| /* |
| * 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 { |
| WTF_MAKE_NONCOPYABLE(ContentData); WTF_MAKE_FAST_ALLOCATED; |
| 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 isQuote() const { return m_type == CONTENT_QUOTE; } |
| 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(); |
| } |
| |
| QuoteType quote() const |
| { |
| ASSERT(isQuote()); |
| return m_content.m_quote; |
| } |
| void setQuote(QuoteType type) |
| { |
| deleteContent(); |
| m_type = CONTENT_QUOTE; |
| m_content.m_quote = type; |
| } |
| |
| 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; |
| QuoteType m_quote; |
| } m_content; |
| OwnPtr<ContentData> m_next; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ContentData_h |