/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 2000-2003 Harri Porten (porten@kde.org)
 *  Copyright (C) 2001-2003 David Faure (faure@kde.org)
 *  Copyright (C) 2003 Apple Computer, Inc.
 *  Copyright (C) 2006, 2008-2010  Maksim Orlovich (maksim@kde.org)
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "kjs_window.h"
#include "kjs_data.h"

#include <khtmlview.h>
#include <khtml_part.h>
#include <khtmlpart_p.h>
#include <khtml_settings.h>
#include <xml/dom2_eventsimpl.h>
#include <xml/dom_docimpl.h>
#include <dom/html_document.h>
#include <html/html_documentimpl.h>
#include <rendering/render_frames.h>

#include <config-khtml.h>

#include <QTimer>
#include <QApplication>
#include <QDesktopWidget>
#include <qinputdialog.h>
#include "khtml_debug.h"
#include <kmessagebox.h>
#include <klocalizedstring.h>
#include <kparts/browserinterface.h>
#include <kwindowsystem.h>

#ifndef KONQ_EMBEDDED
#include <kbookmarkmanager.h>
#include <kbookmarkdialog.h>
#endif
#include <assert.h>
#include <QStyle>
#include <QTextDocument>
#include <kstringhandler.h>

#include "kjs_proxy.h"
#include "kjs_navigator.h"
#include "kjs_mozilla.h"
#include "kjs_html.h"
#include "kjs_range.h"
#include "kjs_traversal.h"
#include "kjs_css.h"
#include "kjs_events.h"
#include "kjs_audio.h"
#include "kjs_context2d.h"
#include "kjs_xpath.h"
#include "kjs_scriptable.h"
#include "xmlhttprequest.h"
#include "xmlserializer.h"
#include "domparser.h"
#include "kjs_arraybuffer.h"
#include "kjs_arraytyped.h"

#include <rendering/render_replaced.h>

using namespace KJS;
using namespace DOM;

namespace KJS
{

class History : public JSObject
{
    friend class HistoryFunc;
public:
    History(ExecState *exec, KHTMLPart *p)
        : JSObject(exec->lexicalInterpreter()->builtinObjectPrototype()), part(p) { }
    using KJS::JSObject::getOwnPropertySlot;
    bool getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot) override;
    JSValue *getValueProperty(ExecState *exec, int token) const;
    const ClassInfo *classInfo() const override
    {
        return &info;
    }
    static const ClassInfo info;
    enum { Back, Forward, Go, Length };
private:
    QPointer<KHTMLPart> part;
};

class External : public JSObject
{
    friend class ExternalFunc;
public:
    External(ExecState *exec, KHTMLPart *p)
        : JSObject(exec->lexicalInterpreter()->builtinObjectPrototype()), part(p) { }
    using KJS::JSObject::getOwnPropertySlot;
    bool getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot) override;
    const ClassInfo *classInfo() const override
    {
        return &info;
    }
    static const ClassInfo info;
    enum { AddFavorite };
private:
    QPointer<KHTMLPart> part;
};
} //namespace KJS

#include "kjs_window.lut.h"

namespace KJS
{

////////////////////// Screen Object ////////////////////////

// table for screen object
/*
@begin ScreenTable 7
  height        Screen::Height      DontEnum|ReadOnly
  width         Screen::Width       DontEnum|ReadOnly
  colorDepth    Screen::ColorDepth  DontEnum|ReadOnly
  pixelDepth    Screen::PixelDepth  DontEnum|ReadOnly
  availLeft     Screen::AvailLeft   DontEnum|ReadOnly
  availTop      Screen::AvailTop    DontEnum|ReadOnly
  availHeight   Screen::AvailHeight DontEnum|ReadOnly
  availWidth    Screen::AvailWidth  DontEnum|ReadOnly
@end
*/

const ClassInfo Screen::info = { "Screen", nullptr, &ScreenTable, nullptr };

// We set the object prototype so that toString is implemented
Screen::Screen(ExecState *exec)
    : JSObject(exec->lexicalInterpreter()->builtinObjectPrototype()) {}

bool Screen::getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot)
{
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "Screen::getPropertyName " << propertyName.qstring();
#endif
    return getStaticValueSlot<Screen, JSObject>(exec, &ScreenTable, this, propertyName, slot);
}

JSValue *Screen::getValueProperty(ExecState *exec, int token) const
{
    QWidget *thisWidget = Window::retrieveActive(exec)->part()->widget();
    QRect sg = QApplication::desktop()->screenGeometry(thisWidget);

    switch (token) {
    case Height:
        return jsNumber(sg.height());
    case Width:
        return jsNumber(sg.width());
    case ColorDepth:
    case PixelDepth:
        return jsNumber(thisWidget->depth());
    case AvailLeft: {
#if HAVE_X11 && ! defined K_WS_QTONLY
        QRect clipped = KWindowSystem::workArea().intersected(sg);
        return jsNumber(clipped.x() - sg.x());
#else
        return jsNumber(10);
#endif
    }
    case AvailTop: {
#if HAVE_X11 && ! defined K_WS_QTONLY
        QRect clipped = KWindowSystem::workArea().intersected(sg);
        return jsNumber(clipped.y() - sg.y());
#else
        return jsNumber(10);
#endif
    }
    case AvailHeight: {
#if HAVE_X11 && ! defined K_WS_QTONLY
        QRect clipped = KWindowSystem::workArea().intersected(sg);
        return jsNumber(clipped.height());
#else
        return jsNumber(100);
#endif
    }
    case AvailWidth: {
#if HAVE_X11 && ! defined K_WS_QTONLY
        QRect clipped = KWindowSystem::workArea().intersected(sg);
        return jsNumber(clipped.width());
#else
        return jsNumber(100);
#endif
    }
    default:
        // qCDebug(KHTML_LOG) << "WARNING: Screen::getValueProperty unhandled token " << token;
        return jsUndefined();
    }
}

////////////////////// Console Object ////////////////////////

// table for console object
/*
@begin ConsoleTable 7
  assert        Console::Assert     DontEnum|Function 1
  log           Console::Log        DontEnum|Function 1
  debug         Console::Debug      DontEnum|Function 1
  warn          Console::Warn       DontEnum|Function 1
  error         Console::Error      DontEnum|Function 1
  info          Console::Info       DontEnum|Function 1
  clear         Console::Clear      DontEnum|Function 0
@end
*/

KJS_IMPLEMENT_PROTOFUNC(ConsoleFunc)

const ClassInfo Console::info = { "Console", nullptr, &ConsoleTable, nullptr };

// We set the object prototype so that toString is implemented
Console::Console(ExecState *exec)
    : JSObject(exec->lexicalInterpreter()->builtinObjectPrototype()) {}

bool Console::getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot)
{
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "Console::getPropertyName " << propertyName.qstring();
#endif
    return getStaticFunctionSlot<ConsoleFunc, JSObject>(exec, &ConsoleTable, this, propertyName, slot);
}

void printMessage(Console::MessageType msgType, const UString &message)
{
    const char *type;
    switch (msgType) {
    case Console::DebugType:
        type = "DEBUG";
        break;
    case Console::ErrorType:
        type = "ERROR";
        break;
    case Console::InfoType:
        type = "INFO";
        break;
    case Console::LogType:
        type = "LOG";
        break;
    case Console::WarnType:
        type = "WARN";
        break;

    default:
        type = "UNKNOWN";
        ASSERT_NOT_REACHED();
    }
    // qCDebug(KHTML_LOG) << "[" << type << "]\t" << message.ascii();
}

JSValue *consolePrintf(ExecState *exec, Console::MessageType msgType, const List &args)
{
    if (!args[0]->isString()) {
        return jsUndefined();
    }
    UString output = args[0]->toString(exec);
    if (exec->hadException()) {
        return jsUndefined();
    }
    int size = output.size();
    int arg = 1;
    int last = 0;
    UString composedOutput;
    for (int i = 0; i < size; ++i) {
        if (!(output[i] == '%')) {
            continue;
        }
        if (i + 1 >= size) {
            break;
        }

        UString replace;
        switch (output[i + 1].uc) {
        case 's': {
            if (args[arg]->isString()) {
                replace = args[arg]->toString(exec);
                ++arg;
            }
            break;
        }
        case 'f':
        case 'i':
        case 'd': {
            if (args[arg]->isNumber()) {
                double val = args[arg]->toNumber(exec);
                replace = UString::from(val);
                ++arg;
            }
            break;
        }
        case 'o':
        case 'c':
            //not yet implemented skip me
            i += 1;
            ++arg;

        default:
            continue;
        }
        if (exec->hadException()) {
            return jsUndefined();
        }
        composedOutput += output.substr(last, i - last);
        composedOutput += replace;
        i += 1;
        last = i + 1;
    }

    if (last == 0) { // no % magic used, just copy the original
        composedOutput = output;
    } else {
        composedOutput += output.substr(last);
    }

    printMessage(msgType, composedOutput);
    return jsUndefined();
}

JSValue *ConsoleFunc::callAsFunction(ExecState *exec, JSObject * /*thisObj*/, const List &args)
{
    switch (id) {
    case Console::Assert: {
        JSType type = args[0]->type();
        bool assertFailed = false;
        switch (type) {
        case UnspecifiedType:
        case NullType:
        case UndefinedType:
            assertFailed = true;
            break;
        case BooleanType:
            assertFailed = !args[0]->getBoolean();
            break;
        case NumberType:
        case StringType:
        case ObjectType:
        case GetterSetterType:
            assertFailed = false;
            break;
        default:
            assertFailed = true;
            ASSERT_NOT_REACHED();
            break;
        }

        if (assertFailed) {
            // ignore further parameter for now..
            if (args.size() > 1 && args[1]->isString()) {
                printMessage(Console::ErrorType, args[1]->getString());
            } else {
                printMessage(Console::ErrorType, "Assert failed!");
            }
        }
        return jsUndefined();
    }
    case Console::Log:
        return consolePrintf(exec, Console::LogType, args);
    case Console::Debug:
        return consolePrintf(exec, Console::DebugType, args);
    case Console::Warn:
        return consolePrintf(exec, Console::WarnType, args);
    case Console::Error:
        return consolePrintf(exec, Console::ErrorType, args);
    case Console::Info:
        return consolePrintf(exec, Console::InfoType, args);
    case Console::Clear:
        // TODO: clear the console
        return jsUndefined();
    }
    return jsUndefined();
}

////////////////////// Window Object ////////////////////////

const ClassInfo Window::info = { "Window", &DOMAbstractView::info, &WindowTable, nullptr };

/*
@begin WindowTable 233
  atob      Window::AToB        DontDelete|Function 1
  btoa      Window::BToA        DontDelete|Function 1
  closed    Window::Closed      DontDelete|ReadOnly
  crypto    Window::Crypto      DontDelete|ReadOnly
  defaultStatus Window::DefaultStatus   DontDelete
  defaultstatus Window::DefaultStatus   DontDelete
  status    Window::Status      DontDelete
  document  Window::Document    DontDelete|ReadOnly
  frameElement      Window::FrameElement        DontDelete|ReadOnly
  frames    Window::Frames      DontDelete
  history   Window::_History    DontDelete|ReadOnly
  external  Window::_External   DontDelete|ReadOnly
  event     Window::Event       DontDelete|ReadOnly
  innerHeight   Window::InnerHeight DontDelete|ReadOnly
  innerWidth    Window::InnerWidth  DontDelete|ReadOnly
  length    Window::Length      DontDelete
  location  Window::_Location   DontDelete
  name      Window::Name        DontDelete
  navigator Window::_Navigator  DontDelete|ReadOnly
  clientInformation Window::ClientInformation   DontDelete|ReadOnly
  konqueror Window::_Konqueror  DontDelete
  offscreenBuffering    Window::OffscreenBuffering  DontDelete|ReadOnly
  opener    Window::Opener      DontDelete|ReadOnly
  outerHeight   Window::OuterHeight DontDelete|ReadOnly
  outerWidth    Window::OuterWidth  DontDelete|ReadOnly
  pageXOffset   Window::PageXOffset DontDelete|ReadOnly
  pageYOffset   Window::PageYOffset DontDelete|ReadOnly
  parent    Window::Parent      DontDelete
  personalbar   Window::Personalbar DontDelete
  screenX   Window::ScreenX     DontDelete|ReadOnly
  screenY   Window::ScreenY     DontDelete|ReadOnly
  scrollbars    Window::Scrollbars  DontDelete|ReadOnly
  scroll    Window::Scroll      DontDelete|Function 2
  scrollBy  Window::ScrollBy    DontDelete|Function 2
  scrollTo  Window::ScrollTo    DontDelete|Function 2
  scrollX       Window::ScrollX         DontDelete|ReadOnly
  scrollY       Window::ScrollY         DontDelete|ReadOnly
  moveBy    Window::MoveBy      DontDelete|Function 2
  moveTo    Window::MoveTo      DontDelete|Function 2
  postMessage Window::PostMessage DontDelete|Function 2
  resizeBy  Window::ResizeBy    DontDelete|Function 2
  resizeTo  Window::ResizeTo    DontDelete|Function 2
  self      Window::Self        DontDelete|ReadOnly
  window    Window::_Window     DontDelete|ReadOnly
  top       Window::Top     DontDelete
  screen    Window::_Screen     DontDelete|ReadOnly
  console   Window::_Console        DontDelete|ReadOnly
  alert     Window::Alert       DontDelete|Function 1
  confirm   Window::Confirm     DontDelete|Function 1
  prompt    Window::Prompt      DontDelete|Function 2
  open      Window::Open        DontDelete|Function 3
  setTimeout    Window::SetTimeout  DontDelete|Function 2
  clearTimeout  Window::ClearTimeout    DontDelete|Function 1
  focus     Window::Focus       DontDelete|Function 0
  blur      Window::Blur        DontDelete|Function 0
  close     Window::Close       DontDelete|Function 0
  setInterval   Window::SetInterval DontDelete|Function 2
  clearInterval Window::ClearInterval   DontDelete|Function 1
  captureEvents Window::CaptureEvents   DontDelete|Function 0
  releaseEvents Window::ReleaseEvents   DontDelete|Function 0
  print     Window::Print       DontDelete|Function 0
  addEventListener  Window::AddEventListener    DontDelete|Function 3
  removeEventListener   Window::RemoveEventListener DontDelete|Function 3
  getSelection  Window::GetSelection            DontDelete|Function 0
# Normally found in prototype. Add to window object itself to make them
# accessible in closed and cross-site windows
  valueOf       Window::ValueOf     DontEnum|DontDelete|Function 0
  toString      Window::ToString    DontEnum|DontDelete|Function 0
# IE extension
  navigate  Window::Navigate    DontDelete|Function 1
# Mozilla extension
  sidebar   Window::SideBar     DontDelete|DontEnum
  getComputedStyle  Window::GetComputedStyle    DontDelete|Function 2

