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LibWeb: Switch to using AK::is and AK::downcast

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This commit is contained in:
Andreas Kling 2020-07-26 17:16:18 +02:00
parent fe6474e692
commit 71556e39a4
73 changed files with 249 additions and 433 deletions
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12
Libraries/LibWeb/Bindings/NodeWrapperFactory.cpp
View file

@ -41,17 +41,17 @@ namespace Bindings {
NodeWrapper* wrap(JS::GlobalObject& global_object, Node& node)
{
if (is<Document>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<Document>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<Document>(node)));
if (is<DocumentType>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<DocumentType>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<DocumentType>(node)));
if (is<HTMLCanvasElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<HTMLCanvasElement>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<HTMLCanvasElement>(node)));
if (is<HTMLImageElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<HTMLImageElement>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<HTMLImageElement>(node)));
if (is<HTMLElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<HTMLElement>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<HTMLElement>(node)));
if (is<Element>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, to<Element>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, downcast<Element>(node)));
return static_cast<NodeWrapper*>(wrap_impl(global_object, node));
}

4
Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -131,7 +131,7 @@ bool matches(const Selector& selector, int component_list_index, const Element&
for (auto* ancestor = element.parent(); ancestor; ancestor = ancestor->parent()) {
if (!is<Element>(*ancestor))
continue;
if (matches(selector, component_list_index - 1, to<Element>(*ancestor)))
if (matches(selector, component_list_index - 1, downcast<Element>(*ancestor)))
return true;
}
return false;
@ -139,7 +139,7 @@ bool matches(const Selector& selector, int component_list_index, const Element&
ASSERT(component_list_index != 0);
if (!element.parent() || !is<Element>(*element.parent()))
return false;
return matches(selector, component_list_index - 1, to<Element>(*element.parent()));
return matches(selector, component_list_index - 1, downcast<Element>(*element.parent()));
case Selector::ComplexSelector::Relation::AdjacentSibling:
ASSERT(component_list_index != 0);
if (auto* sibling = element.previous_element_sibling())

8
Libraries/LibWeb/DOM/CharacterData.h
View file

@ -47,10 +47,8 @@ private:
String m_data;
};
template<>
inline bool is<CharacterData>(const Node& node)
{
return node.is_character_data();
}
}
AK_BEGIN_TYPE_TRAITS(Web::CharacterData)
static bool is_type(const Web::Node& node) { return node.is_character_data(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/DOM/Comment.h
View file

@ -39,10 +39,8 @@ public:
virtual FlyString node_name() const override { return "#comment"; }
};
template<>
inline bool is<Comment>(const Node& node)
{
return node.is_comment();
}
}
AK_BEGIN_TYPE_TRAITS(Web::Comment)
static bool is_type(const Web::Node& node) { return node.is_comment(); }
AK_END_TYPE_TRAITS()

9
Libraries/LibWeb/DOM/Document.h
View file

@ -188,10 +188,9 @@ private:
QuirksMode m_quirks_mode { QuirksMode::No };
};
template<>
inline bool is<Document>(const Node& node)
{
return node.is_document();
}
}
AK_BEGIN_TYPE_TRAITS(Web::Document)
static bool is_type(const Web::Node& node) { return node.is_document(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/DOM/DocumentFragment.h
View file

@ -44,10 +44,8 @@ public:
virtual FlyString node_name() const override { return "#document-fragment"; }
};
template<>
inline bool is<DocumentFragment>(const Node& node)
{
return node.is_document_fragment();
}
}
AK_BEGIN_TYPE_TRAITS(Web::DocumentFragment)
static bool is_type(const Web::Node& node) { return node.is_document_fragment(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/DOM/DocumentType.h
View file

@ -55,10 +55,8 @@ private:
String m_system_id;
};
template<>
inline bool is<DocumentType>(const Node& node)
{
return node.type() == NodeType::DOCUMENT_TYPE_NODE;
}
}
AK_BEGIN_TYPE_TRAITS(Web::DocumentType)
static bool is_type(const Web::Node& node) { return node.type() == Web::NodeType::DOCUMENT_TYPE_NODE; }
AK_END_TYPE_TRAITS()

6
Libraries/LibWeb/DOM/Element.cpp
View file

@ -271,17 +271,17 @@ String Element::inner_html() const
for (auto* child = node.first_child(); child; child = child->next_sibling()) {
if (child->is_element()) {
builder.append('<');
builder.append(to<Element>(*child).local_name());
builder.append(downcast<Element>(*child).local_name());
builder.append('>');
recurse(*child);
builder.append("</");
builder.append(to<Element>(*child).local_name());
builder.append(downcast<Element>(*child).local_name());
builder.append('>');
}
if (child->is_text()) {
builder.append(to<Text>(*child).data());
builder.append(downcast<Text>(*child).data());
}
}
};

8
Libraries/LibWeb/DOM/Element.h
View file

@ -99,10 +99,8 @@ private:
Vector<FlyString> m_classes;
};
template<>
inline bool is<Element>(const Node& node)
{
return node.is_element();
}
}
AK_BEGIN_TYPE_TRAITS(Web::Element)
static bool is_type(const Web::Node& node) { return node.is_element(); }
AK_END_TYPE_TRAITS()

12
Libraries/LibWeb/DOM/Node.cpp
View file

@ -65,8 +65,8 @@ Node::~Node()
const HTMLAnchorElement* Node::enclosing_link_element() const
{
for (auto* node = this; node; node = node->parent()) {
if (is<HTMLAnchorElement>(*node) && to<HTMLAnchorElement>(*node).has_attribute(HTML::AttributeNames::href))
return to<HTMLAnchorElement>(node);
if (is<HTMLAnchorElement>(*node) && downcast<HTMLAnchorElement>(*node).has_attribute(HTML::AttributeNames::href))
return downcast<HTMLAnchorElement>(node);
}
return nullptr;
}
@ -160,9 +160,9 @@ String Node::child_text_content() const
return String::empty();
StringBuilder builder;
to<ParentNode>(*this).for_each_child([&](auto& child) {
downcast<ParentNode>(*this).for_each_child([&](auto& child) {
if (is<Text>(child))
builder.append(to<Text>(child).text_content());
builder.append(downcast<Text>(child).text_content());
});
return builder.build();
}
@ -184,14 +184,14 @@ Element* Node::parent_element()
{
if (!parent() || !is<Element>(parent()))
return nullptr;
return to<Element>(parent());
return downcast<Element>(parent());
}
const Element* Node::parent_element() const
{
if (!parent() || !is<Element>(parent()))
return nullptr;
return to<Element>(parent());
return downcast<Element>(parent());
}
RefPtr<Node> Node::append_child(NonnullRefPtr<Node> node, bool notify)

