WebCore/bindings/js/JSDocumentCustom.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSDocumentCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 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 "ExceptionCode.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "HTMLDocument.h"
+#include "JSCanvasRenderingContext2D.h"
+#if ENABLE(3D_CANVAS)
+#include "JSWebGLRenderingContext.h"
+#endif
+#include "JSDOMWindowCustom.h"
+#include "JSHTMLDocument.h"
+#include "JSLocation.h"
+#include "Location.h"
+#include "ScriptController.h"
+
+#if ENABLE(SVG)
+#include "JSSVGDocument.h"
+#include "SVGDocument.h"
+#endif
+
+#include <wtf/GetPtr.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+void JSDocument::markChildren(MarkStack& markStack)
+{
+    JSNode::markChildren(markStack);
+
+    Document* document = impl();
+    JSGlobalData& globalData = *Heap::heap(this)->globalData();
+
+    markDOMNodesForDocument(markStack, document);
+    markActiveObjectsForContext(markStack, globalData, document);
+    markDOMObjectWrapper(markStack, globalData, document->implementation());
+    markDOMObjectWrapper(markStack, globalData, document->styleSheets());
+    document->markCachedNodeLists(markStack, globalData);
+}
+
+JSValue JSDocument::location(ExecState* exec) const
+{
+    Frame* frame = static_cast<Document*>(impl())->frame();
+    if (!frame)
+        return jsNull();
+
+    Location* location = frame->domWindow()->location();
+    if (DOMObject* wrapper = getCachedDOMObjectWrapper(exec, location))
+        return wrapper;
+
+    JSLocation* jsLocation = new (exec) JSLocation(getDOMStructure<JSLocation>(exec, globalObject()), globalObject(), location);
+    cacheDOMObjectWrapper(exec, location, jsLocation);
+    return jsLocation;
+}
+
+void JSDocument::setLocation(ExecState* exec, JSValue value)
+{
+    Frame* frame = static_cast<Document*>(impl())->frame();
+    if (!frame)
+        return;
+
+    String str = ustringToString(value.toString(exec));
+
+    // IE and Mozilla both resolve the URL relative to the source frame,
+    // not the target frame.
+    Frame* activeFrame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
+    if (activeFrame)
+        str = activeFrame->document()->completeURL(str).string();
+
+    bool userGesture = activeFrame->script()->processingUserGesture(currentWorld(exec));
+    frame->redirectScheduler()->scheduleLocationChange(str, activeFrame->loader()->outgoingReferrer(), !activeFrame->script()->anyPageIsProcessingUserGesture(), false, userGesture);
+}
+
+JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, Document* document)
+{
+    if (!document)
+        return jsNull();
+
+    DOMObject* wrapper = getCachedDOMNodeWrapper(exec, document, document);
+    if (wrapper)
+        return wrapper;
+
+    if (document->isHTMLDocument())
+        wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, HTMLDocument, document);
+#if ENABLE(SVG)
+    else if (document->isSVGDocument())
+        wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, SVGDocument, document);
+#endif
+    else
+        wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Document, document);
+
+    // Make sure the document is kept around by the window object, and works right with the
+    // back/forward cache.
+    if (!document->frame()) {
+        size_t nodeCount = 0;
+        for (Node* n = document; n; n = n->traverseNextNode())
+            nodeCount++;
+        
+        exec->heap()->reportExtraMemoryCost(nodeCount * sizeof(Node));
+    }
+
+    return wrapper;
+}
+
+} // namespace WebCore