tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_input_file_picker_opening_notification.js (2684B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 const TEST_URL =
      7  "https://example.org/document-builder.sjs?html=<input type='file'>";
      8 
      9 const MockFilePicker = SpecialPowers.MockFilePicker;
     10 MockFilePicker.init(window.browsingContext);
     11 
     12 add_task(async _ => {
     13  registerCleanupFunction(() => MockFilePicker.cleanup());
     14 
     15  await testPickerOpeningNotification(gBrowser, { method: "input.click()" });
     16  await testPickerOpeningNotification(gBrowser, {
     17    method: "input.showPicker()",
     18  });
     19 });
     20 
     21 async function testPickerOpeningNotification(gBrowser, { method }) {
     22  info("Test the input-file-picker-opening notification for method=" + method);
     23  await BrowserTestUtils.withNewTab(
     24    {
     25      gBrowser,
     26      url: TEST_URL,
     27    },
     28    async function (browser) {
     29      const onPickerCanceled = new Promise(resolve => {
     30        MockFilePicker.showCallback = function () {
     31          resolve();
     32          return Ci.nsIFilePicker.returnCancel;
     33        };
     34      });
     35      await SpecialPowers.spawn(browser, [method], async function (_method) {
     36        const fileInputElement = content.document.querySelector("input");
     37 
     38        const waitForPickerOpeningNotification = () => {
     39          return new Promise(resolve => {
     40            Services.obs.addObserver(function onPickerOpening(subject) {
     41              info(
     42                "Received a file-input-picker-opening notification for subject: " +
     43                  subject.outerHTML
     44              );
     45              is(
     46                subject,
     47                fileInputElement,
     48                "Notification received for the expected input element"
     49              );
     50 
     51              Services.obs.removeObserver(
     52                onPickerOpening,
     53                "file-input-picker-opening"
     54              );
     55              resolve();
     56            }, "file-input-picker-opening");
     57          });
     58        };
     59 
     60        let onPickerOpeningNotification = waitForPickerOpeningNotification();
     61        content.document.notifyUserGestureActivation();
     62 
     63        info("Trigger the file picker to be displayed via " + _method);
     64        if (_method == "input.click()") {
     65          fileInputElement.click();
     66        } else if (_method == "input.showPicker()") {
     67          fileInputElement.showPicker();
     68        } else {
     69          throw new Error(
     70            "Unsupported method for testPickerOpeningNotification: " + _method
     71          );
     72        }
     73        info("Wait for the mock file picker showCallback to cancel the picker");
     74        await onPickerOpeningNotification;
     75      });
     76 
     77      info("Wait for the file-input-picker-opening notification");
     78      await onPickerCanceled;
     79    }
     80  );
     81 }