# Warning, when adding a function to this object you need to add a case in Window::get

# Event handlers
# IE also has: onactivate, onbefore/afterprint, onbeforedeactivate/unload, oncontrolselect,
# ondeactivate, onhelp, onmovestart/end, onresizestart/end.
# It doesn't have onabort, onchange, ondragdrop (but NS has that last one).
  onabort   Window::Onabort     DontDelete
  onblur    Window::Onblur      DontDelete
  onchange  Window::Onchange    DontDelete
  onclick   Window::Onclick     DontDelete
  ondblclick    Window::Ondblclick  DontDelete
  ondragdrop    Window::Ondragdrop  DontDelete
  onerror   Window::Onerror     DontDelete
  onfocus   Window::Onfocus     DontDelete
  onkeydown Window::Onkeydown   DontDelete
  onkeypress    Window::Onkeypress  DontDelete
  onkeyup   Window::Onkeyup     DontDelete
  onload    Window::Onload      DontDelete
  onmessage   Window::Onmessage DontDelete
  onmousedown   Window::Onmousedown DontDelete
  onmousemove   Window::Onmousemove DontDelete
  onmouseout    Window::Onmouseout  DontDelete
  onmouseover   Window::Onmouseover DontDelete
  onmouseup Window::Onmouseup   DontDelete
  onmove    Window::Onmove      DontDelete
  onreset   Window::Onreset     DontDelete
  onresize  Window::Onresize    DontDelete
  onscroll      Window::Onscroll        DontDelete
  onselect  Window::Onselect    DontDelete
  onsubmit  Window::Onsubmit    DontDelete
  onunload  Window::Onunload    DontDelete
  onhashchange  Window::Onhashchange    DontDelete

# Constructors/constant tables
  Node      Window::Node        DontEnum|DontDelete
  Event     Window::EventCtor   DontEnum|DontDelete
  Range     Window::Range       DontEnum|DontDelete
  NodeFilter    Window::NodeFilter  DontEnum|DontDelete
  NodeList  Window::NodeList    DontEnum|DontDelete
  DOMException  Window::DOMException    DontEnum|DontDelete
  RangeException Window::RangeException DontEnum|DontDelete
  CSSRule   Window::CSSRule     DontEnum|DontDelete
  MutationEvent Window::MutationEventCtor   DontEnum|DontDelete
  MessageEvent Window::MessageEventCtor   DontEnum|DontDelete
  KeyboardEvent Window::KeyboardEventCtor   DontEnum|DontDelete
  EventException Window::EventExceptionCtor DontEnum|DontDelete
  HashChangeEvent Window::HashChangeEventCtor DontEnum|DontDelete
  Audio     Window::Audio       DontEnum|DontDelete
  Image     Window::Image       DontEnum|DontDelete
  Option    Window::Option      DontEnum|DontDelete
  XMLHttpRequest Window::XMLHttpRequest DontEnum|DontDelete
  XMLSerializer Window::XMLSerializer   DontEnum|DontDelete
  DOMParser Window::DOMParser   DontEnum|DontDelete
  ArrayBuffer   Window::ArrayBuffer   DontEnum|DontDelete
  Int8Array     Window::Int8Array     DontEnum|DontDelete
  Uint8Array    Window::Uint8Array    DontEnum|DontDelete
  Int16Array    Window::Int16Array    DontEnum|DontDelete
  Uint16Array   Window::Uint16Array   DontEnum|DontDelete
  Int32Array    Window::Int32Array    DontEnum|DontDelete
  Uint32Array   Window::Uint32Array   DontEnum|DontDelete
  Float32Array  Window::Float32Array  DontEnum|DontDelete
  Float64Array  Window::Float64Array  DontEnum|DontDelete

# Mozilla dom emulation ones.
  Element   Window::ElementCtor DontEnum|DontDelete
  Document  Window::DocumentCtor DontEnum|DontDelete
  DocumentFragment Window::DocumentFragmentCtor DontEnum|DontDelete
  #this one is an alias since we don't have a separate XMLDocument
  XMLDocument Window::DocumentCtor DontEnum|DontDelete
  HTMLElement  Window::HTMLElementCtor DontEnum|DontDelete
  HTMLDocument  Window::HTMLDocumentCtor DontEnum|DontDelete
  HTMLHtmlElement Window::HTMLHtmlElementCtor DontEnum|DontDelete
  HTMLHeadElement Window::HTMLHeadElementCtor DontEnum|DontDelete
  HTMLLinkElement Window::HTMLLinkElementCtor DontEnum|DontDelete
  HTMLTitleElement Window::HTMLTitleElementCtor DontEnum|DontDelete
  HTMLMetaElement Window::HTMLMetaElementCtor DontEnum|DontDelete
  HTMLBaseElement Window::HTMLBaseElementCtor DontEnum|DontDelete
  HTMLIsIndexElement Window::HTMLIsIndexElementCtor DontEnum|DontDelete
  HTMLStyleElement Window::HTMLStyleElementCtor DontEnum|DontDelete
  HTMLBodyElement Window::HTMLBodyElementCtor DontEnum|DontDelete
  HTMLFormElement Window::HTMLFormElementCtor DontEnum|DontDelete
  HTMLSelectElement Window::HTMLSelectElementCtor DontEnum|DontDelete
  HTMLOptGroupElement Window::HTMLOptGroupElementCtor DontEnum|DontDelete
  HTMLOptionElement Window::HTMLOptionElementCtor DontEnum|DontDelete
  HTMLInputElement Window::HTMLInputElementCtor DontEnum|DontDelete
  HTMLTextAreaElement Window::HTMLTextAreaElementCtor DontEnum|DontDelete
  HTMLButtonElement Window::HTMLButtonElementCtor DontEnum|DontDelete
  HTMLLabelElement Window::HTMLLabelElementCtor DontEnum|DontDelete
  HTMLFieldSetElement Window::HTMLFieldSetElementCtor DontEnum|DontDelete
  HTMLLegendElement Window::HTMLLegendElementCtor DontEnum|DontDelete
  HTMLUListElement Window::HTMLUListElementCtor DontEnum|DontDelete
  HTMLOListElement Window::HTMLOListElementCtor DontEnum|DontDelete
  HTMLDListElement Window::HTMLDListElementCtor DontEnum|DontDelete
  HTMLDirectoryElement Window::HTMLDirectoryElementCtor DontEnum|DontDelete
  HTMLMenuElement Window::HTMLMenuElementCtor DontEnum|DontDelete
  HTMLLIElement Window::HTMLLIElementCtor DontEnum|DontDelete
  HTMLDivElement Window::HTMLDivElementCtor DontEnum|DontDelete
  HTMLParagraphElement Window::HTMLParagraphElementCtor DontEnum|DontDelete
  HTMLHeadingElement Window::HTMLHeadingElementCtor DontEnum|DontDelete
  HTMLBlockQuoteElement Window::HTMLBlockQuoteElementCtor DontEnum|DontDelete
  HTMLQuoteElement Window::HTMLQuoteElementCtor DontEnum|DontDelete
  HTMLPreElement Window::HTMLPreElementCtor DontEnum|DontDelete
  HTMLBRElement Window::HTMLBRElementCtor DontEnum|DontDelete
  HTMLBaseFontElement Window::HTMLBaseFontElementCtor DontEnum|DontDelete
  HTMLFontElement Window::HTMLFontElementCtor DontEnum|DontDelete
  HTMLHRElement Window::HTMLHRElementCtor DontEnum|DontDelete
  HTMLModElement Window::HTMLModElementCtor DontEnum|DontDelete
  HTMLAnchorElement Window::HTMLAnchorElementCtor DontEnum|DontDelete
  HTMLImageElement Window::HTMLImageElementCtor DontEnum|DontDelete
  HTMLObjectElement Window::HTMLObjectElementCtor DontEnum|DontDelete
  HTMLParamElement Window::HTMLParamElementCtor DontEnum|DontDelete
  HTMLAppletElement Window::HTMLAppletElementCtor DontEnum|DontDelete
  HTMLMapElement Window::HTMLMapElementCtor DontEnum|DontDelete
  HTMLAreaElement Window::HTMLAreaElementCtor DontEnum|DontDelete
  HTMLScriptElement Window::HTMLScriptElementCtor DontEnum|DontDelete
  HTMLTableElement Window::HTMLTableElementCtor DontEnum|DontDelete
  HTMLTableCaptionElement Window::HTMLTableCaptionElementCtor DontEnum|DontDelete
  HTMLTableColElement Window::HTMLTableColElementCtor DontEnum|DontDelete
  HTMLTableSectionElement Window::HTMLTableSectionElementCtor DontEnum|DontDelete
  HTMLTableRowElement Window::HTMLTableRowElementCtor DontEnum|DontDelete
  HTMLTableCellElement Window::HTMLTableCellElementCtor DontEnum|DontDelete
  HTMLFrameSetElement Window::HTMLFrameSetElementCtor DontEnum|DontDelete
  HTMLLayerElement Window::HTMLLayerElementCtor DontEnum|DontDelete
  HTMLFrameElement Window::HTMLFrameElementCtor DontEnum|DontDelete
  HTMLIFrameElement Window::HTMLIFrameElementCtor DontEnum|DontDelete
  HTMLCollection Window::HTMLCollectionCtor DontEnum|DontDelete
  HTMLCanvasElement Window::HTMLCanvasElementCtor DontEnum|DontDelete
  CSSStyleDeclaration Window::CSSStyleDeclarationCtor DontEnum|DontDelete
  StyleSheet   Window::StyleSheetCtor DontEnum|DontDelete
  CanvasRenderingContext2D Window::Context2DCtor DontEnum|DontDelete
  SVGAngle Window::SVGAngleCtor DontEnum|DontDelete
  XPathResult Window::XPathResultCtor DontEnum|DontDelete
  XPathExpression Window::XPathExpressionCtor DontEnum|DontDelete
  XPathNSResolver Window::XPathNSResolverCtor DontEnum|DontDelete
@end
*/
KJS_IMPLEMENT_PROTOFUNC(WindowFunc)

Window::Window(khtml::ChildFrame *p)
    : JSGlobalObject(/*no proto*/), m_frame(p), screen(nullptr), console(nullptr), history(nullptr), external(nullptr), loc(nullptr), m_evt(nullptr)
{
    winq = new WindowQObject(this);
    //qCDebug(KHTML_LOG) << "Window::Window this=" << this << " part=" << m_part << " " << m_part->name();
}

Window::~Window()
{
    qDeleteAll(m_delayed);
    delete winq;
}

Window *Window::retrieveWindow(KParts::ReadOnlyPart *p)
{
    JSObject *obj = retrieve(p)->getObject();
#ifndef NDEBUG
    // obj should never be null, except when javascript has been disabled in that part.
    KHTMLPart *part = qobject_cast<KHTMLPart *>(p);
    if (part && part->jScriptEnabled()) {
        assert(obj);
        assert(dynamic_cast<KJS::Window *>(obj));  // type checking
    }
#endif
    if (!obj) { // JS disabled
        return nullptr;
    }
    return static_cast<KJS::Window *>(obj);
}

Window *Window::retrieveActive(ExecState *exec)
{
    JSValue *imp = exec->dynamicInterpreter()->globalObject();
    assert(imp);
    assert(dynamic_cast<KJS::Window *>(imp));
    return static_cast<KJS::Window *>(imp);
}

JSValue *Window::retrieve(KParts::ReadOnlyPart *p)
{
    assert(p);
    KHTMLPart *part = qobject_cast<KHTMLPart *>(p);
    KJSProxy *proxy = nullptr;
    if (!part) {
        part = qobject_cast<KHTMLPart *>(p->parent());
        if (part) {
            proxy = part->framejScript(p);
        }
    } else {
        proxy = part->jScript();
    }
    if (proxy) {
#ifdef KJS_VERBOSE
        qCDebug(KHTML_LOG) << "Window::retrieve part=" << part << " '" << part->objectName() << "' interpreter=" << proxy->interpreter() << " window=" << proxy->interpreter()->globalObject();
#endif
        return proxy->interpreter()->globalObject(); // the Global object is the "window"
    } else {
#ifdef KJS_VERBOSE
        qCDebug(KHTML_LOG) << "Window::retrieve part=" << p << " '" << p->objectName() << "' no jsproxy.";
#endif
        return jsUndefined(); // This can happen with JS disabled on the domain of that window
    }
}

Location *Window::location() const
{
    if (!loc) {
        const_cast<Window *>(this)->loc = new Location(m_frame);
    }
    return loc;
}

// reference our special objects during garbage collection
void Window::mark()
{
    JSObject::mark();
    if (screen && !screen->marked()) {
        screen->mark();
    }
    if (console && !console->marked()) {
        console->mark();
    }
    if (history && !history->marked()) {
        history->mark();
    }
    if (external && !external->marked()) {
        external->mark();
    }
    //qCDebug(KHTML_LOG) << "Window::mark " << this << " marking loc=" << loc;
    if (loc && !loc->marked()) {
        loc->mark();
    }
    if (winq) {
        winq->mark();
    }
    foreach (DelayedAction *action, m_delayed) {
        action->mark();
    }
}

UString Window::toString(ExecState *) const
{
    return "[object Window]";
}

bool Window::isCrossFrameAccessible(int token) const
{
    switch (token) {
    case Closed:
    case _Location: // No isSafeScript test here, we must be able to _set_ location.href (#49819)
    case _Window:
    case Self:
    case Frames:
    case Opener:
    case Parent:
    case Top:
    case Alert:
    case Confirm:
    case Prompt:
    case Open:
    case Close:
    case Focus:
    case Blur:
    case AToB:
    case BToA:
    case ValueOf:
    case ToString:
    case PostMessage:
        return true;
    default:
        return false;
    }
}

bool Window::getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot)
{
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "Window(" << this << ")::getOwnPropertySlot " << propertyName.qstring();
#endif

    // we want only limited operations on a closed window
    if (m_frame.isNull() || m_frame->m_part.isNull()) {
        const HashEntry *entry = Lookup::findEntry(&WindowTable, propertyName);
        if (entry) {
            switch (entry->value) {
            case Closed:
            case _Location:
            case ValueOf:
            case ToString:
                getSlotFromEntry<WindowFunc, Window>(entry, this, slot);
                return true;
            default:
                break;
            }
        }
        slot.setUndefined(this);
        return true;
    }

    bool safe = isSafeScript(exec);

    // Look for overrides first.
    JSValue **val = getDirectLocation(propertyName);
    if (val) {
        if (safe) {
            fillDirectLocationSlot(slot, val);
        } else {
            // We may need to permit access to the property map cross-frame in
            // order to pick up cross-frame accessible functions that got
            // cached as direct properties.
            const HashEntry *entry = Lookup::findEntry(&WindowTable, propertyName);
            if (entry && isCrossFrameAccessible(entry->value)) {
                fillDirectLocationSlot(slot, val);
            } else {
                slot.setUndefined(this);
            }
        }
        return true;
    }

    // The only stuff we permit XSS (besides cached things above) are
    // a few of hashtable properties.
    const HashEntry *entry = Lookup::findEntry(&WindowTable, propertyName);
    if (!safe && (!entry || !isCrossFrameAccessible(entry->value))) {
        slot.setUndefined(this);
        return true;
    }

    // invariant: accesses below this point are permitted by the XSS policy

    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part.data());

    if (entry) {
        // Things that work on any ReadOnlyPart first
        switch (entry->value) {
        case Closed:
        case _Location:
        case _Window:
        case Self:
            getSlotFromEntry<WindowFunc, Window>(entry, this, slot);
            return true;
        default:
            break;
        }

        if (!part) {
            slot.setUndefined(this);
            return true;
        }

        // KHTMLPart-specific next.

