Prepare viewer.js for async loading and module separation.

web/viewer.js

@@ -0,0 +1,51 @@
+/* Copyright 2016 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*globals require, parseQueryString, chrome, PDFViewerApplication */
+
+'use strict';
+
+var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
+
+//#include app.js
+
+//#if CHROME
+//(function rewriteUrlClosure() {
+//  // Run this code outside DOMContentLoaded to make sure that the URL
+//  // is rewritten as soon as possible.
+//  var queryString = document.location.search.slice(1);
+//  var params = parseQueryString(queryString);
+//  DEFAULT_URL = params.file || '';
+//
+//  // Example: chrome-extension://.../http://example.com/file.pdf
+//  var humanReadableUrl = '/' + DEFAULT_URL + location.hash;
+//  history.replaceState(history.state, '', humanReadableUrl);
+//  if (top === window) {
+//    chrome.runtime.sendMessage('showPageAction');
+//  }
+//})();
+//#endif
+
+function webViewerLoad() {
+//#if !PRODUCTION
+  require.config({paths: {'pdfjs': '../src'}});
+  require(['pdfjs/main_loader'], function (loader) {
+    PDFViewerApplication.run();
+  });
+//#else
+//PDFViewerApplication.run();
+//#endif
+}
+
+document.addEventListener('DOMContentLoaded', webViewerLoad, true);