chrome/browser/resources/pdf/background.js

   1 // Copyright 2013 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 (function() {
   6   'use strict';
   7
   8   /**
   9    * Keep a stack of stream details for requests. These are pushed onto the
  10    * stack as requests come in and popped off the stack as they are handled by a
  11    * renderer.
  12    * TODO(raymes): This is probably racy for multiple requests. We could
  13    * associate an ID with the request but this code will probably change
  14    * completely when MIME type handling is improved.
  15    */
  16   var streamsCache = [];
  17
  18   window.popStreamDetails = function() {
  19     if (streamsCache.length > 0)
  20       return streamsCache.pop();
  21   };
  22
  23   chrome.streamsPrivate.onExecuteMimeTypeHandler.addListener(
  24     function(streamDetails) {
  25       // TODO(raymes): Currently this doesn't work with embedded PDFs (it
  26       // causes the entire frame to navigate). Also work out how we can
  27       // mask the URL with the URL of the PDF.
  28       streamsCache.push(streamDetails);
  29       chrome.tabs.update(streamDetails.tabId, {url: 'index.html'});
  30     }
  31   );
  32
  33 }());