        // Disabled in NS-compat mode. Supported by default - can't hurt, unless someone uses
        // if (navigate) to test for IE (unlikely).
        if (entry->value == Navigate && exec->dynamicInterpreter()->compatMode() == Interpreter::NetscapeCompat) {
            slot.setUndefined(this);
            return true;
        }

        getSlotFromEntry<WindowFunc, Window>(entry, this, slot);
        return true;
    }

    if (!part) {
        // not a  KHTMLPart, so try to get plugin scripting stuff
        if (pluginRootGet(exec, m_frame->m_scriptable.data(), propertyName, slot)) {
            return true;
        }

        slot.setUndefined(this);
        return true;
    }

    // Now do frame indexing.
    KParts::ReadOnlyPart *rop = part->findFramePart(propertyName.qstring());
    if (rop) {
        slot.setCustom(this, framePartGetter);
        return true;
    }

    // allow window[1] or parent[1] etc. (#56983)
    bool ok;
    unsigned int i = propertyName.toArrayIndex(&ok);
    if (ok && frameByIndex(i)) {
        slot.setCustomIndex(this, i, indexGetterAdapter<Window>);
        return true;
    }

    // allow shortcuts like 'Image1' instead of document.images.Image1
    DOM::DocumentImpl *doc = part->xmlDocImpl();
    if (doc && doc->isHTMLDocument()) {
        DOM::ElementMappingCache::ItemInfo *info = doc->underDocNamedCache().get(propertyName.domString());
        if (info || doc->getElementById(propertyName.domString())) {
            slot.setCustom(this, namedItemGetter);
            return true;
        }
    }

    // This isn't necessarily a bug. Some code uses if(!window.blah) window.blah=1
    // But it can also mean something isn't loaded or implemented, hence the WARNING to help grepping.
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "WARNING: Window::get property not found: " << propertyName.qstring();
#endif

    return JSObject::getOwnPropertySlot(exec, propertyName, slot);
}

KParts::ReadOnlyPart *Window::frameByIndex(unsigned i)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    QList<KParts::ReadOnlyPart *> frames = part->frames();
    unsigned int len = frames.count();
    if (i < len) {
        KParts::ReadOnlyPart *frame = frames.at(i);
        return frame;
    }
    return nullptr;
}

JSValue *Window::indexGetter(ExecState *exec, unsigned index)
{
    Q_UNUSED(exec);
    KParts::ReadOnlyPart *frame = frameByIndex(index);
    if (frame) {
        return Window::retrieve(frame);
    }
    return jsUndefined(); //### ?
}

JSValue *Window::framePartGetter(ExecState *exec, JSObject *, const Identifier &propertyName, const PropertySlot &slot)
{
    Q_UNUSED(exec);
    Window *thisObj = static_cast<Window *>(slot.slotBase());
    KHTMLPart *part = qobject_cast<KHTMLPart *>(thisObj->m_frame->m_part);
    KParts::ReadOnlyPart *rop = part->findFramePart(propertyName.qstring());
    return thisObj->retrieve(rop);
}

JSValue *Window::namedItemGetter(ExecState *exec, JSObject *, const Identifier &p, const PropertySlot &slot)
{
    Window *thisObj = static_cast<Window *>(slot.slotBase());
    KHTMLPart *part = qobject_cast<KHTMLPart *>(thisObj->m_frame->m_part);
    DOM::DocumentImpl *doc = part->xmlDocImpl();

    DOM::ElementMappingCache::ItemInfo *info = doc->underDocNamedCache().get(p.domString());
    if (info) {
        if (info->nd) {
            return getDOMNode(exec, info->nd);
        } else {
            //No cached mapping, do it by hand...
            DOM::HTMLMappedNameCollectionImpl *coll = new DOM::HTMLMappedNameCollectionImpl(doc,
                    DOM::HTMLCollectionImpl::DOCUMENT_NAMED_ITEMS, p.domString());

            if (coll->length() == 1) {
                info->nd = static_cast<DOM::ElementImpl *>(coll->firstItem());
                delete coll;
                return getDOMNode(exec, info->nd);
            }
            return getHTMLCollection(exec, coll);
        }
    }

    DOM::ElementImpl *element = doc->getElementById(p.domString());
    return getDOMNode(exec, element);
}

JSValue *Window::getValueProperty(ExecState *exec, int token)
{
    KHTMLPart *part = m_frame.isNull() ? nullptr : qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part) {
        switch (token) {
        case Closed:
            return jsBoolean(true);
        case _Location:
            return jsNull();
        default:
            return jsUndefined();
        }
    }

    switch (token) {
    case Closed:
        return jsBoolean(!part);
    case _Location:
        // No isSafeScript test here, we must be able to _set_ location.href (#49819)
        return location();
    case _Window:
    case Self:
        return retrieve(part);
    case Frames:
        return this;
    case Opener:
        if (!part->opener()) {
            return jsNull();    // ### a null Window might be better, but == null
        } else {            // doesn't work yet
            return retrieve(part->opener());
        }
    case Parent:
        return retrieve(part && part->parentPart() ? part->parentPart() : (KHTMLPart *)part);
    case Top: {
        KHTMLPart *p = part;
        while (p->parentPart()) {
            p = p->parentPart();
        }
        return retrieve(p);
    }
    case Crypto:
        return jsUndefined(); // ###
    case DefaultStatus:
        return jsString(UString(part->jsDefaultStatusBarText()));
    case Status:
        return jsString(UString(part->jsStatusBarText()));
    case Document:
        return getDOMNode(exec, part->xmlDocImpl());
    case FrameElement:
        if (m_frame->m_partContainerElement) {
            return getDOMNode(exec, m_frame->m_partContainerElement.data());
        } else {
            return jsUndefined();
        }
    case Node:
        return NodeConstructor::self(exec);
    case Range:
        return getRangeConstructor(exec);
    case NodeFilter:
        return getNodeFilterConstructor(exec);
    case NodeList:
        return NodeListPseudoCtor::self(exec);
    case DOMException:
        return getDOMExceptionConstructor(exec);
    case RangeException:
        return RangeExceptionPseudoCtor::self(exec);
    case CSSRule:
        return getCSSRuleConstructor(exec);
    case ElementCtor:
        return ElementPseudoCtor::self(exec);
    case DocumentFragmentCtor:
        return DocumentFragmentPseudoCtor::self(exec);
    case HTMLElementCtor:
        return HTMLElementPseudoCtor::self(exec);
    case HTMLHtmlElementCtor:
        return HTMLHtmlElementPseudoCtor::self(exec);
    case HTMLHeadElementCtor:
        return HTMLHeadElementPseudoCtor::self(exec);
    case HTMLLinkElementCtor:
        return HTMLLinkElementPseudoCtor::self(exec);
    case HTMLTitleElementCtor:
        return HTMLTitleElementPseudoCtor::self(exec);
    case HTMLMetaElementCtor:
        return HTMLMetaElementPseudoCtor::self(exec);
    case HTMLBaseElementCtor:
        return HTMLBaseElementPseudoCtor::self(exec);
    case HTMLIsIndexElementCtor:
        return HTMLIsIndexElementPseudoCtor::self(exec);
    case HTMLStyleElementCtor:
        return HTMLStyleElementPseudoCtor::self(exec);
    case HTMLBodyElementCtor:
        return HTMLBodyElementPseudoCtor::self(exec);
    case HTMLFormElementCtor:
        return HTMLFormElementPseudoCtor::self(exec);
    case HTMLSelectElementCtor:
        return HTMLSelectElementPseudoCtor::self(exec);
    case HTMLOptGroupElementCtor:
        return HTMLOptGroupElementPseudoCtor::self(exec);
    case HTMLOptionElementCtor:
        return HTMLOptionElementPseudoCtor::self(exec);
    case HTMLInputElementCtor:
        return HTMLInputElementPseudoCtor::self(exec);
    case HTMLTextAreaElementCtor:
        return HTMLTextAreaElementPseudoCtor::self(exec);
    case HTMLButtonElementCtor:
        return HTMLButtonElementPseudoCtor::self(exec);
    case HTMLLabelElementCtor:
        return HTMLLabelElementPseudoCtor::self(exec);
    case HTMLFieldSetElementCtor:
        return HTMLFieldSetElementPseudoCtor::self(exec);
    case HTMLLegendElementCtor:
        return HTMLLegendElementPseudoCtor::self(exec);
    case HTMLUListElementCtor:
        return HTMLUListElementPseudoCtor::self(exec);
    case HTMLOListElementCtor:
        return HTMLOListElementPseudoCtor::self(exec);
    case HTMLDListElementCtor:
        return HTMLDListElementPseudoCtor::self(exec);
    case HTMLDirectoryElementCtor:
        return HTMLDirectoryElementPseudoCtor::self(exec);
    case HTMLMenuElementCtor:
        return HTMLMenuElementPseudoCtor::self(exec);
    case HTMLLIElementCtor:
        return HTMLLIElementPseudoCtor::self(exec);
    case HTMLDivElementCtor:
        return HTMLDivElementPseudoCtor::self(exec);
    case HTMLParagraphElementCtor:
        return HTMLParagraphElementPseudoCtor::self(exec);
    case HTMLHeadingElementCtor:
        return HTMLHeadingElementPseudoCtor::self(exec);
    case HTMLBlockQuoteElementCtor:
        return HTMLBlockQuoteElementPseudoCtor::self(exec);
    case HTMLQuoteElementCtor:
        return HTMLQuoteElementPseudoCtor::self(exec);
    case HTMLPreElementCtor:
        return HTMLPreElementPseudoCtor::self(exec);
    case HTMLBRElementCtor:
        return HTMLBRElementPseudoCtor::self(exec);
    case HTMLBaseFontElementCtor:
        return HTMLBaseFontElementPseudoCtor::self(exec);
    case HTMLFontElementCtor:
        return HTMLFontElementPseudoCtor::self(exec);
    case HTMLHRElementCtor:
        return HTMLHRElementPseudoCtor::self(exec);
    case HTMLModElementCtor:
        return HTMLModElementPseudoCtor::self(exec);
    case HTMLAnchorElementCtor:
        return HTMLAnchorElementPseudoCtor::self(exec);
    case HTMLImageElementCtor:
        return HTMLImageElementPseudoCtor::self(exec);
    case HTMLObjectElementCtor:
        return HTMLObjectElementPseudoCtor::self(exec);
    case HTMLParamElementCtor:
        return HTMLParamElementPseudoCtor::self(exec);
    case HTMLAppletElementCtor:
        return HTMLAppletElementPseudoCtor::self(exec);
    case HTMLMapElementCtor:
        return HTMLMapElementPseudoCtor::self(exec);
    case HTMLAreaElementCtor:
        return HTMLAreaElementPseudoCtor::self(exec);
    case HTMLScriptElementCtor:
        return HTMLScriptElementPseudoCtor::self(exec);
    case HTMLTableElementCtor:
        return HTMLTableElementPseudoCtor::self(exec);
    case HTMLTableCaptionElementCtor:
        return HTMLTableCaptionElementPseudoCtor::self(exec);
    case HTMLTableColElementCtor:
        return HTMLTableColElementPseudoCtor::self(exec);
    case HTMLTableSectionElementCtor:
        return HTMLTableSectionElementPseudoCtor::self(exec);
    case HTMLTableRowElementCtor:
        return HTMLTableRowElementPseudoCtor::self(exec);
    case HTMLTableCellElementCtor:
        return HTMLTableCellElementPseudoCtor::self(exec);
    case HTMLFrameSetElementCtor:
        return HTMLFrameSetElementPseudoCtor::self(exec);
    case HTMLLayerElementCtor:
        return HTMLLayerElementPseudoCtor::self(exec);
    case HTMLFrameElementCtor:
        return HTMLFrameElementPseudoCtor::self(exec);
    case HTMLIFrameElementCtor:
        return HTMLIFrameElementPseudoCtor::self(exec);
    case HTMLCollectionCtor:
        return HTMLCollectionPseudoCtor::self(exec);
    case HTMLCanvasElementCtor:
        return HTMLCanvasElementPseudoCtor::self(exec);
    case Context2DCtor:
        return Context2DPseudoCtor::self(exec);
    case SVGAngleCtor:
        return SVGAnglePseudoCtor::self(exec);
    case XPathResultCtor:
        return XPathResultPseudoCtor::self(exec);
    case XPathExpressionCtor:
        return XPathExpressionPseudoCtor::self(exec);
    case XPathNSResolverCtor:
        return XPathNSResolverPseudoCtor::self(exec);
    case DocumentCtor:
        return DocumentPseudoCtor::self(exec);
    case HTMLDocumentCtor:
        return HTMLDocumentPseudoCtor::self(exec);
    case CSSStyleDeclarationCtor:
        return CSSStyleDeclarationPseudoCtor::self(exec);
    case StyleSheetCtor:
        return DOMStyleSheetPseudoCtor::self(exec);
    case EventCtor:
        return EventConstructor::self(exec);
    case MessageEventCtor:
        return MessageEventPseudoCtor::self(exec);
    case HashChangeEventCtor:
        return HashChangeEventPseudoCtor::self(exec);
    case MutationEventCtor:
        return getMutationEventConstructor(exec);
    case KeyboardEventCtor:
        return getKeyboardEventConstructor(exec);
    case EventExceptionCtor:
        return getEventExceptionConstructor(exec);
    case _History:
        return history ? history :
               (const_cast<Window *>(this)->history = new History(exec, part));

