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Use Javascript to fetch to the image for the ImageViewController

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This commit is contained in:
Maurice Parker
2019-10-13 19:41:34 -05:00
parent a1f26898c8
commit 4759cedd35
5 changed files with 63 additions and 52 deletions
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38
iOS/Article/ArticleViewController.swift
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@@ -349,13 +349,36 @@ extension ArticleViewController: WKUIDelegate {
extension ArticleViewController: WKScriptMessageHandler {
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
if message.name == MessageName.imageWasClicked, let link = message.body as? String, let url = URL(string: link) {
let imageVC = UIStoryboard.main.instantiateController(ofType: ImageViewController.self)
imageVC.url = url
imageVC.modalPresentationStyle = .fullScreen
present(imageVC, animated: true)
if message.name == MessageName.imageWasClicked,
let body = message.body as? String,
let data = body.data(using: .utf8),
let clickMessage = try? JSONDecoder().decode(ImageClickMessage.self, from: data),
let range = clickMessage.imageURL.range(of: ";base64,") {
let base64Image = String(clickMessage.imageURL.suffix(from: range.upperBound))
if let imageData = Data(base64Encoded: base64Image), let image = UIImage(data: imageData) {
let imageVC = UIStoryboard.main.instantiateController(ofType: ImageViewController.self)
imageVC.image = image
imageVC.modalPresentationStyle = .fullScreen
present(imageVC, animated: true)
}
}
}
}
// MARK: JSON
private struct TemplateData: Codable {
let style: String
let body: String
}
private struct ImageClickMessage: Codable {
let x: Float
let y: Float
let width: Float
let height: Float
let imageURL: String
}
// MARK: Private
@@ -369,8 +392,3 @@ private extension ArticleViewController {
}
}
private struct TemplateData: Codable {
let style: String
let body: String
}