Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 68 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/API/JSWeakObjectMapRefInternal.h b/Source/JavaScriptCore/API/JSWeakObjectMapRefInternal.h
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+++ b/Source/JavaScriptCore/API/JSWeakObjectMapRefInternal.h
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+/*
+ * Copyright (C) 2010 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 INC. 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 INC. 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.
+ */
+
+#ifndef JSWeakObjectMapRefInternal_h
+#define JSWeakObjectMapRefInternal_h
+
+#include "WeakGCMap.h"
+#include <wtf/RefCounted.h>
+
+namespace JSC {
+
+class JSObject;
+
+}
+
+typedef void (*JSWeakMapDestroyedCallback)(struct OpaqueJSWeakObjectMap*, void*);
+
+typedef JSC::WeakGCMap<void*, JSC::JSObject> WeakMapType;
+
+struct OpaqueJSWeakObjectMap : public RefCounted<OpaqueJSWeakObjectMap> {
+public:
+    static PassRefPtr<OpaqueJSWeakObjectMap> create(void* data, JSWeakMapDestroyedCallback callback)
+    {
+        return adoptRef(new OpaqueJSWeakObjectMap(data, callback));
+    }
+
+    WeakMapType& map() { return m_map; }
+    
+    ~OpaqueJSWeakObjectMap()
+    {
+        m_callback(this, m_data);
+    }
+
+private:
+    OpaqueJSWeakObjectMap(void* data, JSWeakMapDestroyedCallback callback)
+        : m_data(data)
+        , m_callback(callback)
+    {
+    }
+    WeakMapType m_map;
+    void* m_data;
+    JSWeakMapDestroyedCallback m_callback;
+};
+
+
+#endif // JSWeakObjectMapInternal_h