open link on content index

src/content/follow.js

@@ -8,6 +8,7 @@ export default class Follow {
     this.doc = doc;
     this.hintElements = {};
     this.keys = [];
+    this.onActivatedCallbacks = [];
 
     // TODO activate input elements and push button elements
     let links = Follow.getTargetElements(doc);
@@ -36,7 +37,7 @@ export default class Follow {
     } else if (keyCode === KeyboardEvent.DOM_VK_ENTER ||
                keyCode === KeyboardEvent.DOM_VK_RETURN) {
       let chars = Follow.codeChars(this.keys);
-      this.hintElements[chars].activate();
+      this.activate(this.hintElements[chars].target);
       return;
     } else if (Follow.availableKey(keyCode)) {
       this.keys.push(keyCode);
@@ -64,7 +65,7 @@ export default class Follow {
       return;
     } else if (shown.length === 1) {
       this.remove();
-      this.hintElements[chars].activate();
+      this.activate(this.hintElements[chars].target);
     }
 
     shown.forEach((key) => {
@@ -75,7 +76,6 @@ export default class Follow {
     });
   }
 
-
   remove() {
     this.doc.removeEventListener('keydown', this.boundKeydown);
     Object.keys(this.hintElements).forEach((key) => {
@@ -83,6 +83,14 @@ export default class Follow {
     });
   }
 
+  activate(element) {
+    this.onActivatedCallbacks.forEach(f => f(element));
+  }
+
+  onActivated(f) {
+    this.onActivatedCallbacks.push(f);
+  }
+
   static availableKey(keyCode) {
     return (
       KeyboardEvent.DOM_VK_0 <= keyCode && keyCode <= KeyboardEvent.DOM_VK_9 ||

src/content/hint.js

@@ -33,10 +33,4 @@ export default class Hint {
   remove() {
     this.element.remove();
   }
-
-  activate() {
-    if (this.target.tagName.toLowerCase() === 'a') {
-      this.target.click();
-    }
-  }
 }

src/content/index.js

@@ -8,6 +8,13 @@ import messages from '../messages';
 
 consoleFrames.initialize(window.document);
 
+const startFollows = (newTab) => {
+  let follow = new Follow(window.document, newTab);
+  follow.onActivated((element) => {
+    element.click();
+  });
+};
+
 window.addEventListener('keypress', (e) => {
   if (e.target instanceof HTMLInputElement) {
     return;
@@ -34,7 +41,7 @@ const execOperation = (operation) => {
   case operations.SCROLL_RIGHT:
     return scrolls.scrollRight(window);
   case operations.FOLLOW_START:
-    return new Follow(window.document, operation.newTab);
+    return startFollows(operation.newTab);
   case operations.NAVIGATE_HISTORY_PREV:
     return navigates.historyPrev(window);
   case operations.NAVIGATE_HISTORY_NEXT: