webengine/osswebengine/WebCore/bindings/js/JSDocumentCustom.cpp
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/bindings/js/JSDocumentCustom.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2007 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 "JSDocument.h"
+
+#include "Document.h"
+#include "HTMLDocument.h"
+#include "JSHTMLDocument.h"
+#include "kjs_binding.h"
+#include "kjs_window.h"
+
+#if ENABLE(SVG)
+#include "JSSVGDocument.h"
+#include "SVGDocument.h"
+#endif
+
+namespace WebCore {
+
+using namespace KJS;
+
+void JSDocument::mark()
+{
+    DOMObject::mark();
+    ScriptInterpreter::markDOMNodesForDocument(static_cast<Document*>(impl()));
+}
+
+JSValue* toJS(ExecState* exec, Document* doc)
+{
+    if (!doc)
+        return jsNull();
+
+    ScriptInterpreter* interp = static_cast<ScriptInterpreter*>(exec->dynamicInterpreter());
+    JSDocument* ret =  static_cast<JSDocument*>(interp->getDOMObject(doc));
+    if (ret)
+        return ret;
+
+    if (doc->isHTMLDocument())
+        ret = new JSHTMLDocument(exec, static_cast<HTMLDocument*>(doc));
+#if ENABLE(SVG)
+    else if (doc->isSVGDocument())
+        ret = new JSSVGDocument(exec, static_cast<SVGDocument*>(doc));
+#endif
+    else
+        ret = new JSDocument(exec, doc);
+
+    // Make sure the document is kept around by the window object, and works right with the
+    // back/forward cache.
+    if (doc->frame())
+        Window::retrieveWindow(doc->frame())->putDirect("document", ret, DontDelete|ReadOnly);
+    else {
+        size_t nodeCount = 0;
+        for (Node* n = doc; n; n = n->traverseNextNode())
+            nodeCount++;
+        
+        Collector::reportExtraMemoryCost(nodeCount * sizeof(Node));
+    }
+
+    interp->putDOMObject(doc, ret);
+
+    return ret;
+}
+
+} // namespace WebCore