Merge pull request #5 from c9/welcome

Add a crude welcome screen

Author: lennartcl

__installed__.js

@@ -8,6 +8,6 @@ define(function(require, exports, module) {
          "plugins/google.cloud/plugin_google.vfs.credentials",
          "plugins/google.cloud/plugin_google.menu",
          "plugins/google.cloud/plugin_google.run",
+         "plugins/google.cloud/plugin_google.welcome",
      ];
-});
-
+});

plugin_google.welcome.js

@@ -0,0 +1,38 @@
+define(function(require, exports, module) {
+    main.consumes = [
+        "Plugin", "tabManager", "settings"
+    ];
+    main.provides = ["google.welcome"];
+    return main;
+
+    function main(options, imports, register) {
+        var Plugin = imports["Plugin"];
+        var settings = imports.settings;
+        var tabs = imports.tabManager;
+        var plugin = new Plugin("Cloud9 IDE, Inc.", main.consumes);
+
+        function load() {
+            tabs.once("ready", function() {
+                if (settings.getBool("user/welcome/@first_google"))
+                    return;
+                
+                settings.set("user/welcome/@first_google", true);
+                tabs.open({
+                    editorType: "preview",
+                    active: true,
+                    document: {
+                        preview: { path: "https://docs.c9.io/v1.0/docs/google" }
+                    }
+                });
+            });
+        }
+        
+        plugin.on("load", load);
+        plugin.on("unload", function() {});
+
+        register(null, {
+            "google.welcome": plugin
+        });
+    }
+    
+});