/*
* Copyright (C) 2008 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
*/
#ifndef CSSCanvasValue_h
#define CSSCanvasValue_h
#include "CSSImageGeneratorValue.h"
#include "HTMLCanvasElement.h"
namespace WebCore {
class Document;
class CSSCanvasValue : public CSSImageGeneratorValue, private CanvasObserver {
public:
static PassRefPtr<CSSCanvasValue> create() { return adoptRef(new CSSCanvasValue); }
virtual ~CSSCanvasValue();
virtual String cssText() const;
virtual PassRefPtr<Image> image(RenderObject*, const IntSize&);
virtual bool isFixedSize() const { return true; }
virtual IntSize fixedSize(const RenderObject*);
void setName(const String& name) { m_name = name; }
private:
CSSCanvasValue()
: m_element(0)
{
}
virtual void canvasChanged(HTMLCanvasElement*, const FloatRect& changedRect);
virtual void canvasResized(HTMLCanvasElement*);
virtual void canvasDestroyed(HTMLCanvasElement*);
HTMLCanvasElement* element(Document*);
// The name of the canvas.
String m_name;
// The document supplies the element and owns it.
HTMLCanvasElement* m_element;
};
} // namespace WebCore
#endif // CSSCanvasValue_h