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path: root/docshell/test/browser/browser_tab_touch_events.js
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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

add_task(function*() {
  const URI = "data:text/html;charset=utf-8,<iframe id='test-iframe'></iframe>";

  yield BrowserTestUtils.withNewTab({ gBrowser, url: URI }, function* (browser) {
    yield ContentTask.spawn(browser, null, test_body);
  });
});

function* test_body() {
  let docshell = docShell;

  is(docshell.touchEventsOverride, Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_NONE,
    "touchEventsOverride flag should be initially set to NONE");

  docshell.touchEventsOverride = Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_DISABLED;
  is(docshell.touchEventsOverride, Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_DISABLED,
    "touchEventsOverride flag should be changed to DISABLED");

  let frameWin = content.document.querySelector("#test-iframe").contentWindow;
  docshell = frameWin.QueryInterface(Ci.nsIInterfaceRequestor)
                     .getInterface(Ci.nsIWebNavigation)
                     .QueryInterface(Ci.nsIDocShell);
  is(docshell.touchEventsOverride, Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_DISABLED,
    "touchEventsOverride flag should be passed on to frames.");

  let newFrame = content.document.createElement("iframe");
  content.document.body.appendChild(newFrame);

  let newFrameWin = newFrame.contentWindow;
  docshell = newFrameWin.QueryInterface(Ci.nsIInterfaceRequestor)
                        .getInterface(Ci.nsIWebNavigation)
                        .QueryInterface(Ci.nsIDocShell);
  is(docshell.touchEventsOverride, Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_DISABLED,
    "Newly created frames should use the new touchEventsOverride flag");

  newFrameWin.location.reload();
  yield ContentTaskUtils.waitForEvent(newFrameWin, "load");

  docshell = newFrameWin.QueryInterface(Ci.nsIInterfaceRequestor)
                        .getInterface(Ci.nsIWebNavigation)
                        .QueryInterface(Ci.nsIDocShell);
  is(docshell.touchEventsOverride, Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_DISABLED,
    "New touchEventsOverride flag should persist across reloads");
}