/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "WebNode.h"

#include "Document.h"
#include "Element.h"
#include "Frame.h"
#include "FrameLoaderClientImpl.h"
#include "Node.h"
#include "NodeList.h"
#include "EventListenerWrapper.h"
#include "WebDOMEvent.h"
#include "WebDOMEventListener.h"
#include "WebDocument.h"
#include "WebElement.h"
#include "WebFrameImpl.h"
#include "WebNodeList.h"
#include "markup.h"
#include "platform/WebString.h"
#include <public/WebVector.h>

using namespace WebCore;

namespace WebKit {

void WebNode::reset()
{
    m_private.reset();
}

void WebNode::assign(const WebNode& other)
{
    m_private = other.m_private;
}

bool WebNode::equals(const WebNode& n) const
{
    return (m_private.get() == n.m_private.get());
}

bool WebNode::lessThan(const WebNode& n) const
{
    return (m_private.get() < n.m_private.get());
}

WebNode::NodeType WebNode::nodeType() const
{
    return static_cast<NodeType>(m_private->nodeType());
}

WebNode WebNode::parentNode() const
{
    return WebNode(const_cast<ContainerNode*>(m_private->parentNode()));
}

WebString WebNode::nodeName() const
{
    return m_private->nodeName();
}

WebString WebNode::nodeValue() const
{
    return m_private->nodeValue();
}

bool WebNode::setNodeValue(const WebString& value)
{
    ExceptionCode exceptionCode = 0;
    m_private->setNodeValue(value, exceptionCode);
    return !exceptionCode;
}

WebDocument WebNode::document() const
{
    return WebDocument(m_private->document());
}

WebNode WebNode::firstChild() const
{
    return WebNode(m_private->firstChild());
}

WebNode WebNode::lastChild() const
{
    return WebNode(m_private->lastChild());
}

WebNode WebNode::previousSibling() const
{
    return WebNode(m_private->previousSibling());
}

WebNode WebNode::nextSibling() const
{
    return WebNode(m_private->nextSibling());
}

bool WebNode::hasChildNodes() const
{
    return m_private->hasChildNodes();
}

WebNodeList WebNode::childNodes()
{
    return WebNodeList(m_private->childNodes());
}

bool WebNode::appendChild(const WebNode& child) 
{
    ExceptionCode exceptionCode = 0;
    m_private->appendChild(child, exceptionCode);
    return !exceptionCode;
}

WebString WebNode::createMarkup() const
{
    return WebCore::createMarkup(m_private.get());
}

bool WebNode::isLink() const
{
    return m_private->isLink();
}

bool WebNode::isTextNode() const
{
    return m_private->isTextNode();
}

bool WebNode::isFocusable() const
{
    m_private->document()->updateLayoutIgnorePendingStylesheets();
    return m_private->isFocusable();
}

bool WebNode::isContentEditable() const
{
    return m_private->isContentEditable();
}

bool WebNode::isElementNode() const
{
    return m_private->isElementNode();
}

bool WebNode::hasEventListeners(const WebString& eventType) const
{
    return m_private->hasEventListeners(eventType);
}

void WebNode::addEventListener(const WebString& eventType, WebDOMEventListener* listener, bool useCapture)
{
    EventListenerWrapper* listenerWrapper =
        listener->createEventListenerWrapper(eventType, useCapture, m_private.get());
    // The listenerWrapper is only referenced by the actual Node.  Once it goes
    // away, the wrapper notifies the WebEventListener so it can clear its
    // pointer to it.
    m_private->addEventListener(eventType, adoptRef(listenerWrapper), useCapture);
}

void WebNode::removeEventListener(const WebString& eventType, WebDOMEventListener* listener, bool useCapture)
{
    EventListenerWrapper* listenerWrapper =
        listener->getEventListenerWrapper(eventType, useCapture, m_private.get());
    m_private->removeEventListener(eventType, listenerWrapper, useCapture);
    // listenerWrapper is now deleted.
}

bool WebNode::dispatchEvent(const WebDOMEvent& event)
{
    if (!event.isNull())
        return m_private->dispatchEvent(event);
    return false;
}

void WebNode::simulateClick()
{
    RefPtr<Event> noEvent;
    m_private->dispatchSimulatedClick(noEvent);
}

WebNodeList WebNode::getElementsByTagName(const WebString& tag) const
{
    return WebNodeList(m_private->getElementsByTagName(tag));
}

WebElement WebNode::rootEditableElement() const
{
    return WebElement(m_private->rootEditableElement());
}

bool WebNode::focused() const
{
    return m_private->focused();
}

bool WebNode::remove()
{
    ExceptionCode exceptionCode = 0;
    m_private->remove(exceptionCode);
    return !exceptionCode;
}

bool WebNode::hasNonEmptyBoundingBox() const
{
    m_private->document()->updateLayoutIgnorePendingStylesheets();
    return m_private->hasNonEmptyBoundingBox();
}

WebNode::WebNode(const PassRefPtr<Node>& node)
    : m_private(node)
{
}

WebNode& WebNode::operator=(const PassRefPtr<Node>& node)
{
    m_private = node;
    return *this;
}

WebNode::operator PassRefPtr<Node>() const
{
    return m_private.get();
}

} // namespace WebKit