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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
import UIKit
import Common
/// Used in HeroImageView and FaviconImageView to update their image using the SiteImageHandler
protocol SiteImageView: UIView {
var uniqueID: UUID? { get set }
var imageFetcher: SiteImageHandler { get set }
func updateImage(site: SiteImageModel)
func setImage(imageModel: SiteImageModel)
// Avoid multiple image loading in parallel. Only start a new request if the URL string has changed
var currentURLString: String? { get set }
func canMakeRequest(with siteURLString: String?) -> Bool
}
extension SiteImageView {
func canMakeRequest(with siteURLString: String?) -> Bool {
guard currentURLString != nil else {
currentURLString = siteURLString
return true
}
return currentURLString != siteURLString
}
func updateImage(site: SiteImageModel) {
Task {
let imageModel = await imageFetcher.getImage(site: site)
DispatchQueue.main.async { [weak self] in
guard let self, uniqueID == imageModel.id else { return }
setImage(imageModel: imageModel)
}
}
}
}