1 #include "html.h"
2 #include "element.h"
3 #include "document.h"
4
5 #define LITEHTML_EMPTY_FUNC {}
6 #define LITEHTML_RETURN_FUNC(ret) {return ret;}
7
element(const std::shared_ptr<litehtml::document> & doc)8 litehtml::element::element(const std::shared_ptr<litehtml::document>& doc) : m_doc(doc)
9 {
10 m_box = 0;
11 m_skip = false;
12 }
13
~element()14 litehtml::element::~element()
15 {
16
17 }
18
19
is_point_inside(int x,int y)20 bool litehtml::element::is_point_inside( int x, int y )
21 {
22 if(get_display() != display_inline && get_display() != display_table_row)
23 {
24 position pos = m_pos;
25 pos += m_padding;
26 pos += m_borders;
27 if(pos.is_point_inside(x, y))
28 {
29 return true;
30 } else
31 {
32 return false;
33 }
34 } else
35 {
36 position::vector boxes;
37 get_inline_boxes(boxes);
38 for(position::vector::iterator box = boxes.begin(); box != boxes.end(); box++)
39 {
40 if(box->is_point_inside(x, y))
41 {
42 return true;
43 }
44 }
45 }
46 return false;
47 }
48
get_color(const tchar_t * prop_name,bool inherited,const litehtml::web_color & def_color)49 litehtml::web_color litehtml::element::get_color( const tchar_t* prop_name, bool inherited, const litehtml::web_color& def_color )
50 {
51 const tchar_t* clrstr = get_style_property(prop_name, inherited, 0);
52 if(!clrstr)
53 {
54 return def_color;
55 }
56 return web_color::from_string(clrstr, get_document()->container());
57 }
58
get_placement() const59 litehtml::position litehtml::element::get_placement() const
60 {
61 litehtml::position pos = m_pos;
62 element::ptr cur_el = parent();
63 while(cur_el)
64 {
65 pos.x += cur_el->m_pos.x;
66 pos.y += cur_el->m_pos.y;
67 cur_el = cur_el->parent();
68 }
69 return pos;
70 }
71
is_inline_box() const72 bool litehtml::element::is_inline_box() const
73 {
74 style_display d = get_display();
75 if( d == display_inline ||
76 d == display_inline_block ||
77 d == display_inline_text)
78 {
79 return true;
80 }
81 return false;
82 }
83
collapse_top_margin() const84 bool litehtml::element::collapse_top_margin() const
85 {
86 if(!m_borders.top && !m_padding.top && in_normal_flow() && get_float() == float_none && m_margins.top >= 0 && have_parent())
87 {
88 return true;
89 }
90 return false;
91 }
92
collapse_bottom_margin() const93 bool litehtml::element::collapse_bottom_margin() const
94 {
95 if(!m_borders.bottom && !m_padding.bottom && in_normal_flow() && get_float() == float_none && m_margins.bottom >= 0 && have_parent())
96 {
97 return true;
98 }
99 return false;
100 }
101
get_predefined_height(int & p_height) const102 bool litehtml::element::get_predefined_height(int& p_height) const
103 {
104 css_length h = get_css_height();
105 if(h.is_predefined())
106 {
107 p_height = m_pos.height;
108 return false;
109 }
110 if(h.units() == css_units_percentage)
111 {
112 element::ptr el_parent = parent();
113 if (!el_parent)
114 {
115 position client_pos;
116 get_document()->container()->get_client_rect(client_pos);
117 p_height = h.calc_percent(client_pos.height);
118 return true;
119 } else
120 {
121 int ph = 0;
122 if (el_parent->get_predefined_height(ph))
123 {
124 p_height = h.calc_percent(ph);
125 if (is_body())
126 {
127 p_height -= content_margins_height();
128 }
129 return true;
130 } else
131 {
132 p_height = m_pos.height;
133 return false;
134 }
135 }
136 }
137 p_height = get_document()->cvt_units(h, get_font_size());
138 return true;
139 }
140
calc_document_size(litehtml::size & sz,int x,int y)141 void litehtml::element::calc_document_size( litehtml::size& sz, int x /*= 0*/, int y /*= 0*/ )
