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