57
Libraries/LibWeb/DOM/Node.h
View file

@ -29,6 +29,7 @@
#include <AK/Badge.h>
#include <AK/RefPtr.h>
#include <AK/String.h>
#include <AK/TypeCasts.h>
#include <AK/Vector.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/EventTarget.h>
@ -151,64 +152,12 @@ protected:
bool m_needs_style_update { true };
};
template<typename T>
inline bool is(const Node&)
{
return false;
}
template<typename T>
inline bool is(const Node* node)
{
return !node || is<T>(*node);
}
template<>
inline bool is<Node>(const Node&)
{
return true;
}
template<>
inline bool is<ParentNode>(const Node& node)
{
return node.is_parent_node();
}
template<typename T>
inline const T& to(const Node& node)
{
ASSERT(is<T>(node));
return static_cast<const T&>(node);
}
template<typename T>
inline T* to(Node* node)
{
ASSERT(is<T>(node));
return static_cast<T*>(node);
}
template<typename T>
inline const T* to(const Node* node)
{
ASSERT(is<T>(node));
return static_cast<const T*>(node);
}
template<typename T>
inline T& to(Node& node)
{
ASSERT(is<T>(node));
return static_cast<T&>(node);
}
template<typename T>
inline const T* Node::first_child_of_type() const
{
for (auto* child = first_child(); child; child = child->next_sibling()) {
if (is<T>(*child))
return to<T>(child);
return downcast<T>(child);
}
return nullptr;
}
@ -218,7 +167,7 @@ inline const T* Node::first_ancestor_of_type() const
{
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (is<T>(*ancestor))
return to<T>(ancestor);
return downcast<T>(ancestor);
}
return nullptr;
}

4
Libraries/LibWeb/DOM/ParentNode.h
View file

@ -59,3 +59,7 @@ inline void ParentNode::for_each_child(Callback callback)
}
}
AK_BEGIN_TYPE_TRAITS(Web::ParentNode)
static bool is_type(const Web::Node& node) { return node.is_parent_node(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/DOM/Text.h
View file

@ -43,10 +43,8 @@ private:
virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) override;
};
template<>
inline bool is<Text>(const Node& node)
{
return node.is_text();
}
}
AK_BEGIN_TYPE_TRAITS(Web::Text)
static bool is_type(const Web::Node& node) { return node.is_text(); }
AK_END_TYPE_TRAITS()

4
Libraries/LibWeb/DOMTreeModel.cpp
View file

@ -128,10 +128,10 @@ GUI::Variant DOMTreeModel::data(const GUI::ModelIndex& index, Role role) const
}
if (role == Role::Display) {
if (node.is_text())
return String::format("%s", with_whitespace_collapsed(to<Text>(node).data()).characters());
return String::format("%s", with_whitespace_collapsed(downcast<Text>(node).data()).characters());
if (!node.is_element())
return node.node_name();
auto& element = to<Element>(node);
auto& element = downcast<Element>(node);
StringBuilder builder;
builder.append('<');
builder.append(element.local_name());

12
Libraries/LibWeb/Dump.cpp
View file

@ -51,8 +51,8 @@ void dump_tree(const Node& node)
if (is<Document>(node)) {
dbgprintf("*Document*\n");
} else if (is<Element>(node)) {
dbgprintf("<%s", to<Element>(node).local_name().characters());
to<Element>(node).for_each_attribute([](auto& name, auto& value) {
dbgprintf("<%s", downcast<Element>(node).local_name().characters());
downcast<Element>(node).for_each_attribute([](auto& name, auto& value) {
dbgprintf(" %s=%s", name.characters(), value.characters());
});
dbgprintf(">\n");
@ -61,7 +61,7 @@ void dump_tree(const Node& node)
} else if (is<DocumentType>(node)) {
dbgprintf("<!DOCTYPE html>\n");
} else if (is<Comment>(node)) {
dbgprintf("<!--%s-->\n", to<Comment>(node).data().characters());
dbgprintf("<!--%s-->\n", downcast<Comment>(node).data().characters());
} else if (is<DocumentFragment>(node)) {
dbgprintf("#document-fragment\n");
}
@ -88,13 +88,13 @@ void dump_tree(const LayoutNode& layout_node)
else if (is<Document>(layout_node.node()))
tag_name = "#document";
else if (is<Element>(layout_node.node()))
tag_name = to<Element>(*layout_node.node()).local_name();
tag_name = downcast<Element>(*layout_node.node()).local_name();
else
tag_name = "???";
String identifier = "";
if (layout_node.node() && is<Element>(*layout_node.node())) {
auto& element = to<Element>(*layout_node.node());
auto& element = downcast<Element>(*layout_node.node());
StringBuilder builder;
auto id = element.attribute(HTML::AttributeNames::id);
if (!id.is_empty()) {
@ -111,7 +111,7 @@ void dump_tree(const LayoutNode& layout_node)
if (!layout_node.is_box()) {
dbgprintf("%s {\033[33m%s\033[0m%s}\n", layout_node.class_name(), tag_name.characters(), identifier.characters());
} else {
auto& layout_box = to<LayoutBox>(layout_node);
auto& layout_box = downcast<LayoutBox>(layout_node);
dbgprintf("%s {\033[34m%s\033[0m%s} at (%g,%g) size %gx%g",
layout_box.class_name(),
tag_name.characters(),

