gecko/browser/base/content/test/browser_inspector_scrolling.js

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Inspector iframe Tests.
 *
 * The Initial Developer of the Original Code is
 * The Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Rob Campbell <rcampbell@mozilla.com>
 *   Mihai Șucan <mihai.sucan@gmail.com>
 *   Julian Viereck <jviereck@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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let doc;
let div;
let iframe;

function createDocument()
{
  doc.title = "Inspector scrolling Tests";

  iframe = doc.createElement("iframe");

  iframe.addEventListener("load", function () {
    iframe.removeEventListener("load", arguments.callee, false);

    div = iframe.contentDocument.createElement("div");
    div.textContent = "big div";
    div.setAttribute("style", "height:500px; width:500px; border:1px solid gray;");
    iframe.contentDocument.body.appendChild(div);
    toggleInspector();
  }, false);

  iframe.src = "data:text/html,foo bar";
  doc.body.appendChild(iframe);
}

function toggleInspector()
{
  Services.obs.addObserver(inspectNode, "inspector-opened", false);
  InspectorUI.toggleInspectorUI();
}

function inspectNode()
{
  Services.obs.removeObserver(inspectNode, "inspector-opened", false);
  document.addEventListener("popupshown", performScrollingTest, false);

  InspectorUI.inspectNode(div)
}

function performScrollingTest(aEvent)
{
  if (aEvent.target.id != "highlighter-panel") {
    return true;
  }

  document.removeEventListener("popupshown", performScrollingTest, false);

  EventUtils.synthesizeMouseScroll(aEvent.target, 10, 10,
    {axis:"vertical", delta:50, type:"MozMousePixelScroll"}, window);

  is(iframe.contentDocument.body.scrollTop, 50, "inspected iframe scrolled");

  InspectorUI.closeInspectorUI();
  gBrowser.removeCurrentTab();
  finish();
}

function test()
{
  waitForExplicitFinish();
  gBrowser.selectedTab = gBrowser.addTab();
  gBrowser.selectedBrowser.addEventListener("load", function() {
    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
    doc = content.document;
    waitForFocus(createDocument, content);
  }, true);

  content.location = "data:text/html,mouse scrolling test for inspector";
}