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Diffstat (limited to 'Source/WebCore/rendering/style/ContentData.h')
-rw-r--r-- | Source/WebCore/rendering/style/ContentData.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/style/ContentData.h b/Source/WebCore/rendering/style/ContentData.h new file mode 100644 index 0000000..4f964a2 --- /dev/null +++ b/Source/WebCore/rendering/style/ContentData.h @@ -0,0 +1,112 @@ +/* + * 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, 2010 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 "CounterContent.h" +#include <wtf/OwnPtr.h> +#include <wtf/PassOwnPtr.h> + +namespace WebCore { + +class StyleImage; + +struct ContentData : Noncopyable { +public: + ContentData() + : m_type(CONTENT_NONE) + { + } + + ~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 + { + ASSERT(isImage()); + return m_content.m_image; + } + void setImage(PassRefPtr<StyleImage> image) + { + deleteContent(); + m_type = CONTENT_OBJECT; + m_content.m_image = image.leakRef(); + } + + StringImpl* text() const + { + ASSERT(isText()); + return m_content.m_text; + } + void setText(PassRefPtr<StringImpl> text) + { + deleteContent(); + m_type = CONTENT_TEXT; + m_content.m_text = text.leakRef(); + } + + CounterContent* counter() const + { + ASSERT(isCounter()); + return m_content.m_counter; + } + void setCounter(PassOwnPtr<CounterContent> counter) + { + deleteContent(); + m_type = CONTENT_COUNTER; + m_content.m_counter = counter.leakPtr(); + } + + ContentData* next() const { return m_next.get(); } + void setNext(PassOwnPtr<ContentData> next) { m_next = next; } + +private: + void deleteContent(); + + StyleContentType m_type; + union { + StyleImage* m_image; + StringImpl* m_text; + CounterContent* m_counter; + } m_content; + OwnPtr<ContentData> m_next; +}; + +} // namespace WebCore + +#endif // ContentData_h |