[Qt] Fix for endless print loop when printing web pages

Patch by Trond Kjernåsen <trond@trolltech.com> on 2010-01-28
Reviewed by Simon Hausmann.

* Api/qwebframe.cpp:
(QWebFrame::print):

git-svn-id: svn://svn.chromium.org/blink/trunk@53997 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/WebKit/qt/Api/qwebframe.cpp

@@ -1393,6 +1393,11 @@ void QWebFrame::print(QPrinter *printer) const
     // paranoia check
     fromPage = qMax(1, fromPage);
     toPage = qMin(printContext.pageCount(), toPage);
+    if (toPage < fromPage) {
+        // if the user entered a page range outside the actual number
+        // of printable pages, just return
+        return;
+    }
 
     if (printer->pageOrder() == QPrinter::LastPageFirst) {
         int tmp = fromPage;

third_party/WebKit/WebKit/qt/ChangeLog

+2010-01-28  Trond Kjernåsen <trond@trolltech.com>
+
+        Reviewed by Simon Hausmann.
+
+        [Qt] Fix for endless print loop when printing web pages
+
+        * Api/qwebframe.cpp:
+        (QWebFrame::print):
+
 2010-01-27  Diego Gonzalez  <diego.gonzalez@openbossa.org>
 
         Reviewed by Kenneth Rohde Christiansen.