Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/shared/js/everythingme/eme.js

@@ -0,0 +1,88 @@
+'use strict';
+/* global eme */
+/* global Promise */
+
+(function(exports) {
+
+  const mozSettings = navigator.mozSettings;
+
+  const DEBUG = true;
+
+  var initPromise = null;
+  var slice = Function.call.bind(Array.prototype.slice);
+
+  exports.eme = {
+    config: {
+      apiUrl: null
+    },
+
+    init: function init() {
+      if (initPromise) {
+        return initPromise;
+      }
+
+      initPromise = this.readSettings()
+      .then(
+        function success(settings) {
+          // config overrides
+          if (settings['appsearch.url']) {
+            this.config.apiUrl = settings['appsearch.url'];
+          }
+
+          // wait for device init
+          return this.device.init(settings);
+        }.bind(this),
+
+        function error(e) {
+          eme.log('fatal error accessing device settings', e);
+        }
+
+      ).catch(function(e) {
+        eme.log('init failed', e);
+      });
+
+      // avoid multiple init calls
+      this.init = function noop() {
+        eme.log('init: noop');
+        return initPromise;
+      };
+
+      return initPromise;
+    },
+
+    readSettings: function readSettings() {
+      return new Promise(function ready(resolve, reject) {
+        var lock = mozSettings.createLock();
+        var request = lock.get('*');
+
+        request.onsuccess = function onsuccess() {
+          resolve(request.result);
+        };
+        request.onerror = function onerror() {
+          reject(request.error);
+        };
+
+      }.bind(this));
+    },
+
+    log: function log() {
+      if (DEBUG) {
+        var args = slice(arguments);
+        args.unshift('evme');
+        console.log.apply(console, args);
+      }
+    },
+    warn: function warn() {
+      var args = slice(arguments);
+      args.unshift('evme', 'WARNING');
+      console.warn.apply(console, args);
+    },
+    error: function error() {
+      var args = slice(arguments);
+      args.unshift('evme', 'ERROR');
+      console.error.apply(console, args);
+    }
+
+  };
+
+})(window);