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/*
* 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"
#include "ImageLoaderClient.h"
namespace WebCore {
class HTMLFormElement;
class ImageInnerElement;
class ImageElement {
protected:
void setImageIfNecessary(RenderObject*, ImageLoader*);
RenderObject* createRendererForImage(HTMLElement*, RenderArena*);
};
class HTMLImageElement : public HTMLElement, public ImageElement, public ImageLoaderClient {
friend class HTMLFormElement;
friend class ImageInnerElement;
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();
virtual void willAddAuthorShadowRoot() OVERRIDE;
int width(bool ignorePendingStylesheets = false);
int height(bool ignorePendingStylesheets = false);
int naturalWidth() const;
int naturalHeight() const;
bool isServerMap() const;
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;
// FIXME: Why do we have two names for the same thing?
bool hasPendingLoadEvent() const { return m_imageLoader.hasPendingLoadEvent(); }
bool hasPendingActivity() const { return m_imageLoader.hasPendingLoadEvent(); }
virtual bool canContainRangeEndPoint() const { return false; }
protected:
HTMLImageElement(const QualifiedName&, Document*, HTMLFormElement* = 0);
virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
private:
virtual void createShadowSubtree();
// Implementation of ImageLoaderClient
Element* sourceElement() { return this; }
Element* imageElement();
void refSourceElement() { ref(); }
void derefSourceElement() { deref(); }
virtual void parseAttribute(const Attribute&) OVERRIDE;
virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
virtual void collectStyleForAttribute(const Attribute&, StylePropertySet*) OVERRIDE;
virtual void attach();
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual bool canStartSelection() const { return false; }
virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
virtual bool draggable() const;
virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
virtual void removedFrom(ContainerNode*) OVERRIDE;
virtual bool shouldRegisterAsNamedItem() const OVERRIDE { return true; }
virtual bool shouldRegisterAsExtraNamedItem() const OVERRIDE { return true; }
#if ENABLE(MICRODATA)
virtual String itemValueText() const OVERRIDE;
virtual void setItemValueText(const String&, ExceptionCode&) OVERRIDE;
#endif
RenderObject* imageRenderer() const { return HTMLElement::renderer(); }
HTMLImageLoader* imageLoader() { return &m_imageLoader; }
ImageInnerElement* innerElement() const;
HTMLImageLoader m_imageLoader;
HTMLFormElement* m_form;
CompositeOperator m_compositeOperator;
};
inline bool isHTMLImageElement(Node* node)
{
return node->hasTagName(HTMLNames::imgTag);
}
inline HTMLImageElement* toHTMLImageElement(Node* node)
{
ASSERT(!node || isHTMLImageElement(node));
return static_cast<HTMLImageElement*>(node);
}
} //namespace
#endif
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