extensions/renderer/resources/app_runtime_custom_bindings.js

   1 // Copyright 2014 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 AppViewGuestInternal =
  10     require('binding').Binding.create('appViewGuestInternal').generate();
  11 var eventBindings = require('event_bindings');
  12 var fileSystemHelpers = requireNative('file_system_natives');
  13 var GetIsolatedFileSystem = fileSystemHelpers.GetIsolatedFileSystem;
  14 var entryIdManager = require('entryIdManager');
  15
  16 eventBindings.registerArgumentMassager('app.runtime.onEmbedRequested',
  17     function(args, dispatch) {
  18   var appEmbeddingRequest = args[0];
  19   var id = appEmbeddingRequest.guestInstanceId;
  20   delete appEmbeddingRequest.guestInstanceId;
  21   appEmbeddingRequest.allow = function(url) {
  22     AppViewGuestInternal.attachFrame(url, id);
  23   };
  24
  25   appEmbeddingRequest.deny = function() {
  26     AppViewGuestInternal.denyRequest(id);
  27   };
  28
  29   dispatch([appEmbeddingRequest]);
  30 });
  31
  32 eventBindings.registerArgumentMassager('app.runtime.onLaunched',
  33     function(args, dispatch) {
  34   var launchData = args[0];
  35   if (launchData.items) {
  36     // An onLaunched corresponding to file_handlers in the app's manifest.
  37     var items = [];
  38     var numItems = launchData.items.length;
  39     var itemLoaded = function(err, item) {
  40       if (err) {
  41         console.error('Error getting fileEntry, code: ' + err.code);
  42       } else {
  43         $Array.push(items, item);
  44       }
  45       if (--numItems === 0) {
  46         var data = {
  47           isKioskSession: launchData.isKioskSession,
  48           source: launchData.source
  49         };
  50         if (items.length !== 0) {
  51           data.id = launchData.id;
  52           data.items = items;
  53         }
  54         dispatch([data]);
  55       }
  56     };
  57     $Array.forEach(launchData.items, function(item) {
  58       var fs = GetIsolatedFileSystem(item.fileSystemId);
  59       fs.root.getFile(item.baseName, {}, function(fileEntry) {
  60         entryIdManager.registerEntry(item.entryId, fileEntry);
  61         itemLoaded(null, { entry: fileEntry, type: item.mimeType });
  62       }, function(fileError) {
  63         itemLoaded(fileError);
  64       });
  65     });
  66   } else {
  67     // Default case. This currently covers an onLaunched corresponding to
  68     // url_handlers in the app's manifest.
  69     dispatch([launchData]);
  70   }
  71 });
  72
  73 exports.binding = binding.generate();