6
Libraries/LibWeb/Frame/EventHandler.cpp
View file

@ -80,7 +80,7 @@ bool EventHandler::handle_mouseup(const Gfx::IntPoint& position, unsigned button
if (result.layout_node && result.layout_node->node()) {
RefPtr<Node> node = result.layout_node->node();
if (is<HTMLIFrameElement>(*node)) {
if (auto* subframe = to<HTMLIFrameElement>(*node).hosted_frame())
if (auto* subframe = downcast<HTMLIFrameElement>(*node).hosted_frame())
return subframe->event_handler().handle_mouseup(position.translated(compute_mouse_event_offset({}, *result.layout_node)), button, modifiers);
return false;
}
@ -113,7 +113,7 @@ bool EventHandler::handle_mousedown(const Gfx::IntPoint& position, unsigned butt
return false;
if (is<HTMLIFrameElement>(*node)) {
if (auto* subframe = to<HTMLIFrameElement>(*node).hosted_frame())
if (auto* subframe = downcast<HTMLIFrameElement>(*node).hosted_frame())
return subframe->event_handler().handle_mousedown(position.translated(compute_mouse_event_offset({}, *result.layout_node)), button, modifiers);
return false;
}
@ -176,7 +176,7 @@ bool EventHandler::handle_mousemove(const Gfx::IntPoint& position, unsigned butt
RefPtr<Node> node = result.layout_node->node();
if (node && is<HTMLIFrameElement>(*node)) {
if (auto* subframe = to<HTMLIFrameElement>(*node).hosted_frame())
if (auto* subframe = downcast<HTMLIFrameElement>(*node).hosted_frame())
return subframe->event_handler().handle_mousemove(position.translated(compute_mouse_event_offset({}, *result.layout_node)), buttons, modifiers);
return false;
}

4
Libraries/LibWeb/Frame/Frame.cpp
View file

@ -125,7 +125,7 @@ void Frame::scroll_to_anchor(const String& fragment)
auto candidates = document()->get_elements_by_name(fragment);
for (auto* candidate : candidates) {
if (is<HTMLAnchorElement>(*candidate)) {
element = to<HTMLAnchorElement>(candidate);
element = downcast<HTMLAnchorElement>(candidate);
break;
}
}
@ -138,7 +138,7 @@ void Frame::scroll_to_anchor(const String& fragment)
Gfx::FloatRect float_rect { layout_node.box_type_agnostic_position(), { (float)viewport_rect().width(), (float)viewport_rect().height() } };
if (is<LayoutBox>(layout_node)) {
auto& layout_box = to<LayoutBox>(layout_node);
auto& layout_box = downcast<LayoutBox>(layout_node);
auto padding_box = layout_box.box_model().padding_box(layout_box);
float_rect.move_by(-padding_box.left, -padding_box.top);
}

8
Libraries/LibWeb/HTML/HTMLAnchorElement.h
View file

@ -39,10 +39,8 @@ public:
String target() const { return attribute(HTML::AttributeNames::target); }
};
template<>
inline bool is<HTMLAnchorElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::a;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLAnchorElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::a; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLBRElement.h
View file

@ -38,10 +38,8 @@ public:
virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) override;
};
template<>
inline bool is<HTMLBRElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::br;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLBRElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::br; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLBlinkElement.h
View file

@ -42,10 +42,8 @@ private:
NonnullRefPtr<Core::Timer> m_timer;
};
template<>
inline bool is<HTMLBlinkElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::blink;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLBlinkElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::blink; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLBodyElement.h
View file

@ -42,10 +42,8 @@ private:
RefPtr<ImageStyleValue> m_background_style_value;
};
template<>
inline bool is<HTMLBodyElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::body;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLBodyElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::body; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLCanvasElement.h
View file

@ -57,10 +57,8 @@ private:
RefPtr<CanvasRenderingContext2D> m_context;
};
template<>
inline bool is<HTMLCanvasElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::canvas;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLCanvasElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::canvas; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLElement.h
View file

@ -43,10 +43,8 @@ private:
virtual bool is_html_element() const final { return true; }
};
template<>
inline bool is<HTMLElement>(const Node& node)
{
return node.is_html_element();
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLElement)
static bool is_type(const Web::Node& node) { return node.is_html_element(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLFontElement.h
View file

@ -38,10 +38,8 @@ public:
virtual void apply_presentational_hints(StyleProperties&) const override;
};
template<>
inline bool is<HTMLFontElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::font;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLFontElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::font; }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/HTML/HTMLFormElement.cpp
View file

@ -63,7 +63,7 @@ void HTMLFormElement::submit(RefPtr<HTMLInputElement> submitter)
Vector<URLQueryParam> parameters;
for_each_in_subtree_of_type<HTMLInputElement>([&](auto& node) {
auto& input = to<HTMLInputElement>(node);
auto& input = downcast<HTMLInputElement>(node);
if (!input.name().is_null() && (input.type() != "submit" || &input == submitter))
parameters.append({ input.name(), input.value() });
return IterationDecision::Continue;

8
Libraries/LibWeb/HTML/HTMLFormElement.h
View file

@ -42,10 +42,8 @@ public:
void submit(RefPtr<HTMLInputElement> submitter);
};
template<>
inline bool is<HTMLFormElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::form;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLFormElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::form; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLHRElement.h
View file

@ -36,10 +36,8 @@ public:
virtual ~HTMLHRElement() override;
};
template<>
inline bool is<HTMLHRElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::hr;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLHRElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::hr; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLHeadElement.h
View file

@ -36,10 +36,8 @@ public:
virtual ~HTMLHeadElement() override;
};
template<>
inline bool is<HTMLHeadElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name().equals_ignoring_case("head");
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLHeadElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::head; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLHtmlElement.h
View file

@ -36,10 +36,8 @@ public:
virtual ~HTMLHtmlElement() override;
};
template<>
inline bool is<HTMLHtmlElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name().equals_ignoring_case("html");
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLHtmlElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::html; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLIFrameElement.h
View file

@ -51,10 +51,8 @@ private:
RefPtr<Frame> m_hosted_frame;
};
template<>
inline bool is<HTMLIFrameElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::iframe;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLIFrameElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::iframe; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLImageElement.h
View file

@ -60,10 +60,8 @@ private:
ImageLoader m_image_loader;
};
template<>
inline bool is<HTMLImageElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::img;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLImageElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::img; }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/HTML/HTMLInputElement.cpp
View file

