From b4dca54e304889ebaa8eb3274f33ddec7926658f Mon Sep 17 00:00:00 2001
From: "reed%reedloden.com" <reed%reedloden.com>
Date: Sat, 8 Mar 2008 09:49:02 +0000
Subject: [PATCH] Bug 421410 - "selected text in input box is
 cleared/unselected after print preview" [p=martijn.martijn@gmail.com (Martijn
 Wargers) r=Enn a1.9=beltzner]

---
 .../components/printing/content/printUtils.js  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/toolkit/components/printing/content/printUtils.js b/toolkit/components/printing/content/printUtils.js
index 5f31eb92412..a352106fffc 100644
--- a/toolkit/components/printing/content/printUtils.js
+++ b/toolkit/components/printing/content/printUtils.js
@@ -41,6 +41,7 @@
 
 var gPrintSettingsAreGlobal = false;
 var gSavePrintSettings = false;
+var gFocusedElement = null;
 
 var PrintUtils = {
 
@@ -215,6 +216,8 @@ var PrintUtils = {
 
   enterPrintPreview: function (aWindow)
   {
+    gFocusedElement = document.commandDispatcher.focusedElement;
+
     var webBrowserPrint = this.getWebBrowserPrint(aWindow);
     var printSettings   = this.getPrintSettings();
     try {
@@ -285,6 +288,21 @@ var PrintUtils = {
     var contentWindow = aWindow || window.content;
     contentWindow.focus();
 
+    var cmdDispatcher = document.commandDispatcher;
+    cmdDispatcher.suppressFocusScroll = true;
+    if (gFocusedElement instanceof HTMLElement ||
+        gFocusedElement instanceof XULElement ||
+        gFocusedElement instanceof Window) {
+      gFocusedElement.focus();
+    }
+    else if (gFocusedElement instanceof Node) {
+      var content = window.content;
+      if (content instanceof Components.interfaces.nsIInterfaceRequestor)
+        content.getInterface(Components.interfaces.nsIDOMWindowUtils).focus(gFocusedElement);
+      }
+    gFocusedElement = null;
+    cmdDispatcher.suppressFocusScroll = false;
+
     // on Exit PP Call back
     if (this._onExitPP) {
       this._onExitPP();