    case _External:
        return external ? external :
               (const_cast<Window *>(this)->external = new External(exec, part));

    case Event:
        if (m_evt) {
            return getDOMEvent(exec, m_evt);
        } else {
#ifdef KJS_VERBOSE
            qCDebug(KHTML_LOG) << "WARNING: window(" << this << "," << part->objectName() << ").event, no event!";
#endif
            return jsUndefined();
        }
    case InnerHeight: {
        if (!part->view()) {
            return jsUndefined();
        }
        int ret = part->view()->visibleHeight();
        // match Gecko which does not subtract the scrollbars
        if (part->view()->horizontalScrollBar()->isVisible()) {
            ret += part->view()->horizontalScrollBar()->sizeHint().height();
        }
        return jsNumber(ret);
    }
    case InnerWidth: {
        if (!part->view()) {
            return jsUndefined();
        }
        int ret = part->view()->visibleWidth();
        // match Gecko which does not subtract the scrollbars
        if (part->view()->verticalScrollBar()->isVisible()) {
            ret += part->view()->verticalScrollBar()->sizeHint().width();
        }
        return jsNumber(ret);
    }
    case Length:
        return jsNumber(part->frames().count());
    case Name:
        return jsString(part->objectName());
    case SideBar:
        return new MozillaSidebarExtension(exec, part);
    case _Navigator:
    case ClientInformation: {
        // Store the navigator in the object so we get the same one each time.
        JSValue *nav(new Navigator(exec, part));
        const_cast<Window *>(this)->put(exec, "navigator", nav, DontDelete | ReadOnly | Internal);
        const_cast<Window *>(this)->put(exec, "clientInformation", nav, DontDelete | ReadOnly | Internal);
        return nav;
    }

    case OffscreenBuffering:
        return jsBoolean(true);
    case OuterHeight:
    case OuterWidth: {
#if HAVE_X11 && ! defined K_WS_QTONLY
        if (!part->widget()) {
            return jsNumber(0);
        }
        const KWindowInfo inf(part->widget()->topLevelWidget()->winId(), NET::WMGeometry);
        return jsNumber(token == OuterHeight ?
                        inf.geometry().height() : inf.geometry().width());
#else
        return jsNumber(token == OuterHeight ?
                        part->view()->height() : part->view()->width());
#endif
    }
    case PageXOffset:
        return jsNumber(part->view()->contentsX());
    case PageYOffset:
        return jsNumber(part->view()->contentsY());
    case Personalbar:
        return jsUndefined(); // ###
    case ScreenLeft:
    case ScreenX: {
        if (!part->view()) {
            return jsUndefined();
        }
        QRect sg = QApplication::desktop()->screenGeometry(part->view());
        return jsNumber(part->view()->mapToGlobal(QPoint(0, 0)).x() + sg.x());
    }
    case ScreenTop:
    case ScreenY: {
        if (!part->view()) {
            return jsUndefined();
        }
        QRect sg = QApplication::desktop()->screenGeometry(part->view());
        return jsNumber(part->view()->mapToGlobal(QPoint(0, 0)).y() + sg.y());
    }
    case ScrollX: {
        if (!part->view()) {
            return jsUndefined();
        }
        return jsNumber(part->view()->contentsX());
    }
    case ScrollY: {
        if (!part->view()) {
            return jsUndefined();
        }
        return jsNumber(part->view()->contentsY());
    }
    case Scrollbars:
        return new JSObject(); // ###
    case _Screen:
        return screen ? screen :
               (const_cast<Window *>(this)->screen = new Screen(exec));
    case _Console:
        return console ? console :
               (const_cast<Window *>(this)->console = new Console(exec));
    case Audio:
        return new AudioConstructorImp(exec, part->xmlDocImpl());
    case Image:
        return new ImageConstructorImp(exec, part->xmlDocImpl());
    case Option:
        return new OptionConstructorImp(exec, part->xmlDocImpl());
    case XMLHttpRequest:
        return new XMLHttpRequestConstructorImp(exec, part->xmlDocImpl());
    case XMLSerializer:
        return new XMLSerializerConstructorImp(exec);
    case DOMParser:
        return new DOMParserConstructorImp(exec, part->xmlDocImpl());
    case ArrayBuffer:
        return new ArrayBufferConstructorImp(exec, part->xmlDocImpl());
    case Int8Array:
        return new ArrayBufferConstructorImpInt8(exec, part->xmlDocImpl());
    case Uint8Array:
        return new ArrayBufferConstructorImpUint8(exec, part->xmlDocImpl());
    case Int16Array:
        return new ArrayBufferConstructorImpInt16(exec, part->xmlDocImpl());
    case Uint16Array:
        return new ArrayBufferConstructorImpUint16(exec, part->xmlDocImpl());
    case Int32Array:
        return new ArrayBufferConstructorImpInt32(exec, part->xmlDocImpl());
    case Uint32Array:
        return new ArrayBufferConstructorImpUint32(exec, part->xmlDocImpl());
    case Float32Array:
        return new ArrayBufferConstructorImpFloat32(exec, part->xmlDocImpl());
    case Float64Array:
        return new ArrayBufferConstructorImpFloat64(exec, part->xmlDocImpl());
    case Onabort:
        return getListener(exec, DOM::EventImpl::ABORT_EVENT);
    case Onblur:
        return getListener(exec, DOM::EventImpl::BLUR_EVENT);
    case Onchange:
        return getListener(exec, DOM::EventImpl::CHANGE_EVENT);
    case Onclick:
        return getListener(exec, DOM::EventImpl::KHTML_ECMA_CLICK_EVENT);
    case Ondblclick:
        return getListener(exec, DOM::EventImpl::KHTML_ECMA_DBLCLICK_EVENT);
    case Ondragdrop:
        return getListener(exec, DOM::EventImpl::KHTML_DRAGDROP_EVENT);
    case Onerror:
        return getListener(exec, DOM::EventImpl::ERROR_EVENT);
    case Onfocus:
        return getListener(exec, DOM::EventImpl::FOCUS_EVENT);
    case Onkeydown:
        return getListener(exec, DOM::EventImpl::KEYDOWN_EVENT);
    case Onkeypress:
        return getListener(exec, DOM::EventImpl::KEYPRESS_EVENT);
    case Onkeyup:
        return getListener(exec, DOM::EventImpl::KEYUP_EVENT);
    case Onload:
        return getListener(exec, DOM::EventImpl::LOAD_EVENT);
    case Onmessage:
        return getListener(exec, DOM::EventImpl::MESSAGE_EVENT);
    case Onmousedown:
        return getListener(exec, DOM::EventImpl::MOUSEDOWN_EVENT);
    case Onmousemove:
        return getListener(exec, DOM::EventImpl::MOUSEMOVE_EVENT);
    case Onmouseout:
        return getListener(exec, DOM::EventImpl::MOUSEOUT_EVENT);
    case Onmouseover:
        return getListener(exec, DOM::EventImpl::MOUSEOVER_EVENT);
    case Onmouseup:
        return getListener(exec, DOM::EventImpl::MOUSEUP_EVENT);
    case Onmove:
        return getListener(exec, DOM::EventImpl::KHTML_MOVE_EVENT);
    case Onreset:
        return getListener(exec, DOM::EventImpl::RESET_EVENT);
    case Onresize:
        return getListener(exec, DOM::EventImpl::RESIZE_EVENT);
    case Onscroll:
        return getListener(exec, DOM::EventImpl::SCROLL_EVENT);
    case Onselect:
        return getListener(exec, DOM::EventImpl::SELECT_EVENT);
    case Onsubmit:
        return getListener(exec, DOM::EventImpl::SUBMIT_EVENT);
    case Onunload:
        return getListener(exec, DOM::EventImpl::UNLOAD_EVENT);
    case Onhashchange:
        return getListener(exec, DOM::EventImpl::HASHCHANGE_EVENT);
    }

    return jsUndefined();
}

void Window::put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr)
{
    // we don't want any operations on a closed window
    if (m_frame.isNull() || m_frame->m_part.isNull()) {
        // ### throw exception? allow setting of some props like location?
        return;
    }

    // Called by an internal KJS call (e.g. InterpreterImp's constructor) ?
    // If yes, save time and jump directly to JSObject. We also have
    // to do this now since calling isSafeScript() may not work yet.
    if (attr != None && attr != DontDelete) {
        JSObject::put(exec, propertyName, value, attr);
        return;
    }

    // If we already have a variable, that's writeable w/o a getter/setter mess, just write to it.
    bool safe = isSafeScript(exec);
    if (safe) {
        if (JSValue **slot = getDirectWriteLocation(propertyName)) {
            *slot = value;
            return;
        }
    }

    const HashEntry *entry = Lookup::findEntry(&WindowTable, propertyName);
    if (entry) {
#ifdef KJS_VERBOSE
        qCDebug(KHTML_LOG) << "Window(" << this << ")::put " << propertyName.qstring();
#endif
        if (entry->value == _Location) {
            goURL(exec, value->toString(exec).qstring());
            return;
        }

        KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
        if (part) {
            switch (entry->value) {
            case Status: {
                if (isSafeScript(exec) && part->settings()->windowStatusPolicy(part->url().host())
                        == KHTMLSettings::KJSWindowStatusAllow) {
                    UString s = value->toString(exec);
                    part->setJSStatusBarText(s.qstring());
                }
                return;
            }
            case DefaultStatus: {
                if (isSafeScript(exec) && part->settings()->windowStatusPolicy(part->url().host())
                        == KHTMLSettings::KJSWindowStatusAllow) {
                    UString s = value->toString(exec);
                    part->setJSDefaultStatusBarText(s.qstring());
                }
                return;
            }
            case Onabort:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::ABORT_EVENT, value);
                }
                return;
            case Onblur:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::BLUR_EVENT, value);
                }
                return;
            case Onchange:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::CHANGE_EVENT, value);
                }
                return;
            case Onclick:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KHTML_ECMA_CLICK_EVENT, value);
                }
                return;
            case Ondblclick:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KHTML_ECMA_DBLCLICK_EVENT, value);
                }
                return;
            case Ondragdrop:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KHTML_DRAGDROP_EVENT, value);
                }
                return;
            case Onerror:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::ERROR_EVENT, value);
                }
                return;
            case Onfocus:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::FOCUS_EVENT, value);
                }
                return;
            case Onkeydown:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KEYDOWN_EVENT, value);
                }
                return;
            case Onkeypress:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KEYPRESS_EVENT, value);
                }
                return;
            case Onkeyup:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KEYUP_EVENT, value);
                }
                return;
            case Onload:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::LOAD_EVENT, value);
                }
                return;
            case Onmessage:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MESSAGE_EVENT, value);
                }
                return;
            case Onmousedown:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MOUSEDOWN_EVENT, value);
                }
                return;
            case Onmousemove:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MOUSEMOVE_EVENT, value);
                }
                return;
            case Onmouseout:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MOUSEOUT_EVENT, value);
                }
                return;
            case Onmouseover:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MOUSEOVER_EVENT, value);
                }
                return;
            case Onmouseup:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::MOUSEUP_EVENT, value);
                }
                return;
            case Onmove:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::KHTML_MOVE_EVENT, value);
                }
                return;
            case Onreset:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::RESET_EVENT, value);
                }
                return;
            case Onresize:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::RESIZE_EVENT, value);
                }
                return;
            case Onscroll:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::SCROLL_EVENT, value);
                }
                return;
            case Onselect:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::SELECT_EVENT, value);
                }
                return;
            case Onsubmit:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::SUBMIT_EVENT, value);
                }
                return;
            case Onunload:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::UNLOAD_EVENT, value);
                }
                return;
            case Onhashchange:
                if (isSafeScript(exec)) {
                    setListener(exec, DOM::EventImpl::HASHCHANGE_EVENT, value);
                }
                return;
            case Name:
                if (isSafeScript(exec)) {
                    part->setObjectName(value->toString(exec).qstring().toLocal8Bit().data());
                }
                return;
            default:
                break;
            }
        }
    }
    if (isSafeScript(exec) &&
            pluginRootPut(exec, m_frame->m_scriptable.data(), propertyName, value)) {
        return;
    }
    if (safe) {
        //qCDebug(KHTML_LOG) << "Window("<<this<<")::put storing " << propertyName.qstring();
        JSObject::put(exec, propertyName, value, attr);
    }
}

bool Window::toBoolean(ExecState *) const
{
    return !m_frame.isNull() && !m_frame->m_part.isNull();
}

