Feature Add: utilizing local meta keywords tags to suggest better and more relevant tags

app/manifest.json

@@ -29,7 +29,7 @@
   "content_scripts": [{
       "matches": ["http://*/*", "https://*/*"],
       "run_at": "document_start",
-      "js": ["scripts/description.js"],
+      "js": ["scripts/description.js", "scripts/keywords_suggestions.js"],
       "all_frames": true
     }],
   "icons": {

app/scripts/background.js

@@ -237,7 +237,7 @@ var deletePost = function (url) {
   }
 };
 
-var getSuggest = function (url) {
+var getSuggest = function (url, keywordTags) {
   if (Pinboard.isLoggedin() && url) {
     var doneFn = function (data) {
       var popularTags = [], recommendedTags = [];
@@ -252,6 +252,12 @@ var getSuggest = function (url) {
           suggests.push(tag);
         }
       });
+
+	  if (keywordTags !== undefined && keywordTags.length !== 0) {
+        suggests = suggests.concat(keywordTags);
+		suggests = suggests.sort().filter(function(item, pos, ary) {return !pos || item != ary[pos -  1];});
+      }
+
       var popup = getPopup();
       popup && popup.$rootScope &&
         popup.$rootScope.$broadcast('render-suggests', suggests);

app/scripts/keywords_suggestions.js

@@ -0,0 +1,13 @@
+chrome.runtime.onMessage.addListener(
+  function(message, sender, sendResponse) {
+    if (message.method == "getKeywordsSuggestionTags") {
+	  var metas = document.getElementsByTagName('meta');
+	    for (i=0; i < metas.length; i++) {  
+		  if (metas[i].getAttribute("name") === "keywords") {
+			var tags = metas[i].getAttribute("content").toLowerCase().replace(/,/g, ' ').replace(/;/, '').split(/(\s+)/).filter(function(e) { return e.trim().length > 0; }).sort().filter(function(item, pos, ary) {return !pos || item != ary[pos - 1];});
+			break
+		  }
+		}
+        sendResponse({data: tags});
+    }
+});

app/scripts/popup.js

@@ -74,6 +74,24 @@ app.controller(
          });
      };
 
+     var getKeywordsSuggestionTags = function () {
+       chrome.tabs.query(
+         {active:true, currentWindow: true}, function (activetabs) {
+           var tab = activetabs[0];
+           chrome.tabs.sendMessage(
+             tab.id, {method: 'getKeywordsSuggestionTags'},
+             function (response) {
+               if (typeof response !== 'undefined') {
+                 var tags = response.data;
+                 bg.getSuggest(tab.url, tags);
+               }
+               else {
+                 bg.getSuggest(tab.url);
+               }
+             });
+         });
+     };
+
      var initAutoComplete = function () {
        var tags = bg.getTags();
        if (tags && tags.length) {
@@ -105,7 +123,8 @@ app.controller(
          $scope.isLoading = false;
          $scope.isAnony = false;
          $scope.$apply();
-         bg.getSuggest(tab.url);
+         //bg.getSuggest(tab.url);
+         getKeywordsSuggestionTags();
          initAutoComplete();
          if (location.search != '?focusHack') {
            location.search = '?focusHack';