7 files changed, 27 insertions, 1 deletions
diff --git a/ext/bg/js/templates.js b/ext/bg/js/templates.js
index 63a8d928..339ea31b 100644
--- a/ext/bg/js/templates.js
+++ b/ext/bg/js/templates.js
@@ -47,7 +47,9 @@ templates['header.html'] = template({"compiler":[7,">= 4.0.0"],"main":function(c
     + alias4(((helper = (helper = helpers.root || (depth0 != null ? depth0.root : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"root","hash":{},"data":data}) : helper)))
     + "/ttf/vl-gothic-regular.ttf');\n            }\n        </style>\n        <link rel=\"stylesheet\" href=\""
     + alias4(((helper = (helper = helpers.root || (depth0 != null ? depth0.root : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"root","hash":{},"data":data}) : helper)))
-    + "/css/frame.css\">\n    </head>\n    <body>\n";
+    + "/css/frame.css\">\n    </head>\n    <body>\n\n    <div class=\"spinner\">\n        <img src=\""
+    + alias4(((helper = (helper = helpers.root || (depth0 != null ? depth0.root : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"root","hash":{},"data":data}) : helper)))
+    + "/img/spinner.gif\">\n    </div>\n";
 },"useData":true});
 templates['kanji.html'] = template({"1":function(container,depth0,helpers,partials,data) {
     var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
diff --git a/ext/fg/css/frame.css b/ext/fg/css/frame.css
index dc04184d..01b8776c 100644
--- a/ext/fg/css/frame.css
+++ b/ext/fg/css/frame.css
@@ -90,6 +90,13 @@ body {
     visibility: hidden;
 }
 
+.spinner {
+    bottom:     5px;
+    position:   fixed;
+    right:      5px;
+    visibility: hidden;
+}
+
 /* term styles */
 
 .term-expression {
diff --git a/ext/fg/img/spinner.gif b/ext/fg/img/spinner.gif
new file mode 100644
index 00000000..8ed30cb6
--- /dev/null
+++ b/ext/fg/img/spinner.gif
diff --git a/ext/fg/js/driver.js b/ext/fg/js/driver.js
index 9aab7950..0c785d31 100644
--- a/ext/fg/js/driver.js
+++ b/ext/fg/js/driver.js
@@ -279,6 +279,8 @@ class Driver {
             } else {
                 alert('Note could not be added');
             }
+
+            this.popup.invokeApi('addNoteComplete');
         }).catch(error => {
             alert('Error: ' + error);
         });
diff --git a/ext/fg/js/frame.js b/ext/fg/js/frame.js
index f25ae8da..5878bb43 100644
--- a/ext/fg/js/frame.js
+++ b/ext/fg/js/frame.js
@@ -21,6 +21,11 @@ function invokeApi(action, params, target) {
     target.postMessage({action, params}, '*');
 }
 
+function showSpinner(show) {
+    const spinner = document.querySelector('.spinner');
+    spinner.style.visibility = show ? 'visible' : 'hidden';
+}
+
 function registerKanjiLinks() {
     for (const link of Array.from(document.getElementsByClassName('kanji-link'))) {
         link.addEventListener('click', e => {
@@ -36,6 +41,7 @@ function registerAddNoteLinks() {
             e.preventDefault();
             const ds = e.currentTarget.dataset;
             invokeApi('addNote', {index: ds.index, mode: ds.mode}, window.parent);
+            showSpinner(true);
         });
     }
 }
@@ -50,6 +56,10 @@ function registerAudioLinks() {
     }
 }
 
+function api_addNoteComplete() {
+    showSpinner(false);
+}
+
 function api_setActionState({index, state, sequence}) {
     for (const mode in state) {
         const matches = document.querySelectorAll(`.action-bar[data-sequence="${sequence}"] .action-add-note[data-index="${index}"][data-mode="${mode}"]`);
diff --git a/ext/manifest.json b/ext/manifest.json
index c7c1ffa9..905ce2a9 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -38,6 +38,7 @@
         "fg/img/add_term_kana.png",
         "fg/img/add_term_kanji.png",
         "fg/img/play_audio.png",
+        "fg/img/spinner.gif",
         "fg/js/frame.js",
         "fg/ttf/kanji-stroke-orders.ttf",
         "fg/ttf/vl-gothic-regular.ttf"
diff --git a/tmpl/header.html b/tmpl/header.html
index b7fad070..476c3403 100644
--- a/tmpl/header.html
+++ b/tmpl/header.html
@@ -16,3 +16,7 @@
         <link rel="stylesheet" href="{{root}}/css/frame.css">
     </head>
     <body>
+
+    <div class="spinner">
+        <img src="{{root}}/img/spinner.gif">
+    </div>