DOM::AbstractViewImpl *Window::toAbstractView() const
{
    KHTMLPart *part = ::qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part || !part->xmlDocImpl()) {
        return nullptr;
    }
    return part->xmlDocImpl()->defaultView();
}

void Window::scheduleClose()
{
    // qCDebug(KHTML_LOG) << "Window::scheduleClose window.close() " << m_frame;
    Q_ASSERT(winq);
    QTimer::singleShot(0, winq, SLOT(timeoutClose()));
}

void Window::closeNow()
{
    if (m_frame.isNull() || m_frame->m_part.isNull()) {
        // qCDebug(KHTML_LOG) << "part is deleted already";
    } else {
        KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
        if (!part) {
            // qCDebug(KHTML_LOG) << "closeNow on non KHTML part";
        } else {
            //qCDebug(KHTML_LOG) << " -> closing window";
            // We want to make sure that window.open won't find this part by name.
            part->setObjectName(QString());
            part->deleteLater();
            part = nullptr;
        }
    }
}

void Window::afterScriptExecution()
{
    DOM::DocumentImpl::updateDocumentsRendering();
    const QList<DelayedAction *> delayedActions = m_delayed;
    m_delayed.clear();
    foreach (DelayedAction *act, delayedActions) {
        if (!act->execute(this)) {
            break;    // done with them
        }
    }
    qDeleteAll(delayedActions);
}

bool Window::checkIsSafeScript(KParts::ReadOnlyPart *activePart) const
{
    if (m_frame.isNull() || m_frame->m_part.isNull()) { // part deleted ? can't grant access
        // qCDebug(KHTML_LOG) << "Window::isSafeScript: accessing deleted part !";
        return false;
    }
    if (!activePart) {
        // qCDebug(KHTML_LOG) << "Window::isSafeScript: current interpreter's part is 0L!";
        return false;
    }
    if (activePart == m_frame->m_part) { // Not calling from another frame, no problem.
        return true;
    }

    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part) {
        return true;    // not a KHTMLPart
    }

    if (!part->xmlDocImpl()) {
        return true;    // allow to access a window that was just created (e.g. with window.open("about:blank"))
    }

    DOM::DocumentImpl *thisDocument = part->xmlDocImpl();

    KHTMLPart *activeKHTMLPart = qobject_cast<KHTMLPart *>(activePart);
    if (!activeKHTMLPart) {
        return true;    // not a KHTMLPart
    }

    DOM::DocumentImpl *actDocument = activeKHTMLPart->xmlDocImpl();
    if (!actDocument) {
        // qCDebug(KHTML_LOG) << "Window::isSafeScript: active part has no document!";
        return false;
    }
    khtml::SecurityOrigin *actDomain  = actDocument->origin();
    khtml::SecurityOrigin *thisDomain = thisDocument->origin();

    if (actDomain->canAccess(thisDomain)) {
#ifdef KJS_VERBOSE
        qCDebug(KHTML_LOG) << "JavaScript: access granted, domain is '" << actDomain.string() << "'";
#endif
        return true;
    }

    // qCDebug(KHTML_LOG) << "WARNING: JavaScript: access denied for current frame '" << actDomain->toString() << "' to frame '" << thisDomain->toString() << "'";
    // TODO after 3.1: throw security exception (exec->setException())
    return false;
}

void Window::setListener(ExecState *exec, int eventId, JSValue *func)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part || !isSafeScript(exec)) {
        return;
    }
    DOM::DocumentImpl *doc = static_cast<DOM::DocumentImpl *>(part->htmlDocument().handle());
    if (!doc) {
        return;
    }

    doc->setHTMLWindowEventListener(eventId, getJSEventListener(func, true));
}

JSValue *Window::getListener(ExecState *exec, int eventId) const
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part || !isSafeScript(exec)) {
        return jsUndefined();
    }
    DOM::DocumentImpl *doc = static_cast<DOM::DocumentImpl *>(part->htmlDocument().handle());
    if (!doc) {
        return jsUndefined();
    }

    DOM::EventListener *listener = doc->getHTMLWindowEventListener(eventId);
    if (listener && static_cast<JSEventListener *>(listener)->listenerObj()) {
        return static_cast<JSEventListener *>(listener)->listenerObj();
    } else {
        return jsNull();
    }
}

JSEventListener *Window::getJSEventListener(JSValue *val, bool html)
{
    // This function is so hot that it's worth coding it directly with imps.
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part || val->type() != ObjectType) {
        return nullptr;
    }

    // It's ObjectType, so it must be valid.
    JSObject *listenerObject = val->getObject();
    JSObject *thisObject = listenerObject;

    // 'listener' is not a simple ecma function. (Always use sanity checks: Better safe than sorry!)
    if (!listenerObject->implementsCall() && part && part->jScript() && part->jScript()->interpreter()) {
        Interpreter *interpreter = part->jScript()->interpreter();

        // 'listener' probably is an EventListener object containing a 'handleEvent' function.
        JSValue *handleEventValue = listenerObject->get(interpreter->globalExec(), Identifier("handleEvent"));
        JSObject *handleEventObject = handleEventValue->getObject();

        if (handleEventObject && handleEventObject->implementsCall()) {
            thisObject = listenerObject;
            listenerObject = handleEventObject;
        }
    }

    JSEventListener *existingListener = jsEventListeners.value(QPair<void *, bool>(thisObject, html));
    if (existingListener) {
        assert(existingListener->isHTMLEventListener() == html);
        return existingListener;
    }

    // Note that the JSEventListener constructor adds it to our jsEventListeners list
    return new JSEventListener(listenerObject, thisObject, this, html);
}

JSLazyEventListener *Window::getJSLazyEventListener(const QString &code, const QString &srcUrl, int line,
        const QString &name, DOM::NodeImpl *node, bool svg)
{
    return new JSLazyEventListener(code, srcUrl, line, name, this, node, svg);
}

void Window::clear(ExecState *exec)
{
    Q_UNUSED(exec);
    delete winq;
    qDeleteAll(m_delayed);
    m_delayed.clear();

    winq = nullptr;
    // Get rid of everything, those user vars could hold references to DOM nodes
    clearProperties();

    // Ditto for the special subobjects.
    screen   = nullptr;
    console  = nullptr;
    history  = nullptr;
    external = nullptr;
    loc      = nullptr;
    setPrototype(jsNull());

    // Break the dependency between the listeners and their object
    QHashIterator<const QPair<void *, bool>, JSEventListener *> it(jsEventListeners);
    while (it.hasNext()) {
        it.next();
        it.value()->clear();
    }

    // Forget about the listeners (the DOM::NodeImpls will delete them)
    jsEventListeners.clear();

    if (m_frame) {
        KJSProxy *proxy = m_frame->m_jscript;
        if (proxy) { // i.e. JS not disabled
            winq = new WindowQObject(this);
            // Now recreate a working global object for the next URL that will use us
            KJS::Interpreter *interpreter = proxy->interpreter();
            interpreter->initGlobalObject();
        }
    }
}

void Window::setCurrentEvent(DOM::EventImpl *evt)
{
    m_evt = evt;
    //qCDebug(KHTML_LOG) << "Window " << this << " (part=" << m_part << ")::setCurrentEvent m_evt=" << evt;
}

void Window::goURL(ExecState *exec, const QString &url, bool lockHistory)
{
    Window *active = Window::retrieveActive(exec);
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    KHTMLPart *active_part = qobject_cast<KHTMLPart *>(active->part());
    // Complete the URL using the "active part" (running interpreter)
    if (active_part && part) {
        QString dstUrl = active_part->htmlDocument().completeURL(url).string();
        // qCDebug(KHTML_LOG) << "Window::goURL dstUrl=" << dstUrl;

        // check if we're allowed to inject javascript
        if (!KHTMLPartPrivate::isJavaScriptURL(dstUrl) || isSafeScript(exec)) {
            part->scheduleRedirection(-1, dstUrl, lockHistory);
        }
    } else if (!part && m_frame->m_partContainerElement) {
        KParts::BrowserExtension *b = KParts::BrowserExtension::childObject(m_frame->m_part);
        if (b) {
            emit b->openUrlRequest(QUrl(m_frame->m_partContainerElement.data()->document()->completeURL(url)));
        }
        // qCDebug(KHTML_LOG) << "goURL for ROPart";
    }
}

class DelayedGoHistory: public Window::DelayedAction
{
public:
    DelayedGoHistory(int _steps): steps(_steps)
    {}

    bool execute(Window *win) override
    {
        win->goHistory(steps);
        return true;
    }
private:
    int steps;
};

void Window::delayedGoHistory(int steps)
{
    m_delayed.append(new DelayedGoHistory(steps));
}

void Window::goHistory(int steps)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part)
        // TODO history readonlypart
    {
        return;
    }
    KParts::BrowserExtension *ext = part->browserExtension();
    if (!ext) {
        return;
    }
    KParts::BrowserInterface *iface = ext->browserInterface();

    if (!iface) {
        return;
    }

    iface->callMethod("goHistory", steps);
    //emit ext->goHistory(steps);
}

void KJS::Window::resizeTo(QWidget *tl, int width, int height)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part)
        // TODO resizeTo readonlypart
    {
        return;
    }
    KParts::BrowserExtension *ext = part->browserExtension();
    if (!ext) {
        // qCDebug(KHTML_LOG) << "Window::resizeTo found no browserExtension";
        return;
    }

    // Security check: within desktop limits and bigger than 100x100 (per spec)
    if (width < 100 || height < 100) {
        // qCDebug(KHTML_LOG) << "Window::resizeTo refused, window would be too small ("<<width<<","<<height<<")";
        return;
    }

    QRect sg = QApplication::desktop()->screenGeometry(tl);

    if (width > sg.width() || height > sg.height()) {
        // qCDebug(KHTML_LOG) << "Window::resizeTo refused, window would be too big ("<<width<<","<<height<<")";
        return;
    }

    // qCDebug(KHTML_LOG) << "resizing to " << width << "x" << height;

    emit ext->resizeTopLevelWidget(width, height);

    // If the window is out of the desktop, move it up/left
    // (maybe we should use workarea instead of sg, otherwise the window ends up below kicker)
    int right = tl->x() + tl->frameGeometry().width();
    int bottom = tl->y() + tl->frameGeometry().height();
    int moveByX = 0;
    int moveByY = 0;
    if (right > sg.right()) {
        moveByX = - right + sg.right();    // always <0
    }
    if (bottom > sg.bottom()) {
        moveByY = - bottom + sg.bottom();    // always <0
    }
    if (moveByX || moveByY) {
        emit ext->moveTopLevelWidget(tl->x() + moveByX, tl->y() + moveByY);
    }
}

bool Window::targetIsExistingWindow(KHTMLPart *ourPart, const QString &frameName)
{
    QString normalized = frameName.toLower();
    if (normalized == "_top" || normalized == "_self" || normalized == "_parent") {
        return true;
    }

    // Find the highest parent part we can access.
    KHTMLPart *p = ourPart;
    while (p->parentPart() && p->parentPart()->checkFrameAccess(ourPart)) {
        p = p->parentPart();
    }

    return p->findFrame(frameName);
}

JSValue *Window::openWindow(ExecState *exec, const List &args)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    if (!part) {
        return jsUndefined();
    }
    KHTMLView *widget = part->view();
    JSValue *v = args[0];
    QString str;
    if (!v->isUndefinedOrNull()) {
        str = v->toString(exec).qstring();
    }

    // prepare arguments
    QUrl url;
    if (!str.isEmpty()) {
        KHTMLPart *p = qobject_cast<KHTMLPart *>(Window::retrieveActive(exec)->m_frame->m_part);
        if (p) {
            url = QUrl(p->htmlDocument().completeURL(str).string());
        }
        if (!p ||
                !static_cast<DOM::DocumentImpl *>(p->htmlDocument().handle())->isURLAllowed(url.url())) {
            return jsUndefined();
        }
    }

    KHTMLSettings::KJSWindowOpenPolicy policy =
        part->settings()->windowOpenPolicy(part->url().host());

    QString frameName = args.size() > 1 ? args[1]->toString(exec).qstring() : QString("_blank");

    // Always permit opening in an exist frame (including _self, etc.)
    if (targetIsExistingWindow(part, frameName)) {
        policy = KHTMLSettings::KJSWindowOpenAllow;
    }

    if (policy == KHTMLSettings::KJSWindowOpenAsk) {
        emit part->browserExtension()->requestFocus(part);
        QString caption;
        if (!part->url().host().isEmpty()) {
            caption = part->url().host() + " - ";
        }
        caption += i18n("Confirmation: JavaScript Popup");
        if (KMessageBox::questionYesNo(widget,
                                       str.isEmpty() ?
                                       i18n("This site is requesting to open up a new browser "
                                            "window via JavaScript.\n"
                                            "Do you want to allow this?") :
                                       i18n("<qt>This site is requesting to open<p>%1</p>in a new browser window via JavaScript.<br />"
                                            "Do you want to allow this?</qt>", KStringHandler::csqueeze(url.toDisplayString().toHtmlEscaped(),  100)),
                                       caption, KGuiItem(i18n("Allow")), KGuiItem(i18n("Do Not Allow"))) == KMessageBox::Yes) {
            policy = KHTMLSettings::KJSWindowOpenAllow;
        }
    } else if (policy == KHTMLSettings::KJSWindowOpenSmart) {
        // window.open disabled unless from a key/mouse event
        if (static_cast<ScriptInterpreter *>(exec->dynamicInterpreter())->isWindowOpenAllowed()) {
            policy = KHTMLSettings::KJSWindowOpenAllow;
        }
    }

    v = args[2];
    QString features;
    if (v && v->type() != UndefinedType && v->toString(exec).size() > 0) {
        features = v->toString(exec).qstring();
        // Buggy scripts have ' at beginning and end, cut those
        if (features.startsWith(QLatin1Char('\'')) &&
                features.endsWith(QLatin1Char('\''))) {
            features = features.mid(1, features.length() - 2);
        }
    }

    if (policy != KHTMLSettings::KJSWindowOpenAllow) {
        if (url.isEmpty()) {
            part->setSuppressedPopupIndicator(true, nullptr);
        } else {
            part->setSuppressedPopupIndicator(true, part);
            m_suppressedWindowInfo.append(SuppressedWindowInfo(url, frameName, features));
        }
        return jsUndefined();
    } else {
        return executeOpenWindow(exec, url, frameName, features);
    }
}

JSValue *Window::executeOpenWindow(ExecState *exec, const QUrl &url, const QString &frameName, const QString &features)
{
    KHTMLPart *p = qobject_cast<KHTMLPart *>(m_frame->m_part);
    KHTMLView *widget = p->view();
    KParts::WindowArgs winargs;

    // Split on commas and syntactic whitespace
    // Testcase: 'height=600, width=950 left = 30,top = 50,statusbar=0'
    static const QRegExp m(",|\\b\\s+(?!=)");

