src/plugins/litehtml_viewer/litehtml/formatting_context.h

   1 #ifndef LITEHTML_FLOATS_HOLDER_H
   2 #define LITEHTML_FLOATS_HOLDER_H
   3
   4 #include <list>
   5 #include "types.h"
   6
   7 namespace litehtml
   8 {
   9         class formatting_context
  10         {
  11         private:
  12                 std::list<floated_box> m_floats_left;
  13                 std::list<floated_box> m_floats_right;
  14                 int_int_cache m_cache_line_left;
  15                 int_int_cache m_cache_line_right;
  16                 int m_current_top;
  17                 int m_current_left;
  18
  19         public:
  20                 formatting_context() : m_current_top(0), m_current_left(0)      {}
  21
  22                 void push_position(int x, int y)
  23                 {
  24                         m_current_left += x;
  25                         m_current_top += y;
  26                 }
  27                 void pop_position(int x, int y)
  28                 {
  29                         m_current_left -= x;
  30                         m_current_top -= y;
  31                 }
  32
  33                 void add_float(const std::shared_ptr<render_item> &el, int min_width, int context);
  34                 void clear_floats(int context);
  35                 int find_next_line_top( int top, int width, int def_right );
  36                 int get_floats_height(element_float el_float = float_none) const;
  37                 int get_left_floats_height() const;
  38                 int get_right_floats_height() const;
  39                 int get_line_left( int y );
  40                 void get_line_left_right( int y, int def_right, int& ln_left, int& ln_right )
  41                 {
  42                         ln_left         = get_line_left(y);
  43                         ln_right        = get_line_right(y, def_right);
  44                 }
  45                 int get_line_right( int y, int def_right );
  46                 int get_cleared_top(const std::shared_ptr<render_item> &el, int line_top) const;
  47                 void update_floats(int dy, const std::shared_ptr<render_item> &parent);
  48                 void apply_relative_shift(const containing_block_context &containing_block_size);
  49                 int find_min_left(int y, int context_idx);
  50                 int find_min_right(int y, int right, int context_idx);
  51         };
  52 }
  53
  54 #endif //LITEHTML_FLOATS_HOLDER_H