"use strict";

const SELFCHROMEURL =
  "chrome://mochitests/content/browser/browser/" +
  "components/sessionstore/test/browser_parentProcessRestoreHash.js";

const Cm = Components.manager;

const TESTCLASSID = "78742c04-3630-448c-9be3-6c5070f062de";

const TESTURL = "about:testpageforsessionrestore#foo";


let TestAboutPage = {
  QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule]),
  getURIFlags(aURI) {
    // No CAN_ or MUST_LOAD_IN_CHILD means this loads in the parent:
    return Ci.nsIAboutModule.ALLOW_SCRIPT |
           Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT |
           Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT;
  },

  newChannel(aURI, aLoadInfo) {
    // about: page inception!
    let newURI = Services.io.newURI(SELFCHROMEURL);
    let channel = Services.io.newChannelFromURIWithLoadInfo(newURI,
                                                            aLoadInfo);
    channel.originalURI = aURI;
    return channel;
  },

  createInstance(outer, iid) {
    if (outer != null) {
      throw Cr.NS_ERROR_NO_AGGREGATION;
    }
    return this.QueryInterface(iid);
  },

  register() {
    Cm.QueryInterface(Ci.nsIComponentRegistrar).registerFactory(
      Components.ID(TESTCLASSID), "Only here for a test",
      "@mozilla.org/network/protocol/about;1?what=testpageforsessionrestore", this);
  },

  unregister() {
    Cm.QueryInterface(Ci.nsIComponentRegistrar).unregisterFactory(
      Components.ID(TESTCLASSID), this);
  }
};


/**
 * Test that switching from a remote to a parent process browser
 * correctly clears the userTypedValue
 */
add_task(async function() {
  TestAboutPage.register();
  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, "http://example.com/", true, true);
  ok(tab.linkedBrowser.isRemoteBrowser, "Browser should be remote");

  let resolveLocationChangePromise;
  let locationChangePromise = new Promise(r => resolveLocationChangePromise = r);
  let wpl = {
    onStateChange(listener, request, state, status) {
      let location = request.QueryInterface(Ci.nsIChannel).originalURI;
      // Ignore about:blank loads.
      let docStop = Ci.nsIWebProgressListener.STATE_STOP |
                    Ci.nsIWebProgressListener.STATE_IS_NETWORK;
      if (location.spec == "about:blank" || (state & docStop) != docStop) {
        return;
      }
      is(location.spec, TESTURL, "Got the expected URL");
      resolveLocationChangePromise();
    },
  };
  gBrowser.addProgressListener(wpl);

  gURLBar.value = TESTURL;
  gURLBar.select();
  EventUtils.sendKey("return");

  await locationChangePromise;

  ok(!tab.linkedBrowser.isRemoteBrowser, "Browser should no longer be remote");

  is(gURLBar.textValue, TESTURL, "URL bar visible value should be correct.");
  is(gURLBar.value, TESTURL, "URL bar value should be correct.");
  is(gURLBar.getAttribute("pageproxystate"), "valid", "URL bar is in valid page proxy state");

  ok(!tab.linkedBrowser.userTypedValue, "No userTypedValue should be on the browser.");

  await BrowserTestUtils.removeTab(tab);
  gBrowser.removeProgressListener(wpl);
  TestAboutPage.unregister();
});