    // scan feature argument
    if (!features.isEmpty()) {
        // specifying window params means false defaults
        winargs.setMenuBarVisible(false);
        winargs.setToolBarsVisible(false);
        winargs.setStatusBarVisible(false);
        winargs.setScrollBarsVisible(false);
        const QStringList flist = features.trimmed().split(m);
        QStringList::ConstIterator it = flist.begin();
        while (it != flist.end()) {
            QString s = *it++;
            QString key, val;
            int pos = s.indexOf('=');
            if (pos >= 0) {
                key = s.left(pos).trimmed().toLower();
                val = s.mid(pos + 1).trimmed().toLower();
                QRect screen = QApplication::desktop()->screenGeometry(widget->topLevelWidget());

                if (key == "left" || key == "screenx") {
                    winargs.setX((int)val.toFloat() + screen.x());
                    if (winargs.x() < screen.x() || winargs.x() > screen.right()) {
                        winargs.setX(screen.x());    // only safe choice until size is determined
                    }
                } else if (key == "top" || key == "screeny") {
                    winargs.setY((int)val.toFloat() + screen.y());
                    if (winargs.y() < screen.y() || winargs.y() > screen.bottom()) {
                        winargs.setY(screen.y());    // only safe choice until size is determined
                    }
                } else if (key == "height") {
                    winargs.setHeight((int)val.toFloat() + 2 * qApp->style()->pixelMetric(QStyle::PM_DefaultFrameWidth) + 2);
                    if (winargs.height() > screen.height()) { // should actually check workspace
                        winargs.setHeight(screen.height());
                    }
                    if (winargs.height() < 100) {
                        winargs.setHeight(100);
                    }
                } else if (key == "width") {
                    winargs.setWidth((int)val.toFloat() + 2 * qApp->style()->pixelMetric(QStyle::PM_DefaultFrameWidth) + 2);
                    if (winargs.width() > screen.width()) {  // should actually check workspace
                        winargs.setWidth(screen.width());
                    }
                    if (winargs.width() < 100) {
                        winargs.setWidth(100);
                    }
                } else {
                    goto boolargs;
                }
                continue;
            } else {
                // leaving away the value gives true
                key = s.trimmed().toLower();
                val = "1";
            }
        boolargs:
            if (key == "menubar") {
                winargs.setMenuBarVisible(val == "1" || val == "yes");
            } else if (key == "toolbar") {
                winargs.setToolBarsVisible(val == "1" || val == "yes");
            } else if (key == "location") { // ### missing in WindowArgs
                winargs.setToolBarsVisible(val == "1" || val == "yes");
            } else if (key == "status" || key == "statusbar") {
                winargs.setStatusBarVisible(val == "1" || val == "yes");
            } else if (key == "scrollbars") {
                winargs.setScrollBarsVisible(val == "1" || val == "yes");
            } else if (key == "resizable") {
                winargs.setResizable(val == "1" || val == "yes");
            } else if (key == "fullscreen") {
                winargs.setFullScreen(val == "1" || val == "yes");
            }
        }
    }

    KParts::OpenUrlArguments args;
    KParts::BrowserArguments browserArgs;
    browserArgs.frameName = frameName;

    if (browserArgs.frameName.toLower() == "_top") {
        while (p->parentPart()) {
            p = p->parentPart();
        }
        Window::retrieveWindow(p)->goURL(exec, url.url());
        return Window::retrieve(p);
    }
    if (browserArgs.frameName.toLower() == "_parent") {
        if (p->parentPart()) {
            p = p->parentPart();
        }
        Window::retrieveWindow(p)->goURL(exec, url.url());
        return Window::retrieve(p);
    }
    if (browserArgs.frameName.toLower() == "_self") {
        Window::retrieveWindow(p)->goURL(exec, url.url());
        return Window::retrieve(p);
    }
    if (browserArgs.frameName.toLower() == "replace") {
        Window::retrieveWindow(p)->goURL(exec, url.url(), true/*lock history*/);
        return Window::retrieve(p);
    }
    args.setMimeType("text/html");
    args.setActionRequestedByUser(false);

    // request window (new or existing if framename is set)
    KParts::ReadOnlyPart *newPart = nullptr;
    emit p->browserExtension()->createNewWindow(QUrl(), args, browserArgs, winargs, &newPart);
    if (newPart && qobject_cast<KHTMLPart *>(newPart)) {
        KHTMLPart *khtmlpart = static_cast<KHTMLPart *>(newPart);
        //qDebug("opener set to %p (this Window's part) in new Window %p  (this Window=%p)",part,win,window);
        khtmlpart->setOpener(p);
        khtmlpart->setOpenedByJS(true);
        if (khtmlpart->document().isNull()) {
            khtmlpart->begin();
            khtmlpart->write("<HTML><BODY>");
            khtmlpart->end();
            if (p->docImpl()) {
                //qCDebug(KHTML_LOG) << "Setting domain to " << p->docImpl()->domain().string();
                khtmlpart->docImpl()->setOrigin(p->docImpl()->origin());
                khtmlpart->docImpl()->setBaseURL(p->docImpl()->baseURL());
            }
        }
        args.setMimeType(QString());
        if (browserArgs.frameName.toLower() == "_blank") {
            browserArgs.frameName.clear();
        }
        if (!url.isEmpty()) {
            emit khtmlpart->browserExtension()->openUrlRequest(url, args, browserArgs);
        }
        return Window::retrieve(khtmlpart); // global object
    } else {
        return jsUndefined();
    }
}

void Window::forgetSuppressedWindows()
{
    m_suppressedWindowInfo.clear();
}

void Window::showSuppressedWindows()
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(m_frame->m_part);
    KJS::Interpreter *interpreter = part->jScript()->interpreter();
    ExecState *exec = interpreter->globalExec();

    QList<SuppressedWindowInfo> suppressedWindowInfo = m_suppressedWindowInfo;
    m_suppressedWindowInfo.clear();
    foreach (const SuppressedWindowInfo &info, suppressedWindowInfo) {
        executeOpenWindow(exec, info.url, info.frameName, info.features);
    }
}

class DelayedClose: public Window::DelayedAction
{
public:
    bool execute(Window *win) override
    {
        win->scheduleClose();
        return false;
    }
private:
    int steps;
};

JSValue *WindowFunc::callAsFunction(ExecState *exec, JSObject *thisObj, const List &args)
{
    KJS_CHECK_THIS(Window, thisObj);

    // these should work no matter whether the window is already
    // closed or not
    if (id == Window::ValueOf || id == Window::ToString) {
        return jsString("[object Window]");
    }

    Window *window = static_cast<Window *>(thisObj);
    QString str, str2;

    KHTMLPart *part = qobject_cast<KHTMLPart *>(window->m_frame->m_part);
    if (!part) {
        return jsUndefined();
    }

    KHTMLView *widget = part->view();
    JSValue *v = args[0];
    UString s;
    s = v->toString(exec);
    str = s.qstring();

    QString caption;
    if (part && !part->url().host().isEmpty()) {
        caption = part->url().host() + " - ";
    }
    caption += "JavaScript"; // TODO: i18n
    // functions that work everywhere
    switch (id) {
    case Window::Alert: {
        TimerPauser pause(exec);
        if (!widget->dialogsAllowed()) {
            return jsUndefined();
        }
        if (part && part->xmlDocImpl()) {
            part->xmlDocImpl()->updateRendering();
        }
        if (part) {
            emit part->browserExtension()->requestFocus(part);
        }
        KMessageBox::error(widget, Qt::convertFromPlainText(str), caption);
        return jsUndefined();
    }
    case Window::Confirm: {
        TimerPauser pause(exec);
        if (!widget->dialogsAllowed()) {
            return jsUndefined();
        }
        if (part && part->xmlDocImpl()) {
            part->xmlDocImpl()->updateRendering();
        }
        if (part) {
            emit part->browserExtension()->requestFocus(part);
        }
        return jsBoolean((KMessageBox::warningYesNo(widget, Qt::convertFromPlainText(str), caption,
                          KStandardGuiItem::ok(), KStandardGuiItem::cancel()) == KMessageBox::Yes));
    }
    case Window::Prompt: {
        TimerPauser pause(exec);
#ifndef KONQ_EMBEDDED
        if (!widget->dialogsAllowed()) {
            return jsUndefined();
        }
        if (part && part->xmlDocImpl()) {
            part->xmlDocImpl()->updateRendering();
        }
        if (part) {
            emit part->browserExtension()->requestFocus(part);
        }
        bool ok;
        if (args.size() >= 2)
            str2 = QInputDialog::getText(widget, caption,
                                         Qt::convertFromPlainText(str), QLineEdit::Normal,
                                         args[1]->toString(exec).qstring(), &ok);
        else
            str2 = QInputDialog::getText(widget, caption,
                                         Qt::convertFromPlainText(str),
                                         QLineEdit::Normal, QString(), &ok);
        if (ok) {
            return jsString(UString(str2));
        } else {
            return jsNull();
        }
#else
        return jsUndefined();
#endif
    }
    case Window::GetComputedStyle:  {
        if (!part || !part->xmlDocImpl()) {
            return jsUndefined();
        }
        DOM::NodeImpl *arg0 = toNode(args[0]);
        if (!arg0 || arg0->nodeType() != DOM::Node::ELEMENT_NODE) {
            return jsUndefined();    // throw exception?
        } else
            return getDOMCSSStyleDeclaration(exec, part->xmlDocImpl()->defaultView()->getComputedStyle(
                                                 static_cast<DOM::ElementImpl *>(arg0), args[1]->toString(exec).domString().implementation()));
    }
    case Window::Open:
        return window->openWindow(exec, args);
    case Window::Close: {
        /* From http://developer.netscape.com/docs/manuals/js/client/jsref/window.htm :
           The close method closes only windows opened by JavaScript using the open method.
           If you attempt to close any other window, a confirm is generated, which
           lets the user choose whether the window closes.
           This is a security feature to prevent "mail bombs" containing self.close().
           However, if the window has only one document (the current one) in its
           session history, the close is allowed without any confirm. This is a
           special case for one-off windows that need to open other windows and
           then dispose of themselves.
        */
        bool doClose = false;
        if (!part->openedByJS()) {
            // To conform to the SPEC, we only ask if the window
            // has more than one entry in the history (NS does that too).
            History history(exec, part);

            if (history.get(exec, "length")->toInt32(exec) <= 1) {
                doClose = true;
            } else {
                // Can we get this dialog with tabs??? Does it close the window or the tab in that case?
                emit part->browserExtension()->requestFocus(part);
                if (KMessageBox::questionYesNo(window->part()->widget(),
                                               i18n("Close window?"), i18n("Confirmation Required"),
                                               KStandardGuiItem::close(), KStandardGuiItem::cancel())
                        == KMessageBox::Yes) {
                    doClose = true;
                }
            }
        } else {
            doClose = true;
        }

        if (doClose) {
            // If this is the current window (the one the interpreter runs in),
            // then schedule a delayed close (so that the script terminates first).
            // But otherwise, close immediately. This fixes w=window.open("","name");w.close();window.open("name");
            if (Window::retrieveActive(exec) == window) {
                if (widget) {
                    // quit all dialogs of this view
                    // this fixes 'setTimeout('self.close()',1000); alert("Hi");' crash
                    widget->closeChildDialogs();
                }
                //qCDebug(KHTML_LOG) << "scheduling delayed close";
                // We'll close the window at the end of the script execution
                Window *w = const_cast<Window *>(window);
                w->m_delayed.append(new DelayedClose);
            } else {
                //qCDebug(KHTML_LOG) << "closing NOW";
                (const_cast<Window *>(window))->closeNow();
            }
        }
        return jsUndefined();
    }
    case Window::GetSelection:
        return new KJS::DOMSelection(exec, part->xmlDocImpl());

    case Window::Navigate:
        window->goURL(exec, args[0]->toString(exec).qstring());
        return jsUndefined();
    case Window::Focus: {
        KHTMLSettings::KJSWindowFocusPolicy policy =
            part->settings()->windowFocusPolicy(part->url().host());
        if (policy == KHTMLSettings::KJSWindowFocusAllow && widget) {
            widget->topLevelWidget()->raise();
#if HAVE_X11
            KWindowSystem::unminimizeWindow(widget->topLevelWidget()->winId());
#else
            //TODO
#endif
            widget->activateWindow();
            emit part->browserExtension()->requestFocus(part);
        }
        return jsUndefined();
    }
    case Window::Blur:
        // TODO
        return jsUndefined();
    case Window::BToA:
    case Window::AToB: {
        if (!s.is8Bit()) {
            return jsUndefined();
        }
        QByteArray  in, out;
        char *binData = s.ascii();
        in = QByteArray(binData, s.size());
        if (id == Window::AToB) {
            out = QByteArray::fromBase64(in);
        } else {
            out = in.toBase64();
        }
        UChar *d = new UChar[out.size()];
        for (int i = 0; i < out.size(); i++) {
            d[i].uc = (uchar) out[i];
        }
        UString ret(d, out.size(), false /*no copy*/);
        return jsString(ret);
    }
    case Window::PostMessage: {
        // Get our own origin.
        if (!part->xmlDocImpl()) {
            setDOMException(exec, DOM::DOMException::SECURITY_ERR);
            return jsUndefined();
        }

        QString sourceOrigin = part->xmlDocImpl()->origin()->toString();
        QString targetOrigin = args[1]->toString(exec).qstring();
        QUrl    targetURL(targetOrigin);
        // qCDebug(KHTML_LOG) << "postMessage targetting:" << targetOrigin;

        // Make sure we get * or an absolute URL for target origin
        if (targetOrigin != QLatin1String("*") &&
                !(targetURL.isValid() && !targetURL.isRelative() && !targetURL.isEmpty())) {
            setDOMException(exec, DOM::DOMException::SYNTAX_ERR);
            return jsUndefined();
        }

        // Grab a snapshot of the data. Unfortunately it means we copy it
        // twice, but it's simpler than having separate code for swizzling
        // prototype pointers.
        JSValue *payload = cloneData(exec, args[0]);

        // Queue the actual action, for after script execution.
        window->m_delayed.append(new DelayedPostMessage(part, sourceOrigin, targetOrigin, payload));
    }

    };

    // now unsafe functions..
    if (!window->isSafeScript(exec)) {
        return jsUndefined();
    }

    switch (id) {
    case Window::ScrollBy:
        if (args.size() == 2 && widget) {
            widget->scrollBy(args[0]->toInt32(exec), args[1]->toInt32(exec));
        }
        return jsUndefined();
    case Window::Scroll:
    case Window::ScrollTo:
        if (args.size() == 2 && widget) {
            widget->setContentsPos(args[0]->toInt32(exec), args[1]->toInt32(exec));
        }
        return jsUndefined();
    case Window::MoveBy: {
        KHTMLSettings::KJSWindowMovePolicy policy =
            part->settings()->windowMovePolicy(part->url().host());
        if (policy == KHTMLSettings::KJSWindowMoveAllow && args.size() == 2 && widget) {
            KParts::BrowserExtension *ext = part->browserExtension();
            if (ext) {
                QWidget *tl = widget->topLevelWidget();
                QRect sg = QApplication::desktop()->screenGeometry(tl);

