diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSClipboardCustom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSClipboardCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "JSClipboard.h"
+
+#include "Clipboard.h"
+#include "Element.h"
+#include "HTMLImageElement.h"
+#include "HTMLNames.h"
+#include "IntPoint.h"
+#include "JSNode.h"
+#include "Node.h"
+#include "PlatformString.h"
+#include "StringHash.h"
+#include <runtime/ArrayPrototype.h>
+#include <runtime/Error.h>
+#include <wtf/HashSet.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+JSValue JSClipboard::types(ExecState* exec) const
+{
+    Clipboard* clipboard = impl();
+
+    HashSet<String> types = clipboard->types();
+    if (types.isEmpty())
+        return jsNull();
+
+    MarkedArgumentBuffer list;
+    HashSet<String>::const_iterator end = types.end();
+    for (HashSet<String>::const_iterator it = types.begin(); it != end; ++it)
+        list.append(jsString(exec, stringToUString(*it)));
+    return constructArray(exec, list);
+}
+
+JSValue JSClipboard::clearData(ExecState* exec)
+{
+    Clipboard* clipboard = impl();
+
+    if (!exec->argumentCount()) {
+        clipboard->clearAllData();
+        return jsUndefined();
+    }
+
+    if (exec->argumentCount() == 1) {
+        clipboard->clearData(ustringToString(exec->argument(0).toString(exec)));
+        return jsUndefined();
+    }
+
+    // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments. 
+    return throwError(exec, createSyntaxError(exec, "clearData: Invalid number of arguments"));
+}
+
+JSValue JSClipboard::getData(ExecState* exec)
+{
+    // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
+    if (exec->argumentCount() != 1)
+        return throwError(exec, createSyntaxError(exec, "getData: Invalid number of arguments"));
+
+    Clipboard* clipboard = impl();
+
+    bool success;
+    String result = clipboard->getData(ustringToString(exec->argument(0).toString(exec)), success);
+    if (!success)
+        return jsUndefined();
+
+    return jsString(exec, result);
+}
+
+JSValue JSClipboard::setDragImage(ExecState* exec)
+{
+    Clipboard* clipboard = impl();
+
+    if (!clipboard->isForDragging())
+        return jsUndefined();
+
+    // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments. 
+    if (exec->argumentCount() != 3)
+        return throwError(exec, createSyntaxError(exec, "setDragImage: Invalid number of arguments"));
+
+    int x = exec->argument(1).toInt32(exec);
+    int y = exec->argument(2).toInt32(exec);
+
+    // See if they passed us a node
+    Node* node = toNode(exec->argument(0));
+    if (!node)
+        return throwTypeError(exec);
+
+    // FIXME: This should probably be a TypeError. 
+    if (!node->isElementNode())
+        return throwError(exec, createSyntaxError(exec, "setDragImageFromElement: Invalid first argument"));
+
+    if (static_cast<Element*>(node)->hasLocalName(imgTag) && !node->inDocument())
+        clipboard->setDragImage(static_cast<HTMLImageElement*>(node)->cachedImage(), IntPoint(x, y));
+    else
+        clipboard->setDragImageElement(node, IntPoint(x, y));
+
+    return jsUndefined();
+}
+
+} // namespace WebCore