fox-send/ios/send-ios-action-extension/ActionViewController.swift

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2018-07-27 13:20:08 +00:00
//
// ActionViewController.swift
// send-ios-action-extension
//
// Created by Donovan Preston on 7/26/18.
//
import UIKit
import WebKit
import MobileCoreServices
var typesToLoad = [("com.adobe.pdf", "application/pdf"), ("public.png", "image/png"),
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("public.jpeg", "image/jpeg"), ("public.jpeg-2000", "image/jp2"),
("com.compuserve.gif", "image/gif"), ("com.microsoft.bmp", "image/bmp"),
("public.plain-text", "text/plain")]
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class ActionViewController: UIViewController, WKScriptMessageHandler {
@IBOutlet var webView: WKWebView!
var typeToSend: String?
var dataToSend: Data?
override func viewDidLoad() {
super.viewDidLoad()
self.webView.frame = self.view.bounds
self.webView?.configuration.userContentController.add(self, name: "loaded")
self.webView?.configuration.userContentController.add(self, name: "copy")
if let url = Bundle.main.url(
forResource: "index",
withExtension: "html",
subdirectory: "assets") {
self.webView.loadFileURL(url, allowingReadAccessTo: url.deletingLastPathComponent())
}
// Get the item[s] we're handling from the extension context.
for item in self.extensionContext!.inputItems as! [NSExtensionItem] {
for provider in item.attachments! as! [NSItemProvider] {
for (type, mimeType) in typesToLoad {
if provider.hasItemConformingToTypeIdentifier(type) {
provider.loadDataRepresentation(forTypeIdentifier: type, completionHandler: { (data, error) in
OperationQueue.main.addOperation {
self.typeToSend = mimeType
self.dataToSend = data
}
})
return
}
}
}
}
}
public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
print("Message received: \(message.name) with body: \(message.body)")
if (message.name == "loaded") {
let stringToSend = "window.sendBase64EncodedFromSwift('data:\(self.typeToSend ?? "application/octet-stream");base64,\(self.dataToSend?.base64EncodedString() ?? "")')";
self.webView.evaluateJavaScript(stringToSend) { (object: Any?, error: Error?) -> Void in
print("completed")
}
} else if (message.name == "copy") {
UIPasteboard.general.string = "\(message.body)"
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func done() {
// Return any edited content to the host app.
// This template doesn't do anything, so we just echo the passed in items.
self.extensionContext!.completeRequest(returningItems: self.extensionContext!.inputItems, completionHandler: nil)
}
}