Keyboard shortcuts

App/Browser View/BrowserViewController.swift

@@ -11,7 +11,7 @@ import UniformTypeIdentifiers
 class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegate,
                              UITextFieldDelegate, ScriptPolicyViewControllerDelegate,
                              UIPopoverPresentationControllerDelegate, TabDelegate, TabPickerViewControllerDelegate,
-                             AutocompleteViewControllerDelegate
+                             AutocompleteViewControllerDelegate, ShortcutResponder
 {
     let browserView = BrowserView()
     var tab: Tab { didSet { didChangeTab(tab) } }
@@ -428,4 +428,39 @@ class BrowserViewController: UIViewController, WKNavigationDelegate, WKUIDelegat
         tab.beginLoadingURL(item.url)
         autocompleteViewController.view.isHidden = true
     }
+    
+    // MARK: Keyboard shortcuts
+    
+    func focusURLBar(_ sender: Any?) {
+        toolbarController.urlBar.textField.becomeFirstResponder()
+    }
+    
+    func goBack(_ sender: Any?) {
+        tab.webView.goBack()
+    }
+    
+    func goForward(_ sender: Any?) {
+        tab.webView.goForward()
+    }
+    
+    func createTab(_ sender: Any?) {
+        let newTab = tabController.createNewTab(url: nil)
+        self.tab = newTab
+    }
+    
+    func previousTab(_ sender: Any?) {
+        if let tabIndex = tabController.tabs.firstIndex(of: self.tab) {
+            if tabIndex - 1 >= 0 {
+                self.tab = tabController.tabs[tabIndex - 1]
+            }
+        }
+    }
+    
+    func nextTab(_ sender: Any?) {
+        if let tabIndex = tabController.tabs.firstIndex(of: self.tab) {
+            if tabIndex + 1 < tabController.tabs.count {
+                self.tab = tabController.tabs[tabIndex + 1]
+            }
+        }
+    }
 }