testing some updates for better offline handling issue #298

modules/core/output_modules.php

@@ -1377,7 +1377,7 @@ class Hm_Output_content_section_start extends Hm_Output_Module {
      * Opens a main tag for the primary content section
      */
     protected function output() {
-        return '<main class="content_cell">';
+        return '<main class="content_cell"><div class="offline">'.$this->trans('Offline').'</div>';
     }
 }
 

modules/core/setup.php

@@ -131,6 +131,11 @@
 add_output('ajax_hm_folders', 'settings_menu_end', true);
 add_output('ajax_hm_folders', 'folder_list_content_end', true);
 
+/* no-op to test connectivity */
+add_handler('ajax_test', 'login', false, 'core');
+add_handler('ajax_test', 'load_user_data', true, 'core');
+add_handler('ajax_test', 'date', true, 'core');
+add_handler('ajax_test', 'http_headers', true, 'core');
 
 /* allowed input */
 return array(
@@ -142,10 +147,12 @@
         'message',
         'settings',
         'servers',
+        'ajax_test',
         'ajax_hm_folders',
         'ajax_message_action',
         'ajax_reset_search',
         'ajax_update_server_pw',
+        'ajax_no_op',
         'notfound',
         'search'
     ),

modules/core/site.css

@@ -7,6 +7,7 @@ html, body { max-width: 100%; min-height: 100%; background-color: #fff; }
 body { background: linear-gradient(180deg, #faf6f5, #faf6f5, #faf6f5, #faf6f5, #fff); font-size: 1em; height: 100%; color: #333; font-family: Arial; padding: 0px; margin: 0px; min-width: 700px; font-size: 100%; }
 table { width: 100%; border-spacing: 0px; }
 td { vertical-align: top; }
+.offline { display: none; cursor: pointer; position: absolute; right: 0px; top: 0px; z-index: 101; color: white; background-color: red; padding: 18px; padding-right: 25px; padding-left: 25px; font-weight: bold; }
 .subject div, .msg_date, .from, .source { overflow: hidden; color: #333; text-overflow: ellipsis; white-space: nowrap; }
 .subject { cursor: pointer; font-size: 110%; }
 .subject a { color: #333 !important; }
@@ -251,6 +252,7 @@ div.unseen, .unseen .subject { font-weight: 700; }
     .update_message_list { margin-right: 20px; }
     .msg_text { width: 100%; max-width: 480px !important; word-break: break-all; word-wrap: break-word; font-size: 100%; }
     .msg_controls { background: linear-gradient(180deg, #fff, #fff, #f7f2ef) !important; z-index: 100; position: fixed; right: -20px; height: 29px; font-size: 115%; padding-left: 10px; padding-top: 9px; top: 10px; left: 70px !important; }
+    .offline { height: 23px; padding-left: 36px; padding-right: 36px; }
     .header_subject th { white-space: normal !important; word-break: break-all !important; word-wrap: break-word !important; }
     .msg_headers th { padding-left: 10px !important; }
     .nlink, .plink, .msg_headers td { white-space: normal; word-break: break-all; word-wrap: break-word; }

modules/core/site.js

@@ -137,6 +137,7 @@ var Hm_Ajax_Request = function() { return {
             return;
         }
         else {
+            $('.offline').hide();
             if (hm_encrypt_ajax_requests()) {
                 res = Hm_Utils.json_decode(Hm_Crypt.decrypt(res.payload));
             }
@@ -175,8 +176,8 @@ var Hm_Ajax_Request = function() { return {
     },
 
     fail: function() {
+        $('.offline').show();
         Hm_Ajax.err_condition = true;
-        setTimeout(function() { Hm_Notices.show({0: 'ERRAn error occurred communicating with the server'}); }, 1000);
         this.run_on_failure();
     },
 
@@ -1273,6 +1274,12 @@ var Hm_Utils = {
     },
     html_entities: function(str) {
         return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+    },
+    test_connection: function() {
+        $('.offline').hide();
+        Hm_Ajax.request(
+            [{'name': 'hm_ajax_hook', 'value': 'ajax_test'}],
+            false, [], false, false, false);
     }
 };
 
@@ -1416,5 +1423,6 @@ $(function() {
     }
     $('body').swipeRight(function() { Hm_Folders.open_folder_list(); });
     $('body').swipeLeft(function() { Hm_Folders.hide_folder_list(); });
+    $('.offline').click(function() { Hm_Utils.test_connection(); });
 
 });