Add note links

ext/fg/js/client.js

@@ -80,6 +80,7 @@ class Client {
 
     onFrameMessage(e) {
         const {action, data} = e.data, handlers = {
+            addNote:      this.addNote,
             displayKanji: this.displayKanji
         };
 
@@ -117,6 +118,10 @@ class Client {
         });
     }
 
+    addNote({mode, index}) {
+        console.log(mode, index);
+    }
+
     displayKanji(kanji) {
         findKanji(kanji, (results) => {
             renderText(

ext/fg/js/frame.js

@@ -26,4 +26,19 @@ function registerKanjiLinks() {
     }
 }
 
-document.addEventListener('DOMContentLoaded', registerKanjiLinks, false);
+function registerActionLinks() {
+    for (const link of [].slice.call(document.getElementsByClassName('action-link'))) {
+        link.addEventListener('click', (e) => {
+            e.preventDefault();
+            const ds = e.currentTarget.dataset;
+            window.parent.postMessage({action: 'addNote', data: {index: ds.index, mode: ds.mode}}, '*');
+        });
+    }
+}
+
+function domContentLoaded() {
+    registerKanjiLinks();
+    registerActionLinks();
+}
+
+document.addEventListener('DOMContentLoaded', domContentLoaded, false);