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| 1 // Copyright 2013 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 fileSystemProvider API. |
| 6 |
| 7 var binding = require('binding').Binding.create('fileSystemProvider'); |
| 8 var fileSystemNatives = requireNative('file_system_natives'); |
| 9 var GetDOMError = fileSystemNatives.GetDOMError; |
| 10 |
| 11 binding.registerCustomHook(function(bindingsAPI) { |
| 12 var apiFunctions = bindingsAPI.apiFunctions; |
| 13 |
| 14 apiFunctions.setUpdateArgumentsPostValidate( |
| 15 'mount', |
| 16 function(displayName, successCallback, errorCallback) { |
| 17 // Piggyback the error callback onto the success callback, |
| 18 // so we can use the error callback later. |
| 19 successCallback.errorCallback_ = errorCallback; |
| 20 return [displayName, successCallback]; |
| 21 }); |
| 22 |
| 23 apiFunctions.setCustomCallback( |
| 24 'mount', |
| 25 function(name, request, response) { |
| 26 var fileSystemId = null; |
| 27 var domError = null; |
| 28 if (request.callback && response) { |
| 29 fileSystemId = response[0]; |
| 30 // DOMError is present only if mount() failed. |
| 31 if (response[1]) { |
| 32 // Convert a Dictionary to a DOMError. |
| 33 domError = GetDOMError(response[1].name, response[1].message); |
| 34 response.length = 1; |
| 35 } |
| 36 |
| 37 var successCallback = request.callback; |
| 38 var errorCallback = request.callback.errorCallback_; |
| 39 delete request.callback; |
| 40 |
| 41 if (domError) |
| 42 errorCallback(domError); |
| 43 else |
| 44 successCallback(fileSystemId); |
| 45 } |
| 46 }); |
| 47 }); |
| 48 |
| 49 exports.binding = binding.generate(); |
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