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#ifndef LH_DOCUMENT_CONTAINER_H
#define LH_DOCUMENT_CONTAINER_H
#include "types.h"
#include "web_color.h"
#include "background.h"
#include "borders.h"
#include "element.h"
#include "font_description.h"
#include <memory>
#include <functional>
namespace litehtml
{
struct list_marker
{
string image;
const char* baseurl;
list_style_type marker_type;
web_color color;
position pos;
int index;
uint_ptr font;
};
enum mouse_event
{
mouse_event_enter,
mouse_event_leave,
};
// call back interface to draw text, images and other elements
class document_container
{
public:
virtual litehtml::uint_ptr create_font(const font_description& descr, const document* doc, litehtml::font_metrics* fm) = 0;
virtual void delete_font(litehtml::uint_ptr hFont) = 0;
virtual int text_width(const char* text, litehtml::uint_ptr hFont) = 0;
virtual void draw_text(litehtml::uint_ptr hdc, const char* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) = 0;
virtual int pt_to_px(int pt) const = 0;
virtual int get_default_font_size() const = 0;
virtual const char* get_default_font_name() const = 0;
virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) = 0;
virtual void load_image(const char* src, const char* baseurl, bool redraw_on_ready) = 0;
virtual void get_image_size(const char* src, const char* baseurl, litehtml::size& sz) = 0;
virtual void draw_image(litehtml::uint_ptr hdc, const background_layer& layer, const std::string& url, const std::string& base_url) = 0;
virtual void draw_solid_fill(litehtml::uint_ptr hdc, const background_layer& layer, const web_color& color) = 0;
virtual void draw_linear_gradient(litehtml::uint_ptr hdc, const background_layer& layer, const background_layer::linear_gradient& gradient) = 0;
virtual void draw_radial_gradient(litehtml::uint_ptr hdc, const background_layer& layer, const background_layer::radial_gradient& gradient) = 0;
virtual void draw_conic_gradient(litehtml::uint_ptr hdc, const background_layer& layer, const background_layer::conic_gradient& gradient) = 0;
virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) = 0;
virtual void set_caption(const char* caption) = 0;
virtual void set_base_url(const char* base_url) = 0;
virtual void link(const std::shared_ptr<litehtml::document>& doc, const litehtml::element::ptr& el) = 0;
virtual void on_anchor_click(const char* url, const litehtml::element::ptr& el) = 0;
virtual bool on_element_click(const litehtml::element::ptr& /*el*/) { return false; };
virtual void on_mouse_event(const litehtml::element::ptr& el, litehtml::mouse_event event) = 0;
virtual void set_cursor(const char* cursor) = 0;
virtual void transform_text(litehtml::string& text, litehtml::text_transform tt) = 0;
virtual void import_css(litehtml::string& text, const litehtml::string& url, litehtml::string& baseurl) = 0;
virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius) = 0;
virtual void del_clip() = 0;
virtual void get_viewport(litehtml::position& viewport) const = 0;
virtual litehtml::element::ptr create_element( const char* tag_name,
const litehtml::string_map& attributes,
const std::shared_ptr<litehtml::document>& doc) = 0;
virtual void get_media_features(litehtml::media_features& media) const = 0;
virtual void get_language(litehtml::string& language, litehtml::string& culture) const = 0;
virtual litehtml::string resolve_color(const litehtml::string& /*color*/) const { return litehtml::string(); }
virtual void split_text(const char* text, const std::function<void(const char*)>& on_word, const std::function<void(const char*)>& on_space);
protected:
virtual ~document_container() = default;
};
}
#endif // LH_DOCUMENT_CONTAINER_H
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