@ -83,7 +83,7 @@ RefPtr<LayoutNode> HTMLInputElement::create_layout_node(const StyleProperties* p
auto& text_box = page_view.add<GUI::TextBox>();
text_box.set_text(value());
text_box.on_change = [this] {
auto& widget = to<LayoutWidget>(layout_node())->widget();
auto& widget = downcast<LayoutWidget>(layout_node())->widget();
const_cast<HTMLInputElement*>(this)->set_attribute(HTML::AttributeNames::value, static_cast<const GUI::TextBox&>(widget).text());
};
int text_width = Gfx::Font::default_font().width(value());

8
Libraries/LibWeb/HTML/HTMLInputElement.h
View file

@ -42,10 +42,8 @@ public:
String name() const { return attribute(HTML::AttributeNames::name); }
};
template<>
inline bool is<HTMLInputElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::input;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLInputElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::input; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLLinkElement.h
View file

@ -64,10 +64,8 @@ private:
RefPtr<StyleSheet> m_style_sheet;
};
template<>
inline bool is<HTMLLinkElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::link;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLLinkElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::link; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLObjectElement.h
View file

@ -52,10 +52,8 @@ private:
bool m_should_show_fallback_content { false };
};
template<>
inline bool is<HTMLObjectElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::object;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLObjectElement)
static bool is_type(const Web::Node& node) { return node.is_element() && downcast<Web::Element>(node).local_name() == Web::HTML::TagNames::object; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLScriptElement.h
View file

@ -65,10 +65,8 @@ private:
String m_script_source;
};
template<>
inline bool is<HTMLScriptElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::script;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLScriptElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::script; }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/HTML/HTMLStyleElement.cpp
View file

@ -46,7 +46,7 @@ void HTMLStyleElement::children_changed()
StringBuilder builder;
for_each_child([&](auto& child) {
if (is<Text>(child))
builder.append(to<Text>(child).text_content());
builder.append(downcast<Text>(child).text_content());
});
m_stylesheet = parse_css(CSS::ParsingContext(document()), builder.to_string());
if (m_stylesheet)

9
Libraries/LibWeb/HTML/HTMLStyleElement.h
View file

@ -44,11 +44,8 @@ private:
RefPtr<StyleSheet> m_stylesheet;
};
template<>
inline bool is<HTMLStyleElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::style;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLStyleElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::style; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLTableCellElement.h
View file

@ -39,10 +39,8 @@ private:
virtual void apply_presentational_hints(StyleProperties&) const override;
};
template<>
inline bool is<HTMLTableCellElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th);
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLTableCellElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::td; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLTableElement.h
View file

@ -39,10 +39,8 @@ private:
virtual void apply_presentational_hints(StyleProperties&) const override;
};
template<>
inline bool is<HTMLTableElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::table;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLTableElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::table; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLTableRowElement.h
View file

@ -36,10 +36,8 @@ public:
virtual ~HTMLTableRowElement() override;
};
template<>
inline bool is<HTMLTableRowElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name() == HTML::TagNames::tr;
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLTableRowElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::tr; }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/HTML/HTMLTitleElement.h
View file

@ -36,10 +36,8 @@ public:
virtual ~HTMLTitleElement() override;
};
template<>
inline bool is<HTMLTitleElement>(const Node& node)
{
return is<Element>(node) && to<Element>(node).local_name().equals_ignoring_case("title");
}
}
AK_BEGIN_TYPE_TRAITS(Web::HTMLTitleElement)
static bool is_type(const Web::Node& node) { return node.is_html_element() && downcast<Web::HTMLElement>(node).local_name() == Web::HTML::TagNames::title; }
AK_END_TYPE_TRAITS()

14
Libraries/LibWeb/Layout/LayoutBlock.cpp
View file

@ -155,13 +155,13 @@ void LayoutBlock::layout_contained_boxes(LayoutMode layout_mode)
return IterationDecision::Continue;
box.layout(layout_mode);
if (box.is_replaced())
place_block_level_replaced_element_in_normal_flow(to<LayoutReplaced>(box));
place_block_level_replaced_element_in_normal_flow(downcast<LayoutReplaced>(box));
else if (box.is_block())
place_block_level_non_replaced_element_in_normal_flow(to<LayoutBlock>(box));
place_block_level_non_replaced_element_in_normal_flow(downcast<LayoutBlock>(box));
else
dbg() << "FIXME: LayoutBlock::layout_contained_boxes doesn't know how to place a " << box.class_name();
content_height = max(content_height, box.effective_offset().y() + box.height() + box.box_model().margin_box(*this).bottom);
content_width = max(content_width, to<LayoutBox>(box).width());
content_width = max(content_width, downcast<LayoutBox>(box).width());
return IterationDecision::Continue;
});
@ -257,7 +257,7 @@ void LayoutBlock::layout_inline_children(LayoutMode layout_mode)
}
if (fragment.layout_node().is_inline_block()) {
auto& inline_block = const_cast<LayoutBlock&>(to<LayoutBlock>(fragment.layout_node()));
auto& inline_block = const_cast<LayoutBlock&>(downcast<LayoutBlock>(fragment.layout_node()));
inline_block.set_size(fragment.size());
inline_block.layout(layout_mode);
}
@ -587,7 +587,7 @@ LayoutBlock::ShrinkToFitResult LayoutBlock::calculate_shrink_to_fit_width()
} else {
for_each_child([&](auto& child) {
if (child.is_box())
max_width = max(max_width, to<LayoutBox>(child).width());
max_width = max(max_width, downcast<LayoutBox>(child).width());
});
}
return max_width;
@ -725,11 +725,11 @@ HitTestResult LayoutBlock::hit_test(const Gfx::IntPoint& position) const
HitTestResult last_good_candidate;
for (auto& line_box : m_line_boxes) {
for (auto& fragment : line_box.fragments()) {
if (is<LayoutBox>(fragment.layout_node()) && to<LayoutBox>(fragment.layout_node()).stacking_context())
if (is<LayoutBox>(fragment.layout_node()) && downcast<LayoutBox>(fragment.layout_node()).stacking_context())
continue;
if (enclosing_int_rect(fragment.absolute_rect()).contains(position)) {
if (fragment.layout_node().is_block())
return to<LayoutBlock>(fragment.layout_node()).hit_test(position);
return downcast<LayoutBlock>(fragment.layout_node()).hit_test(position);
return { fragment.layout_node(), fragment.text_index_at(position.x()) };
}
if (fragment.absolute_rect().top() <= position.y())

