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https://github.com/RGBCube/serenity
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6602b1ddb1
The postitioning enum values are used by the position CSS property. Unfortunately, the prior naming clashes with the CSS Values-4 type named position, which will be implemented in a later commit.
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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* Copyright (c) 2022-2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/Layout/BlockContainer.h>
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#include <LibWeb/Painting/Paintable.h>
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#include <LibWeb/Painting/PaintableBox.h>
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namespace Web::Painting {
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Paintable::Paintable(Layout::Node const& layout_node)
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: m_layout_node(layout_node)
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, m_browsing_context(const_cast<HTML::BrowsingContext&>(layout_node.browsing_context()))
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{
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}
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void Paintable::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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TreeNode::visit_edges(visitor);
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visitor.visit(m_dom_node);
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visitor.visit(m_layout_node);
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visitor.visit(m_browsing_context);
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if (m_containing_block.has_value())
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visitor.visit(m_containing_block.value());
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}
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bool Paintable::is_positioned() const
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{
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if (layout_node().is_grid_item() && computed_values().z_index().has_value()) {
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// https://www.w3.org/TR/css-grid-2/#z-order
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// grid items with z_index should behave as if position were "relative"
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return true;
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}
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return computed_values().position() != CSS::Positioning::Static;
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}
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void Paintable::set_dom_node(JS::GCPtr<DOM::Node> dom_node)
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{
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m_dom_node = dom_node;
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}
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JS::GCPtr<DOM::Node> Paintable::dom_node()
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{
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return m_dom_node;
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}
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JS::GCPtr<DOM::Node const> Paintable::dom_node() const
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{
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return m_dom_node;
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}
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HTML::BrowsingContext const& Paintable::browsing_context() const
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{
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return m_browsing_context;
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}
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HTML::BrowsingContext& Paintable::browsing_context()
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{
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return m_browsing_context;
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}
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Paintable::DispatchEventOfSameName Paintable::handle_mousedown(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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Paintable::DispatchEventOfSameName Paintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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Paintable::DispatchEventOfSameName Paintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned)
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{
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return DispatchEventOfSameName::Yes;
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}
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bool Paintable::handle_mousewheel(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned, int, int)
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{
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return false;
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}
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Optional<HitTestResult> Paintable::hit_test(CSSPixelPoint, HitTestType) const
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{
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return {};
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}
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StackingContext const* Paintable::stacking_context_rooted_here() const
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{
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if (!is<PaintableBox>(*this))
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return nullptr;
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return static_cast<PaintableBox const&>(*this).stacking_context();
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}
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}
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