fix 392330, view picker not updated when we switch tabs, and issues with account manager in tabs, r/sr=standard8

mail/base/content/mailWindowOverlay.js

@@ -1348,7 +1348,7 @@ let mailTabType = {
     aTab.messenger = messenger;
     aTab.dbView = gDBView;
     aTab.searchSession = gSearchSession;
-
+    aTab.msgSelectedFolder = gMsgFolderSelected;
     if (!gDBView)
       return;
 
@@ -1358,18 +1358,16 @@ let mailTabType = {
       {
         var curMsgHdr = gDBView.hdrForFirstSelectedMessage;
         aTab.selectedMsgId = curMsgHdr.messageId;
-        aTab.msgSelectedFolder = curMsgHdr.folder;
-      }
-      catch (ex)
-      {
-        aTab.msgSelectedFolder = gMsgFolderSelected
       }
+      catch (ex) {}
     }
     else
     {
       aTab.selectedMsgId = null;
-      aTab.msgSelectedFolder = null;
+      aTab.msgSelectedFolder = gDBView.msgFolder;
     }
+    if (aTab.msgSelectedFolder)
+      aTab.mailView = GetMailViewForFolder(aTab.msgSelectedFolder);
   },
 
   _folderAndThreadPaneVisible: true,
@@ -1387,10 +1385,10 @@ let mailTabType = {
     gDBView = aTab.dbView;
     gSearchSession = aTab.searchSession;
 
+    // restore selection in folder pane;
+    let folderToSelect = gDBView ? gDBView.msgFolder : aTab.msgSelectedFolder;
     // restore view state if we had one
-    if (gDBView)
+    var row = gFolderTreeView.getIndexOfFolder(folderToSelect);
-    {
-      var row = gFolderTreeView.getIndexOfFolder(gDBView.msgFolder);
 
     var treeBoxObj = document.getElementById("folderTree").treeBoxObject;
     var folderTreeSelection = treeBoxObj.view.selection;
@@ -1398,15 +1396,21 @@ let mailTabType = {
     // the call to ensureRowIsVisible().
     if ((row >= 0) && !folderTreeSelection.isSelected(row))
     {
-        gMsgFolderSelected = gDBView.msgFolder;
+      gMsgFolderSelected = folderToSelect;
       folderTreeSelection.selectEventsSuppressed = true;
       folderTreeSelection.select(row);
       treeBoxObj.ensureRowIsVisible(row);
       folderTreeSelection.selectEventsSuppressed = false;
     }
+    if (gDBView)
+    {
       // This sets the thread pane tree's view to the gDBView view.
       UpdateSortIndicators(gDBView.sortType, gDBView.sortOrder);
       RerootThreadPane();
+      // Only refresh the view picker if the views toolbar is visible.
+      if (document.getElementById("mailviews-container")) 
+        UpdateViewPickerByValue(aTab.mailView);
+
       // We need to restore the selection to what it was when we switched away
       // from this tab. We need to remember the selected keys, instead of the
       // selected indices, since the view might have changed. But maybe the
@@ -1434,14 +1438,13 @@ let mailTabType = {
         // existing API call that accomplishes it.
       }
       catch (ex) {dump(ex);}
+      ShowThreadPane();
     }
-    // make sure the folder tree knows that we don't have a view
+    else if (gMsgFolderSelected.isServer)
-    else
     {
-      var tree = GetThreadTree();
+      UpdateStatusQuota(null);
-      tree.boxObject.QueryInterface(Components.interfaces.nsITreeBoxObject)
+      // Load AccountCentral page here.
-          .view = null;
+      ShowAccountCentral();
-      ClearMessagePane();
     }
   }
 };

mailnews/extensions/mailviews/resources/content/msgViewPickerOverlay.js

@@ -124,9 +124,20 @@ function ViewChangeByMenuitem(aMenuitem)
 
 
 function ViewChangeByValue(aValue)
+{
+  ViewChange(aValue, GetLabelForValue(aValue));
+}
+
+function ViewChangeByFolder(aFolder)
+{
+  var result = GetMailViewForFolder(aFolder);
+  ViewChangeByValue(result);
+}
+
+function GetLabelForValue(aValue)
 {
   var label = "";
-  var viewPickerPopup = document.getElementById("viewPickerPopup");
+  let viewPickerPopup = document.getElementById("viewPickerPopup");
   if (viewPickerPopup)
   {
     // grab the label for the menulist from one of its menuitems
@@ -139,17 +150,14 @@ function ViewChangeByValue(aValue)
     }
     label = selectedItems && selectedItems.length && selectedItems.item(0).label;
   }
-  ViewChange(aValue, label);
+  return label;
 }
 
-
+function UpdateViewPickerByValue(aValue)
-function ViewChangeByFolder(aFolder)
 {
-  var result = GetMailViewForFolder(aFolder);
+  UpdateViewPicker(aValue, GetLabelForValue(aValue));
-  ViewChangeByValue(result);
 }
 
-
 function UpdateViewPicker(aValue, aLabel)
 {
   var viewPicker = document.getElementById("viewPicker");
@@ -160,7 +168,6 @@ function UpdateViewPicker(aValue, aLabel)
   }
 }
 
-
 function GetFolderInfo(aFolder)
 {
   if (aFolder)