2 * Copyright (C) 2004 Apple Computer, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef RUNTIME_ROOT_H_
27 #define RUNTIME_ROOT_H_
30 #include "jni_jsobject.h"
32 #include <runtime/Protect.h>
34 #include <runtime/WeakGCMap.h>
35 #include <wtf/Forward.h>
36 #include <wtf/Noncopyable.h>
37 #include <wtf/PassRefPtr.h>
38 #include <wtf/RefCounted.h>
50 typedef HashCountedSet<JSObject*> ProtectCountSet;
52 extern RootObject* findProtectingRootObject(JSObject*);
53 extern RootObject* findRootObject(JSGlobalObject*);
55 class RootObject : public RefCounted<RootObject> {
56 friend class JavaJSObject;
61 static PassRefPtr<RootObject> create(const void* nativeHandle, JSGlobalObject*);
63 bool isValid() { return m_isValid; }
66 void gcProtect(JSObject*);
67 void gcUnprotect(JSObject*);
68 bool gcIsProtected(JSObject*);
70 const void* nativeHandle() const;
71 JSGlobalObject* globalObject() const;
72 void updateGlobalObject(JSGlobalObject*);
74 void addRuntimeObject(RuntimeObject*);
75 void removeRuntimeObject(RuntimeObject*);
77 struct InvalidationCallback {
78 virtual void operator()(RootObject*) = 0;
79 virtual ~InvalidationCallback();
81 void addInvalidationCallback(InvalidationCallback* callback) { m_invalidationCallbacks.add(callback); }
84 RootObject(const void* nativeHandle, JSGlobalObject*);
88 const void* m_nativeHandle;
89 ProtectedPtr<JSGlobalObject> m_globalObject;
91 ProtectCountSet m_protectCountSet;
92 WeakGCMap<RuntimeObject*, RuntimeObject*> m_runtimeObjects; // Really need a WeakGCSet, but this will do.
94 HashSet<InvalidationCallback*> m_invalidationCallbacks;
97 } // namespace Bindings
101 #endif // RUNTIME_ROOT_H_