1 files changed, 83 insertions, 0 deletions
diff --git a/WebCore/bindings/js/JSDatabaseCallback.cpp b/WebCore/bindings/js/JSDatabaseCallback.cpp
new file mode 100644
index 0000000..6887c86
--- /dev/null
+++ b/WebCore/bindings/js/JSDatabaseCallback.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "JSDatabaseCallback.h"
+
+#if ENABLE(DATABASE)
+
+#include "Frame.h"
+#include "JSDatabase.h"
+#include "ScriptExecutionContext.h"
+#include <runtime/JSLock.h>
+#include <wtf/MainThread.h>
+
+namespace WebCore {
+
+using namespace JSC;
+
+JSDatabaseCallback::JSDatabaseCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
+    : m_data(new JSCallbackData(callback, globalObject))
+    , m_isolatedWorld(globalObject->world())
+{
+}
+
+JSDatabaseCallback::~JSDatabaseCallback()
+{
+    callOnMainThread(JSCallbackData::deleteData, m_data);
+#ifndef NDEBUG
+    m_data = 0;
+#endif
+}
+
+void JSDatabaseCallback::handleEvent(ScriptExecutionContext* context, Database* database)
+{
+    ASSERT(m_data);
+    ASSERT(context);
+
+    RefPtr<JSDatabaseCallback> protect(this);
+
+    JSC::JSLock lock(SilenceAssertionsOnly);
+
+    JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(context, m_isolatedWorld.get());
+    if (!globalObject)
+        return;
+
+    ExecState* exec = globalObject->globalExec();
+    MarkedArgumentBuffer args;
+    args.append(toJS(exec, database));
+
+    bool ignored;
+    m_data->invokeCallback(args, &ignored);
+}
+
+}
+
+#endif // ENABLE(DATABASE)