/* | |
* (C) 1999-2003 Lars Knoll (knoll@kde.org) | |
* Copyright (C) 2004, 2005, 2006, 2008 Apple 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. | |
*/ | |
#include "config.h" | |
#include "CSSImageValue.h" | |
#include "CSSValueKeywords.h" | |
#include "Cache.h" | |
#include "CachedImage.h" | |
#include "DocLoader.h" | |
#include "StyleCachedImage.h" | |
namespace WebCore { | |
CSSImageValue::CSSImageValue(const String& url) | |
: CSSPrimitiveValue(url, CSS_URI) | |
, m_accessedImage(false) | |
{ | |
} | |
CSSImageValue::CSSImageValue() | |
: CSSPrimitiveValue(CSSValueNone) | |
, m_accessedImage(true) | |
{ | |
} | |
CSSImageValue::~CSSImageValue() | |
{ | |
if (m_image) | |
m_image->cachedImage()->removeClient(this); | |
} | |
StyleCachedImage* CSSImageValue::cachedImage(DocLoader* loader) | |
{ | |
return cachedImage(loader, getStringValue()); | |
} | |
StyleCachedImage* CSSImageValue::cachedImage(DocLoader* loader, const String& url) | |
{ | |
if (!m_accessedImage) { | |
m_accessedImage = true; | |
CachedImage* cachedImage = 0; | |
if (loader) | |
cachedImage = loader->requestImage(url); | |
else { | |
// FIXME: Should find a way to make these images sit in their own memory partition, since they are user agent images. | |
cachedImage = static_cast<CachedImage*>(cache()->requestResource(0, CachedResource::ImageResource, KURL(ParsedURLString, url), String())); | |
} | |
if (cachedImage) { | |
cachedImage->addClient(this); | |
m_image = StyleCachedImage::create(cachedImage); | |
} | |
} | |
return m_image.get(); | |
} | |
String CSSImageValue::cachedImageURL() | |
{ | |
if (!m_image) | |
return String(); | |
return m_image->cachedImage()->url(); | |
} | |
void CSSImageValue::clearCachedImage() | |
{ | |
if (m_image) | |
m_image->cachedImage()->removeClient(this); | |
m_image = 0; | |
m_accessedImage = false; | |
} | |
} // namespace WebCore |