added speaker grouping

bluos/README.md

@@ -0,0 +1,26 @@
+# BluOS
+
+This integration allows to control audio devices based on BluOS. BluOS is an operating system that can be found in products from Blusound, NAD Electronics, DALI Loudspeakers and others.
+
+## Supported Things
+
+* BluOS Player
+	* Auto discovery setup
+	* Auto rediscovery on IP address change
+	* Multimedia control
+	* Volume
+	* Browsing Presets
+	* Browsing various music services
+	* Grouping speakers
+	* No internet or cloud connection required
+
+## Requirements
+
+* The BluOS device must be in the same local area network as nymea.
+* TCP sockets on port 80 must not be blocked by the router.
+* Blusound App to setup the speaker.
+* The package "nymea-plugin-bluos" must be installed
+
+## More
+
+https://www.bluesound.com/

bluos/integrationpluginbluos.cpp

@@ -229,9 +229,19 @@ void IntegrationPluginBluOS::browseThing(BrowseResult *result)
             m_asyncBrowseResults.insert(requestId, result);
             connect(result, &BrowseResult::aborted, this, [this, requestId]{m_asyncBrowseResults.remove(requestId);});
         } else if (result->itemId() == "grouping") {
-            //TODO avahi discovery
+            foreach (const ZeroConfServiceEntry avahiEntry, m_serviceBrowser->serviceEntries()) {
-            // m_asyncBrowseResults.insert(requestId, result);
+                qCDebug(dcBluOS()) << "Zeroconf entry:" << avahiEntry;
-            //connect(result, &BrowseResult::aborted, this, [this, requestId]{m_asyncBrowseResults.remove(requestId);});
+
+                QString playerId = avahiEntry.hostName().split(".").first();
+                if (thing->paramValue(bluosPlayerThingSerialNumberParamTypeId).toString() == playerId) {
+                    continue;
+                }
+                MediaBrowserItem groupingItem("grouping&"+avahiEntry.hostAddress().toString()+"&"+avahiEntry.port(), avahiEntry.name(), true, false);
+                groupingItem.setDescription(avahiEntry.hostAddress().toString());
+                groupingItem.setMediaIcon(MediaBrowserItem::MediaBrowserIconNetwork);
+                groupingItem.setIcon(BrowserItem::BrowserIconMusic);
+                result->addItem(groupingItem);
+            }
         } else if (result->itemId().isEmpty()) {
             MediaBrowserItem presetItem("presets", "Presets", true, false);
             presetItem.setIcon(BrowserItem::BrowserIcon::BrowserIconFavorites);