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LibWeb: Add LayoutNode::frame() reference getter

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Any live layout tree always has a corresponding live Frame, as we will
never create a layout tree for a frameless document.
This commit is contained in:
Andreas Kling 2020-06-14 16:45:45 +02:00
parent a93fb7299f
commit 62615dfc31
5 changed files with 19 additions and 11 deletions
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17
Libraries/LibWeb/Layout/LayoutNode.cpp
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@ -111,6 +111,18 @@ HitTestResult LayoutNode::hit_test(const Gfx::IntPoint& position) const
return result;
}
const Frame& LayoutNode::frame() const
{
ASSERT(document().frame());
return *document().frame();
}
Frame& LayoutNode::frame()
{
ASSERT(document().frame());
return *document().frame();
}
const Document& LayoutNode::document() const
{
if (is_anonymous())
@ -151,13 +163,10 @@ void LayoutNode::split_into_lines(LayoutBlock& container, LayoutMode layout_mode
void LayoutNode::set_needs_display()
{
auto* frame = document().frame();
ASSERT(frame);
if (auto* block = containing_block()) {
block->for_each_fragment([&](auto& fragment) {
if (&fragment.layout_node() == this || is_ancestor_of(fragment.layout_node())) {
const_cast<Frame*>(frame)->set_needs_display(enclosing_int_rect(fragment.absolute_rect()));
frame().set_needs_display(enclosing_int_rect(fragment.absolute_rect()));
}
return IterationDecision::Continue;
});