Update page when new version of application cache

2 files changed, 20 insertions, 1 deletions

diff --git a/theme/javascript/gitbook.js b/theme/javascript/gitbook.js
index 7dcb8d7..cb222da 100755
--- a/theme/javascript/gitbook.js
+++ b/theme/javascript/gitbook.js
@@ -2,6 +2,7 @@ define([
     "jQuery",
     "utils/storage",
     "utils/sharing",
+    "utils/appcache",
 
     "core/events",
     "core/font-settings",
@@ -11,7 +12,7 @@ define([
     "core/progress",
     "core/sidebar",
     "core/search"
-], function($, storage, sharing, events, fontSettings, state, keyboard, navigation, progress, sidebar, search){
+], function($, storage, appCache, sharing, events, fontSettings, state, keyboard, navigation, progress, sidebar, search){
     var start = function(config) {
         var $book;
         $book = state.$book;
@@ -30,6 +31,9 @@ define([
         // Init keyboard
         keyboard.init();
 
+        // Init appcache
+        appCache.init();
+
         // Bind sharing button
         sharing.init();
         
diff --git a/theme/javascript/utils/appcache.js b/theme/javascript/utils/appcache.js
new file mode 100644
index 0000000..e813ab0
--- /dev/null
+++ b/theme/javascript/utils/appcache.js
@@ -0,0 +1,15 @@
+define([], function() {
+    var isAvailable = (typeof applicationCache !== "undefined");
+
+    var init = function() {
+        if (!isAvailable) return;
+
+        window.applicationCache.addEventListener('updateready', function() {
+            window.location.reload();
+        }, false);
+    };
+
+    return {
+        init: init
+    };
+});
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