16
Libraries/LibWeb/Layout/LayoutBlock.h
View file

@ -53,10 +53,10 @@ public:
virtual HitTestResult hit_test(const Gfx::IntPoint&) const override;
LayoutBlock* previous_sibling() { return to<LayoutBlock>(LayoutNode::previous_sibling()); }
const LayoutBlock* previous_sibling() const { return to<LayoutBlock>(LayoutNode::previous_sibling()); }
LayoutBlock* next_sibling() { return to<LayoutBlock>(LayoutNode::next_sibling()); }
const LayoutBlock* next_sibling() const { return to<LayoutBlock>(LayoutNode::next_sibling()); }
LayoutBlock* previous_sibling() { return downcast<LayoutBlock>(LayoutNode::previous_sibling()); }
const LayoutBlock* previous_sibling() const { return downcast<LayoutBlock>(LayoutNode::previous_sibling()); }
LayoutBlock* next_sibling() { return downcast<LayoutBlock>(LayoutNode::next_sibling()); }
const LayoutBlock* next_sibling() const { return downcast<LayoutBlock>(LayoutNode::next_sibling()); }
template<typename Callback>
void for_each_fragment(Callback);
@ -119,10 +119,8 @@ void LayoutBlock::for_each_fragment(Callback callback) const
}
}
template<>
ALWAYS_INLINE bool is<LayoutBlock>(const LayoutNode& node)
{
return node.is_block();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutBlock)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_block(); }
AK_END_TYPE_TRAITS()

4
Libraries/LibWeb/Layout/LayoutBox.cpp
View file

@ -231,7 +231,7 @@ HitTestResult LayoutBox::hit_test(const Gfx::IntPoint& position) const
// m_rect.contains() since inline text rects can't be trusted..
HitTestResult result { absolute_rect().contains(position.x(), position.y()) ? this : nullptr };
for_each_child([&](auto& child) {
if (is<LayoutBox>(child) && to<LayoutBox>(child).stacking_context())
if (is<LayoutBox>(child) && downcast<LayoutBox>(child).stacking_context())
return;
auto child_result = child.hit_test(position);
if (child_result.layout_node)
@ -297,7 +297,7 @@ StackingContext* LayoutBox::enclosing_stacking_context()
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (!ancestor->is_box())
continue;
auto& ancestor_box = to<LayoutBox>(*ancestor);
auto& ancestor_box = downcast<LayoutBox>(*ancestor);
if (!ancestor_box.establishes_stacking_context())
continue;
ASSERT(ancestor_box.stacking_context());

8
Libraries/LibWeb/Layout/LayoutBox.h
View file

@ -98,10 +98,8 @@ private:
OwnPtr<StackingContext> m_stacking_context;
};
template<>
ALWAYS_INLINE bool is<LayoutBox>(const LayoutNode& node)
{
return node.is_box();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutBox)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_box(); }
AK_END_TYPE_TRAITS()

7
Libraries/LibWeb/Layout/LayoutBreak.h
View file

@ -36,11 +36,16 @@ public:
LayoutBreak(Document&, const HTMLBRElement&);
virtual ~LayoutBreak() override;
const HTMLBRElement& node() const { return to<HTMLBRElement>(*LayoutNode::node()); }
const HTMLBRElement& node() const { return downcast<HTMLBRElement>(*LayoutNode::node()); }
private:
virtual bool is_break() const override { return true; }
virtual const char* class_name() const override { return "LayoutBreak"; }
virtual void split_into_lines(LayoutBlock&, LayoutMode) override;
};
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutBreak)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_break(); }
AK_END_TYPE_TRAITS()

9
Libraries/LibWeb/Layout/LayoutCanvas.h
View file

@ -48,10 +48,9 @@ private:
virtual bool is_canvas() const override { return true; }
};
template<>
inline bool is<LayoutCanvas>(const LayoutNode& node)
{
return node.is_canvas();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutCanvas)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_canvas(); }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/Layout/LayoutDocument.cpp
View file

@ -76,7 +76,7 @@ void LayoutDocument::layout(LayoutMode layout_mode)
float lowest_bottom = 0;
for_each_child([&](auto& child) {
ASSERT(is<LayoutBlock>(child));
auto& child_block = to<LayoutBlock>(child);
auto& child_block = downcast<LayoutBlock>(child);
lowest_bottom = max(lowest_bottom, child_block.absolute_rect().bottom());
});
set_height(lowest_bottom);

9
Libraries/LibWeb/Layout/LayoutDocument.h
View file

@ -58,11 +58,8 @@ private:
LayoutRange m_selection;
};
template<>
inline bool is<LayoutDocument>(const LayoutNode& node)
{
return node.is_root();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutDocument)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_root(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/Layout/LayoutFrame.h
View file

@ -48,10 +48,8 @@ private:
virtual void did_set_rect() override;
};
template<>
inline bool is<LayoutFrame>(const LayoutNode& node)
{
return node.is_frame();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutFrame)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_frame(); }
AK_END_TYPE_TRAITS()

4
Libraries/LibWeb/Layout/LayoutImage.cpp
View file

@ -71,7 +71,7 @@ void LayoutImage::layout(LayoutMode layout_mode)
}
if (renders_as_alt_text()) {
auto& image_element = to<HTMLImageElement>(node());
auto& image_element = downcast<HTMLImageElement>(node());
auto& font = Gfx::Font::default_font();
auto alt = image_element.alt();
if (alt.is_empty())
@ -101,7 +101,7 @@ void LayoutImage::paint(PaintContext& context, PaintPhase phase)
if (phase == PaintPhase::Foreground) {
if (renders_as_alt_text()) {
auto& image_element = to<HTMLImageElement>(node());
auto& image_element = downcast<HTMLImageElement>(node());
context.painter().set_font(Gfx::Font::default_font());
Gfx::StylePainter::paint_frame(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), Gfx::FrameShape::Container, Gfx::FrameShadow::Sunken, 2);
auto alt = image_element.alt();

8
Libraries/LibWeb/Layout/LayoutImage.h
View file

@ -57,10 +57,8 @@ private:
const ImageLoader& m_image_loader;
};
template<>
inline bool is<LayoutImage>(const LayoutNode& node)
{
return node.is_image();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutImage)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_image(); }
AK_END_TYPE_TRAITS()

