1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 var normalizeArgumentsAndValidate =
6 require('schemaUtils').normalizeArgumentsAndValidate
7 var sendRequest = require('sendRequest').sendRequest;
9 function extendSchema(schema) {
10 var extendedSchema = $Array.slice(schema);
11 extendedSchema.unshift({'type': 'string'});
12 return extendedSchema;
15 function StorageArea(namespace, schema) {
16 // Binds an API function for a namespace to its browser-side call, e.g.
17 // storage.sync.get('foo') -> (binds to) ->
18 // storage.get('sync', 'foo').
20 // TODO(kalman): Put as a method on CustombindingObject and re-use (or
21 // even generate) for other APIs that need to do this. Same for other
22 // callers of registerCustomType().
24 function bindApiFunction(functionName) {
25 self[functionName] = function() {
26 var funSchema = this.functionSchemas[functionName];
27 var args = $Array.slice(arguments);
28 args = normalizeArgumentsAndValidate(args, funSchema);
30 'storage.' + functionName,
31 $Array.concat([namespace], args),
32 extendSchema(funSchema.definition.parameters),
33 {preserveNullInObjects: true});
36 var apiFunctions = ['get', 'set', 'remove', 'clear', 'getBytesInUse'];
37 $Array.forEach(apiFunctions, bindApiFunction);
40 exports.StorageArea = StorageArea;