Notifications clear option

src/chrome/komodo/content/notifications/notificationsWidget.js

@@ -169,6 +169,15 @@ this.updateFilters = (function NWC_updateFilters() {
   }
 }).bind(this);
 
+/**
+ * Clear all notifications
+ */
+this.clearMessages = (function NWC_clearMessages() {
+  while (this.container.firstChild)
+    this.container.removeChild(this.container.firstChild);
+  this._map = {};
+}).bind(this);
+
 /**
  * Determine whether a given item should be shown
  * @param aElem {richlistitem} The item to check

src/chrome/komodo/content/notifications/notificationsWidget.xul

@@ -37,6 +37,9 @@
             <toolbarbutton type="checkbox" id="filter-progress"
                            tooltiptext="&filterProgressTooltip;"
                            oncommand="NotificationsWidgetController.updateFilters()"/>
+            <toolbarbutton id="notifications-clear"
+                           tooltiptext="&notificationsClearTooltip;"
+                           oncommand="NotificationsWidgetController.clearMessages()"/>
           </toolbargroup>
         </toolbar>
     </box>

src/chrome/komodo/locale/en-US/notifications.dtd

@@ -2,4 +2,5 @@
 <!ENTITY filterWarningTooltip  "Toggle whether warnings are shown">
 <!ENTITY filterInfoTooltip     "Toggle whether informational messages are shown">
 <!ENTITY filterProgressTooltip "Toggle whether to limit to in-progress tasks">
+<!ENTITY notificationsClearTooltip "Clear all messages">
 <!ENTITY filterSearchEmpty     "Filter messages">

src/chrome/komodo/skin/global/icons.less

@@ -324,6 +324,7 @@ richlistitem.file-item[view-type="browser"]
     #filter-warning { .icon(); .icon-exclamation-circle(); }
     #filter-info { .icon(); .icon-info-circle(); }
     #filter-progress { .icon(); .icon-clock-o(); }
+    #notifications-clear { .icon(); .icon-close(); }
 }
 
 .scrollbutton-up

src/chrome/komodo/skin/notifications.css

@@ -21,6 +21,9 @@
 #filter-progress {
   list-style-image: url("chrome://fugue/skin/icons/clock-history.png");
 }
+#notifications-clear {
+  list-style-image: url("chrome://global/skin/icons/close.png");
+}
 
 #filter-search {
   -moz-box-flex: 1;

src/chrome/komodo/skin/plat/shared/icons_rules.less

@@ -1616,6 +1616,11 @@ ko-pane[type="icons"]
     {
         list-style-image: @icon-filter-progress !important;
     }
+
+    #notifications-clear
+    {
+        list-style-image: @icon-close !important;
+    }
 }
 
 /* Syntax checking widget */