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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Custom binding for the webViewRequest API.
var binding = require('binding').Binding.create('webViewRequest');
var declarativeWebRequestSchema =
requireNative('schema_registry').GetSchema('declarativeWebRequest');
var utils = require('utils');
var validate = require('schemaUtils').validate;
binding.registerCustomHook(function(api) {
var webViewRequest = api.compiledApi;
// Returns the schema definition of type |typeId| defined in
// |declarativeWebRequestScheme.types|.
function getSchema(typeId) {
return utils.lookup(declarativeWebRequestSchema.types,
'id',
'declarativeWebRequest.' + typeId);
}
// Helper function for the constructor of concrete datatypes of the
// declarative webRequest API.
// Makes sure that |this| contains the union of parameters and
// {'instanceType': 'declarativeWebRequest.' + typeId} and validates the
// generated union dictionary against the schema for |typeId|.
function setupInstance(instance, parameters, typeId) {
for (var key in parameters) {
if ($Object.hasOwnProperty(parameters, key)) {
instance[key] = parameters[key];
}
}
instance.instanceType = 'declarativeWebRequest.' + typeId;
var schema = getSchema(typeId);
validate([instance], [schema]);
}
// Setup all data types for the declarative webRequest API from the schema.
for (var i = 0; i < declarativeWebRequestSchema.types.length; ++i) {
var typeSchema = declarativeWebRequestSchema.types[i];
var typeId = typeSchema.id.replace('declarativeWebRequest.', '');
var action = function(typeId) {
return function(parameters) {
setupInstance(this, parameters, typeId);
};
}(typeId);
webViewRequest[typeId] = action;
}
});
exports.binding = binding.generate();
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