#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;
};
}
#endif // ContentData_h