Add V8 bindings for Worker (Part I).

webkit/port/bindings/v8/WorkerScriptController.h

+/*
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. 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. 
+ *
+ */
+
+#ifndef WorkerScriptController_h
+#define WorkerScriptController_h
+
+#if ENABLE(WORKERS)
+
+#include "v8.h"
+
+namespace WebCore {
+
+    class ScriptSourceCode;
+    class ScriptValue;
+    class WorkerContext;
+
+    class WorkerScriptController {
+    public:
+        WorkerScriptController(WorkerContext*);
+        ~WorkerScriptController();
+
+        ScriptValue evaluate(const ScriptSourceCode&);
+
+        void forbidExecution();
+
+    private:
+        void InitContextIfNeeded();
+        void Dispose();
+
+        WorkerContext* m_workerContext;
+        v8::Persistent<v8::Context> m_context;
+
+        Mutex m_sharedDataMutex;
+        bool m_executionForbidden;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(WORKERS)
+
+#endif // WorkerScriptController_h