142 {
143 if(is_visible())
144 {
145 sz.width = std::max(sz.width, x + right());
146 sz.height = std::max(sz.height, y + bottom());
147 }
148 }
149
get_redraw_box(litehtml::position & pos,int x,int y)150 void litehtml::element::get_redraw_box(litehtml::position& pos, int x /*= 0*/, int y /*= 0*/)
151 {
152 if(is_visible())
153 {
154 int p_left = std::min(pos.left(), x + m_pos.left() - m_padding.left - m_borders.left);
155 int p_right = std::max(pos.right(), x + m_pos.right() + m_padding.left + m_borders.left);
156 int p_top = std::min(pos.top(), y + m_pos.top() - m_padding.top - m_borders.top);
157 int p_bottom = std::max(pos.bottom(), y + m_pos.bottom() + m_padding.bottom + m_borders.bottom);
158
159 pos.x = p_left;
160 pos.y = p_top;
161 pos.width = p_right - p_left;
162 pos.height = p_bottom - p_top;
163 }
164 }
165
calc_width(int defVal) const166 int litehtml::element::calc_width(int defVal) const
167 {
168 css_length w = get_css_width();
169 if(w.is_predefined())
170 {
171 return defVal;
172 }
173 if(w.units() == css_units_percentage)
174 {
175 element::ptr el_parent = parent();
176 if (!el_parent)
177 {
178 position client_pos;
179 get_document()->container()->get_client_rect(client_pos);
180 return w.calc_percent(client_pos.width);
181 } else
182 {
183 int pw = el_parent->calc_width(defVal);
184 if (is_body())
185 {
186 pw -= content_margins_width();
187 }
188 return w.calc_percent(pw);
189 }
190 }
191 return get_document()->cvt_units(w, get_font_size());
192 }
193
is_ancestor(const ptr & el) const194 bool litehtml::element::is_ancestor(const ptr &el) const
195 {
196 element::ptr el_parent = parent();
197 while(el_parent && el_parent != el)
198 {
199 el_parent = el_parent->parent();
200 }
201 if(el_parent)
202 {
203 return true;
204 }
205 return false;
206 }
207
get_inline_shift_left()208 int litehtml::element::get_inline_shift_left()
209 {
210 int ret = 0;
211 element::ptr el_parent = parent();
212 if (el_parent)
213 {
214 if (el_parent->get_display() == display_inline)
215 {
216 style_display disp = get_display();
217
218 if (disp == display_inline_text || disp == display_inline_block)
219 {
220 element::ptr el = shared_from_this();
221 while (el_parent && el_parent->get_display() == display_inline)
222 {
223 if (el_parent->is_first_child_inline(el))
224 {
225 ret += el_parent->padding_left() + el_parent->border_left() + el_parent->margin_left();
226 }
227 el = el_parent;
228 el_parent = el_parent->parent();
229 }
230 }
231 }
232 }
233
234 return ret;
235 }
236
get_inline_shift_right()237 int litehtml::element::get_inline_shift_right()
238 {
239 int ret = 0;
240 element::ptr el_parent = parent();
241 if (el_parent)
242 {
243 if (el_parent->get_display() == display_inline)
244 {
245 style_display disp = get_display();
246
247 if (disp == display_inline_text || disp == display_inline_block)
248 {
249 element::ptr el = shared_from_this();
250 while (el_parent && el_parent->get_display() == display_inline)
251 {
252 if (el_parent->is_last_child_inline(el))
253 {
254 ret += el_parent->padding_right() + el_parent->border_right() + el_parent->margin_right();
255 }
256 el = el_parent;
257 el_parent = el_parent->parent();
258 }
259 }
260 }
261 }
262
263 return ret;
264 }
265
apply_relative_shift(int parent_width)266 void litehtml::element::apply_relative_shift(int parent_width)
267 {
268 css_offsets offsets;
269 if (get_element_position(&offsets) == element_position_relative)
270 {
