pdfjs-dist/lib/web/dom_events.js

/* Copyright 2017 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.
 */
'use strict';
var uiUtils = require('./ui_utils.js');
var EventBus = uiUtils.EventBus;
function attachDOMEventsToEventBus(eventBus) {
 eventBus.on('documentload', function () {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('documentload', true, true, {});
  window.dispatchEvent(event);
 });
 eventBus.on('pagerendered', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('pagerendered', true, true, {
   pageNumber: e.pageNumber,
   cssTransform: e.cssTransform
  });
  e.source.div.dispatchEvent(event);
 });
 eventBus.on('textlayerrendered', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
  e.source.textLayerDiv.dispatchEvent(event);
 });
 eventBus.on('pagechange', function (e) {
  var event = document.createEvent('UIEvents');
  event.initUIEvent('pagechange', true, true, window, 0);
  event.pageNumber = e.pageNumber;
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('pagesinit', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('pagesinit', true, true, null);
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('pagesloaded', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('scalechange', function (e) {
  var event = document.createEvent('UIEvents');
  event.initUIEvent('scalechange', true, true, window, 0);
  event.scale = e.scale;
  event.presetValue = e.presetValue;
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('updateviewarea', function (e) {
  var event = document.createEvent('UIEvents');
  event.initUIEvent('updateviewarea', true, true, window, 0);
  event.location = e.location;
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('find', function (e) {
  if (e.source === window) {
   return;
  }
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('find' + e.type, true, true, {
   query: e.query,
   phraseSearch: e.phraseSearch,
   caseSensitive: e.caseSensitive,
   highlightAll: e.highlightAll,
   findPrevious: e.findPrevious
  });
  window.dispatchEvent(event);
 });
 eventBus.on('attachmentsloaded', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
  e.source.container.dispatchEvent(event);
 });
 eventBus.on('sidebarviewchanged', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
  e.source.outerContainer.dispatchEvent(event);
 });
 eventBus.on('pagemode', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('pagemode', true, true, { mode: e.mode });
  e.source.pdfViewer.container.dispatchEvent(event);
 });
 eventBus.on('namedaction', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('namedaction', true, true, { action: e.action });
  e.source.pdfViewer.container.dispatchEvent(event);
 });
 eventBus.on('presentationmodechanged', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('presentationmodechanged', true, true, {
   active: e.active,
   switchInProgress: e.switchInProgress
  });
  window.dispatchEvent(event);
 });
 eventBus.on('outlineloaded', function (e) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
  e.source.container.dispatchEvent(event);
 });
}
var globalEventBus = null;
function getGlobalEventBus() {
 if (globalEventBus) {
  return globalEventBus;
 }
 globalEventBus = new EventBus();
 attachDOMEventsToEventBus(globalEventBus);
 return globalEventBus;
}
exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
exports.getGlobalEventBus = getGlobalEventBus;