#include "config.h"
#include "XSLImportRule.h"
#if ENABLE(XSLT)
#include "CachedXSLStyleSheet.h"
#include "CachedResourceLoader.h"
#include "CachedResourceRequest.h"
#include "Document.h"
namespace WebCore {
XSLImportRule::XSLImportRule(XSLStyleSheet* parent, const String& href)
: m_parentStyleSheet(parent)
, m_strHref(href)
, m_cachedSheet(nullptr)
, m_loading(false)
{
}
XSLImportRule::~XSLImportRule()
{
if (m_styleSheet)
m_styleSheet->setParentStyleSheet(nullptr);
if (m_cachedSheet)
m_cachedSheet->removeClient(this);
}
void XSLImportRule::setXSLStyleSheet(const String& href, const URL& baseURL, const String& sheet)
{
if (m_styleSheet)
m_styleSheet->setParentStyleSheet(nullptr);
m_styleSheet = XSLStyleSheet::create(this, href, baseURL);
XSLStyleSheet* parent = parentStyleSheet();
if (parent)
m_styleSheet->setParentStyleSheet(parent);
m_styleSheet->parseString(sheet);
m_loading = false;
if (parent)
parent->checkLoaded();
}
bool XSLImportRule::isLoading()
{
return (m_loading || (m_styleSheet && m_styleSheet->isLoading()));
}
void XSLImportRule::loadSheet()
{
CachedResourceLoader* cachedResourceLoader = nullptr;
XSLStyleSheet* rootSheet = parentStyleSheet();
if (rootSheet) {
while (XSLStyleSheet* parentSheet = rootSheet->parentStyleSheet())
rootSheet = parentSheet;
}
if (rootSheet)
cachedResourceLoader = rootSheet->cachedResourceLoader();
String absHref = m_strHref;
XSLStyleSheet* parentSheet = parentStyleSheet();
if (!parentSheet->baseURL().isNull())
absHref = URL(parentSheet->baseURL(), m_strHref).string();
for (XSLStyleSheet* parentSheet = parentStyleSheet(); parentSheet; parentSheet = parentSheet->parentStyleSheet()) {
if (absHref == parentSheet->baseURL().string())
return;
}
CachedResourceRequest request(ResourceRequest(cachedResourceLoader->document()->completeURL(absHref)));
if (m_cachedSheet)
m_cachedSheet->removeClient(this);
m_cachedSheet = cachedResourceLoader->requestXSLStyleSheet(request);
if (m_cachedSheet) {
m_cachedSheet->addClient(this);
if (!m_styleSheet)
m_loading = true;
}
}
}
#endif // ENABLE(XSLT)