#ifndef ContentData_h
#define ContentData_h
#include "PlatformString.h"
#include "RenderStyleConstants.h"
#include "StringImpl.h"
#include "StyleImage.h"
#include <wtf/Noncopyable.h>
namespace WebCore {
class CounterContent;
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;
};
}
#endif // ContentData_h