                QPoint dest = tl->pos() + QPoint(args[0]->toInt32(exec), args[1]->toInt32(exec));
                // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
                if (dest.x() >= sg.x() && dest.y() >= sg.x() &&
                        dest.x() + tl->width() <= sg.width() + sg.x() &&
                        dest.y() + tl->height() <= sg.height() + sg.y()) {
                    emit ext->moveTopLevelWidget(dest.x(), dest.y());
                }
            }
        }
        return jsUndefined();
    }
    case Window::MoveTo: {
        KHTMLSettings::KJSWindowMovePolicy policy =
            part->settings()->windowMovePolicy(part->url().host());
        if (policy == KHTMLSettings::KJSWindowMoveAllow && args.size() == 2 && widget) {
            KParts::BrowserExtension *ext = part->browserExtension();
            if (ext) {
                QWidget *tl = widget->topLevelWidget();
                QRect sg = QApplication::desktop()->screenGeometry(tl);

                QPoint dest(args[0]->toInt32(exec) + sg.x(), args[1]->toInt32(exec) + sg.y());
                // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
                if (dest.x() >= sg.x() && dest.y() >= sg.y() &&
                        dest.x() + tl->width() <= sg.width() + sg.x() &&
                        dest.y() + tl->height() <= sg.height() + sg.y()) {
                    emit ext->moveTopLevelWidget(dest.x(), dest.y());
                }
            }
        }
        return jsUndefined();
    }
    case Window::ResizeBy: {
        KHTMLSettings::KJSWindowResizePolicy policy =
            part->settings()->windowResizePolicy(part->url().host());
        if (policy == KHTMLSettings::KJSWindowResizeAllow
                && args.size() == 2 && widget) {
            QWidget *tl = widget->topLevelWidget();
            QRect geom = tl->frameGeometry();
            window->resizeTo(tl,
                             geom.width() + args[0]->toInt32(exec),
                             geom.height() + args[1]->toInt32(exec));
        }
        return jsUndefined();
    }
    case Window::ResizeTo: {
        KHTMLSettings::KJSWindowResizePolicy policy =
            part->settings()->windowResizePolicy(part->url().host());
        if (policy == KHTMLSettings::KJSWindowResizeAllow
                && args.size() == 2 && widget) {
            QWidget *tl = widget->topLevelWidget();
            window->resizeTo(tl, args[0]->toInt32(exec), args[1]->toInt32(exec));
        }
        return jsUndefined();
    }
    case Window::SetTimeout:
    case Window::SetInterval: {
        bool singleShot;
        int i; // timeout interval
        if (args.size() == 0) {
            return jsUndefined();
        }
        if (args.size() > 1) {
            singleShot = (id == Window::SetTimeout);
            i = args[1]->toInt32(exec);
        } else {
            // second parameter is missing. Emulate Mozilla behavior.
            singleShot = true;
            i = 4;
        }
        if (v->type() == StringType) {
            int r = (const_cast<Window *>(window))->winq->installTimeout(Identifier(s), i, singleShot);
            return jsNumber(r);
        } else if (v->type() == ObjectType && v->getObject()->implementsCall()) {
            JSObject *func = v->getObject();
            List funcArgs;
            ListIterator it = args.begin();
            int argno = 0;
            while (it != args.end()) {
                JSValue *arg = it++;
                if (argno++ >= 2) {
                    funcArgs.append(arg);
                }
            }
            if (args.size() < 2) {
                funcArgs.append(jsNumber(i));
            }
            int r = (const_cast<Window *>(window))->winq->installTimeout(func, funcArgs, i, singleShot);
            return jsNumber(r);
        } else {
            return jsUndefined();
        }
    }
    case Window::ClearTimeout:
    case Window::ClearInterval:
        (const_cast<Window *>(window))->winq->clearTimeout(v->toInt32(exec));
        return jsUndefined();
    case Window::Print:
        if (widget) {
            // ### TODO emit onbeforeprint event
            widget->print();
            // ### TODO emit onafterprint event
        }
    case Window::CaptureEvents:
    case Window::ReleaseEvents:
        // Do nothing for now. These are NS-specific legacy calls.
        break;
    case Window::AddEventListener: {
        JSEventListener *listener = Window::retrieveActive(exec)->getJSEventListener(args[1]);
        if (listener) {
            DOM::DocumentImpl *docimpl = static_cast<DOM::DocumentImpl *>(part->document().handle());
            if (docimpl) {
                docimpl->addWindowEventListener(EventName::fromString(args[0]->toString(exec).domString()), listener, args[2]->toBoolean(exec));
            } else {
                qCWarning(KHTML_LOG) << "document missing on Window::AddEventListener. why?";
            }
        }
        return jsUndefined();
    }
    case Window::RemoveEventListener: {
        JSEventListener *listener = Window::retrieveActive(exec)->getJSEventListener(args[1]);
        if (listener) {
            DOM::DocumentImpl *docimpl = static_cast<DOM::DocumentImpl *>(part->document().handle());
            if (docimpl) {
                docimpl->removeWindowEventListener(EventName::fromString(args[0]->toString(exec).domString()), listener, args[2]->toBoolean(exec));
            } else {
                qCWarning(KHTML_LOG) << "document missing on Window::RemoveEventListener. why?";
            }
        }
        return jsUndefined();
    }

    }
    return jsUndefined();
}

////////////////////// ScheduledAction ////////////////////////

ScheduledAction::ScheduledAction(JSObject *_func, const List &_args, const DateTimeMS &_nextTime, int _interval, bool _singleShot,
                                 int _timerId)
{
    //qCDebug(KHTML_LOG) << "ScheduledAction::ScheduledAction(isFunction) " << this;
    func = static_cast<JSObject *>(_func);
    args = _args;
    isFunction = true;
    singleShot = _singleShot;
    nextTime = _nextTime;
    interval = _interval;
    executing = false;
    timerId = _timerId;
}

ScheduledAction::ScheduledAction(const QString &_code, const DateTimeMS &_nextTime, int _interval, bool _singleShot, int _timerId)
{
    //qCDebug(KHTML_LOG) << "ScheduledAction::ScheduledAction(!isFunction) " << this;
    //func = 0;
    //args = 0;
    func = nullptr;
    code = _code;
    isFunction = false;
    singleShot = _singleShot;
    nextTime = _nextTime;
    interval = _interval;
    executing = false;
    timerId = _timerId;
}

bool ScheduledAction::execute(Window *window)
{
    KHTMLPart *part = qobject_cast<KHTMLPart *>(window->m_frame->m_part);
    if (!part || !part->jScriptEnabled()) {
        return false;
    }
    ScriptInterpreter *interpreter = static_cast<ScriptInterpreter *>(part->jScript()->interpreter());

    interpreter->setProcessingTimerCallback(true);

    //qCDebug(KHTML_LOG) << "ScheduledAction::execute " << this;
    if (isFunction) {
        if (func->implementsCall()) {
            // #### check this
            Q_ASSERT(part);
            if (part) {
                KJS::Interpreter *interpreter = part->jScript()->interpreter();
                ExecState *exec = interpreter->globalExec();
                Q_ASSERT(window == interpreter->globalObject());
                JSObject *obj(window);
                func->call(exec, obj, args); // note that call() creates its own execution state for the func call
                if (exec->hadException()) {
                    exec->clearException();
                }

                // Update our document's rendering following the execution of the timeout callback.
                part->document().updateRendering();
            }
        }
    } else {
        part->executeScript(DOM::Node(), code);
    }

    interpreter->setProcessingTimerCallback(false);
    return true;
}

void ScheduledAction::mark()
{
    if (func && !func->marked()) {
        func->mark();
    }
}

ScheduledAction::~ScheduledAction()
{
    args.reset();
    //qCDebug(KHTML_LOG) << "ScheduledAction::~ScheduledAction " << this;
}

////////////////////// WindowQObject ////////////////////////

WindowQObject::WindowQObject(Window *w)
    : parent(w)
{
    //qCDebug(KHTML_LOG) << "WindowQObject::WindowQObject " << this;
    if (!parent->m_frame) {
        // qCDebug(KHTML_LOG) << "WARNING: null part in " ;
    } else
        connect(parent->m_frame, SIGNAL(destroyed()),
                this, SLOT(parentDestroyed()));
    pauseLevel  = 0;
    lastTimerId = 0;
    currentlyDispatching = false;
}

WindowQObject::~WindowQObject()
{
    //qCDebug(KHTML_LOG) << "WindowQObject::~WindowQObject " << this;
    parentDestroyed(); // reuse same code
}

void WindowQObject::parentDestroyed()
{
    killTimers();

    while (!scheduledActions.isEmpty()) {
        delete scheduledActions.takeFirst();
    }
    scheduledActions.clear();
}

void WindowQObject::pauseTimers()
{
    ++pauseLevel;
    if (pauseLevel == 1) {
        pauseStart = DateTimeMS::now();
    }
}

void WindowQObject::resumeTimers()
{
    if (pauseLevel == 1) {
        // Adjust all timers by the delay length, making sure there is a minimum
        // margin from current time, however, so we don't go stampeding off if
        // there is some unwanted recursion, etc.
        DateTimeMS curTime          = DateTimeMS::now();
        DateTimeMS earliestDispatch = curTime.addMSecs(5);
        int delay = pauseStart.msecsTo(curTime);
        foreach (ScheduledAction *action, scheduledActions) {
            action->nextTime = action->nextTime.addMSecs(delay);
            if (earliestDispatch > action->nextTime) {
                action->nextTime = earliestDispatch;
            }
        }

        // Dispatch any timers that may have been ignored if ::timerEvent fell in the middle
        // of a pause..
        timerEvent(nullptr);
    }

    --pauseLevel; // We do it afterwards so that timerEvent can know about us.
}

int WindowQObject::installTimeout(const Identifier &handler, int t, bool singleShot)
{
    int id = ++lastTimerId;
    if (t < 10) {
        t = 10;
    }
    DateTimeMS nextTime = DateTimeMS::now().addMSecs(t);

    ScheduledAction *action = new ScheduledAction(handler.qstring(), nextTime, t, singleShot, id);
    scheduledActions.append(action);
    setNextTimer();
    return id;
}

int WindowQObject::installTimeout(JSValue *func, List args, int t, bool singleShot)
{
    JSObject *objFunc = func->getObject();
    if (!objFunc) {
        return 0;
    }
    int id = ++lastTimerId;
    if (t < 10) {
        t = 10;
    }

    DateTimeMS nextTime = DateTimeMS::now().addMSecs(t);
    ScheduledAction *action = new ScheduledAction(objFunc, args, nextTime, t, singleShot, id);
    scheduledActions.append(action);
    setNextTimer();
    return id;
}

void WindowQObject::clearTimeout(int timerId)
{
    foreach (ScheduledAction *action, scheduledActions) {
        if (action->timerId == timerId) {
            scheduledActions.removeAll(action);
            if (!action->executing) {
                delete action;
            }
            return;
        }
    }
}

bool WindowQObject::hasTimers() const
{
    return scheduledActions.count();
}

void WindowQObject::mark()
{
    foreach (ScheduledAction *action, scheduledActions) {
        action->mark();
    }
}

void WindowQObject::timerEvent(QTimerEvent *)
{
    killTimers();

    if (scheduledActions.isEmpty()) {
        return;
    }

    if (pauseLevel) {
        return;
    }

    currentlyDispatching = true;

    DateTimeMS current = DateTimeMS::now();

    // Work out which actions are to be executed. We take a separate copy of
    // this list since the main one may be modified during action execution
    QList<ScheduledAction *> toExecute;
    foreach (ScheduledAction *action, scheduledActions) {
        if (current >= action->nextTime) {
            toExecute.append(action);
        }
    }

    // ### verify that the window can't be closed (and action deleted) during execution
    foreach (ScheduledAction *action, toExecute) {
        if (!scheduledActions.count(action)) { // removed by clearTimeout()
            continue;
        }

        action->executing = true; // prevent deletion in clearTimeout()

        if (parent->part()) {
            bool ok = action->execute(parent);
            if (!ok) { // e.g. JS disabled
                scheduledActions.removeAll(action);
            }
        }

        if (action->singleShot) {
            scheduledActions.removeAll(action);
        }

        action->executing = false;

        if (!scheduledActions.count(action)) {
            delete action;
        } else {
            action->nextTime = action->nextTime.addMSecs(action->interval);
        }
    }

    currentlyDispatching = false;

    // Work out when next event is to occur
    setNextTimer();

    // unless we're inside a nested context, do post-script processing
    if (!pauseLevel) {
        parent->afterScriptExecution();
    }
}

DateTimeMS DateTimeMS::addMSecs(int s) const
{
    DateTimeMS c = *this;
    c.mTime = mTime.addMSecs(s);
    if (s > 0) {
        if (c.mTime < mTime) {
            c.mDate = mDate.addDays(1);
        }
    } else {
        if (c.mTime > mTime) {
            c.mDate = mDate.addDays(-1);
        }
    }
    return c;
}

bool DateTimeMS::operator >(const DateTimeMS &other) const
{
    if (mDate > other.mDate) {
        return true;
    }

    if (mDate < other.mDate) {
        return false;
    }

    return mTime > other.mTime;
}

bool DateTimeMS::operator >=(const DateTimeMS &other) const
{
    if (mDate > other.mDate) {
        return true;
    }

    if (mDate < other.mDate) {
        return false;
    }

    return mTime >= other.mTime;
}

int DateTimeMS::msecsTo(const DateTimeMS &other) const
{
    int d = mDate.daysTo(other.mDate);
    int ms = mTime.msecsTo(other.mTime);
    return d * 24 * 60 * 60 * 1000 + ms;
}

