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