Initial commit

Able to actually block scripts using a plugin, have XPC set up between plugin and
host process. Limited UI support

SBrowser/Browser View/BrowserViewController.swift

@@ -0,0 +1,63 @@
+//
+//  BrowserViewController.swift
+//  SBrowser
+//
+//  Created by James Magahern on 7/21/20.
+//
+
+import UIKit
+
+class BrowserViewController: UIViewController, SBRProcessBundleBridgeDelegate
+{
+    let bridge = SBRProcessBundleBridge()
+    let browserView = BrowserView()
+    
+    private let policyManager = ResourcePolicyManager()
+    private var blockedScriptOrigins = Set<String>()
+    private var scriptBlockerButtonItem: UIBarButtonItem
+    
+    init()
+    {
+        scriptBlockerButtonItem = UIBarButtonItem(title: "0", image: nil, primaryAction: UIAction(handler: { action in
+            // present
+        }), menu: nil)
+        
+        super.init(nibName: nil, bundle: nil)
+    }
+    
+    required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
+    
+    override func loadView()
+    {
+        bridge.delegate = self
+        bridge.policyDataSource = policyManager
+        
+        browserView.webView = bridge.webView
+        browserView.webView?.allowsBackForwardNavigationGestures = true
+        
+        self.view = browserView
+    }
+    
+    override func viewDidLoad()
+    {
+        let request = URLRequest(url: URL(string: "https://yahoo.com")!)
+        browserView.webView?.load(request)
+        
+        navigationItem.rightBarButtonItem = scriptBlockerButtonItem
+    }
+    
+    private func updateScriptBlockerButton()
+    {
+        scriptBlockerButtonItem.title = "\(blockedScriptOrigins.count)"
+    }
+    
+    // MARK: SBRProcessBundleBridgeDelegate
+    
+    func webProcess(_ bridge: SBRProcessBundleBridge, didBlockScriptResourceFromOrigin origin: String)
+    {
+        print("Blocked script resource from origin: \(origin)")
+        
+        blockedScriptOrigins.formUnion([ origin ])
+        updateScriptBlockerButton()
+    }
+}