/* * Copyright (c) 2024, Aliaksandr Kalenik * * SPDX-License-Identifier: BSD-2-Clause */ #pragma once #include namespace Web::CSS { struct RequiredInvalidationAfterStyleChange { bool repaint : 1 { false }; bool rebuild_stacking_context_tree : 1 { false }; bool relayout : 1 { false }; bool rebuild_layout_tree : 1 { false }; bool rebuild_accumulated_visual_contexts : 1 { false }; // The element's change affects rule matching for descendants, without necessarily changing inherited style. bool recompute_descendant_styles : 1 { false }; // At least one inherited longhand changed, so shadow-tree descendants may need inherited style recomputation. bool inherited_style_changed : 1 { false }; void operator|=(RequiredInvalidationAfterStyleChange const& other) { repaint |= other.repaint; rebuild_stacking_context_tree |= other.rebuild_stacking_context_tree; relayout |= other.relayout; rebuild_layout_tree |= other.rebuild_layout_tree; rebuild_accumulated_visual_contexts |= other.rebuild_accumulated_visual_contexts; recompute_descendant_styles |= other.recompute_descendant_styles; inherited_style_changed |= other.inherited_style_changed; } [[nodiscard]] bool is_none() const { return !repaint && !rebuild_stacking_context_tree && !relayout && !rebuild_layout_tree && !rebuild_accumulated_visual_contexts && !recompute_descendant_styles && !inherited_style_changed; } [[nodiscard]] bool is_full() const { return repaint && rebuild_stacking_context_tree && relayout && rebuild_layout_tree; } static RequiredInvalidationAfterStyleChange full() { return { true, true, true, true, false }; } }; RequiredInvalidationAfterStyleChange compute_property_invalidation(CSS::PropertyID property_id, StyleValue const* old_value, StyleValue const* new_value); }