10
Libraries/LibWeb/Layout/LayoutNode.cpp
View file

@ -67,7 +67,7 @@ const LayoutBlock* LayoutNode::containing_block() const
auto* ancestor = parent();
while (ancestor && !is<LayoutBlock>(*ancestor))
ancestor = ancestor->parent();
return to<LayoutBlock>(ancestor);
return downcast<LayoutBlock>(ancestor);
};
if (is_text())
@ -81,7 +81,7 @@ const LayoutBlock* LayoutNode::containing_block() const
ancestor = ancestor->parent();
while (ancestor && (!is<LayoutBlock>(ancestor) || ancestor->is_anonymous()))
ancestor = ancestor->containing_block();
return to<LayoutBlock>(ancestor);
return downcast<LayoutBlock>(ancestor);
}
if (position == CSS::Position::Fixed)
@ -96,7 +96,7 @@ void LayoutNode::paint(PaintContext& context, PaintPhase phase)
return;
for_each_child([&](auto& child) {
if (child.is_box() && to<LayoutBox>(child).stacking_context())
if (child.is_box() && downcast<LayoutBox>(child).stacking_context())
return;
child.paint(context, phase);
});
@ -108,7 +108,7 @@ HitTestResult LayoutNode::hit_test(const Gfx::IntPoint& position) const
for_each_child([&](auto& child) {
// Skip over children that establish their own stacking context.
// The outer loop who called us will take care of those.
if (is<LayoutBox>(child) && to<LayoutBox>(child).stacking_context())
if (is<LayoutBox>(child) && downcast<LayoutBox>(child).stacking_context())
return;
auto child_result = child.hit_test(position);
if (child_result.layout_node)
@ -170,7 +170,7 @@ float LayoutNode::font_size() const
Gfx::FloatPoint LayoutNode::box_type_agnostic_position() const
{
if (is_box())
return to<LayoutBox>(*this).absolute_position();
return downcast<LayoutBox>(*this).absolute_position();
ASSERT(is_inline());
Gfx::FloatPoint position;
if (auto* block = containing_block()) {

77
Libraries/LibWeb/Layout/LayoutNode.h
View file

@ -27,6 +27,7 @@
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/TypeCasts.h>
#include <AK/Vector.h>
#include <LibGfx/FloatRect.h>
#include <LibGfx/Rect.h>
@ -40,52 +41,6 @@
namespace Web {
template<typename T>
inline bool is(const LayoutNode&)
{
return false;
}
template<typename T>
inline bool is(const LayoutNode* node)
{
return !node || is<T>(*node);
}
template<>
inline bool is<LayoutNode>(const LayoutNode&)
{
return true;
}
template<typename T>
inline const T& to(const LayoutNode& node)
{
ASSERT(is<T>(node));
return static_cast<const T&>(node);
}
template<typename T>
inline T* to(LayoutNode* node)
{
ASSERT(is<T>(node));
return static_cast<T*>(node);
}
template<typename T>
inline const T* to(const LayoutNode* node)
{
ASSERT(is<T>(node));
return static_cast<const T*>(node);
}
template<typename T>
inline T& to(LayoutNode& node)
{
ASSERT(is<T>(node));
return static_cast<T&>(node);
}
struct HitTestResult {
RefPtr<LayoutNode> layout_node;
int index_in_node { 0 };
@ -130,7 +85,7 @@ public:
for (auto* node = first_child(); node; node = node->next_sibling()) {
if (!is<T>(node))
continue;
callback(to<T>(*node));
callback(downcast<T>(*node));
}
}
@ -140,7 +95,7 @@ public:
for (auto* node = first_child(); node; node = node->next_sibling()) {
if (!is<T>(node))
continue;
callback(to<T>(*node));
callback(downcast<T>(*node));
}
}
@ -158,6 +113,7 @@ public:
virtual bool is_table_row() const { return false; }
virtual bool is_table_cell() const { return false; }
virtual bool is_table_row_group() const { return false; }
virtual bool is_break() const { return false; }
bool has_style() const { return m_has_style; }
bool is_inline() const { return m_inline; }
@ -269,7 +225,6 @@ protected:
LayoutNodeWithStyle(Document&, const Node*, NonnullRefPtr<StyleProperties>);
private:
LayoutStyle m_style;
NonnullRefPtr<StyleProperties> m_specified_style;
@ -321,7 +276,7 @@ inline const T* LayoutNode::next_sibling_of_type() const
{
for (auto* sibling = next_sibling(); sibling; sibling = sibling->next_sibling()) {
if (is<T>(*sibling))
return &to<T>(*sibling);
return &downcast<T>(*sibling);
}
return nullptr;
}
@ -331,7 +286,7 @@ inline T* LayoutNode::next_sibling_of_type()
{
for (auto* sibling = next_sibling(); sibling; sibling = sibling->next_sibling()) {
if (is<T>(*sibling))
return &to<T>(*sibling);
return &downcast<T>(*sibling);
}
return nullptr;
}
@ -341,7 +296,7 @@ inline const T* LayoutNode::previous_sibling_of_type() const
{
for (auto* sibling = previous_sibling(); sibling; sibling = sibling->previous_sibling()) {
if (is<T>(*sibling))
return &to<T>(*sibling);
return &downcast<T>(*sibling);
}
return nullptr;
}
@ -351,7 +306,7 @@ inline T* LayoutNode::previous_sibling_of_type()
{
for (auto* sibling = previous_sibling(); sibling; sibling = sibling->previous_sibling()) {
if (is<T>(*sibling))
return &to<T>(*sibling);
return &downcast<T>(*sibling);
}
return nullptr;
}
@ -361,7 +316,7 @@ inline const T* LayoutNode::first_child_of_type() const
{
for (auto* child = first_child(); child; child = child->next_sibling()) {
if (is<T>(*child))
return &to<T>(*child);
return &downcast<T>(*child);
}
return nullptr;
}
@ -371,7 +326,7 @@ inline T* LayoutNode::first_child_of_type()
{
for (auto* child = first_child(); child; child = child->next_sibling()) {
if (is<T>(*child))
return &to<T>(*child);
return &downcast<T>(*child);
}
return nullptr;
}
@ -381,7 +336,7 @@ inline const T* LayoutNode::first_ancestor_of_type() const
{
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (is<T>(*ancestor))
return &to<T>(*ancestor);
return &downcast<T>(*ancestor);
}
return nullptr;
}
@ -391,15 +346,13 @@ inline T* LayoutNode::first_ancestor_of_type()
{
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (is<T>(*ancestor))
return &to<T>(*ancestor);
return &downcast<T>(*ancestor);
}
return nullptr;
}
template<>
inline bool is<LayoutNodeWithStyle>(const LayoutNode& node)
{
return node.has_style();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutNodeWithStyle)
static bool is_type(const Web::LayoutNode& node) { return node.has_style(); }
AK_END_TYPE_TRAITS()