271 element::ptr parent_ptr = parent();
272 if (!offsets.left.is_predefined())
273 {
274 m_pos.x += offsets.left.calc_percent(parent_width);
275 }
276 else if (!offsets.right.is_predefined())
277 {
278 m_pos.x -= offsets.right.calc_percent(parent_width);
279 }
280 if (!offsets.top.is_predefined())
281 {
282 int h = 0;
283
284 if (offsets.top.units() == css_units_percentage)
285 {
286 element::ptr el_parent = parent();
287 if (el_parent)
288 {
289 el_parent->get_predefined_height(h);
290 }
291 }
292
293 m_pos.y += offsets.top.calc_percent(h);
294 }
295 else if (!offsets.bottom.is_predefined())
296 {
297 int h = 0;
298
299 if (offsets.top.units() == css_units_percentage)
300 {
301 element::ptr el_parent = parent();
302 if (el_parent)
303 {
304 el_parent->get_predefined_height(h);
305 }
306 }
307
308 m_pos.y -= offsets.bottom.calc_percent(h);
309 }
310 }
311 }
312
313 void litehtml::element::calc_auto_margins(int parent_width) LITEHTML_EMPTY_FUNC
314 const litehtml::background* litehtml::element::get_background(bool own_only) LITEHTML_RETURN_FUNC(0)
315 litehtml::element::ptr litehtml::element::get_element_by_point(int x, int y, int client_x, int client_y) LITEHTML_RETURN_FUNC(0)
316 litehtml::element::ptr litehtml::element::get_child_by_point(int x, int y, int client_x, int client_y, draw_flag flag, int zindex) LITEHTML_RETURN_FUNC(0)
317 void litehtml::element::get_line_left_right( int y, int def_right, int& ln_left, int& ln_right ) LITEHTML_EMPTY_FUNC
318 void litehtml::element::add_style( const litehtml::style& st ) LITEHTML_EMPTY_FUNC
319 void litehtml::element::select_all(const css_selector& selector, litehtml::elements_vector& res) LITEHTML_EMPTY_FUNC
320 litehtml::elements_vector litehtml::element::select_all(const litehtml::css_selector& selector) LITEHTML_RETURN_FUNC(litehtml::elements_vector())
321 litehtml::elements_vector litehtml::element::select_all(const litehtml::tstring& selector) LITEHTML_RETURN_FUNC(litehtml::elements_vector())
322 litehtml::element::ptr litehtml::element::select_one( const css_selector& selector ) LITEHTML_RETURN_FUNC(0)
323 litehtml::element::ptr litehtml::element::select_one( const tstring& selector ) LITEHTML_RETURN_FUNC(0)
324 litehtml::element::ptr litehtml::element::find_adjacent_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo /*= true*/, bool* is_pseudo /*= 0*/) LITEHTML_RETURN_FUNC(0)
325 litehtml::element::ptr litehtml::element::find_sibling(const element::ptr& el, const css_selector& selector, bool apply_pseudo /*= true*/, bool* is_pseudo /*= 0*/) LITEHTML_RETURN_FUNC(0)
326 bool litehtml::element::is_nth_last_child(const element::ptr& el, int num, int off, bool of_type) const LITEHTML_RETURN_FUNC(false)
327 bool litehtml::element::is_nth_child(const element::ptr&, int num, int off, bool of_type) const LITEHTML_RETURN_FUNC(false)
328 bool litehtml::element::is_only_child(const element::ptr& el, bool of_type) const LITEHTML_RETURN_FUNC(false)
329 litehtml::overflow litehtml::element::get_overflow() const LITEHTML_RETURN_FUNC(overflow_visible)
330 void litehtml::element::draw_children( uint_ptr hdc, int x, int y, const position* clip, draw_flag flag, int zindex ) LITEHTML_EMPTY_FUNC
331 void litehtml::element::draw_stacking_context( uint_ptr hdc, int x, int y, const position* clip, bool with_positioned ) LITEHTML_EMPTY_FUNC
332 void litehtml::element::render_positioned(render_type rt) LITEHTML_EMPTY_FUNC
333 int litehtml::element::get_zindex() const LITEHTML_RETURN_FUNC(0)
