From 77de23fa939338546a3e049459ffd29edd9058c2 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 11 Nov 2012 10:32:05 +0100
Subject: Added cross-task 'refresh' request for system state updates

---
 program/js/app.js | 75 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 53 insertions(+), 22 deletions(-)

(limited to 'program/js/app.js')

diff --git a/program/js/app.js b/program/js/app.js
index f372c0f9e..25fddf10c 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -482,7 +482,8 @@ function rcube_webmail()
         this.onloads[i]();
       }
 
-    // start keep-alive interval
+    // start keep-alive and refresh intervals
+    this.start_refresh();
     this.start_keepalive();
   };
 
@@ -880,10 +881,6 @@ function rcube_webmail()
           this.show_message(this.env.first_uid);
         break;
 
-      case 'checkmail':
-        this.check_for_recent(true);
-        break;
-
       case 'compose':
         url = {};
 
@@ -2061,6 +2058,15 @@ function rcube_webmail()
     }
   };
 
+  // sends request to check for recent messages
+  this.checkmail = function()
+  {
+    var lock = this.set_busy(true, 'checkingmail'),
+      params = this.check_recent_params();
+
+    this.http_request('check-recent', params, lock);
+  };
+
   // list messages of a specific mailbox using filter
   this.filter_mailbox = function(filter)
   {
@@ -6125,7 +6131,7 @@ function rcube_webmail()
     // trigger plugin hook
     var result = this.triggerEvent('request'+action, postdata);
     if (result !== undefined) {
-      // abort if one the handlers returned false
+      // abort if one of the handlers returned false
       if (result === false)
         return false;
       else
@@ -6237,6 +6243,7 @@ function rcube_webmail()
         }
         break;
 
+      case 'refresh':
       case 'check-recent':
       case 'getunread':
       case 'search':
@@ -6469,13 +6476,25 @@ function rcube_webmail()
   // starts interval for keep-alive signal
   this.start_keepalive = function()
   {
-    if (!this.env.session_lifetime || this.env.framed || this.task == 'login' || this.env.action == 'print')
+    if (!this.env.session_lifetime || this.env.framed || this.env.extwin || this.task == 'login' || this.env.action == 'print')
       return;
 
-    if (this._int)
-      clearInterval(this._int);
+    if (this._keepalive)
+      clearInterval(this._keepalive);
 
-    this._int = setInterval(function(){ ref.keep_alive(); }, this.env.session_lifetime * 0.5 * 1000);
+    this._keepalive = setInterval(function(){ ref.keep_alive(); }, this.env.session_lifetime * 0.5 * 1000);
+  };
+
+  // starts interval for refresh signal
+  this.start_refresh = function()
+  {
+    if (!this.env.keep_alive || this.env.framed || this.env.extwin || this.task == 'login' || this.env.action == 'print')
+      return;
+
+    if (this._refresh)
+      clearInterval(this._refresh);
+
+    this._refresh = setInterval(function(){ ref.refresh(); }, this.env.keep_alive * 1000);
   };
 
   // sends keep-alive signal
@@ -6485,27 +6504,39 @@ function rcube_webmail()
       this.http_request('keep-alive');
   };
 
-  // sends request to check for recent messages
-  this.check_for_recent = function(refresh)
+  // sends refresh signal
+  this.refresh = function()
   {
-    if (this.busy)
+    if (this.busy) {
+      // try again after 10 seconds
+      setTimeout(function(){ ref.refresh(); ref.start_refresh(); }, 10000);
       return;
+    }
 
-    var lock, url = {_mbox: this.env.mailbox};
+    var params = {}, lock = this.set_busy(true, 'refreshing');
 
-    if (refresh) {
-      lock = this.set_busy(true, 'checkingmail');
-      url._refresh = 1;
-    }
+    if (this.task == 'mail' && this.gui_objects.mailboxlist)
+      params = this.check_recent_params();
+
+    // plugins should bind to 'requestrefresh' event to add own params
+    this.http_request('refresh', params, lock);
+  };
 
+  // returns check-recent request parameters
+  this.check_recent_params = function()
+  {
+    var params = {_mbox: this.env.mailbox};
+
+    if (this.gui_objects.mailboxlist)
+      params._folderlist = 1;
     if (this.gui_objects.messagelist)
-      url._list = 1;
+      params._list = 1;
     if (this.gui_objects.quotadisplay)
-      url._quota = 1;
+      params._quota = 1;
     if (this.env.search_request)
-      url._search = this.env.search_request;
+      params._search = this.env.search_request;
 
-    this.http_request('check-recent', url, lock);
+    return params;
   };
 
 
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