[gnome-shell/wip/fmuellner/color-picker: 4/5] screenshot: Allow bypassing lockdown setting

[Florian Müllner <fmuellner src gnome org>]

commit d2c75801ea1d91a330edea5a1a89aa16e23e0066
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jul 19 19:23:46 2018 +0200

    screenshot: Allow bypassing lockdown setting
    
    The setting is only relevant when writing to disk is required. We
    will soon expose a screenshot method that doesn't, so make it
    possible to ignore it.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/286

 js/ui/screenshot.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/js/ui/screenshot.js b/js/ui/screenshot.js
index 5f9ab1933..877dd4e82 100644
--- a/js/ui/screenshot.js
+++ b/js/ui/screenshot.js
@@ -72,10 +72,13 @@ var ScreenshotService = new Lang.Class({
         Gio.DBus.session.own_name('org.gnome.Shell.Screenshot', Gio.BusNameOwnerFlags.REPLACE, null, null);
     },
 
-    _createScreenshot(invocation) {
+    _createScreenshot(invocation, needsDisk=true) {
+        let lockedDown = false;
+        if (needsDisk)
+            lockedDown = this._lockdownSettings.get_boolean('disable-save-to-disk')
+
         let sender = invocation.get_sender();
-        if (this._screenShooter.has(sender) ||
-            this._lockdownSettings.get_boolean('disable-save-to-disk')) {
+        if (this._screenShooter.has(sender) || lockedDown) {
             invocation.return_value(GLib.Variant.new('(bs)', [false, '']));
             return null;
         }