/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

const BUTTON_POSITION_CANCEL = 1;
const BUTTON_POSITION_DONT_SAVE = 2;

function test() {
  waitForExplicitFinish();

  // Observer must be attached *before* Scratchpad is opened.
  CloseObserver.init();

  gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser);
  BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser).then(function() {
    openScratchpad(runTests);
  });

  gBrowser.loadURI("data:text/html;charset=utf8,<p>test browser last window closing</p>");
}

function runTests({ Scratchpad }) {
  const browser = Services.wm.getEnumerator("navigator:browser").getNext();
  const oldPrompt = Services.prompt;
  let button;

  Services.prompt = {
    confirmEx: () => button
  };

  Scratchpad.dirty = true;

  // Test canceling close.
  button = BUTTON_POSITION_CANCEL;
  CloseObserver.expectedValue = true;
  browser.BrowserTryToCloseWindow();

  // Test accepting close.
  button = BUTTON_POSITION_DONT_SAVE;
  CloseObserver.expectedValue = false;
  browser.BrowserTryToCloseWindow();

  // Test closing without prompt needed.
  Scratchpad.dirty = false;
  browser.BrowserTryToCloseWindow();

  Services.prompt = oldPrompt;
  CloseObserver.uninit();
  finish();
}

var CloseObserver = {
  expectedValue: null,
  init: function() {
    Services.obs.addObserver(this, "browser-lastwindow-close-requested");
  },

  observe: function(aSubject) {
    aSubject.QueryInterface(Ci.nsISupportsPRBool);
    const message = this.expectedValue ? "close" : "stay open";
    ok(this.expectedValue === aSubject.data, "Expected browser to " + message);
    aSubject.data = true;
  },

  uninit: function() {
    Services.obs.removeObserver(this, "browser-lastwindow-close-requested");
  },
};