12
Libraries/LibWeb/Layout/LayoutReplaced.h
View file

@ -36,8 +36,8 @@ public:
LayoutReplaced(Document&, const Element&, NonnullRefPtr<StyleProperties>);
virtual ~LayoutReplaced() override;
const Element& node() const { return to<Element>(*LayoutNode::node()); }
Element& node() { return to<Element>(*LayoutNode::node()); }
const Element& node() const { return downcast<Element>(*LayoutNode::node()); }
Element& node() { return downcast<Element>(*LayoutNode::node()); }
virtual bool is_replaced() const final { return true; }
@ -75,10 +75,8 @@ private:
float m_intrinsic_ratio { 0 };
};
template<>
inline bool is<LayoutReplaced>(const LayoutNode& node)
{
return node.is_replaced();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutReplaced)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_replaced(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/Layout/LayoutTable.h
View file

@ -44,10 +44,8 @@ private:
virtual const char* class_name() const override { return "LayoutTable"; }
};
template<>
inline bool is<LayoutTable>(const LayoutNode& node)
{
return node.is_table();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutTable)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_table(); }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/Layout/LayoutTableCell.cpp
View file

@ -42,7 +42,7 @@ LayoutTableCell::~LayoutTableCell()
size_t LayoutTableCell::colspan() const
{
ASSERT(node());
return to<Element>(*node()).attribute(HTML::AttributeNames::colspan).to_uint().value_or(1);
return downcast<Element>(*node()).attribute(HTML::AttributeNames::colspan).to_uint().value_or(1);
}
float LayoutTableCell::width_of_logical_containing_block() const

8
Libraries/LibWeb/Layout/LayoutTableCell.h
View file

@ -46,10 +46,8 @@ private:
virtual float width_of_logical_containing_block() const override;
};
template<>
inline bool is<LayoutTableCell>(const LayoutNode& node)
{
return node.is_table_cell();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutTableCell)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_table_cell(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/Layout/LayoutTableRow.h
View file

@ -46,10 +46,8 @@ private:
virtual const char* class_name() const override { return "LayoutTableRow"; }
};
template<>
inline bool is<LayoutTableRow>(const LayoutNode& node)
{
return node.is_table_row();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutTableRow)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_table_row(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/Layout/LayoutTableRowGroup.h
View file

@ -44,10 +44,8 @@ private:
virtual const char* class_name() const override { return "LayoutTableRowGroup"; }
};
template<>
inline bool is<LayoutTableRowGroup>(const LayoutNode& node)
{
return node.is_table_row_group();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutTableRowGroup)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_table_row_group(); }
AK_END_TYPE_TRAITS()

8
Libraries/LibWeb/Layout/LayoutText.h
View file

@ -61,10 +61,8 @@ private:
String m_text_for_rendering;
};
template<>
inline bool is<LayoutText>(const LayoutNode& node)
{
return node.is_text();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutText)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_text(); }
AK_END_TYPE_TRAITS()

4
Libraries/LibWeb/Layout/LayoutTreeBuilder.cpp
View file

@ -50,7 +50,7 @@ static RefPtr<LayoutNode> create_layout_tree(Node& node, const StyleProperties*
bool have_inline_children = false;
bool have_noninline_children = false;
to<ParentNode>(node).for_each_child([&](Node& child) {
downcast<ParentNode>(node).for_each_child([&](Node& child) {
auto layout_child = create_layout_tree(child, &layout_node->specified_style());
if (!layout_child)
return;
@ -63,7 +63,7 @@ static RefPtr<LayoutNode> create_layout_tree(Node& node, const StyleProperties*
for (auto& layout_child : layout_children) {
if (have_noninline_children && have_inline_children && layout_child.is_inline()) {
if (is<LayoutText>(layout_child) && to<LayoutText>(layout_child).text_for_style(*parent_style) == " ")
if (is<LayoutText>(layout_child) && downcast<LayoutText>(layout_child).text_for_style(*parent_style) == " ")
continue;
layout_node->inline_wrapper().append_child(layout_child);
} else {

8
Libraries/LibWeb/Layout/LayoutWidget.h
View file

@ -50,10 +50,8 @@ private:
NonnullRefPtr<GUI::Widget> m_widget;
};
template<>
inline bool is<LayoutWidget>(const LayoutNode& node)
{
return node.is_widget();
}
}
AK_BEGIN_TYPE_TRAITS(Web::LayoutWidget)
static bool is_type(const Web::LayoutNode& layout_node) { return layout_node.is_widget(); }
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/Layout/LineBox.cpp
View file

@ -47,7 +47,7 @@ void LineBox::add_fragment(const LayoutNode& layout_node, int start, int length,
m_width += width;
if (is<LayoutBox>(layout_node))
const_cast<LayoutBox&>(to<LayoutBox>(layout_node)).set_containing_line_box_fragment(m_fragments.last());
const_cast<LayoutBox&>(downcast<LayoutBox>(layout_node)).set_containing_line_box_fragment(m_fragments.last());
}
void LineBox::trim_trailing_whitespace()

6
Libraries/LibWeb/Layout/LineBoxFragment.cpp
View file

@ -42,7 +42,7 @@ void LineBoxFragment::paint(PaintContext& context)
}
if (is<LayoutText>(layout_node())) {
to<LayoutText>(layout_node()).paint_fragment(context, *this);
downcast<LayoutText>(layout_node()).paint_fragment(context, *this);
}
}
@ -63,7 +63,7 @@ StringView LineBoxFragment::text() const
{
if (!is<LayoutText>(layout_node()))
return {};
return to<LayoutText>(layout_node()).text_for_rendering().substring_view(m_start, m_length);
return downcast<LayoutText>(layout_node()).text_for_rendering().substring_view(m_start, m_length);
}
const Gfx::FloatRect LineBoxFragment::absolute_rect() const
@ -78,7 +78,7 @@ int LineBoxFragment::text_index_at(float x) const
{
if (!layout_node().is_text())
return 0;
auto& layout_text = to<LayoutText>(layout_node());
auto& layout_text = downcast<LayoutText>(layout_node());
auto& font = layout_text.specified_style().font();
Utf8View view(text());

