#include "config.h"
#include "CSSImageValue.h"
#include "CSSCursorImageValue.h"
#include "CSSParser.h"
#include "CSSValueKeywords.h"
#include "Document.h"
#include "MemoryCache.h"
#include "CachedImage.h"
#include "CachedResourceLoader.h"
#include "StyleCachedImage.h"
#include "StylePendingImage.h"
namespace WebCore {
CSSImageValue::CSSImageValue(ClassType classType, const String& url)
: CSSValue(classType)
, m_url(url)
, m_accessedImage(false)
{
}
CSSImageValue::CSSImageValue(const String& url)
: CSSValue(ImageClass)
, m_url(url)
, m_accessedImage(false)
{
}
CSSImageValue::CSSImageValue(const String& url, StyleImage* image)
: CSSValue(ImageClass)
, m_url(url)
, m_image(image)
, m_accessedImage(true)
{
}
CSSImageValue::~CSSImageValue()
{
}
StyleImage* CSSImageValue::cachedOrPendingImage()
{
if (!m_image)
m_image = StylePendingImage::create(this);
return m_image.get();
}
StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader)
{
if (isCursorImageValue())
return static_cast<CSSCursorImageValue*>(this)->cachedImage(loader);
return cachedImage(loader, m_url);
}
StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader, const String& url)
{
ASSERT(loader);
if (!m_accessedImage) {
m_accessedImage = true;
ResourceRequest request(loader->document()->completeURL(url));
if (CachedImage* cachedImage = loader->requestImage(request))
m_image = StyleCachedImage::create(cachedImage);
}
return (m_image && m_image->isCachedImage()) ? static_cast<StyleCachedImage*>(m_image.get()) : 0;
}
String CSSImageValue::cachedImageURL()
{
if (!m_image || !m_image->isCachedImage())
return String();
return static_cast<StyleCachedImage*>(m_image.get())->cachedImage()->url();
}
void CSSImageValue::clearCachedImage()
{
m_image = 0;
m_accessedImage = false;
}
bool CSSImageValue::hasFailedOrCanceledSubresources() const
{
if (!m_image || !m_image->isCachedImage())
return false;
CachedResource* cachedResource = static_cast<StyleCachedImage*>(m_image.get())->cachedImage();
if (!cachedResource)
return true;
return cachedResource->loadFailedOrCanceled();
}
String CSSImageValue::customCssText() const
{
return "url(" + quoteCSSURLIfNeeded(m_url) + ")";
}
PassRefPtr<CSSValue> CSSImageValue::cloneForCSSOM() const
{
RefPtr<CSSPrimitiveValue> uriValue = CSSPrimitiveValue::create(m_url, CSSPrimitiveValue::CSS_URI);
uriValue->setCSSOMSafe();
return uriValue.release();
}
}