formatting_context.h

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#ifndef LITEHTML_FLOATS_HOLDER_H
#define LITEHTML_FLOATS_HOLDER_H
 
#include <list>
#include "types.h"
 
namespace litehtml
{
    class formatting_context
    {
    private:
        std::list<floated_box> m_floats_left;
        std::list<floated_box> m_floats_right;
        int_int_cache m_cache_line_left;
        int_int_cache m_cache_line_right;
        int m_current_top;
        int m_current_left;
 
    public:
        formatting_context() : m_current_top(0), m_current_left(0)  {}
 
        void push_position(int x, int y)
        {
            m_current_left += x;
            m_current_top += y;
        }
        void pop_position(int x, int y)
        {
            m_current_left -= x;
            m_current_top -= y;
        }
 
        void add_float(const std::shared_ptr<render_item> &el, int min_width, int context);
        void clear_floats(int context);
        int find_next_line_top( int top, int width, int def_right );
        int get_floats_height(element_float el_float = float_none) const;
        int get_left_floats_height() const;
        int get_right_floats_height() const;
        int get_line_left( int y );
        void get_line_left_right( int y, int def_right, int& ln_left, int& ln_right )
        {
            ln_left     = get_line_left(y);
            ln_right    = get_line_right(y, def_right);
        }
        int get_line_right( int y, int def_right );
        int get_cleared_top(const std::shared_ptr<render_item> &el, int line_top) const;
        void update_floats(int dy, const std::shared_ptr<render_item> &parent);
        void apply_relative_shift(const containing_block_context &containing_block_size);
        int find_min_left(int y, int context_idx);
        int find_min_right(int y, int right, int context_idx);
    };
}
 
#endif //LITEHTML_FLOATS_HOLDER_H