contrapunctus/MapComplete
1
0
Fork 0
forked from MapComplete/MapComplete
Code Pull requests Activity

Improvements in loading images

Browse source
This commit is contained in:
Pieter Vander Vennet 2021-10-01 02:57:41 +02:00
parent 634f4e316a
commit 8b870474d7
9 changed files with 61 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Logic/ImageProviders/ImageProvider.ts
View file

@ -8,7 +8,7 @@ export interface ProvidedImage {
export default abstract class ImageProvider {
protected abstract readonly defaultKeyPrefixes : string[]
public abstract readonly defaultKeyPrefixes : string[] = ["mapillary", "image"]
private _cache = new Map<string, UIEventSource<LicenseInfo>>()
@ -33,6 +33,9 @@ export default abstract class ImageProvider {
prefixes?: string[]
}):UIEventSource<ProvidedImage[]> {
const prefixes = options?.prefixes ?? this.defaultKeyPrefixes
if(prefixes === undefined){
throw "The image provider"+this.constructor.name+" doesn't define `defaultKeyPrefixes`"
}
const relevantUrls = new UIEventSource<{ url: string; key: string; provider: ImageProvider }[]>([])
const seenValues = new Set<string>()
allTags.addCallbackAndRunD(tags => {
@ -45,10 +48,15 @@ export default abstract class ImageProvider {
continue
}
seenValues.add(value)
this.ExtractUrls(key, value).then(promises => {
for (const promise of promises) {
for (const promise of promises ?? []) {
if(promise === undefined){
continue
}
promise.then(providedImage => {
if(providedImage === undefined){
return
}
relevantUrls.data.push(providedImage)
relevantUrls.ping()
})