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      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 // Custom binding for the declarativeWebRequest API.
      6 
      7 var binding = require('binding').Binding.create('declarativeWebRequest');
      8 
      9 var utils = require('utils');
     10 var validate = require('schemaUtils').validate;
     11 
     12 binding.registerCustomHook(function(api) {
     13   var declarativeWebRequest = api.compiledApi;
     14 
     15   // Returns the schema definition of type |typeId| defined in |namespace|.
     16   function getSchema(typeId) {
     17     return utils.lookup(api.schema.types,
     18                         'id',
     19                         'declarativeWebRequest.' + typeId);
     20   }
     21 
     22   // Helper function for the constructor of concrete datatypes of the
     23   // declarative webRequest API.
     24   // Makes sure that |this| contains the union of parameters and
     25   // {'instanceType': 'declarativeWebRequest.' + typeId} and validates the
     26   // generated union dictionary against the schema for |typeId|.
     27   function setupInstance(instance, parameters, typeId) {
     28     for (var key in parameters) {
     29       if ($Object.hasOwnProperty(parameters, key)) {
     30         instance[key] = parameters[key];
     31       }
     32     }
     33     instance.instanceType = 'declarativeWebRequest.' + typeId;
     34     var schema = getSchema(typeId);
     35     validate([instance], [schema]);
     36   }
     37 
     38   // Setup all data types for the declarative webRequest API.
     39   declarativeWebRequest.RequestMatcher = function(parameters) {
     40     setupInstance(this, parameters, 'RequestMatcher');
     41   };
     42   declarativeWebRequest.CancelRequest = function(parameters) {
     43     setupInstance(this, parameters, 'CancelRequest');
     44   };
     45   declarativeWebRequest.RedirectRequest = function(parameters) {
     46     setupInstance(this, parameters, 'RedirectRequest');
     47   };
     48   declarativeWebRequest.SetRequestHeader = function(parameters) {
     49     setupInstance(this, parameters, 'SetRequestHeader');
     50   };
     51   declarativeWebRequest.RemoveRequestHeader = function(parameters) {
     52     setupInstance(this, parameters, 'RemoveRequestHeader');
     53   };
     54   declarativeWebRequest.AddResponseHeader = function(parameters) {
     55     setupInstance(this, parameters, 'AddResponseHeader');
     56   };
     57   declarativeWebRequest.RemoveResponseHeader = function(parameters) {
     58     setupInstance(this, parameters, 'RemoveResponseHeader');
     59   };
     60   declarativeWebRequest.RedirectToTransparentImage =
     61       function(parameters) {
     62     setupInstance(this, parameters, 'RedirectToTransparentImage');
     63   };
     64   declarativeWebRequest.RedirectToEmptyDocument = function(parameters) {
     65     setupInstance(this, parameters, 'RedirectToEmptyDocument');
     66   };
     67   declarativeWebRequest.RedirectByRegEx = function(parameters) {
     68     setupInstance(this, parameters, 'RedirectByRegEx');
     69   };
     70   declarativeWebRequest.IgnoreRules = function(parameters) {
     71     setupInstance(this, parameters, 'IgnoreRules');
     72   };
     73   declarativeWebRequest.AddRequestCookie = function(parameters) {
     74     setupInstance(this, parameters, 'AddRequestCookie');
     75   };
     76   declarativeWebRequest.AddResponseCookie = function(parameters) {
     77     setupInstance(this, parameters, 'AddResponseCookie');
     78   };
     79   declarativeWebRequest.EditRequestCookie = function(parameters) {
     80     setupInstance(this, parameters, 'EditRequestCookie');
     81   };
     82   declarativeWebRequest.EditResponseCookie = function(parameters) {
     83     setupInstance(this, parameters, 'EditResponseCookie');
     84   };
     85   declarativeWebRequest.RemoveRequestCookie = function(parameters) {
     86     setupInstance(this, parameters, 'RemoveRequestCookie');
     87   };
     88   declarativeWebRequest.RemoveResponseCookie = function(parameters) {
     89     setupInstance(this, parameters, 'RemoveResponseCookie');
     90   };
     91   declarativeWebRequest.SendMessageToExtension = function(parameters) {
     92     setupInstance(this, parameters, 'SendMessageToExtension');
     93   };
     94 });
     95 
     96 exports.binding = binding.generate();
     97