Magnifier: use the system noise texture for the dead area

The design says that the noise texture is the implicit bottom
layer, and so it's appropriate to use it togheter with the default
color to cover the dead area outside the screen which becomes
visibile when scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=724305

diff --git a/js/ui/magnifier.js b/js/ui/magnifier.js
index f64ac3b99da39bb29a5662fb508d85276ec99a60..5cc001ea9e75fee7f238e59c48b5bb0bc6970df2 100644 (file)
--- a/js/ui/magnifier.js
+++ b/js/ui/magnifier.js
@@ -11,6 +11,7 @@ const Mainloop = imports.mainloop;
 const Meta = imports.gi.Meta;
 const Signals = imports.signals;
 
+const Background = imports.ui.background;
 const FocusCaretTracker = imports.ui.focusCaretTracker;
 const Main = imports.ui.main;
 const MagnifierDBus = imports.ui.magnifierDBus;
@@ -1198,8 +1199,11 @@ const ZoomRegion = new Lang.Class({
         // Add a background for when the magnified uiGroup is scrolled
         // out of view (don't want to see desktop showing through).
         this._background = new Clutter.Actor({ background_color: Main.DEFAULT_BACKGROUND_COLOR,
+                                               layout_manager: new Clutter.BinLayout(),
                                                width: global.screen_width,
                                                height: global.screen_height });
+        let noiseTexture = (new Background.SystemBackground()).actor;
+        this._background.add_actor(noiseTexture);
         mainGroup.add_actor(this._background);
 
         // Clone the group that contains all of UI on the screen.  This is the