LibHTML: Rename ComputedStyle to BoxModelMetrics

There was nothing left in ComputedStyle except the box model metrics,
so this patch gives it a more representative name.

Note that style information is fetched directly from StyleProperties,
which is basically the CSS property name/value pairs that apply to
an element.

Libraries/LibHTML/Dump.cpp

@@ -62,23 +62,23 @@ void dump_tree(const LayoutNode& layout_node)
 
     // Dump the horizontal box properties
     dbgprintf(" [%d+%d+%d %d %d+%d+%d]",
-        layout_node.style().margin().left.to_px(),
+        layout_node.box_model().margin().left.to_px(),
-        layout_node.style().border().left.to_px(),
+        layout_node.box_model().border().left.to_px(),
-        layout_node.style().padding().left.to_px(),
+        layout_node.box_model().padding().left.to_px(),
         layout_node.rect().width(),
-        layout_node.style().padding().right.to_px(),
+        layout_node.box_model().padding().right.to_px(),
-        layout_node.style().border().right.to_px(),
+        layout_node.box_model().border().right.to_px(),
-        layout_node.style().margin().right.to_px());
+        layout_node.box_model().margin().right.to_px());
 
     // And the vertical box properties
     dbgprintf(" [%d+%d+%d %d %d+%d+%d]",
-        layout_node.style().margin().top.to_px(),
+        layout_node.box_model().margin().top.to_px(),
-        layout_node.style().border().top.to_px(),
+        layout_node.box_model().border().top.to_px(),
-        layout_node.style().padding().top.to_px(),
+        layout_node.box_model().padding().top.to_px(),
         layout_node.rect().height(),
-        layout_node.style().padding().bottom.to_px(),
+        layout_node.box_model().padding().bottom.to_px(),
-        layout_node.style().border().bottom.to_px(),
+        layout_node.box_model().border().bottom.to_px(),
-        layout_node.style().margin().bottom.to_px());
+        layout_node.box_model().margin().bottom.to_px());
 
     dbgprintf("\n");
 

Libraries/LibHTML/Layout/BoxModelMetrics.cpp

@@ -1,14 +1,14 @@
-#include <LibHTML/Layout/ComputedStyle.h>
+#include <LibHTML/Layout/BoxModelMetrics.h>
 
-ComputedStyle::ComputedStyle()
+BoxModelMetrics::BoxModelMetrics()
 {
 }
 
-ComputedStyle::~ComputedStyle()
+BoxModelMetrics::~BoxModelMetrics()
 {
 }
 
-ComputedStyle::PixelBox ComputedStyle::full_margin() const
+BoxModelMetrics::PixelBox BoxModelMetrics::full_margin() const
 {
     return {
         m_margin.top.to_px() + m_border.top.to_px() + m_padding.top.to_px(),

Libraries/LibHTML/Layout/BoxModelMetrics.h

@@ -3,10 +3,10 @@
 #include <LibDraw/Size.h>
 #include <LibHTML/CSS/LengthBox.h>
 
-class ComputedStyle {
+class BoxModelMetrics {
 public:
-    ComputedStyle();
+    BoxModelMetrics();
-    ~ComputedStyle();
+    ~BoxModelMetrics();
 
     LengthBox& margin() { return m_margin; }
     LengthBox& padding() { return m_padding; }

Libraries/LibHTML/Layout/LayoutBlock.cpp

@@ -39,7 +39,7 @@ void LayoutBlock::layout_block_children()
     int content_height = 0;
     for_each_child([&](auto& child) {
         child.layout();
-        content_height = child.rect().bottom() + child.style().full_margin().bottom - rect().top();
+        content_height = child.rect().bottom() + child.box_model().full_margin().bottom - rect().top();
     });
     rect().set_height(content_height);
 }
@@ -139,12 +139,12 @@ void LayoutBlock::compute_width()
     }
 
     rect().set_width(width.to_px());
-    style().margin().left = margin_left;
+    box_model().margin().left = margin_left;
-    style().margin().right = margin_right;
+    box_model().margin().right = margin_right;
-    style().border().left = border_left;
+    box_model().border().left = border_left;
-    style().border().right = border_right;
+    box_model().border().right = border_right;
-    style().padding().left = padding_left;
+    box_model().padding().left = padding_left;
-    style().padding().right = padding_right;
+    box_model().padding().right = padding_right;
 }
 
 void LayoutBlock::compute_position()
@@ -156,24 +156,24 @@ void LayoutBlock::compute_position()
 
     auto width = style_properties.length_or_fallback("width", auto_value);
 
