/**
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright 1999 Lars Knoll (knoll@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; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */
#include "dom/dom_exception.h"
#include "dom/html_misc.h"
#include "css/css_base.h"
#include "html/html_miscimpl.h" // HTMLCollectionImpl

using namespace DOM;

HTMLElement::HTMLElement() : Element()
{
}

HTMLElement::HTMLElement(const HTMLElement &other) : Element(other)
{
}

HTMLElement::HTMLElement(HTMLElementImpl *impl) : Element(impl)
{
}

HTMLElement &HTMLElement::operator = (const HTMLElement &other)
{
    Element::operator = (other);
    return *this;
}

HTMLElement &HTMLElement::operator = (const Node &other)
{
    NodeImpl *ohandle = other.handle();
    if (!ohandle || !ohandle->isHTMLElement()) {
        if (impl) {
            impl->deref();
        }
        impl = nullptr;
        return *this;
    }
    Node::operator = (other);
    return *this;
}

HTMLElement::~HTMLElement()
{
}

DOMString HTMLElement::id() const
{
    if (!impl) {
        return DOMString();
    }
    return ((ElementImpl *)impl)->getAttribute(ATTR_ID);
}

void HTMLElement::setId(const DOMString &value)
{
    if (impl) {
        ((ElementImpl *)impl)->setAttribute(ATTR_ID, value);
    }
}

DOMString HTMLElement::title() const
{
    if (!impl) {
        return DOMString();
    }
    return ((ElementImpl *)impl)->getAttribute(ATTR_TITLE);
}

void HTMLElement::setTitle(const DOMString &value)
{
    if (impl) {
        ((ElementImpl *)impl)->setAttribute(ATTR_TITLE, value);
    }
}

DOMString HTMLElement::lang() const
{
    if (!impl) {
        return DOMString();
    }
    return ((ElementImpl *)impl)->getAttribute(ATTR_LANG);
}

void HTMLElement::setLang(const DOMString &value)
{
    if (impl) {
        ((ElementImpl *)impl)->setAttribute(ATTR_LANG, value);
    }
}

DOMString HTMLElement::dir() const
{
    if (!impl) {
        return DOMString();
    }
    return ((ElementImpl *)impl)->getAttribute(ATTR_DIR);
}

void HTMLElement::setDir(const DOMString &value)
{
    if (impl) {
        ((ElementImpl *)impl)->setAttribute(ATTR_DIR, value);
    }
}

DOMString HTMLElement::className() const
{
    if (!impl) {
        return DOMString();
    }
    return ((ElementImpl *)impl)->getAttribute(ATTR_CLASS);
}

void HTMLElement::setClassName(const DOMString &value)
{
    if (impl) {
        ((ElementImpl *)impl)->setAttribute(ATTR_CLASS, value);
    }
}

void HTMLElement::removeCSSProperty(const DOMString &property)
{
    int id = getPropertyID(property.string().toLower().toLatin1().constData(), property.length());
    if (id && impl) {
        static_cast<HTMLElementImpl *>(impl)->removeCSSProperty(id);
    }
}

void HTMLElement::addCSSProperty(const DOMString &property, const DOMString &value)
{
    int id = getPropertyID(property.string().toLower().toLatin1().constData(), property.length());
    if (id && impl) {
        static_cast<HTMLElementImpl *>(impl)->addCSSProperty(id, value);
    }
}

DOMString HTMLElement::innerHTML() const
{
    if (!impl) {
        return DOMString();
    }
    return ((HTMLElementImpl *)impl)->innerHTML();
}

void HTMLElement::setInnerHTML(const DOMString &html)
{
    if (!impl) {
        return;
    }
    int exceptioncode = 0;
    ((HTMLElementImpl *)impl)->setInnerHTML(html, exceptioncode);
    if (exceptioncode) {
        throw DOMException(exceptioncode);
    }
}

DOMString HTMLElement::innerText() const
{
    if (!impl) {
        return DOMString();
    }
    return ((HTMLElementImpl *)impl)->innerText();
}

void HTMLElement::setInnerText(const DOMString &text)
{
    if (!impl) {
        return;
    }
    int exceptioncode = 0;
    ((HTMLElementImpl *)impl)->setInnerText(text, exceptioncode);
    if (exceptioncode) {
        throw DOMException(exceptioncode);
    }
}

HTMLCollection HTMLElement::children() const
{
    if (!impl) {
        return HTMLCollection();
    }
    return HTMLCollection(impl, HTMLCollectionImpl::NODE_CHILDREN);
}

HTMLCollection HTMLElement::all() const
{
    if (!impl) {
        return HTMLCollection();
    }
    return HTMLCollection(impl, HTMLCollectionImpl::DOC_ALL /*it's called "doc" but it works from any node */);
}

void HTMLElement::assignOther(const Node &other, int elementId)
{
    if (other.elementId() != static_cast<quint32>(elementId)) {
        if (impl) {
            impl->deref();
        }
        impl = nullptr;
    } else {
        Node::operator = (other);
    }
}

bool HTMLElement::isContentEditable() const
{
    if (!impl) {
        return false;
    }
    return static_cast<HTMLElementImpl *>(impl)->isContentEditable();
}

DOMString HTMLElement::contentEditable() const
{
    if (!impl) {
        return "inherit";
    }
    return static_cast<HTMLElementImpl *>(impl)->contentEditable();
}

void HTMLElement::setContentEditable(const DOMString &enabled)
{
    if (!impl) {
        throw DOMException(DOMException::INVALID_STATE_ERR);
    }
    static_cast<HTMLElementImpl *>(impl)->setContentEditable(enabled);
}
