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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/bridge/runtime_root.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/bridge/runtime_root.h')
-rw-r--r-- | Source/WebCore/bridge/runtime_root.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Source/WebCore/bridge/runtime_root.h b/Source/WebCore/bridge/runtime_root.h new file mode 100644 index 0000000..babd7ad --- /dev/null +++ b/Source/WebCore/bridge/runtime_root.h @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2004 Apple Computer, 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 RUNTIME_ROOT_H_ +#define RUNTIME_ROOT_H_ + +#if PLATFORM(MAC) +#include "jni_jsobject.h" +#endif +#include <runtime/Protect.h> + +#include <wtf/Forward.h> +#include <wtf/HashSet.h> +#include <wtf/Noncopyable.h> +#include <wtf/PassRefPtr.h> +#include <wtf/RefCounted.h> + +namespace JSC { + +class Interpreter; +class JSGlobalObject; + +namespace Bindings { + +class RootObject; +class RuntimeObject; + +typedef HashCountedSet<JSObject*> ProtectCountSet; + +extern RootObject* findProtectingRootObject(JSObject*); +extern RootObject* findRootObject(JSGlobalObject*); + +class RootObject : public RefCounted<RootObject> { + friend class JavaJSObject; + +public: + ~RootObject(); + + static PassRefPtr<RootObject> create(const void* nativeHandle, JSGlobalObject*); + + bool isValid() { return m_isValid; } + void invalidate(); + + void gcProtect(JSObject*); + void gcUnprotect(JSObject*); + bool gcIsProtected(JSObject*); + + const void* nativeHandle() const; + JSGlobalObject* globalObject() const; + void updateGlobalObject(JSGlobalObject*); + + void addRuntimeObject(RuntimeObject*); + void removeRuntimeObject(RuntimeObject*); + + struct InvalidationCallback { + virtual void operator()(RootObject*) = 0; + virtual ~InvalidationCallback(); + }; + void addInvalidationCallback(InvalidationCallback* callback) { m_invalidationCallbacks.add(callback); } + +private: + RootObject(const void* nativeHandle, JSGlobalObject*); + + bool m_isValid; + + const void* m_nativeHandle; + ProtectedPtr<JSGlobalObject> m_globalObject; + + ProtectCountSet m_protectCountSet; + HashSet<RuntimeObject*> m_runtimeObjects; + + HashSet<InvalidationCallback*> m_invalidationCallbacks; +}; + +} // namespace Bindings + +} // namespace JSC + +#endif // RUNTIME_ROOT_H_ |