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Paintable.cpp
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Paintable.cpp
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/*
* Copyright (c) 2022-2023, Andreas Kling <[email protected]>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/Painting/Paintable.h>
#include <LibWeb/Painting/PaintableBox.h>
namespace Web::Painting {
Paintable::Paintable(Layout::Node const& layout_node)
: m_layout_node(layout_node)
, m_browsing_context(const_cast<HTML::BrowsingContext&>(layout_node.browsing_context()))
{
}
void Paintable::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
TreeNode::visit_edges(visitor);
visitor.visit(m_dom_node);
visitor.visit(m_layout_node);
visitor.visit(m_browsing_context);
if (m_containing_block.has_value())
visitor.visit(m_containing_block.value());
}
bool Paintable::is_positioned() const
{
if (layout_node().is_grid_item() && computed_values().z_index().has_value()) {
// https://www.w3.org/TR/css-grid-2/#z-order
// grid items with z_index should behave as if position were "relative"
return true;
}
return computed_values().position() != CSS::Positioning::Static;
}
void Paintable::set_dom_node(JS::GCPtr<DOM::Node> dom_node)
{
m_dom_node = dom_node;
}
JS::GCPtr<DOM::Node> Paintable::dom_node()
{
return m_dom_node;
}
JS::GCPtr<DOM::Node const> Paintable::dom_node() const
{
return m_dom_node;
}
HTML::BrowsingContext const& Paintable::browsing_context() const
{
return m_browsing_context;
}
HTML::BrowsingContext& Paintable::browsing_context()
{
return m_browsing_context;
}
Paintable::DispatchEventOfSameName Paintable::handle_mousedown(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
{
return DispatchEventOfSameName::Yes;
}
Paintable::DispatchEventOfSameName Paintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
{
return DispatchEventOfSameName::Yes;
}
Paintable::DispatchEventOfSameName Paintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
{
return DispatchEventOfSameName::Yes;
}
bool Paintable::handle_mousewheel(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned, int, int)
{
return false;
}
Optional<HitTestResult> Paintable::hit_test(CSSPixelPoint, HitTestType) const
{
return {};
}
StackingContext const* Paintable::stacking_context_rooted_here() const
{
if (!is<PaintableBox>(*this))
return nullptr;
return static_cast<PaintableBox const&>(*this).stacking_context();
}
}