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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 i18n API. |  | 
| 6 |  | 
| 7 var binding = require('binding').Binding.create('i18n'); |  | 
| 8 |  | 
| 9 var i18nNatives = requireNative('i18n'); |  | 
| 10 var GetL10nMessage = i18nNatives.GetL10nMessage; |  | 
| 11 var GetL10nUILanguage = i18nNatives.GetL10nUILanguage; |  | 
| 12 |  | 
| 13 binding.registerCustomHook(function(bindingsAPI, extensionId) { |  | 
| 14   var apiFunctions = bindingsAPI.apiFunctions; |  | 
| 15 |  | 
| 16   apiFunctions.setUpdateArgumentsPreValidate('getMessage', function() { |  | 
| 17     var args = $Array.slice(arguments); |  | 
| 18 |  | 
| 19     // The first argument is the message, and should be a string. |  | 
| 20     var message = args[0]; |  | 
| 21     if (typeof(message) !== 'string') { |  | 
| 22       console.warn(extensionId + ': the first argument to getMessage should ' + |  | 
| 23                    'be type "string", was ' + message + |  | 
| 24                    ' (type "' + typeof(message) + '")'); |  | 
| 25       args[0] = String(message); |  | 
| 26     } |  | 
| 27 |  | 
| 28     return args; |  | 
| 29   }); |  | 
| 30 |  | 
| 31   apiFunctions.setHandleRequest('getMessage', |  | 
| 32                                 function(messageName, substitutions) { |  | 
| 33     return GetL10nMessage(messageName, substitutions, extensionId); |  | 
| 34   }); |  | 
| 35 |  | 
| 36   apiFunctions.setHandleRequest('getUILanguage', function() { |  | 
| 37     return GetL10nUILanguage(); |  | 
| 38   }); |  | 
| 39 }); |  | 
| 40 |  | 
| 41 exports.binding = binding.generate(); |  | 
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