From a0d0d8ecfe40a1b802f72dff100185875ee63e2f Mon Sep 17 00:00:00 2001
From: Niklas Baumstark
Date: Wed, 25 Jan 2012 01:21:56 +0100
Subject: make refresh <F5> work as expected

---
 lib/completion.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'lib/completion.js')

diff --git a/lib/completion.js b/lib/completion.js
index b5793437..6aec9e83 100644
--- a/lib/completion.js
+++ b/lib/completion.js
@@ -104,6 +104,11 @@ var completion = (function() {
       return self.matcherCache[query];
     }
 
+    /** Clear the cache for the given source, e.g. for refreshing */
+    self.invalidateFilterCache = function(id) {
+      self.filterCache[id] = {};
+    }
+
     /** Filters a collection :source using fuzzy matching against an input string :query. If a query with
      * a less specific query was issued before (e.g. if the user added a letter to the query), the cached
      * results of the last filtering are used as a starting point, instead of :source.
@@ -251,9 +256,6 @@ var completion = (function() {
     this.extractStringFromMatch = function(match) { return stripHtmlTags(match.str); }
   }
   AsyncFuzzyUrlCompleter.prototype = {
-    // to be implemented by subclasses
-    refresh: function() { },
-
     calculateRelevancy: function(query, match) {
       return match.url.length /
         (fuzzyMatcher.calculateRelevancy(query, this.extractStringFromMatch(match)) + 1);
@@ -279,6 +281,10 @@ var completion = (function() {
       port.postMessage(query);
     },
 
+    resetCache: function() {
+      fuzzyMatcher.invalidateFilterCache(this.id);
+    },
+
     filter: function(query, callback) {
       var self = this;
 
@@ -406,6 +412,7 @@ var completion = (function() {
   }
   FuzzyHistoryCompleter.prototype = new AsyncFuzzyUrlCompleter;
   FuzzyHistoryCompleter.prototype.refresh = function() {
+    this.resetCache();
     this.fetchFromPort('getHistory', { maxResults: this.maxResults }, function(msg) {
       return msg.history.map(function(historyItem) {
         return createUrlSuggestion('history', historyItem.url, historyItem.title);
@@ -419,6 +426,7 @@ var completion = (function() {
   }
   FuzzyBookmarkCompleter.prototype = new AsyncFuzzyUrlCompleter;
   FuzzyBookmarkCompleter.prototype.refresh = function() {
+    this.resetCache();
     this.fetchFromPort('getAllBookmarks', {}, function(msg) {
       return msg.bookmarks.filter(function(bookmark) { return bookmark.url !== undefined })
                           .map(function(bookmark) {
@@ -439,6 +447,7 @@ var completion = (function() {
     return [ open, open ];
   }
   FuzzyTabCompleter.prototype.refresh = function() {
+    this.resetCache();
     this.fetchFromPort('getTabsInCurrentWindow', {}, function(msg) {
       return msg.tabs.map(function(tab) {
         suggestion = createUrlSuggestion('tab', tab.url, tab.title);
-- 
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