patrickshox

document.addEventListener("DOMContentLoaded", function(event) {
    let title = document.querySelector("#firstHeading").textContent
    safari.extension.dispatchMessage(title);
});

patrickshox

import SafariServices

class SafariExtensionHandler: SFSafariExtensionHandler {
    
    override func messageReceived(withName messageName: String, from page: SFSafariPage, userInfo: [String : Any]?) {
        SharedData.instance.messageName = messageName
        SharedData.instance.userInfo = userInfo
    }

    override func popoverViewController() -> SFSafariExtensionViewController {

patrickshox

import SafariServices

class SafariExtensionViewController: SFSafariExtensionViewController {
    
    @IBOutlet weak var label: NSTextField!

    override func viewWillAppear() {
        label.stringValue = SharedData.instance.messageName ?? "default"
    }
    

patrickshox

import Foundation

final class SharedData {
    private init () {}
    static let instance = SharedData()
    var messageName: String?
    var userInfo: [String : Any]?
}

patrickshox

import Cocoa
import SafariServices.SFSafariApplication
import SafariServices.SFSafariExtensionManager

let defaults = UserDefaults.init(suiteName: "L27L4K8SQU.WikiReminder")

class ViewController: NSViewController {
    
    @IBAction func refreshButtonPressed(_ sender: Any) {
        self.recentlyReadLabel.stringValue = defaults!.string(forKey: "WikipediaPageTitle") ?? "No value yet"

patrickshox

document.addEventListener("contextmenu", handleContextMenu, false);
function handleContextMenu(event) {
    var selectedText = window.getSelection().toString();
    safari.extension.setContextMenuEventUserInfo(event, {"selectedText": selectedText});
}

patrickshox

import SafariServices

class SafariExtensionHandler: SFSafariExtensionHandler {

    override func contextMenuItemSelected(withCommand command: String, in page: SFSafariPage, userInfo: [String : Any]? = nil) {
        if command == "Search" {
            let redirectedURL = URL(string: "https://duckduckgo.com/?q=\(String(describing: userInfo!["selectdText"]))&t=h_&ia=web!")!
            page.getContainingTab { (tab) in
                tab.navigate(to: redirectedURL)
            }

patrickshox

override func messageReceived(withName messageName: String, from page: SFSafariPage, userInfo: [String : Any]?) {
    if messageName == "requiredMessage" {
        page.dispatchMessageToScript(withName: "logger")
    }
}

patrickshox

safari.self.addEventListener("message", function(event) {
    if (event.name == "logger") {
        console.log("messageRecieved is working just fine.")
    }
});

patrickshox

// Add these functions to your SafariExtensionHandler subclass:
// Given a Google, Yahoo, or Bing URL, this function will return the url encoding
func getQueryStringParameter(url: String) -> String? {
    var param = "q"
    if url.contains("search.yahoo.com") {
        param = "p"
    }
    guard let url = URLComponents(string: url) else { return nil }
    let rawString = url.queryItems?.first(where: { $0.name == param })?.value
    let percentEncoding = rawString?.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)?.replacingOccurrences(of: "&", with: "%26")