334 bool litehtml::element::fetch_positioned() LITEHTML_RETURN_FUNC(false)
335 litehtml::visibility litehtml::element::get_visibility() const LITEHTML_RETURN_FUNC(visibility_visible)
336 void litehtml::element::apply_vertical_align() LITEHTML_EMPTY_FUNC
337 void litehtml::element::set_css_width( css_length& w ) LITEHTML_EMPTY_FUNC
338 litehtml::element::ptr litehtml::element::get_child( int idx ) const LITEHTML_RETURN_FUNC(0)
339 size_t litehtml::element::get_children_count() const LITEHTML_RETURN_FUNC(0)
340 void litehtml::element::calc_outlines( int parent_width ) LITEHTML_EMPTY_FUNC
341 litehtml::css_length litehtml::element::get_css_width() const LITEHTML_RETURN_FUNC(css_length())
342 litehtml::css_length litehtml::element::get_css_height() const LITEHTML_RETURN_FUNC(css_length())
343 litehtml::element_clear litehtml::element::get_clear() const LITEHTML_RETURN_FUNC(clear_none)
344 litehtml::css_length litehtml::element::get_css_left() const LITEHTML_RETURN_FUNC(css_length())
345 litehtml::css_length litehtml::element::get_css_right() const LITEHTML_RETURN_FUNC(css_length())
346 litehtml::css_length litehtml::element::get_css_top() const LITEHTML_RETURN_FUNC(css_length())
347 litehtml::css_length litehtml::element::get_css_bottom() const LITEHTML_RETURN_FUNC(css_length())
348 litehtml::css_offsets litehtml::element::get_css_offsets() const LITEHTML_RETURN_FUNC(css_offsets())
349 litehtml::vertical_align litehtml::element::get_vertical_align() const LITEHTML_RETURN_FUNC(va_baseline)
350 int litehtml::element::place_element(const ptr &el, int max_width) LITEHTML_RETURN_FUNC(0)
351 int litehtml::element::render_inline(const ptr &container, int max_width) LITEHTML_RETURN_FUNC(0)
352 void litehtml::element::add_positioned(const ptr &el) LITEHTML_EMPTY_FUNC
353 int litehtml::element::find_next_line_top( int top, int width, int def_right ) LITEHTML_RETURN_FUNC(0)
354 litehtml::element_float litehtml::element::get_float() const LITEHTML_RETURN_FUNC(float_none)
355 void litehtml::element::add_float(const ptr &el, int x, int y) LITEHTML_EMPTY_FUNC
356 void litehtml::element::update_floats(int dy, const ptr &parent) LITEHTML_EMPTY_FUNC
357 int litehtml::element::get_line_left( int y ) LITEHTML_RETURN_FUNC(0)
358 int litehtml::element::get_line_right( int y, int def_right ) LITEHTML_RETURN_FUNC(def_right)
359 int litehtml::element::get_left_floats_height() const LITEHTML_RETURN_FUNC(0)
360 int litehtml::element::get_right_floats_height() const LITEHTML_RETURN_FUNC(0)
361 int litehtml::element::get_floats_height(element_float el_float) const LITEHTML_RETURN_FUNC(0)
362 bool litehtml::element::is_floats_holder() const LITEHTML_RETURN_FUNC(false)
363 void litehtml::element::get_content_size( size& sz, int max_width ) LITEHTML_EMPTY_FUNC
364 void litehtml::element::init() LITEHTML_EMPTY_FUNC
365 int litehtml::element::render( int x, int y, int max_width, bool second_pass ) LITEHTML_RETURN_FUNC(0)
366 bool litehtml::element::appendChild(const ptr &el) LITEHTML_RETURN_FUNC(false)
367 bool litehtml::element::removeChild(const ptr &el) LITEHTML_RETURN_FUNC(false)
368 void litehtml::element::clearRecursive() LITEHTML_EMPTY_FUNC
369 const litehtml::tchar_t* litehtml::element::get_tagName() const LITEHTML_RETURN_FUNC(_t(""))
370 void litehtml::element::set_tagName( const tchar_t* tag ) LITEHTML_EMPTY_FUNC
371 void litehtml::element::set_data( const tchar_t* data ) LITEHTML_EMPTY_FUNC
372 void litehtml::element::set_attr( const tchar_t* name, const tchar_t* val ) LITEHTML_EMPTY_FUNC
