chrome/renderer/resources/extensions/file_manager_private_custom_bindings.js

   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 fileManagerPrivate API.
   6
   7 // Bindings
   8 var binding = require('binding').Binding.create('fileManagerPrivate');
   9 var eventBindings = require('event_bindings');
  10
  11 // Natives
  12 var fileManagerPrivateNatives = requireNative('file_manager_private');
  13 var fileBrowserHandlerNatives = requireNative('file_browser_handler');
  14
  15 // Internals
  16 var fileManagerPrivateInternal =
  17     require('binding').Binding.create('fileManagerPrivateInternal').generate();
  18
  19 // Shorthands
  20 var GetFileSystem = fileManagerPrivateNatives.GetFileSystem;
  21 var GetExternalFileEntry = fileBrowserHandlerNatives.GetExternalFileEntry;
  22
  23 binding.registerCustomHook(function(bindingsAPI) {
  24   var apiFunctions = bindingsAPI.apiFunctions;
  25
  26   apiFunctions.setCustomCallback('searchDrive',
  27       function(name, request, callback, response) {
  28     if (response && !response.error && response.entries) {
  29       response.entries = response.entries.map(function(entry) {
  30         return GetExternalFileEntry(entry);
  31       });
  32     }
  33
  34     // So |callback| doesn't break if response is not defined.
  35     if (!response)
  36       response = {};
  37
  38     if (callback)
  39       callback(response.entries, response.nextFeed);
  40   });
  41
  42   apiFunctions.setCustomCallback('searchDriveMetadata',
  43       function(name, request, callback, response) {
  44     if (response && !response.error) {
  45       for (var i = 0; i < response.length; i++) {
  46         response[i].entry =
  47             GetExternalFileEntry(response[i].entry);
  48       }
  49     }
  50
  51     // So |callback| doesn't break if response is not defined.
  52     if (!response)
  53       response = {};
  54
  55     if (callback)
  56       callback(response);
  57   });
  58
  59   apiFunctions.setHandleRequest('resolveIsolatedEntries',
  60                                 function(entries, callback) {
  61     var urls = entries.map(function(entry) {
  62       return fileBrowserHandlerNatives.GetEntryURL(entry);
  63     });
  64     fileManagerPrivateInternal.resolveIsolatedEntries(urls, function(
  65         entryDescriptions) {
  66       callback(entryDescriptions.map(function(description) {
  67         return GetExternalFileEntry(description);
  68       }));
  69     });
  70   });
  71 });
  72
  73 eventBindings.registerArgumentMassager(
  74     'fileManagerPrivate.onDirectoryChanged', function(args, dispatch) {
  75   // Convert the entry arguments into a real Entry object.
  76   args[0].entry = GetExternalFileEntry(args[0].entry);
  77   dispatch(args);
  78 });
  79
  80 exports.binding = binding.generate();