tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_aboutdebugging_devtoolstoolbox_zoom.js (1990B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 /* import-globals-from helper-collapsibilities.js */
      7 Services.scriptloader.loadSubScript(
      8  CHROME_URL_ROOT + "helper-collapsibilities.js",
      9  this
     10 );
     11 
     12 const L10N = new LocalizationHelper(
     13  "devtools/client/locales/toolbox.properties"
     14 );
     15 
     16 // Check that the about:devtools-toolbox tab can be zoomed in and that the zoom
     17 // persists after switching tabs.
     18 add_task(async function () {
     19  info("Force all debug target panes to be expanded");
     20  prepareCollapsibilitiesTest();
     21 
     22  const { document, tab, window } = await openAboutDebugging();
     23  await selectThisFirefoxPage(document, window.AboutDebugging.store);
     24  const { devtoolsTab, devtoolsWindow } = await openAboutDevtoolsToolbox(
     25    document,
     26    tab,
     27    window
     28  );
     29 
     30  is(getZoom(devtoolsWindow), 1, "default zoom level correct");
     31 
     32  info("Increase the zoom level");
     33 
     34  // Note that we read the shortcut from the toolbox properties, but that should
     35  // match the default browser shortcut `full-zoom-enlarge-shortcut`.
     36  synthesizeKeyShortcut(L10N.getStr("toolbox.zoomIn.key"));
     37  await waitFor(() => getZoom(devtoolsWindow) > 1);
     38  is(getZoom(devtoolsWindow).toFixed(2), "1.10", "zoom level increased");
     39 
     40  info("Switch tabs between about:debugging and the toolbox tab");
     41  gBrowser.selectedTab = tab;
     42  gBrowser.selectedTab = devtoolsTab;
     43 
     44  info("Wait for the browser to reapply the zoom");
     45  await wait(500);
     46 
     47  is(
     48    getZoom(devtoolsWindow).toFixed(2),
     49    "1.10",
     50    "zoom level was restored after switching tabs"
     51  );
     52 
     53  info("Restore the default zoom level");
     54  synthesizeKeyShortcut(L10N.getStr("toolbox.zoomReset.key"));
     55  await waitFor(() => getZoom(devtoolsWindow) === 1);
     56  is(getZoom(devtoolsWindow), 1, "default zoom level restored");
     57 
     58  await closeAboutDevtoolsToolbox(document, devtoolsTab, window);
     59  await removeTab(tab);
     60 });
     61 
     62 function getZoom(win) {
     63  return win.browsingContext.fullZoom;
     64 }