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Create ArticleIconSchemeHandlerDelegate, so ArticleIconSchemeHandler doesn’t have to know about SceneCoordinator.

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This commit is contained in:
Brent Simmons
2024-03-05 21:18:46 -08:00
parent 28ff23ee7b
commit ebddf37f47
2 changed files with 23 additions and 11 deletions
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22
iOS/Article/ArticleIconSchemeHandler.swift
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@@ -8,19 +8,23 @@
import Foundation
import WebKit
import Articles
class ArticleIconSchemeHandler: NSObject, WKURLSchemeHandler {
protocol ArticleIconSchemeHandlerDelegate: AnyObject {
weak var coordinator: SceneCoordinator?
init(coordinator: SceneCoordinator) {
self.coordinator = coordinator
func iconImage(for articleID: String) -> IconImage?
}
final class ArticleIconSchemeHandler: NSObject, WKURLSchemeHandler {
weak var delegate: ArticleIconSchemeHandlerDelegate?
init(delegate: ArticleIconSchemeHandlerDelegate) {
self.delegate = delegate
}
func webView(_ webView: WKWebView, start urlSchemeTask: WKURLSchemeTask) {
guard let url = urlSchemeTask.request.url, let coordinator = coordinator else {
guard let url = urlSchemeTask.request.url, let delegate else {
urlSchemeTask.didFailWithError(URLError(.fileDoesNotExist))
return
}
@@ -29,7 +33,7 @@ class ArticleIconSchemeHandler: NSObject, WKURLSchemeHandler {
return
}
let articleID = components.path
guard let iconImage = coordinator.articleFor(articleID)?.iconImage() else {
guard let iconImage = delegate.iconImage(for: articleID) else {
urlSchemeTask.didFailWithError(URLError(.fileDoesNotExist))
return
}
@@ -49,12 +53,10 @@ class ArticleIconSchemeHandler: NSObject, WKURLSchemeHandler {
urlSchemeTask.didReceive(data)
urlSchemeTask.didFinish()
}
}
func webView(_ webView: WKWebView, stop urlSchemeTask: WKURLSchemeTask) {
urlSchemeTask.didFailWithError(URLError(.unknown))
}
}