-    style().margin().top = style_properties.length_or_fallback("margin-top", zero_value);
+    box_model().margin().top = style_properties.length_or_fallback("margin-top", zero_value);
-    style().margin().bottom = style_properties.length_or_fallback("margin-bottom", zero_value);
+    box_model().margin().bottom = style_properties.length_or_fallback("margin-bottom", zero_value);
-    style().border().top = style_properties.length_or_fallback("border-top", zero_value);
+    box_model().border().top = style_properties.length_or_fallback("border-top", zero_value);
-    style().border().bottom = style_properties.length_or_fallback("border-bottom", zero_value);
+    box_model().border().bottom = style_properties.length_or_fallback("border-bottom", zero_value);
-    style().padding().top = style_properties.length_or_fallback("padding-top", zero_value);
+    box_model().padding().top = style_properties.length_or_fallback("padding-top", zero_value);
-    style().padding().bottom = style_properties.length_or_fallback("padding-bottom", zero_value);
+    box_model().padding().bottom = style_properties.length_or_fallback("padding-bottom", zero_value);
-    rect().set_x(containing_block()->rect().x() + style().margin().left.to_px() + style().border().left.to_px() + style().padding().left.to_px());
+    rect().set_x(containing_block()->rect().x() + box_model().margin().left.to_px() + box_model().border().left.to_px() + box_model().padding().left.to_px());
 
     int top_border = -1;
     if (previous_sibling() != nullptr) {
         auto& previous_sibling_rect = previous_sibling()->rect();
-        auto& previous_sibling_style = previous_sibling()->style();
+        auto& previous_sibling_style = previous_sibling()->box_model();
         top_border = previous_sibling_rect.y() + previous_sibling_rect.height();
         top_border += previous_sibling_style.full_margin().bottom;
     } else {
         top_border = containing_block()->rect().y();
     }
-    rect().set_y(top_border + style().full_margin().top);
+    rect().set_y(top_border + box_model().full_margin().top);
 }
 
 void LayoutBlock::compute_height()

Libraries/LibHTML/Layout/LayoutNode.cpp

@@ -44,10 +44,10 @@ void LayoutNode::render(RenderingContext& context)
 #endif
 
     Rect padded_rect;
-    padded_rect.set_x(rect().x() - style().padding().left.to_px());
+    padded_rect.set_x(rect().x() - box_model().padding().left.to_px());
-    padded_rect.set_width(rect().width() + style().padding().left.to_px() + style().padding().right.to_px());
+    padded_rect.set_width(rect().width() + box_model().padding().left.to_px() + box_model().padding().right.to_px());
-    padded_rect.set_y(rect().y() - style().padding().top.to_px());
+    padded_rect.set_y(rect().y() - box_model().padding().top.to_px());
-    padded_rect.set_height(rect().height() + style().padding().top.to_px() + style().padding().bottom.to_px());
+    padded_rect.set_height(rect().height() + box_model().padding().top.to_px() + box_model().padding().bottom.to_px());
 
     auto bgcolor = style_properties().property("background-color");
     if (bgcolor.has_value() && bgcolor.value()->is_color()) {

Libraries/LibHTML/Layout/LayoutNode.h

@@ -4,7 +4,7 @@
 #include <AK/Vector.h>
 #include <LibDraw/Rect.h>
 #include <LibHTML/CSS/StyleProperties.h>
-#include <LibHTML/Layout/ComputedStyle.h>
+#include <LibHTML/Layout/BoxModelMetrics.h>
 #include <LibHTML/RenderingContext.h>
 #include <LibHTML/TreeNode.h>
 
@@ -26,8 +26,8 @@ public:
     Rect& rect() { return m_rect; }
     void set_rect(const Rect& rect) { m_rect = rect; }
 
-    ComputedStyle& style() { return m_style; }
+    BoxModelMetrics& box_model() { return m_style; }
-    const ComputedStyle& style() const { return m_style; }
+    const BoxModelMetrics& box_model() const { return m_style; }
 
     virtual HitTestResult hit_test(const Point&) const;
 
@@ -79,6 +79,6 @@ private:
     const Node* m_node { nullptr };
 
     RefPtr<StyleProperties> m_style_properties;
-    ComputedStyle m_style;
+    BoxModelMetrics m_style;
     Rect m_rect;
 };

Libraries/LibHTML/Makefile.shared

@@ -27,7 +27,7 @@ LIBHTML_OBJS = \
     Layout/LayoutBlock.o \
     Layout/LayoutInline.o \
     Layout/LayoutDocument.o \
-    Layout/ComputedStyle.o \
+    Layout/BoxModelMetrics.o \
     Layout/LineBox.o \
     Layout/LineBoxFragment.o \
     HtmlView.o \