chrome/renderer/resources/extensions/chrome_setting.js

   1 // Copyright (c) 2012 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.
   4
   5 var Event = require('event_bindings').Event;
   6 var sendRequest = require('sendRequest').sendRequest;
   7 var validate = require('schemaUtils').validate;
   8
   9 function extendSchema(schema) {
  10   var extendedSchema = $Array.slice(schema);
  11   extendedSchema.unshift({'type': 'string'});
  12   return extendedSchema;
  13 }
  14
  15 function ChromeSetting(prefKey, valueSchema) {
  16   this.get = function(details, callback) {
  17     var getSchema = this.functionSchemas.get.definition.parameters;
  18     validate([details, callback], getSchema);
  19     return sendRequest('types.ChromeSetting.get',
  20                        [prefKey, details, callback],
  21                        extendSchema(getSchema));
  22   };
  23   this.set = function(details, callback) {
  24     var setSchema = $Array.slice(
  25         this.functionSchemas.set.definition.parameters);
  26     setSchema[0].properties.value = valueSchema;
  27     validate([details, callback], setSchema);
  28     return sendRequest('types.ChromeSetting.set',
  29                        [prefKey, details, callback],
  30                        extendSchema(setSchema));
  31   };
  32   this.clear = function(details, callback) {
  33     var clearSchema = this.functionSchemas.clear.definition.parameters;
  34     validate([details, callback], clearSchema);
  35     return sendRequest('types.ChromeSetting.clear',
  36                        [prefKey, details, callback],
  37                        extendSchema(clearSchema));
  38   };
  39   this.onChange = new Event('types.ChromeSetting.' + prefKey + '.onChange');
  40 };
  41
  42 exports.ChromeSetting = ChromeSetting;