53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
#include <LibHTML/DOM/Document.h>
|
|
#include <LibHTML/DOM/ParentNode.h>
|
|
#include <LibHTML/Layout/LayoutNode.h>
|
|
#include <LibHTML/Layout/LayoutText.h>
|
|
#include <LibHTML/Layout/LayoutTreeBuilder.h>
|
|
|
|
LayoutTreeBuilder::LayoutTreeBuilder()
|
|
{
|
|
}
|
|
|
|
static RefPtr<LayoutNode> create_layout_tree(Node& node, const StyleProperties* parent_style)
|
|
{
|
|
auto layout_node = node.create_layout_node(parent_style);
|
|
if (!layout_node)
|
|
return nullptr;
|
|
|
|
if (!node.has_children())
|
|
return layout_node;
|
|
|
|
NonnullRefPtrVector<LayoutNode> layout_children;
|
|
bool have_inline_children = false;
|
|
bool have_block_children = false;
|
|
|
|
to<ParentNode>(node).for_each_child([&](Node& child) {
|
|
auto layout_child = create_layout_tree(child, &layout_node->style());
|
|
if (!layout_child)
|
|
return;
|
|
if (layout_child->is_inline())
|
|
have_inline_children = true;
|
|
if (layout_child->is_block())
|
|
have_block_children = true;
|
|
layout_children.append(layout_child.release_nonnull());
|
|
});
|
|
|
|
for (auto& layout_child : layout_children) {
|
|
if (have_block_children && have_inline_children && layout_child.is_inline()) {
|
|
if (is<LayoutText>(layout_child) && to<LayoutText>(layout_child).text_for_style(*parent_style) == " ")
|
|
continue;
|
|
layout_node->inline_wrapper().append_child(layout_child);
|
|
} else {
|
|
layout_node->append_child(layout_child);
|
|
}
|
|
}
|
|
|
|
return layout_node;
|
|
}
|
|
|
|
RefPtr<LayoutNode> LayoutTreeBuilder::build(Node& node)
|
|
{
|
|
// FIXME: Support building partial trees.
|
|
ASSERT(is<Document>(node));
|
|
return create_layout_tree(node, nullptr);
|
|
}
|