/*

 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 * Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved.

 * Copyright (C) 2010 Google Inc. All rights reserved.

 *

 * 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.

 *

 */

#ifndef HTMLImageElement_h

#define HTMLImageElement_h

#include "GraphicsTypes.h"

#include "HTMLElement.h"

#include "HTMLImageLoader.h"

namespace WebCore {

class HTMLFormElement;

class HTMLImageElement : public HTMLElement {

    friend class HTMLFormElement;

public:

    static PassRefPtr<HTMLImageElement> create(Document*);

    static PassRefPtr<HTMLImageElement> create(const QualifiedName&, Document*, HTMLFormElement*);

    static PassRefPtr<HTMLImageElement> createForJSConstructor(Document*, const int* optionalWidth, const int* optionalHeight);

    virtual ~HTMLImageElement();

    int width(bool ignorePendingStylesheets = false) const;

    int height(bool ignorePendingStylesheets = false) const;

    int naturalWidth() const;

    int naturalHeight() const;

    bool isServerMap() const { return ismap && usemap.isEmpty(); }

    String altText() const;

    CompositeOperator compositeOperator() const { return m_compositeOperator; }

    CachedImage* cachedImage() const { return m_imageLoader.image(); }

    void setCachedImage(CachedImage* i) { m_imageLoader.setImage(i); };

    void setLoadManually(bool loadManually) { m_imageLoader.setLoadManually(loadManually); }

    const AtomicString& alt() const;

    void setHeight(int);

    KURL src() const;

    void setSrc(const String&);

    void setWidth(int);

    int x() const;

    int y() const;

    bool complete() const;

    bool haveFiredLoadEvent() const { return m_imageLoader.haveFiredLoadEvent(); }

protected:

    HTMLImageElement(const QualifiedName&, Document*, HTMLFormElement* = 0);

    virtual void willMoveToNewOwnerDocument();

private:

    virtual HTMLTagStatus endTagRequirement() const { return TagStatusForbidden; }

    virtual int tagPriority() const { return 0; }

    virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;

    virtual void parseMappedAttribute(Attribute*);

    virtual void attach();

    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);

    virtual bool canStartSelection() const { return false; }

    virtual bool isURLAttribute(Attribute*) const;

    virtual bool draggable() const;

    virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;

    virtual void insertedIntoDocument();

    virtual void removedFromDocument();

    virtual void insertedIntoTree(bool deep);

    virtual void removedFromTree(bool deep);

    HTMLImageLoader m_imageLoader;

    String usemap;

    bool ismap;

    HTMLFormElement* m_form;

    AtomicString m_name;

    AtomicString m_id;

    CompositeOperator m_compositeOperator;

};

} //namespace

#endif