373 void litehtml::element::apply_stylesheet( const litehtml::css& stylesheet ) LITEHTML_EMPTY_FUNC
374 void litehtml::element::refresh_styles() LITEHTML_EMPTY_FUNC
375 void litehtml::element::on_click() LITEHTML_EMPTY_FUNC
376 void litehtml::element::init_font() LITEHTML_EMPTY_FUNC
377 void litehtml::element::get_inline_boxes( position::vector& boxes ) LITEHTML_EMPTY_FUNC
378 void litehtml::element::parse_styles( bool is_reparse /*= false*/ ) LITEHTML_EMPTY_FUNC
379 const litehtml::tchar_t* litehtml::element::get_attr( const tchar_t* name, const tchar_t* def /*= 0*/ ) LITEHTML_RETURN_FUNC(def)
380 bool litehtml::element::is_white_space() const LITEHTML_RETURN_FUNC(false)
381 bool litehtml::element::is_body() const LITEHTML_RETURN_FUNC(false)
382 bool litehtml::element::is_break() const LITEHTML_RETURN_FUNC(false)
383 int litehtml::element::get_base_line() LITEHTML_RETURN_FUNC(0)
384 bool litehtml::element::on_mouse_over() LITEHTML_RETURN_FUNC(false)
385 bool litehtml::element::on_mouse_leave() LITEHTML_RETURN_FUNC(false)
386 bool litehtml::element::on_lbutton_down() LITEHTML_RETURN_FUNC(false)
387 bool litehtml::element::on_lbutton_up() LITEHTML_RETURN_FUNC(false)
388 bool litehtml::element::find_styles_changes( position::vector& redraw_boxes, int x, int y ) LITEHTML_RETURN_FUNC(false)
389 const litehtml::tchar_t* litehtml::element::get_cursor() LITEHTML_RETURN_FUNC(0)
390 litehtml::white_space litehtml::element::get_white_space() const LITEHTML_RETURN_FUNC(white_space_normal)
391 litehtml::style_display litehtml::element::get_display() const LITEHTML_RETURN_FUNC(display_none)
392 bool litehtml::element::set_pseudo_class( const tchar_t* pclass, bool add ) LITEHTML_RETURN_FUNC(false)
393 bool litehtml::element::set_class( const tchar_t* pclass, bool add ) LITEHTML_RETURN_FUNC(false)
394 litehtml::element_position litehtml::element::get_element_position(css_offsets* offsets) const LITEHTML_RETURN_FUNC(element_position_static)
395 bool litehtml::element::is_replaced() const LITEHTML_RETURN_FUNC(false)
396 int litehtml::element::line_height() const LITEHTML_RETURN_FUNC(0)
397 void litehtml::element::draw( uint_ptr hdc, int x, int y, const position* clip ) LITEHTML_EMPTY_FUNC
398 void litehtml::element::draw_background( uint_ptr hdc, int x, int y, const position* clip ) LITEHTML_EMPTY_FUNC
399 const litehtml::tchar_t* litehtml::element::get_style_property( const tchar_t* name, bool inherited, const tchar_t* def /*= 0*/ ) LITEHTML_RETURN_FUNC(0)
400 litehtml::uint_ptr litehtml::element::get_font( font_metrics* fm /*= 0*/ ) LITEHTML_RETURN_FUNC(0)
401 int litehtml::element::get_font_size() const LITEHTML_RETURN_FUNC(0)
402 void litehtml::element::get_text( tstring& text ) LITEHTML_EMPTY_FUNC
403 void litehtml::element::parse_attributes() LITEHTML_EMPTY_FUNC
404 int litehtml::element::select( const css_selector& selector, bool apply_pseudo) LITEHTML_RETURN_FUNC(select_no_match)
405 int litehtml::element::select( const css_element_selector& selector, bool apply_pseudo /*= true*/ ) LITEHTML_RETURN_FUNC(select_no_match)
406 litehtml::element::ptr litehtml::element::find_ancestor(const css_selector& selector, bool apply_pseudo, bool* is_pseudo) LITEHTML_RETURN_FUNC(0)
407 bool litehtml::element::is_first_child_inline(const element::ptr& el) const LITEHTML_RETURN_FUNC(false)
408 bool litehtml::element::is_last_child_inline(const element::ptr& el) LITEHTML_RETURN_FUNC(false)
409 bool litehtml::element::have_inline_child() const LITEHTML_RETURN_FUNC(false)
410