[polari/gnome-3-20] networksManager: Refactor code a bit

[Florian Müllner <fmuellner src gnome org>]

commit 578627901a5ca0bd5f6c84d15cb84b5a641ec74b
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Jun 3 17:07:09 2016 +0200

    networksManager: Refactor code a bit
    
    We are about to load the initial networks list immediately, but may
    want to asynchronously fetch an up-to-date list from the network
    in the future. So split out a parseNetworks() function that can be
    used in both code paths.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=766935

 src/networksManager.js |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/networksManager.js b/src/networksManager.js
index c4499ee..2ac7584 100644
--- a/src/networksManager.js
+++ b/src/networksManager.js
@@ -32,21 +32,26 @@ const NetworksManager = new Lang.Class({
             log('Failed to load network list: ' + e.message);
             return;
         }
+        if (this._parseNetworks(data))
+            this.emit('changed');
+    },
 
+    _parseNetworks: function(data) {
         let networks;
         try {
             networks = JSON.parse(data);
         } catch(e) {
             log('Failed to parse network list: ' + e.message);
-            return;
+            return false;
         }
 
+        this._networksById.clear();
         this._networks = networks;
         this._networks.forEach(Lang.bind(this,
             function(network) {
                 this._networksById.set(network.id, network);
             }));
-        this.emit('changed');
+        return true;
     },
 
     _lookupNetwork: function(id) {