toolkit/components/pdfjs/test/browser_pdfjs_toolbar_density.js

   1 /* Any copyright is dedicated to the Public Domain.
   2  * http://creativecommons.org/publicdomain/zero/1.0/ */
   3
   4 const RELATIVE_DIR = "toolkit/components/pdfjs/test/";
   5 const TESTROOT = "https://example.com/browser/" + RELATIVE_DIR;
   6 const pdfUrl = TESTROOT + "file_pdfjs_test.pdf";
   7 const toolbarDensityPref = "browser.uidensity";
   8
   9 // Test that changing the toolbar density pref is dispatched in pdf.js.
  10 add_task(async function test() {
  11   const mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
  12   const handlerInfo = mimeService.getFromTypeAndExtension(
  13     "application/pdf",
  14     "pdf"
  15   );
  16
  17   // Make sure pdf.js is the default handler.
  18   is(
  19     handlerInfo.alwaysAskBeforeHandling,
  20     false,
  21     "pdf handler defaults to always-ask is false"
  22   );
  23   is(
  24     handlerInfo.preferredAction,
  25     Ci.nsIHandlerInfo.handleInternally,
  26     "pdf handler defaults to internal"
  27   );
  28
  29   info("Pref action: " + handlerInfo.preferredAction);
  30
  31   await BrowserTestUtils.withNewTab(
  32     { gBrowser, url: "about:blank" },
  33     async function test_toolbar_density_dispatch(browser) {
  34       await waitForPdfJS(browser, pdfUrl);
  35
  36       let promise = BrowserTestUtils.waitForContentEvent(
  37         browser,
  38         "toolbardensity",
  39         true,
  40         ({ detail: { value } }) => value === 2,
  41         true
  42       );
  43       await SpecialPowers.pushPrefEnv({
  44         set: [[toolbarDensityPref, 2]],
  45       });
  46       await promise;
  47
  48       promise = BrowserTestUtils.waitForContentEvent(
  49         browser,
  50         "toolbardensity",
  51         false,
  52         ({ detail: { value } }) => value === 0,
  53         true
  54       );
  55       await SpecialPowers.popPrefEnv();
  56       await promise;
  57
  58       await waitForPdfJSClose(browser);
  59     }
  60   );
  61 });