Modest/source/modest/render/binding.c

94 lines
3.3 KiB
C

/*
Copyright (C) 2016 Alexander Borisov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Author: lex.borisov@gmail.com (Alexander Borisov)
*/
#include "modest/render/binding.h"
modest_render_tree_node_t * modest_render_binding_create_viewport(modest_t* modest, modest_render_tree_t* render_tree)
{
modest_render_tree_node_t* render_node = modest_render_tree_node_create_and_init(render_tree);
render_node->type = MODEST_RENDER_TREE_NODE_TYPE_VIEWPORT;
return render_node;
}
modest_render_tree_node_t * modest_render_binding(modest_t* modest, modest_render_tree_t* render_tree, myhtml_tree_t* html_tree)
{
myhtml_tree_node_t* html_node = html_tree->node_html;
myhtml_tree_node_t* html_scope = html_node;
modest_render_tree_node_t *render_root = modest_render_binding_create_viewport(modest, render_tree);
modest_render_tree_node_t *render_node = render_root;
while(html_node) {
render_node = modest_layer_binding_node(modest, render_tree, render_node, html_node);
if(render_node == NULL && html_node->next) {
modest_node_t *m_node = html_node->parent->data;
render_node = m_node->render_node;
html_node = html_node->next;
}
else if(render_node && html_node->child)
html_node = html_node->child;
else {
while(html_node != html_scope && html_node->next == NULL) {
html_node = html_node->parent;
}
if(html_node == html_scope)
break;
modest_node_t *m_node = html_node->parent->data;
render_node = m_node->render_node;
html_node = html_node->next;
}
}
return render_root;
}
modest_render_tree_node_t * modest_layer_binding_node(modest_t* modest, modest_render_tree_t* render_tree,
modest_render_tree_node_t* render_root, myhtml_tree_node_t* html_node)
{
if(html_node->data == NULL)
return NULL;
mycss_declaration_entry_t *display = modest_declaration_by_type(modest, html_node, MyCSS_PROPERTY_TYPE_DISPLAY);
if(display->value_type == MyCSS_PROPERTY_DISPLAY_NONE)
return NULL;
modest_node_t *m_node = html_node->data;
if(m_node->render_node == NULL) {
m_node->render_node = modest_render_tree_node_create_and_init(render_tree);
}
modest_render_tree_node_t* render_node = m_node->render_node;
modest_render_tree_node_append(render_root, render_node);
render_node->html_node = html_node;
return render_node;
}