toolkit/components/pdfjs/test/browser_pdfjs_update_preferences.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_updated_preferences(browser) {
  34       await waitForPdfJS(browser, pdfUrl);
  35
  36       const prefs = {
  37         enableGuessAltText: {
  38           type: "Bool",
  39           initialValue: true,
  40           newValue: false,
  41           expectedValue: false,
  42           listenForUpdate: true,
  43         },
  44         pdfBugEnabled: {
  45           type: "Bool",
  46           initialValue: false,
  47           newValue: true,
  48           // pdfBugEnabled is immutable.
  49           expectedValue: false,
  50           listenForUpdate: false,
  51         },
  52       };
  53
  54       for (const pref of Object.keys(prefs)) {
  55         Services.prefs.clearUserPref(`pdfjs.${pref}`);
  56       }
  57
  58       const promises = [];
  59       for (const [
  60         pref,
  61         { type, initialValue, listenForUpdate },
  62       ] of Object.entries(prefs)) {
  63         Assert.strictEqual(
  64           Services.prefs[`get${type}Pref`](`pdfjs.${pref}`),
  65           initialValue,
  66           `pdfjs.${pref} should be ${initialValue}`
  67         );
  68         if (listenForUpdate) {
  69           promises.push(
  70             BrowserTestUtils.waitForContentEvent(
  71               browser,
  72               "updatedPreference",
  73               false,
  74               null,
  75               true
  76             )
  77           );
  78         }
  79       }
  80
  81       await SpecialPowers.spawn(browser, [prefs], async prfs => {
  82         const viewer = content.wrappedJSObject.PDFViewerApplication;
  83         for (const [pref, { newValue }] of Object.entries(prfs)) {
  84           await viewer.preferences.set(pref, newValue);
  85         }
  86       });
  87
  88       await Promise.all(promises);
  89
  90       for (const [pref, { type, expectedValue }] of Object.entries(prefs)) {
  91         Assert.strictEqual(
  92           Services.prefs[`get${type}Pref`](`pdfjs.${pref}`),
  93           expectedValue,
  94           `pdfjs.${pref} should be ${expectedValue}`
  95         );
  96       }
  97
  98       for (const pref of Object.keys(prefs)) {
  99         Services.prefs.clearUserPref(`pdfjs.${pref}`);
 100       }
 101
 102       await waitForPdfJSClose(browser);
 103     }
 104   );
 105 });