--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/css/CSSImportRule.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,129 @@
+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2002, 2005, 2006 Apple Computer, Inc.
+ *
+ * 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 "CSSImportRule.h"
+
+#include "CachedCSSStyleSheet.h"
+#include "CSSStyleSheet.h"
+#include "DocLoader.h"
+#include "Document.h"
+#include "KURL.h"
+#include "MediaList.h"
+
+namespace WebCore {
+
+CSSImportRule::CSSImportRule(StyleBase* parent, const String& href, MediaList* media)
+ : CSSRule(parent)
+ , m_strHref(href)
+ , m_lstMedia(media)
+ , m_cachedSheet(0)
+ , m_loading(false)
+{
+ if (m_lstMedia)
+ m_lstMedia->setParent(this);
+ else
+ m_lstMedia = new MediaList(this, String());
+}
+
+CSSImportRule::~CSSImportRule()
+{
+ if (m_lstMedia)
+ m_lstMedia->setParent(0);
+ if (m_styleSheet)
+ m_styleSheet->setParent(0);
+ if (m_cachedSheet)
+ m_cachedSheet->deref(this);
+}
+
+void CSSImportRule::setCSSStyleSheet(const String& url, const String& charset, const String& sheet)
+{
+ if (m_styleSheet)
+ m_styleSheet->setParent(0);
+ m_styleSheet = new CSSStyleSheet(this, url, charset);
+
+ CSSStyleSheet* parent = parentStyleSheet();
+ m_styleSheet->parseString(sheet, !parent || parent->useStrictParsing());
+ m_loading = false;
+
+ checkLoaded();
+}
+
+bool CSSImportRule::isLoading() const
+{
+ return m_loading || (m_styleSheet && m_styleSheet->isLoading());
+}
+
+void CSSImportRule::insertedIntoParent()
+{
+ StyleBase* root = this;
+ StyleBase* parent;
+ while ((parent = root->parent()))
+ root = parent;
+ if (!root->isCSSStyleSheet())
+ return;
+ DocLoader* docLoader = static_cast<CSSStyleSheet*>(root)->docLoader();
+ if (!docLoader)
+ return;
+
+ String absHref = m_strHref;
+ CSSStyleSheet* parentSheet = parentStyleSheet();
+ if (!parentSheet->href().isNull())
+ // use parent styleheet's URL as the base URL
+ absHref = KURL(parentSheet->href().deprecatedString(), m_strHref.deprecatedString()).url();
+
+ // Check for a cycle in our import chain. If we encounter a stylesheet
+ // in our parent chain with the same URL, then just bail.
+ for (parent = static_cast<StyleBase*>(this)->parent(); parent; parent = parent->parent()) {
+ if (absHref == parent->baseURL())
+ return;
+ }
+
+ m_cachedSheet = docLoader->requestCSSStyleSheet(absHref, parentSheet->charset());
+ if (m_cachedSheet) {
+ // if the import rule is issued dynamically, the sheet may be
+ // removed from the pending sheet count, so let the doc know
+ // the sheet being imported is pending.
+ if (parentSheet && parentSheet->loadCompleted() && parentSheet->doc())
+ parentSheet->doc()->addPendingSheet();
+ m_loading = true;
+ m_cachedSheet->ref(this);
+ }
+}
+
+String CSSImportRule::cssText() const
+{
+ String result = "@import url(\"";
+ result += m_strHref;
+ result += "\")";
+
+ if (m_lstMedia) {
+ result += " ";
+ result += m_lstMedia->mediaText();
+ }
+ result += ";";
+
+ return result;
+}
+
+} // namespace WebCore