DateTimeMS DateTimeMS::now()
{
    DateTimeMS t;
    QTime before = QTime::currentTime();
    t.mDate = QDate::currentDate();
    t.mTime = QTime::currentTime();
    if (t.mTime < before) {
        t.mDate = QDate::currentDate();    // prevent race condition in hacky way :)
    }
    return t;
}

void WindowQObject::setNextTimer()
{
    if (currentlyDispatching) {
        return;    // Will schedule at the end
    }

    if (scheduledActions.isEmpty()) {
        return;
    }

    QListIterator<ScheduledAction *> it(scheduledActions);
    DateTimeMS nextTime = it.next()->nextTime;
    while (it.hasNext()) {
        const DateTimeMS &currTime = it.next()->nextTime;
        if (nextTime > currTime) {
            nextTime = currTime;
        }
    }

    int nextInterval = DateTimeMS::now().msecsTo(nextTime);
    if (nextInterval < 0) {
        nextInterval = 0;
    }
    timerIds.append(startTimer(nextInterval));
}

void WindowQObject::killTimers()
{
    for (int i = 0; i < timerIds.size(); ++i) {
        killTimer(timerIds.at(i));
    }
    timerIds.clear();
}

void WindowQObject::timeoutClose()
{
    parent->closeNow();
}

////////////////////// Location Object ////////////////////////

const ClassInfo Location::info = { "Location", nullptr, &LocationTable, nullptr };
/*
@begin LocationTable 11
  hash      Location::Hash      DontDelete
  host      Location::Host      DontDelete
  hostname  Location::Hostname  DontDelete
  href      Location::Href      DontDelete
  pathname  Location::Pathname  DontDelete
  port      Location::Port      DontDelete
  protocol  Location::Protocol  DontDelete
  search    Location::Search    DontDelete
  [[==]]    Location::EqualEqual    DontDelete|ReadOnly
  assign    Location::Assign    DontDelete|Function 1
  toString  Location::ToString  DontDelete|Function 0
  replace   Location::Replace   DontDelete|Function 1
  reload    Location::Reload    DontDelete|Function 0
@end
*/
KJS_IMPLEMENT_PROTOFUNC(LocationFunc)
Location::Location(khtml::ChildFrame *f) : m_frame(f)
{
    //qCDebug(KHTML_LOG) << "Location::Location " << this << " m_part=" << (void*)m_part;
}

Location::~Location()
{
    //qCDebug(KHTML_LOG) << "Location::~Location " << this << " m_part=" << (void*)m_part;
}

KParts::ReadOnlyPart *Location::part() const
{
    return m_frame ? static_cast<KParts::ReadOnlyPart *>(m_frame->m_part) : nullptr;
}

bool Location::getOwnPropertySlot(ExecState *exec, const Identifier &p, PropertySlot &slot)
{
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "Location::getOwnPropertySlot " << p.qstring() << " m_part=" << (void *)m_frame->m_part;
#endif

    if (m_frame.isNull() || m_frame->m_part.isNull()) {
        return jsUndefined();
    }

    const HashEntry *entry = Lookup::findEntry(&LocationTable, p);

    if (entry) {
        // properties that work on all Location objects
        if (entry->value == Replace) {
            getSlotFromEntry<LocationFunc, Location>(entry, this, slot);
            return true;
        }

        // XSS check
        const Window *window = Window::retrieveWindow(m_frame->m_part);
        if (!window || !window->isSafeScript(exec)) {
            slot.setUndefined(this);
            return true;
        }

        // XSS check passed - can now dispatch normally.
        getSlotFromEntry<LocationFunc, Location>(entry, this, slot);
        return true;
    }

    return JSObject::getOwnPropertySlot(exec, p, slot);
}

JSValue *Location::getValueProperty(ExecState *exec, int token) const
{
    QUrl url = m_frame->m_part->url();
    switch (token) {
    case Hash: {
        const QString encodedHash = url.fragment(QUrl::FullyEncoded);
        if (encodedHash.isEmpty()) {
            return jsString("");
        }
        return jsString(QLatin1Char('#') + encodedHash);
    }
    case Host: {
        UString str = url.host();
        if (url.port() > 0) {
            str += QString(QLatin1Char(':') + QString::number(url.port()));
        }
        return jsString(str);
        // Note: this is the IE spec. The NS spec swaps the two, it says
        // "The hostname property is the concatenation of the host and port properties, separated by a colon."
        // Bleh.
    }
    case Hostname:
        return jsString(UString(url.host()));
    case Href:
        if (url.isEmpty()) {
            return jsString("about:blank");
        } else if (url.path().isEmpty()) {
            return jsString(UString(url.toDisplayString() + '/'));
        } else {
            return jsString(UString(url.toDisplayString()));
        }
    case Pathname:
        if (url.isEmpty()) {
            return jsString("");
        }
        return jsString(UString(url.path().isEmpty() ? QString("/") : url.path()));
    case Port:
        return jsString(UString(url.port() > 0 ? QString::number(url.port()) : QLatin1String("")));
    case Protocol:
        return jsString(UString(url.scheme() + ':'));
    case Search:
        return jsString(UString(url.query()));
    case EqualEqual: // [[==]]
        return jsString(toString(exec));
    }
    return jsUndefined();
}

void Location::put(ExecState *exec, const Identifier &p, JSValue *v, int attr)
{
#ifdef KJS_VERBOSE
    qCDebug(KHTML_LOG) << "Location::put " << p.qstring() << " m_part=" << (void *)m_frame->m_part;
#endif
    if (m_frame.isNull() || m_frame->m_part.isNull()) {
        return;
    }

    Window *window = Window::retrieveWindow(m_frame->m_part);
    if (!window) {
        return;
    }

    QUrl url = m_frame->m_part->url();

    const HashEntry *entry = Lookup::findEntry(&LocationTable, p);

    if (entry) {

        // XSS check. Only new hrefs can be set from other sites
        if (entry->value != Href && !window->isSafeScript(exec)) {
            return;
        }

        QString str = v->toString(exec).qstring();
        switch (entry->value) {
        case Href: {
            KHTMLPart *p = qobject_cast<KHTMLPart *>(Window::retrieveActive(exec)->part());
            if (p) {
                url = QUrl(p->htmlDocument().completeURL(str).string());
            } else {
                url = QUrl(str);
            }
            break;
        }
        case Hash:
            // Strip any leading # --- setting hash to #foo is the same as setting it to foo.
            if (str.startsWith(QLatin1Char('#'))) {
                str = str.mid(1);
            }

            // Note that we want to do gotoAnchor even when the hash is already set, so we
            // scroll the destination into view.

            // Setting this must always provide a ref, even if just # see
            // HTML5 2.6.
            if (str.isEmpty()) {
                url.setFragment("");
            } else {
                url.setFragment(QUrl::fromPercentEncoding(str.toUtf8()), QUrl::DecodedMode);
            }
            break;
        case Host: {
            QString host = str.left(str.indexOf(":"));
            QString port = str.mid(str.indexOf(":") + 1);
            url.setHost(host);
            url.setPort(port.toUInt());
            break;
        }
        case Hostname:
            url.setHost(str);
            break;
        case Pathname:
            url.setPath(str);
            break;
        case Port:
            url.setPort(str.toUInt());
            break;
        case Protocol:
            url.setScheme(str);
            break;
        case Search:
            url.setQuery(str);
            break;
        }
    } else {
        JSObject::put(exec, p, v, attr);
        return;
    }

    window->goURL(exec, url.url());
}

JSValue *Location::toPrimitive(ExecState *exec, JSType) const
{
    if (m_frame) {
        Window *window = Window::retrieveWindow(m_frame->m_part);
        if (window && window->isSafeScript(exec)) {
            return jsString(toString(exec));
        }
    }
    return jsUndefined();
}

UString Location::toString(ExecState *exec) const
{
    if (m_frame) {
        Window *window = Window::retrieveWindow(m_frame->m_part);
        if (window && window->isSafeScript(exec)) {
            QUrl url = m_frame->m_part->url();
            if (url.isEmpty()) {
                return "about:blank";
            } else if (url.path().isEmpty()) {
                return QString(url.toDisplayString() + '/');
            } else {
                return url.toDisplayString();
            }
        }
    }
    return "";
}

JSValue *LocationFunc::callAsFunction(ExecState *exec, JSObject *thisObj, const List &args)
{
    KJS_CHECK_THIS(Location, thisObj);
    Location *location = static_cast<Location *>(thisObj);
    KParts::ReadOnlyPart *part = location->part();

    if (!part) {
        return jsUndefined();
    }

    Window *window = Window::retrieveWindow(part);

    if (!window->isSafeScript(exec) && id != Location::Replace) {
        return jsUndefined();
    }

    switch (id) {
    case Location::Assign:
        window->goURL(exec, args[0]->toString(exec).qstring());
        break;
    case Location::Replace:
        window->goURL(exec, args[0]->toString(exec).qstring(), true/*lock history*/);
        break;
    case Location::Reload: {
        KHTMLPart *khtmlpart = qobject_cast<KHTMLPart *>(part);
        if (khtmlpart) {
            khtmlpart->scheduleRedirection(-1, part->url().toString(), true/*lock history*/);
        } else {
            part->openUrl(part->url());
        }
        break;
    }
    case Location::ToString:
        return jsString(location->toString(exec));
    }
    return jsUndefined();
}

////////////////////// External Object ////////////////////////

const ClassInfo External::info = { "External", nullptr, nullptr, nullptr };
/*
@begin ExternalTable 4
  addFavorite   External::AddFavorite   DontDelete|Function 1
@end
*/
KJS_IMPLEMENT_PROTOFUNC(ExternalFunc)

bool External::getOwnPropertySlot(ExecState *exec, const Identifier &p, PropertySlot &propertySlot)
{
    return getStaticFunctionSlot<ExternalFunc, JSObject>(exec, &ExternalTable, this, p, propertySlot);
}

JSValue *ExternalFunc::callAsFunction(ExecState *exec, JSObject *thisObj, const List &args)
{
    KJS_CHECK_THIS(External, thisObj);
    External *external = static_cast<External *>(thisObj);

    KHTMLPart *part = external->part;
    if (!part) {
        return jsUndefined();
    }

    switch (id) {
    case External::AddFavorite: {
#ifndef KONQ_EMBEDDED
        KHTMLView *widget = part->view();
        if (!widget->dialogsAllowed()) {
            return jsUndefined();
        }
        part->xmlDocImpl()->updateRendering();
        if (args.size() != 1 && args.size() != 2) {
            return jsUndefined();
        }

        QString url = args[0]->toString(exec).qstring();
        QString title;
        if (args.size() == 2) {
            title = args[1]->toString(exec).qstring();
        }

        // AK - don't do anything yet, for the moment i
        // just wanted the base js handling code in cvs
        return jsUndefined();

        QString question;
        if (title.isEmpty())
            question = i18n("Do you want a bookmark pointing to the location \"%1\" to be added to your collection?",
                            url);
        else
            question = i18n("Do you want a bookmark pointing to the location \"%1\" titled \"%2\" to be added to your collection?",
                            url, title);

        emit part->browserExtension()->requestFocus(part);

        QString caption;
        if (!part->url().host().isEmpty()) {
            caption = part->url().host() + " - ";
        }
        caption += i18n("JavaScript Attempted Bookmark Insert");

        if (KMessageBox::warningYesNo(
                    widget, question, caption,
                    KGuiItem(i18n("Insert")), KGuiItem(i18n("Disallow"))) == KMessageBox::Yes) {
            KBookmarkManager *mgr = KBookmarkManager::userBookmarksManager();
            KBookmarkDialog dlg(mgr, nullptr);
            dlg.addBookmark(title, QUrl(url), KIO::iconNameForUrl(QUrl(url)));
        }
#else
        return jsUndefined();
#endif
        break;
    }
    default:
        return jsUndefined();
    }

    return jsUndefined();
}

////////////////////// History Object ////////////////////////

const ClassInfo History::info = { "History", nullptr, nullptr, nullptr };
/*
@begin HistoryTable 4
  length    History::Length     DontDelete|ReadOnly
  back      History::Back       DontDelete|Function 0
  forward   History::Forward    DontDelete|Function 0
  go        History::Go     DontDelete|Function 1
@end
*/
KJS_IMPLEMENT_PROTOFUNC(HistoryFunc)

bool History::getOwnPropertySlot(ExecState *exec, const Identifier &p, PropertySlot &slot)
{
    return getStaticPropertySlot<HistoryFunc, History, JSObject>(exec, &HistoryTable, this, p, slot);
}

JSValue *History::getValueProperty(ExecState *, int token) const
{
    // if previous or next is implemented, make sure it is not a major
    // privacy leak (see i.e. http://security.greymagic.com/adv/gm005-op/)
    switch (token) {
    case Length: {
        if (!part) {
            return jsNumber(0);
        }

        KParts::BrowserExtension *ext = part->browserExtension();
        if (!ext) {
            return jsNumber(0);
        }

        KParts::BrowserInterface *iface = ext->browserInterface();
        if (!iface) {
            return jsNumber(0);
        }

        QVariant length = iface->property("historyLength");

        if (length.type() != QVariant::UInt) {
            return jsNumber(0);
        }

        return jsNumber(length.toUInt());
    }
    default:
        // qCDebug(KHTML_LOG) << "WARNING: Unhandled token in History::getValueProperty : " << token;
        return jsUndefined();
    }
}

JSValue *HistoryFunc::callAsFunction(ExecState *exec, JSObject *thisObj, const List &args)
{
    KJS_CHECK_THIS(History, thisObj);
    History *history = static_cast<History *>(thisObj);

    JSValue *v = args[0];
    double n = 0.0;
    if (v) {
        n = v->toInteger(exec);
    }

    int steps;
    switch (id) {
    case History::Back:
        steps = -1;
        break;
    case History::Forward:
        steps = 1;
        break;
    case History::Go:
        steps = (int)n;
        break;
    default:
        return jsUndefined();
    }

    // Special case for go(0) from a frame -> reload only the frame
    // go(i!=0) from a frame navigates into the history of the frame only,
    // in both IE and NS (but not in Mozilla).... we can't easily do that
    // in Konqueror...
    if (!steps) { // add && history->part->parentPart() to get only frames, but doesn't matter
        history->part->openUrl(history->part->url());   /// ## need args.reload=true?
    } else {
        // Delay it.
        // Testcase: history.back(); alert("hello");
        Window *window = Window::retrieveWindow(history->part);
        window->delayedGoHistory(steps);
    }
    return jsUndefined();
}

} // namespace KJS

