[tor-commits] [tor-browser/tor-browser-52.5.2esr-7.5-2] Bug 23970: Printing to a file is broken with Linux content sandboxing enabled

[gk@xxxxxxxxxxxxxx]

commit e1e2517a187f7a867f819c7294e62d93ad32b1ba
Author: Richard Pospesel <richard@xxxxxxxxxxxxxx>
Date:   Mon Nov 27 15:04:21 2017 -0800

    Bug 23970: Printing to a file is broken with Linux content sandboxing enabled
    
    Ported over firefox patch 997c6b961cd0 (Bug 1329835)
---
 gfx/thebes/gfxFcPlatformFontList.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/gfx/thebes/gfxFcPlatformFontList.cpp b/gfx/thebes/gfxFcPlatformFontList.cpp
index 601e7a90cbd6..19471157ba84 100644
--- a/gfx/thebes/gfxFcPlatformFontList.cpp
+++ b/gfx/thebes/gfxFcPlatformFontList.cpp
@@ -768,18 +768,20 @@ PreparePattern(FcPattern* aPattern, bool aIsPrinterFont)
        FcPatternAddBool(aPattern, PRINTING_FC_PROPERTY, FcTrue);
     } else {
 #ifdef MOZ_WIDGET_GTK
-       ApplyGdkScreenFontOptions(aPattern);
-#endif
+        ApplyGdkScreenFontOptions(aPattern);
 
 #ifdef MOZ_X11
         FcValue value;
         int lcdfilter;
-        if (FcPatternGet(aPattern, FC_LCD_FILTER, 0, &value)
-                == FcResultNoMatch &&
-            GetXftInt(DefaultXDisplay(), "lcdfilter", &lcdfilter)) {
-            FcPatternAddInteger(aPattern, FC_LCD_FILTER, lcdfilter);
+        if (FcPatternGet(aPattern, FC_LCD_FILTER, 0, &value) == FcResultNoMatch) {
+            GdkDisplay* dpy = gdk_display_get_default();
+            if (GDK_IS_X11_DISPLAY(dpy) &&
+                GetXftInt(GDK_DISPLAY_XDISPLAY(dpy), "lcdfilter", &lcdfilter)) {
+                FcPatternAddInteger(aPattern, FC_LCD_FILTER, lcdfilter);
+            }
         }
-#endif
+#endif // MOZ_X11
+#endif // MOZ_WIDGET_GTK
     }
 
     FcDefaultSubstitute(aPattern);

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