CocoRoboDesktop/pdf1.js/web/viewer-geckoview.js

/* 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.
 */

import { RenderingStates, ScrollMode, SpreadMode } from "./ui_utils.js";
import { AppOptions } from "./app_options.js";
import { LinkTarget } from "./pdf_link_service.js";
import { PDFViewerApplication } from "./app.js";

/* eslint-disable-next-line no-unused-vars */
const pdfjsVersion =
  typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_VERSION") : void 0;
/* eslint-disable-next-line no-unused-vars */
const pdfjsBuild =
  typeof PDFJSDev !== "undefined" ? PDFJSDev.eval("BUNDLE_BUILD") : void 0;

const AppConstants =
  typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
    ? { LinkTarget, RenderingStates, ScrollMode, SpreadMode }
    : null;

window.PDFViewerApplication = PDFViewerApplication;
window.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplicationOptions = AppOptions;

if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
  require("./firefoxcom.js");
  require("./firefox_print_service.js");
}

function getViewerConfiguration() {
  return {
    appContainer: document.body,
    mainContainer: document.getElementById("viewerContainer"),
    viewerContainer: document.getElementById("viewer"),

    passwordOverlay: {
      dialog: document.getElementById("passwordDialog"),
      label: document.getElementById("passwordText"),
      input: document.getElementById("password"),
      submitButton: document.getElementById("passwordSubmit"),
      cancelButton: document.getElementById("passwordCancel"),
    },
    printContainer: document.getElementById("printContainer"),
    openFileInput:
      typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
        ? document.getElementById("fileInput")
        : null,
  };
}

function webViewerLoad() {
  const config = getViewerConfiguration();
  if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("PRODUCTION")) {
    if (window.chrome) {
      const link = document.createElement("link");
      link.rel = "stylesheet";
      link.href = "../build/dev-css/viewer.css";

      document.head.append(link);
    }

    Promise.all([
      import("pdfjs-web/genericcom.js"),
      import("pdfjs-web/pdf_print_service.js"),
    ]).then(function ([genericCom, pdfPrintService]) {
      PDFViewerApplication.run(config);
    });
  } else {
    PDFViewerApplication.run(config);
  }
}

// Block the "load" event until all pages are loaded, to ensure that printing
// works in Firefox; see https://bugzilla.mozilla.org/show_bug.cgi?id=1618553
document.blockUnblockOnload?.(true);

if (
  document.readyState === "interactive" ||
  document.readyState === "complete"
) {
  webViewerLoad();
} else {
  document.addEventListener("DOMContentLoaded", webViewerLoad, true);
}

export {
  PDFViewerApplication,
  AppConstants as PDFViewerApplicationConstants,
  AppOptions as PDFViewerApplicationOptions,
};