Updated controls on when to execute script

.gitignore

@@ -1,4 +1,4 @@
-
+.idea
 bower_components/
 dist/
 node_modules/

js/background.js

@@ -3,6 +3,7 @@
  *
  * This only does anything when the bookmarking button is clicked
  */
+var executedScript = false;
 chromeOrBrowser().browserAction.onClicked.addListener(function(currentTab) {
     // If no institution has been set, go to the options page to set one
     getActiveTenant(function (tenantCode) {
@@ -14,8 +15,16 @@ chromeOrBrowser().browserAction.onClicked.addListener(function(currentTab) {
                   });
             }
         }
-
-        console.log(new Date().getTime() + ': background.js: already have bookmarker.js SENDING');
-        chromeOrBrowser().tabs.sendMessage(currentTab.id, {tenantCode: tenantCode});
+        if (!executedScript) {
+            chromeOrBrowser().tabs.executeScript(null, {
+                file: "/js/bookmarker.js",
+                runAt: 'document_end'
+            }, function () {
+                executedScript = true;
+                chromeOrBrowser().tabs.sendMessage(currentTab.id, {tenantCode: tenantCode});
+            });
+        } else {
+            chromeOrBrowser().tabs.sendMessage(currentTab.id, {tenantCode: tenantCode});
+        }
     });
 });

js/bookmarker.js

@@ -5,25 +5,29 @@
 function chromeOrBrowser() {
   return this.browser || chrome;
 }
-console.log(new Date().getTime() + ': bookmarker.js');
 /**
  * Injected into page to redirect to the dynamic page parser
  *
  * @param {String} tenantCode
  */
 function bookmarkPage(tenantCode) {
+  if (document.getElementById('bookmarkingScript')) {
+    document.getElementById('bookmarkingScript').remove();
+  }
+
   var bookmarker = document.createElement('script');
   bookmarker.setAttribute(
     'src',
     'https://bookmarking.talis.com/' + tenantCode + '/parser?bookmarkButtonVersion=1&uri=' +
       encodeURIComponent(encodeURI(window.location.href)) + '&bookmarkVersion=1&title=' +
       encodeURIComponent(document.title) + '&hasJquery=no'
     );
+  bookmarker.setAttribute('id', 'bookmarkingScript');
+
   if (document.body) {
     document.body.appendChild(bookmarker);
   }
 }
 chromeOrBrowser().runtime.onMessage.addListener(function(message) {
-  console.log(new Date().getTime() + ': bookmarker.js: onMessage callback');
   bookmarkPage(message.tenantCode);
 });