DisplayBoxFactory.h [plain text]
#pragma once
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "LayoutSize.h"
#include <wtf/IsoMalloc.h>
namespace WebCore {
class FloatPoint3D;
class RenderStyle;
class TransformationMatrix;
namespace Layout {
class Box;
class BoxGeometry;
class ContainerBox;
class InlineLineGeometry;
struct LineRun;
}
namespace Display {
class Box;
class BoxDecorationData;
class BoxModelBox;
class BoxRareGeometry;
class ContainerBox;
class Style;
class TreeBuilder;
enum class RootBackgroundPropagation : uint8_t {
None,
BodyToRoot,
};
struct ContainingBlockContext {
const Display::ContainerBox& box;
LayoutSize offsetFromRoot;
};
class BoxFactory {
public:
BoxFactory(TreeBuilder&, float pixelSnappingFactor);
static RootBackgroundPropagation determineRootBackgroundPropagation(const Layout::ContainerBox& rootLayoutBox);
std::unique_ptr<ContainerBox> displayBoxForRootBox(const Layout::ContainerBox&, const Layout::BoxGeometry&, RootBackgroundPropagation) const;
std::unique_ptr<Box> displayBoxForBodyBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, RootBackgroundPropagation) const;
std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
std::unique_ptr<Box> displayBoxForTextRun(const Layout::LineRun&, const Layout::InlineLineGeometry&, const ContainingBlockContext&) const;
private:
std::unique_ptr<Box> displayBoxForLayoutBox(const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground, Style&&) const;
void setupBoxGeometry(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&) const;
void setupBoxModelBox(BoxModelBox&, const Layout::Box&, const Layout::BoxGeometry&, const ContainingBlockContext&, const RenderStyle* styleForBackground) const;
std::unique_ptr<BoxDecorationData> constructBoxDecorationData(const Layout::Box&, const Layout::BoxGeometry&, const RenderStyle* styleForBackground, LayoutSize offsetFromRoot) const;
std::unique_ptr<BoxRareGeometry> constructBoxRareGeometry(const BoxModelBox& box, const Layout::Box&, const Layout::BoxGeometry&, LayoutSize offsetFromRoot) const;
FloatPoint3D computeTransformOrigin(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
TransformationMatrix computeTransformationMatrix(const BoxModelBox&, const Layout::BoxGeometry&, const RenderStyle&, LayoutSize offsetFromRoot) const;
static const Layout::ContainerBox* documentElementBoxFromRootBox(const Layout::ContainerBox& rootLayoutBox);
static const Layout::Box* bodyBoxFromRootBox(const Layout::ContainerBox& rootLayoutBox);
TreeBuilder& m_treeBuilder;
float m_pixelSnappingFactor { 1 };
};
} }
#endif // ENABLE(LAYOUT_FORMATTING_CONTEXT)