Bug 671976 - Fix print preview asserts (r=smaug)

2013-03-14 12:02:28 -07:00
parent 4e09d1fc57
commit 8eb9390cea
8 changed files with 12 additions and 76 deletions
--- a/layout/printing/nsPrintEngine.cpp
+++ b/layout/printing/nsPrintEngine.cpp
@@ -530,6 +530,12 @@ nsPrintEngine::DoCommonPrint(bool                    aIsPrintPreview,
  NS_ENSURE_SUCCESS(rv, rv);

  {
+    nsCOMPtr<nsIContentViewer> viewer;
+    webContainer->GetContentViewer(getter_AddRefs(viewer));
+    if (viewer && viewer->GetDocument() && viewer->GetDocument()->IsShowing()) {
+      viewer->GetDocument()->OnPageHide(false, nullptr);
+    }
+
    nsAutoScriptBlocker scriptBlocker;
    mPrt->mPrintObject = new nsPrintObject();
    NS_ENSURE_TRUE(mPrt->mPrintObject, NS_ERROR_OUT_OF_MEMORY);