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 fileBrowserHandler API. 6 7var binding = require('binding').Binding.create('fileBrowserHandler'); 8 9var eventBindings = require('event_bindings'); 10var fileBrowserNatives = requireNative('file_browser_handler'); 11var GetExternalFileEntry = fileBrowserNatives.GetExternalFileEntry; 12var fileBrowserHandlerInternal = require('binding').Binding.create( 13 'fileBrowserHandlerInternal').generate(); 14 15eventBindings.registerArgumentMassager('fileBrowserHandler.onExecute', 16 function(args, dispatch) { 17 if (args.length < 2) { 18 dispatch(args); 19 return; 20 } 21 var fileList = args[1].entries; 22 if (!fileList) { 23 dispatch(args); 24 return; 25 } 26 // The second parameter for this event's payload is file definition 27 // dictionary that we used to reconstruct File API's Entry instance 28 // here. 29 for (var i = 0; i < fileList.length; i++) 30 fileList[i] = GetExternalFileEntry(fileList[i]); 31 dispatch(args); 32}); 33 34binding.registerCustomHook(function(bindingsAPI) { 35 var apiFunctions = bindingsAPI.apiFunctions; 36 37 apiFunctions.setHandleRequest('selectFile', 38 function(selectionParams, callback) { 39 function internalCallback(externalCallback, internalResult) { 40 if (!externalCallback) 41 return; 42 var result = undefined; 43 if (internalResult) { 44 result = { success: internalResult.success, entry: null }; 45 if (internalResult.success) 46 result.entry = GetExternalFileEntry(internalResult.entry); 47 } 48 49 externalCallback(result); 50 } 51 52 return fileBrowserHandlerInternal.selectFile( 53 selectionParams, $Function.bind(internalCallback, null, callback)); 54 }); 55}); 56 57exports.binding = binding.generate(); 58