imageProvider.GetRelevantUrls(tags)
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allSources.push(singleSource)
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singleSource.addCallbackAndRunD(_ => {
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const all : ProvidedImage[] = [].concat(...allSources.map(source => source.data))
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const uniq = []
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const seen = new Set<string>()
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for (const img of all) {
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if(seen.has(img.url)){
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continue
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}
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seen.add(img.url)
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uniq.push(img)
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}
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source.setData(uniq)
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})
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}
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return source;
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}
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} |