#include "config.h"
#include "StyleSheet.h"
#include "HTMLNames.h"
#include "MediaList.h"
#include "Node.h"
#include "SVGNames.h"
namespace WebCore {
#if !ASSERT_DISABLED
static bool isAcceptableStyleSheetParent(Node* parentNode)
{
return !parentNode
|| parentNode->isDocumentNode()
|| parentNode->hasTagName(HTMLNames::linkTag)
|| parentNode->hasTagName(HTMLNames::styleTag)
|| parentNode->nodeType() == Node::PROCESSING_INSTRUCTION_NODE
#if ENABLE(SVG)
|| parentNode->hasTagName(SVGNames::styleTag)
#endif
;
}
#endif
StyleSheet::StyleSheet(StyleSheet* parentSheet, const String& originalURL, const KURL& finalURL)
: StyleList(parentSheet)
, m_parentNode(0)
, m_originalURL(originalURL)
, m_finalURL(finalURL)
, m_disabled(false)
{
}
StyleSheet::StyleSheet(Node* parentNode, const String& originalURL, const KURL& finalURL)
: StyleList(0)
, m_parentNode(parentNode)
, m_originalURL(originalURL)
, m_finalURL(finalURL)
, m_disabled(false)
{
ASSERT(isAcceptableStyleSheetParent(parentNode));
}
StyleSheet::StyleSheet(StyleBase* owner, const String& originalURL, const KURL& finalURL)
: StyleList(owner)
, m_parentNode(0)
, m_originalURL(originalURL)
, m_finalURL(finalURL)
, m_disabled(false)
{
}
StyleSheet::~StyleSheet()
{
if (m_media)
m_media->setParent(0);
for (unsigned i = 0; i < length(); ++i) {
ASSERT(item(i)->parent() == this);
item(i)->setParent(0);
}
}
StyleSheet* StyleSheet::parentStyleSheet() const
{
return (parent() && parent()->isStyleSheet()) ? static_cast<StyleSheet*>(parent()) : 0;
}
void StyleSheet::setMedia(PassRefPtr<MediaList> media)
{
if (m_media)
m_media->setParent(0);
m_media = media;
m_media->setParent(this);
}
KURL StyleSheet::completeURL(const String& url) const
{
if (url.isNull())
return KURL();
return KURL(baseURL(), url);
}
}