1 files changed, 96 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/angularjs/js/services/todoStorage.js b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/angularjs/js/services/todoStorage.js
new file mode 100644
index 0000000000..b68e59628d
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/architecture-examples/angularjs/js/services/todoStorage.js
@@ -0,0 +1,96 @@
+/*global angular */
+
+/**
+ * Services that persists and retrieves todos from memory or a backend API
+ * if available.
+ *
+ * They both follow the same API, returning promises for all changes to the
+ * model.
+ */
+angular.module('todomvc')
+    .factory('todoStorage', function ($http, $injector) {
+        'use strict';
+        return Promise.resolve().then(function() {
+            return $injector.get('localCache');
+        });
+    })
+
+    .factory('localCache', function ($q) {
+        'use strict';
+
+        var STORAGE_ID = 'todos-angularjs';
+
+        var store = {
+            todos: [],
+            cache: [],
+
+            _getFromLocalCache: function () {
+                // return JSON.parse(this.cache[STORAGE_ID] || '[]');
+                return [];
+            },
+
+            _saveToLocalCache: function (todos) {
+                // this.cache[STORAGE_ID] = JSON.stringify(todos);
+                return;
+            },
+
+            clearCompleted: function () {
+                var deferred = $q.defer();
+
+                var incompleteTodos = store.todos.filter(function (todo) {
+                    return !todo.completed;
+                });
+
+                angular.copy(incompleteTodos, store.todos);
+
+                store._saveToLocalCache(store.todos);
+                deferred.resolve(store.todos);
+
+                return deferred.promise;
+            },
+
+            delete: function (todo) {
+                var deferred = $q.defer();
+
+                store.todos.splice(store.todos.indexOf(todo), 1);
+
+                store._saveToLocalCache(store.todos);
+                deferred.resolve(store.todos);
+
+                return deferred.promise;
+            },
+
+            get: function () {
+                var deferred = $q.defer();
+
+                angular.copy(store._getFromLocalCache(), store.todos);
+                deferred.resolve(store.todos);
+
+                return deferred.promise;
+            },
+
+            insert: function (todo) {
+                var deferred = $q.defer();
+
+                store.todos.push(todo);
+
+                store._saveToLocalCache(store.todos);
+                deferred.resolve(store.todos);
+
+                return deferred.promise;
+            },
+
+            put: function (todo, index) {
+                var deferred = $q.defer();
+
+                store.todos[index] = todo;
+
+                store._saveToLocalCache(store.todos);
+                deferred.resolve(store.todos);
+
+                return deferred.promise;
+            }
+        };
+
+        return store;
+    });