--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/style/ContentData.h Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ * (C) 2000 Antti Koivisto (koivisto@kde.org)
+ * (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef ContentData_h
+#define ContentData_h
+
+#include "RenderStyleConstants.h"
+#include <wtf/Noncopyable.h>
+#include <wtf/PassRefPtr.h>
+
+namespace WebCore {
+
+class CounterContent;
+class StringImpl;
+class StyleImage;
+
+struct ContentData : Noncopyable {
+public:
+ ContentData()
+ : m_type(CONTENT_NONE)
+ , m_next(0)
+ {
+ }
+
+ ~ContentData()
+ {
+ clear();
+ }
+
+ void clear();
+
+ bool isCounter() const { return m_type == CONTENT_COUNTER; }
+ bool isImage() const { return m_type == CONTENT_OBJECT; }
+ bool isNone() const { return m_type == CONTENT_NONE; }
+ bool isText() const { return m_type == CONTENT_TEXT; }
+
+ StyleContentType type() const { return m_type; }
+
+ bool dataEquivalent(const ContentData&) const;
+
+ StyleImage* image() const { return m_content.m_image; }
+ void setImage(PassRefPtr<StyleImage> image)
+ {
+ deleteContent();
+ m_type = CONTENT_OBJECT;
+ m_content.m_image = image.releaseRef();
+ }
+
+ StringImpl* text() const { return m_content.m_text; }
+ void setText(PassRefPtr<StringImpl> text)
+ {
+ deleteContent();
+ m_type = CONTENT_TEXT;
+ m_content.m_text = text.releaseRef();
+ }
+
+ CounterContent* counter() const { return m_content.m_counter; }
+ void setCounter(CounterContent* counter)
+ {
+ deleteContent();
+ m_type = CONTENT_COUNTER;
+ m_content.m_counter = counter;
+ }
+
+ ContentData* next() const { return m_next; }
+ void setNext(ContentData* next)
+ {
+ m_next = next;
+ }
+
+private:
+ void deleteContent();
+
+ StyleContentType m_type;
+ union {
+ StyleImage* m_image;
+ StringImpl* m_text;
+ CounterContent* m_counter;
+ } m_content;
+ ContentData* m_next;
+};
+
+} // namespace WebCore
+
+#endif // ContentData_h