diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSDatabaseCustom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSDatabaseCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2007 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 "JSDatabase.h"
+
+#if ENABLE(DATABASE)
+
+#include "DOMWindow.h"
+#include "Database.h"
+#include "Document.h"
+#include "ExceptionCode.h"
+#include "JSSQLTransactionCallback.h"
+#include "JSSQLTransactionErrorCallback.h"
+#include "JSCustomVoidCallback.h"
+#include "JSDOMWindowCustom.h"
+#include "PlatformString.h"
+#include "SQLValue.h"
+#include <runtime/JSArray.h>
+
+namespace WebCore {
+
+using namespace JSC;
+
+JSValue JSDatabase::changeVersion(ExecState* exec)
+{
+    String oldVersion = ustringToString(exec->argument(0).toString(exec));
+    if (exec->hadException())
+        return jsUndefined();
+
+    String newVersion = ustringToString(exec->argument(1).toString(exec));
+    if (exec->hadException())
+        return jsUndefined();
+
+    JSObject* object = exec->argument(2).getObject();
+    if (!object) {
+        setDOMException(exec, TYPE_MISMATCH_ERR);
+        return jsUndefined();
+    }
+
+    RefPtr<SQLTransactionCallback> callback(JSSQLTransactionCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject())));
+
+    RefPtr<SQLTransactionErrorCallback> errorCallback;
+    if (!exec->argument(3).isNull()) {
+        object = exec->argument(3).getObject();
+        if (!object) {
+            setDOMException(exec, TYPE_MISMATCH_ERR);
+            return jsUndefined();
+        }
+
+        errorCallback = JSSQLTransactionErrorCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));
+    }
+
+    RefPtr<VoidCallback> successCallback;
+    if (!exec->argument(4).isNull()) {
+        object = exec->argument(4).getObject();
+        if (!object) {
+            setDOMException(exec, TYPE_MISMATCH_ERR);
+            return jsUndefined();
+        }
+
+        successCallback = JSCustomVoidCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));
+    }
+
+    m_impl->changeVersion(oldVersion, newVersion, callback.release(), errorCallback.release(), successCallback.release());
+
+    return jsUndefined();
+}
+
+static JSValue createTransaction(ExecState* exec, Database* database, JSDOMGlobalObject* globalObject, bool readOnly)
+{
+    JSObject* object = exec->argument(0).getObject();
+
+    if (!object) {
+        setDOMException(exec, TYPE_MISMATCH_ERR);
+        return jsUndefined();
+    }
+
+    RefPtr<SQLTransactionCallback> callback(JSSQLTransactionCallback::create(object, globalObject));
+    RefPtr<SQLTransactionErrorCallback> errorCallback;
+    if (exec->argumentCount() > 1 && !exec->argument(1).isNull()) {
+        object = exec->argument(1).getObject();
+        if (!object) {
+            setDOMException(exec, TYPE_MISMATCH_ERR);
+            return jsUndefined();
+        }
+
+        errorCallback = JSSQLTransactionErrorCallback::create(object, globalObject);
+    }
+
+    RefPtr<VoidCallback> successCallback;
+    if (exec->argumentCount() > 2 && !exec->argument(2).isNull()) {
+        object = exec->argument(2).getObject();
+        if (!object) {
+            setDOMException(exec, TYPE_MISMATCH_ERR);
+            return jsUndefined();
+        }
+
+        successCallback = JSCustomVoidCallback::create(object, globalObject);
+    }
+
+    database->transaction(callback.release(), errorCallback.release(), successCallback.release(), readOnly);
+    return jsUndefined();
+}
+
+JSValue JSDatabase::transaction(ExecState* exec)
+{
+    return createTransaction(exec, m_impl.get(), static_cast<JSDOMGlobalObject*>(globalObject()), false);
+}
+
+JSValue JSDatabase::readTransaction(ExecState* exec)
+{
+    return createTransaction(exec, m_impl.get(), static_cast<JSDOMGlobalObject*>(globalObject()), true);
+}
+
+}
+
+#endif // ENABLE(DATABASE)