chrome/renderer/resources/extensions/app_runtime_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 chrome.app.runtime API.
   6
   7 var binding = require('binding').Binding.create('app.runtime');
   8
   9 var eventBindings = require('event_bindings');
  10 var fileSystemHelpers = requireNative('file_system_natives');
  11 var GetIsolatedFileSystem = fileSystemHelpers.GetIsolatedFileSystem;
  12 var appNatives = requireNative('app_runtime');
  13 var DeserializeString = appNatives.DeserializeString;
  14 var SerializeToString = appNatives.SerializeToString;
  15 var CreateBlob = appNatives.CreateBlob;
  16 var entryIdManager = require('entryIdManager');
  17
  18 eventBindings.registerArgumentMassager('app.runtime.onLaunched',
  19     function(args, dispatch) {
  20   var launchData = args[0];
  21
  22   if (launchData && typeof launchData.id !== 'undefined') {
  23     // new-style dispatch.
  24     var items = []
  25     var numItems = launchData.items.length;
  26     var itemLoaded = function(err, item) {
  27       if (err) {
  28         console.error('Error getting fileEntry, code: ' + err.code);
  29       } else {
  30         $Array.push(items, item);
  31       }
  32       if (--numItems === 0) {
  33         if (items.length === 0) {
  34           dispatch([]);
  35         } else {
  36           var data = { id: launchData.id, items: items };
  37           dispatch([data]);
  38         }
  39       }
  40     };
  41     $Array.forEach(launchData.items, function(item) {
  42       var fs = GetIsolatedFileSystem(item.fileSystemId);
  43       fs.root.getFile(item.baseName, {}, function(fileEntry) {
  44         entryIdManager.registerEntry(item.entryId, fileEntry);
  45         itemLoaded(null, { entry: fileEntry, type: item.mimeType });
  46       }, function(fileError) {
  47         itemLoaded(fileError);
  48       });
  49     });
  50   } else if (launchData) {
  51     dispatch([launchData]);
  52   } else {
  53     dispatch([]);
  54   }
  55 });
  56
  57 exports.binding = binding.generate();