[IMP] web: ajax service: ensure widget is alive

... before resolving/rejecting the deferred once the RPC is done.
Doing this in the ajax service is equal to wrap every rpc with
this.alive() in the former versions.

1 files changed, 12 insertions, 2 deletions

diff --git a/addons/web/static/src/js/services/ajax_service.js b/addons/web/static/src/js/services/ajax_service.js
index dbcd851e203..480549347d4 100644
--- a/addons/web/static/src/js/services/ajax_service.js
+++ b/addons/web/static/src/js/services/ajax_service.js
@@ -6,8 +6,18 @@ var session = require('web.session');
 
 var AjaxService = AbstractService.extend({
     name: 'ajax',
-    rpc: function (route, args, options) {
-        return session.rpc(route, args, options);
+    rpc: function (route, args, options, target) {
+        return $.Deferred(function (def) {
+            session.rpc(route, args, options).then(function () {
+                if (!target.isDestroyed()) {
+                    def.resolve.apply(def, arguments);
+                }
+            }, function () {
+                if (!target.isDestroyed()) {
+                    def.reject.apply(def, arguments);
+                }
+            });
+        }).promise();
     },
 });