1 files changed, 31 insertions, 0 deletions
diff --git a/js/vapi-core.js b/js/vapi-core.js
index bc7bcb9..4ab5216 100644
--- a/js/vapi-core.js
+++ b/js/vapi-core.js
@@ -34,6 +34,27 @@
     const {Services} = Cu.import('resource://gre/modules/Services.jsm', null);
 
     let vAPI = self.vAPI = self.vAPI || {};
+
+    vAPI.modernFirefox =
+	Services.appinfo.ID === '{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'
+	&& Services.vc.compare(Services.appinfo.version, '44') > 0;
+
+    vAPI.app = {
+	name: 'eMatrix',
+	version: location.hash.slice(1),
+	
+	start: function () {
+	    return;
+	},
+	stop: function () {
+	    return;
+	},
+	restart: function () {
+	    Cc['@mozilla.org/childprocessmessagemanager;1']
+		.getService(Ci.nsIMessageSender)
+		.sendAsyncMessage(location.host + '-restart');
+	},
+    };
     
     // List of things that needs to be destroyed when disabling the extension
     // Only functions should be added to it
@@ -106,4 +127,14 @@
 	frameModule.contentObserver.unregister();
 	Cu.unload(frameModuleURL);
     });
+
+    vAPI.noTabId = '-1';
+
+    vAPI.isBehindTheSceneTabId = function (tabId) {
+	return tabId.toString() === '-1';
+    };
+
+    vAPI.lastError = function () {
+	return null;
+    };
 })();