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Diffstat (limited to 'WebCore/rendering/RenderWidgetProtector.h')
-rw-r--r-- | WebCore/rendering/RenderWidgetProtector.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/WebCore/rendering/RenderWidgetProtector.h b/WebCore/rendering/RenderWidgetProtector.h new file mode 100644 index 0000000..788304c --- /dev/null +++ b/WebCore/rendering/RenderWidgetProtector.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2009 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. ``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 + * 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 RenderWidgetProtector_h +#define RenderWidgetProtector_h + +#include "RenderWidget.h" + +namespace WebCore { + +class RenderWidgetProtector : private Noncopyable { +public: + RenderWidgetProtector(RenderWidget* object) + : m_object(object) + , m_arena(object->ref()) + { + } + + ~RenderWidgetProtector() + { + m_object->deref(m_arena); + } + +private: + RenderWidget* m_object; + RenderArena* m_arena; +}; + +} + +#endif // RenderWidgetProtector_h |