new form for emails

public/views/preferencesEmail.html

@@ -0,0 +1,39 @@
+<div 
+  class="topbar-container" 
+  ng-include="'views/includes/topbar.html'"
+  ng-init="titleSection='Email Notifications'; goBackToState = 'preferences'">
+</div>
+
+
+
+<div class="content preferences p20v" ng-controller="preferencesEmailController as prefEmail">
+
+  <div class="onGoingProcess" ng-show="prefEmail.saving && !index.isOffline">
+    <div class="onGoingProcess-content" ng-style="{'background-color':index.backgroundColor}">
+      <div class="spinner">
+        <div class="rect1"></div>
+        <div class="rect2"></div>
+        <div class="rect3"></div>
+        <div class="rect4"></div>
+        <div class="rect5"></div>
+      </div>
+      <span translate> Saving preferences... </span>
+    </div>
+  </div>
+
+
+  <form name="emailForm" ng-submit="prefEmail.save(emailForm)" class="columns" novalidate>
+    <div class="box-notification" ng-show="prefEmail.error">
+      <span class="text-warning size-14">
+        {{prefEmail.error|translate}}
+      </span>
+    </div>
+
+    <label>email for wallet  notifications:</i></label>
+    <input type="email" id="email" name="email" ng-model="prefEmail.email" required>
+    <input type="submit" class="button expand black radius" value="{{'Save'|translate}}"
+    ng-style="{'background-color':index.backgroundColor}" ng-disabled="emailForm.$invalid">
+  </form>
+<p class="text-gray text-center columns size-14" translate> Setting up email notifications could weaken your privacy, if the wallet service provider is compromised.  Information available to an attacker would include be the positive confirmation of a bitcoin wallet and its balance, but no more.
+</div>
+<div class="extra-margin-bottom"></div>

src/js/controllers/preferencesEmail.js

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+'use strict';
+
+angular.module('copayApp.controllers').controller('preferencesEmailController',
+  function($scope, go,  profileService ,gettext, $log) {
+    this.save = function(form) {
+      this.error=null;
+
+      if (!form.$valid) {
+        this.error = gettext('Invalid email');
+        return;
+      }
+
+console.log('[preferencesEmail.js.12]', this.email); //TODO
+      var fc = profileService.focusedClient;
+      this.saving =true;
+      fc.savePreferences({email:this.email}, function(err) {
+        fc.saving =false;
+        if (err) {
+          $log.warn(err);
+          $scope.$emit('Local/ClientError', err);
+          return;
+        }
+        go.walletHome();
+      });
+    };
+
+
+  });