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LibWeb: Expose FormattingContext type

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Instead of having a virtual is_block_formatting_context(), let's have a
type() that can tell you exactly which type of formatting context it is.
This commit is contained in:
Andreas Kling 2021-10-15 01:25:12 +02:00
parent b77dad5ba3
commit f2d0e8d0ee
6 changed files with 21 additions and 8 deletions
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2
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
View file

@ -18,7 +18,7 @@
namespace Web::Layout {
BlockFormattingContext::BlockFormattingContext(BlockContainer& root, FormattingContext* parent)
: FormattingContext(root, parent)
: FormattingContext(Type::Block, root, parent)
{
}

2
Userland/Libraries/LibWeb/Layout/FlexFormattingContext.cpp
View file

@ -23,7 +23,7 @@ static float get_pixel_size(Box const& box, CSS::Length const& length)
}
FlexFormattingContext::FlexFormattingContext(Box& flex_container, FormattingContext* parent)
: FormattingContext(flex_container, parent)
: FormattingContext(Type::Flex, flex_container, parent)
, m_flex_direction(flex_container.computed_values().flex_direction())
{
}

5
Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
View file

@ -19,8 +19,9 @@
namespace Web::Layout {
FormattingContext::FormattingContext(Box& context_box, FormattingContext* parent)
: m_parent(parent)
FormattingContext::FormattingContext(Type type, Box& context_box, FormattingContext* parent)
: m_type(type)
, m_parent(parent)
, m_context_box(&context_box)
{
}

16
Userland/Libraries/LibWeb/Layout/FormattingContext.h
View file

@ -12,6 +12,14 @@ namespace Web::Layout {
class FormattingContext {
public:
enum class Type {
Block,
Inline,
Flex,
Table,
SVG,
};
virtual void run(Box&, LayoutMode) = 0;
Box& context_box() { return *m_context_box; }
@ -20,7 +28,9 @@ public:
FormattingContext* parent() { return m_parent; }
const FormattingContext* parent() const { return m_parent; }
virtual bool is_block_formatting_context() const { return false; }
Type type() const { return m_type; }
bool is_block_formatting_context() const { return type() == Type::Block; }
virtual bool inhibits_floating() const { return false; }
static bool creates_block_formatting_context(const Box&);
@ -29,7 +39,7 @@ public:
static float compute_height_for_replaced_element(const ReplacedBox&);
protected:
FormattingContext(Box&, FormattingContext* parent = nullptr);
FormattingContext(Type, Box&, FormattingContext* parent = nullptr);
virtual ~FormattingContext();
void layout_inside(Box&, LayoutMode);
@ -52,6 +62,8 @@ protected:
void compute_height_for_absolutely_positioned_non_replaced_element(Box&);
void compute_height_for_absolutely_positioned_replaced_element(ReplacedBox&);
Type m_type {};
FormattingContext* m_parent { nullptr };
Box* m_context_box { nullptr };
};

2
Userland/Libraries/LibWeb/Layout/InlineFormattingContext.cpp
View file

@ -16,7 +16,7 @@
namespace Web::Layout {
InlineFormattingContext::InlineFormattingContext(BlockContainer& containing_block, FormattingContext* parent)
: FormattingContext(containing_block, parent)
: FormattingContext(Type::Inline, containing_block, parent)
{
}

2
Userland/Libraries/LibWeb/Layout/SVGFormattingContext.cpp
View file

@ -12,7 +12,7 @@
namespace Web::Layout {
SVGFormattingContext::SVGFormattingContext(Box& box, FormattingContext* parent)
: FormattingContext(box, parent)
: FormattingContext(Type::SVG, box, parent)
{
}