Print preview: Disable the right context menu items in print preview.

chrome/browser/printing/print_preview_message_handler.cc

Index: chrome/browser/printing/print_preview_message_handler.cc
===================================================================
--- chrome/browser/printing/print_preview_message_handler.cc	(revision 113720)
+++ chrome/browser/printing/print_preview_message_handler.cc	(working copy)
@@ -21,6 +21,7 @@
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/common/content_restriction.h"
 #include "printing/page_size_margins.h"
 #include "printing/print_job_constants.h"
 
@@ -243,6 +244,15 @@
   return handled;
 }
 
+void PrintPreviewMessageHandler::DidStartLoading() {
+  // This helps prevents the print preview tab from being able to print.

[Lei Zhang, 2011/12/09 07:07:49]

Should not have removed this earlier.

+  // It also disables the print menu entry.
+  if (tab_contents()->delegate() &&
+      PrintPreviewTabController::IsPrintPreviewTab(tab_contents_wrapper())) {
+    tab_contents()->SetContentRestrictions(content::CONTENT_RESTRICTION_PRINT);
+  }
+}
+
 void PrintPreviewMessageHandler::NavigateToPendingEntry(
     const GURL& url,
     NavigationController::ReloadType reload_type) {