Add reload and stop sidebar tab header context menu items.

b=41445; r=morse; sr=alecf

xpfe/components/sidebar/resources/locale/en-US/sidebarOverlay.dtd

@@ -21,20 +21,22 @@
    -                 Samir Gehani <sgehani@netscape.com>
   --> 
 
-<!ENTITY sidebar.panels.label        "Sidebar">
-<!ENTITY sidebar.reload.label        "Reload">
-<!ENTITY sidebar.picker.label        "Tabs">
-<!ENTITY sidebar.customize.label     "Customize Sidebar...">
-<!ENTITY sidebar.customize.accesskey "u">
-<!ENTITY sidebar.hide.label          "Hide Panel">
-<!ENTITY sidebar.hide.accesskey      "H">
-<!ENTITY sidebar.switch.label        "Switch to Panel">
-<!ENTITY sidebar.switch.accesskey    "S">
-<!ENTITY sidebarCmd.label            "Sidebar">
-<!ENTITY sidebarCmd.accesskey        "b">
-<!ENTITY sidebar.loading.label       "Loading...">
-<!ENTITY sidebar.loadstopped.label   "Load stopped">
-<!ENTITY sidebar.loading.stop.label  "Stop">
+<!ENTITY sidebar.panels.label           "Sidebar">
+<!ENTITY sidebar.reload.label           "Reload">
+<!ENTITY sidebar.reload.accesskey       "R">
+<!ENTITY sidebar.picker.label           "Tabs">
+<!ENTITY sidebar.customize.label        "Customize Sidebar...">
+<!ENTITY sidebar.customize.accesskey    "u">
+<!ENTITY sidebar.hide.label             "Hide Tab">
+<!ENTITY sidebar.hide.accesskey         "H">
+<!ENTITY sidebar.switch.label           "Switch to Tab">
+<!ENTITY sidebar.switch.accesskey       "T">
+<!ENTITY sidebarCmd.label               "Sidebar">
+<!ENTITY sidebarCmd.accesskey           "b">
+<!ENTITY sidebar.loading.label          "Loading...">
+<!ENTITY sidebar.loadstopped.label      "Load stopped">
+<!ENTITY sidebar.loading.stop.label     "Stop">
+<!ENTITY sidebar.loading.stop.accesskey "S">
 
 <!ENTITY sidebar.no-panels.state     "The sidebar is currently empty.">
 <!ENTITY sidebar.no-panels.add       'You may add tabs by clicking on the "Tabs" button above.'>

xpfe/components/sidebar/resources/sidebarOverlay.js

@@ -316,7 +316,9 @@ function (force_reload)
         } else {
           var saved_src = iframe.getAttribute('content');
           var src = iframe.getAttribute('src');
-          if (saved_src != src) {
+          // either we have been requested to force_reload or the
+          // panel src has changed so we must restore the original src
+          if (force_reload || (saved_src != src)) {
             debug("    set src="+saved_src);
             iframe.setAttribute('src', saved_src);
 
@@ -325,7 +327,6 @@ function (force_reload)
 
             gCurFrame = iframe;
             gTimeoutID = setTimeout (setBlank, 20000);
-
           }
         }
 
@@ -904,6 +905,11 @@ function SidebarStopPanelLoad(header) {
   panel.stop_load();
 }
 
+function SidebarReloadPanel(header) {
+  var panel = sidebarObj.panels.get_panel_from_header_node(header);
+  panel.reload();
+}
+
 // No one is calling this right now.
 function SidebarReload() {
   sidebarObj.panels.refresh();
@@ -1184,6 +1190,33 @@ function SidebarFinishClick() {
   }
 }
 
+function SidebarInitContextMenu(aMenu, aPopupNode)
+{
+  var panel = sidebarObj.panels.get_panel_from_header_node(aPopupNode);
+  var switchItem = document.getElementById("switch-ctx-item");
+  var reloadItem = document.getElementById("reload-ctx-item");
+  var stopItem = document.getElementById("stop-ctx-item");
+
+  // the current panel can be reloaded, but other panels are not showing 
+  // any content, so we only allow you to switch to other panels
+  if (panel.is_selected()) 
+  {
+    switchItem.setAttribute("collapsed", "true"); 
+    reloadItem.removeAttribute("disabled");
+  }
+  else 
+  {
+    switchItem.removeAttribute("collapsed");
+    reloadItem.setAttribute("disabled", "true");
+  }
+
+  // only if a panel is currently loading enable the ``Stop'' item
+  if (panel.get_iframe().getAttribute("loadstate") == "loading")
+    stopItem.removeAttribute("disabled");
+  else
+    stopItem.setAttribute("disabled", "true");
+}
+
 ///////////////////////////////////////////////////////////////
 // Handy Debug Tools
 //////////////////////////////////////////////////////////////

xpfe/components/sidebar/resources/sidebarOverlay.xul

@@ -34,16 +34,24 @@
 
   <command id="toggleSidebar" oncommand="SidebarShowHide();"/>
   <key id="showHideSidebar" keycode="VK_F9" command="toggleSidebar"/>
-  <popup id="sidebarPopup" onpopupshowing="if (sidebarObj.panels.get_panel_from_header_node(document.popupNode).is_selected())
-                                       this.firstChild.setAttribute('collapsed', 'true');
-                                     else
-                                       this.firstChild.removeAttribute('collapsed');">
-    <menuitem label="&sidebar.switch.label;" accesskey="&sidebar.switch.accesskey;"
-              default="true" oncommand="SidebarSelectPanel(document.popupNode, false, false);"/>
-    <menuitem label="&sidebar.hide.label;" accesskey="&sidebar.hide.accesskey;"
+  <popup id="sidebarPopup" 
+    onpopupshowing="SidebarInitContextMenu(this, document.popupNode);">
+    <menuitem id="switch-ctx-item" label="&sidebar.switch.label;" 
+              accesskey="&sidebar.switch.accesskey;" default="true" 
+              oncommand="SidebarSelectPanel(document.popupNode,false,false);"/>
+    <menuitem id="reload-ctx-item" label="&sidebar.reload.label;" 
+              accesskey="&sidebar.reload.accesskey;" disabled="true"
+              oncommand="SidebarReloadPanel(document.popupNode);"/>
+    <menuitem id="stop-ctx-item" label="&sidebar.loading.stop.label;"
+              accesskey="&sidebar.loading.stop.accesskey;" disabled="true"
+              oncommand="SidebarStopPanelLoad(document.popupNode);"/>
+    <menuseparator/>
+    <menuitem id="hide-ctx-item" label="&sidebar.hide.label;" 
+              accesskey="&sidebar.hide.accesskey;"
               oncommand="SidebarTogglePanel(document.popupNode);"/>
     <menuseparator/>
-    <menuitem label="&sidebar.customize.label;" accesskey="&sidebar.customize.accesskey;"
+    <menuitem id="customize-ctx-item" label="&sidebar.customize.label;" 
+              accesskey="&sidebar.customize.accesskey;"
               oncommand="SidebarCustomize();"/>
   </popup>