fix: ticket #53 : automatic folder refresh

extensions/webmail/lib.py

@@ -352,6 +352,8 @@ class ImapListing(EmailListing):
         if kwargs.has_key("reset"):
             self.mbc.criterions = []
         EmailListing.__init__(self, **kwargs)  
+        self.extravars["refreshrate"] = \
+            int(parameters.get_user(user, "webmail", "REFRESH_INTERVAL")) * 1000
 
     def __parse_folders(self, folders):
         result = []

extensions/webmail/main.py

@@ -32,6 +32,8 @@ def init():
                               deflt="no",
                               help=_("Use a secured connection to access SMTP server"))
 
+    parameters.register_user("webmail", "REFRESH_INTERVAL", type="int", deflt=300,
+                             help=_("Automatic folder refresh rate (in seconds)"))
     parameters.register_user("webmail", "TRASH_FOLDER", type="string", deflt="Trash",
                              help=_("Folder where deleted messages go"))
     parameters.register_user("webmail", "SENT_FOLDER", type="string", deflt="Sent",

extensions/webmail/templates/index.html

@@ -105,18 +105,34 @@
     location.hash += event.target.get("href");
   }
   register_callback("forward", compose_callback);
+ 
+  var rtimer = null;  
+  refreshFolder = function() {
+    var query = current_anchor.serialized.substring(1);
+    $clear(rtimer);
+    infobox.show('{% trans "Refreshing..." %}', "gray");
+    new Request.JSON({url: query, noCache : true, onSuccess: function(resp) {
+        callback = ($defined(resp.callback)) ? resp.callback : "default";
+        callbacks[callback](resp);
+        infobox.notice('{% trans "Done" %}');
+        infobox.hide(1);
+    }}).get();
+  }
 
   loadFolder = function(event, obj) {
     event.stop();
     if (!$defined(obj)) {
       obj = $(event.target);
     }
+    console.log($defined(rtimer));
+    $clear(rtimer);
     current_anchor.parse_string(gethref(obj), true).setparams(navparams);
     current_anchor.update();
   }
 
   register_callback("folder", function(resp) {
     wm_updatelisting(resp);
+    rtimer = refreshFolder.periodical({{ refreshrate }});
     select($$("a[href=" + current_anchor.getbaseurl() + "]"));
     $$("li[class*=clickable]").removeEvents();
     $$("li[class*=clickable]").addEvent("click", function(evt) {

lib/email_listing.py

@@ -90,6 +90,7 @@ class EmailListing:
         self.folder = folder
         self.elems_per_page = elems_per_page
         self.navparams = navparams
+        self.extravars = {}
         order = "order" in kwargs.keys() and kwargs["order"] or None
         self.empty = "empty" in kwargs.keys() and kwargs["empty"] or False
         if not self.empty:
@@ -125,16 +126,19 @@ class EmailListing:
             else:
                 listing = self.fetch(request, page.id_start, page.id_stop)
         elapsed = kwargs.has_key("start") and time.time() - kwargs["start"] or 0
-        return _render(request, self.tpl, {
-                "listing" : listing, 
-                "elapsed" : elapsed,
-                "navbar" : self.render_navbar(page),
-                "selection" : self.folder,
-                "navparams" : self.navparams,
-                "deflocation" : self.deflocation, 
-                "defcallback" : self.defcallback,
-                "reset_wm_url" : self.reset_wm_url
-                })
+        context = {
+            "listing" : listing, 
+            "elapsed" : elapsed,
+            "navbar" : self.render_navbar(page),
+            "selection" : self.folder,
+            "navparams" : self.navparams,
+            "deflocation" : self.deflocation, 
+            "defcallback" : self.defcallback,
+            "reset_wm_url" : self.reset_wm_url
+            }
+        for k, v in self.extravars.iteritems():
+            context[k] = v
+        return _render(request, self.tpl, context)
 
 class Email(object):
     def __init__(self, msg, mode="plain", links="0"):