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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 bindings for the downloads API. |
| 6 |
| 7 var binding = require('binding').Binding.create('extfs'); |
| 8 var eventBindings = require('event_bindings'); |
| 9 |
| 10 eventBindings.registerArgumentMassager( |
| 11 'extfs.onEntryRequested', |
| 12 function (args, dispatch) { |
| 13 var requestId = args[0]; |
| 14 var path = args[1]; |
| 15 var callback = function(errorCode, entry) { |
| 16 console.log('@@@@ calling returnEntry'); |
| 17 chrome.extfs.returnEntry(requestId, errorCode, entry); |
| 18 }; |
| 19 console.log('@@@@ calling the original listener'); |
| 20 dispatch([path, callback]); |
| 21 }); |
| 22 |
| 23 eventBindings.registerArgumentMassager( |
| 24 'extfs.onDirectoryEntriesRequested', |
| 25 function (args, dispatch) { |
| 26 var requestId = args[0]; |
| 27 var path = args[1]; |
| 28 var callback = function(errorCode, entries) { |
| 29 console.log('@@@@ calling returnEntries'); |
| 30 chrome.extfs.returnEntries(requestId, errorCode, entries); |
| 31 }; |
| 32 console.log('@@@@ calling the original listener'); |
| 33 dispatch([path, callback]); |
| 34 }); |
| 35 |
| 36 eventBindings.registerArgumentMassager( |
| 37 'extfs.onSnapshotRequested', |
| 38 function (args, dispatch) { |
| 39 var requestId = args[0]; |
| 40 var path = args[1]; |
| 41 var callback = function(errorCode, blob) { |
| 42 console.log('@@@@ calling returnSnapshot'); |
| 43 console.log('@@@@ blob: ' + blob); |
| 44 console.log('@@@@ requestId: ' + requestId); |
| 45 chrome.extfs.returnSnapshot(requestId, errorCode, blob); |
| 46 }; |
| 47 console.log('@@@@ calling the original listener'); |
| 48 dispatch([path, callback]); |
| 49 }); |
| 50 |
| 51 binding.registerCustomHook(function(bindingsAPI) { |
| 52 var apiFunctions = bindingsAPI.apiFunctions; |
| 53 apiFunctions.setUpdateArgumentsPostValidate( |
| 54 "returnSnapshot", function(requestId, errorCode, blob) { |
| 55 console.log('@@@@ intercepting returnSnapshot'); |
| 56 // The blob URL will be revoked in the browser. |
| 57 var blobURL = window.URL.createObjectURL(blob); |
| 58 console.log('@@@@ blobURL: ' + blobURL); |
| 59 console.log('@@@@ requestId: ' + requestId); |
| 60 return [requestId, errorCode, blobURL]; |
| 61 }); |
| 62 }); |
| 63 |
| 64 exports.binding = binding.generate(); |
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