4
Libraries/LibWeb/LayoutTreeModel.cpp
View file

@ -127,7 +127,7 @@ GUI::Variant LayoutTreeModel::data(const GUI::ModelIndex& index, Role role) cons
}
if (role == Role::Display) {
if (node.is_text())
return String::format("LayoutText: %s", with_whitespace_collapsed(to<LayoutText>(node).text_for_rendering()).characters());
return String::format("LayoutText: %s", with_whitespace_collapsed(downcast<LayoutText>(node).text_for_rendering()).characters());
StringBuilder builder;
builder.append(node.class_name());
builder.append(' ');
@ -136,7 +136,7 @@ GUI::Variant LayoutTreeModel::data(const GUI::ModelIndex& index, Role role) cons
} else if (!node.node()->is_element()) {
builder.append(node.node()->node_name());
} else {
auto& element = to<Element>(*node.node());
auto& element = downcast<Element>(*node.node());
builder.append('<');
builder.append(element.local_name());
element.for_each_attribute([&](auto& name, auto& value) {

10
Libraries/LibWeb/PageView.cpp
View file

@ -107,7 +107,7 @@ void PageView::select_all()
int last_layout_node_index_in_node = 0;
if (is<LayoutText>(*last_layout_node))
last_layout_node_index_in_node = to<LayoutText>(*last_layout_node).text_for_rendering().length() - 1;
last_layout_node_index_in_node = downcast<LayoutText>(*last_layout_node).text_for_rendering().length() - 1;
layout_root->selection().set({ first_layout_node, 0 }, { last_layout_node, last_layout_node_index_in_node });
update();
@ -127,13 +127,13 @@ String PageView::selected_text() const
if (selection.start().layout_node == selection.end().layout_node) {
if (!is<LayoutText>(*selection.start().layout_node))
return "";
return to<LayoutText>(*selection.start().layout_node).text_for_rendering().substring(selection.start().index_in_node, selection.end().index_in_node - selection.start().index_in_node + 1);
return downcast<LayoutText>(*selection.start().layout_node).text_for_rendering().substring(selection.start().index_in_node, selection.end().index_in_node - selection.start().index_in_node + 1);
}
// Start node
auto layout_node = selection.start().layout_node;
if (is<LayoutText>(*layout_node)) {
auto& text = to<LayoutText>(*layout_node).text_for_rendering();
auto& text = downcast<LayoutText>(*layout_node).text_for_rendering();
builder.append(text.substring(selection.start().index_in_node, text.length() - selection.start().index_in_node));
}
@ -141,7 +141,7 @@ String PageView::selected_text() const
layout_node = layout_node->next_in_pre_order();
while (layout_node && layout_node != selection.end().layout_node) {
if (is<LayoutText>(*layout_node))
builder.append(to<LayoutText>(*layout_node).text_for_rendering());
builder.append(downcast<LayoutText>(*layout_node).text_for_rendering());
else if (is<LayoutBreak>(*layout_node) || is<LayoutBlock>(*layout_node))
builder.append('\n');
@ -151,7 +151,7 @@ String PageView::selected_text() const
// End node
ASSERT(layout_node == selection.end().layout_node);
if (is<LayoutText>(*layout_node)) {
auto& text = to<LayoutText>(*layout_node).text_for_rendering();
auto& text = downcast<LayoutText>(*layout_node).text_for_rendering();
builder.append(text.substring(0, selection.end().index_in_node + 1));
}

4
Libraries/LibWeb/Painting/StackingContext.cpp
View file

@ -54,7 +54,7 @@ void StackingContext::paint(PaintContext& context, LayoutNode::PaintPhase phase)
} else {
// NOTE: LayoutDocument::paint() merely calls StackingContext::paint()
// so we call its base class instead.
to<LayoutDocument>(m_box).LayoutBlock::paint(context, phase);
downcast<LayoutDocument>(m_box).LayoutBlock::paint(context, phase);
}
for (auto* child : m_children) {
child->paint(context, phase);
@ -69,7 +69,7 @@ HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position) const
} else {
// NOTE: LayoutDocument::hit_test() merely calls StackingContext::hit_test()
// so we call its base class instead.
result = to<LayoutDocument>(m_box).LayoutBlock::hit_test(position);
result = downcast<LayoutDocument>(m_box).LayoutBlock::hit_test(position);
}
for (auto* child : m_children) {

18
Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
View file

@ -441,7 +441,7 @@ void HTMLDocumentParser::handle_before_head(HTMLToken& token)
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::head) {
auto element = insert_html_element(token);
m_head_element = to<HTMLHeadElement>(element);
m_head_element = downcast<HTMLHeadElement>(*element);
m_insertion_mode = InsertionMode::InHead;
return;
}
@ -456,7 +456,7 @@ void HTMLDocumentParser::handle_before_head(HTMLToken& token)
}
AnythingElse:
m_head_element = to<HTMLHeadElement>(insert_html_element(HTMLToken::make_start_tag(HTML::TagNames::head)));
m_head_element = downcast<HTMLHeadElement>(*insert_html_element(HTMLToken::make_start_tag(HTML::TagNames::head)));
m_insertion_mode = InsertionMode::InHead;
process_using_the_rules_for(InsertionMode::InHead, token);
return;
@ -527,7 +527,7 @@ void HTMLDocumentParser::handle_in_head(HTMLToken& token)
if (token.is_start_tag() && token.tag_name() == HTML::TagNames::script) {
auto adjusted_insertion_location = find_appropriate_place_for_inserting_node();
auto element = create_element_for(token);
auto& script_element = to<HTMLScriptElement>(*element);
auto& script_element = downcast<HTMLScriptElement>(*element);
script_element.set_parser_document({}, document());
script_element.set_non_blocking({}, false);
@ -636,7 +636,7 @@ Text* HTMLDocumentParser::find_character_insertion_node()
if (adjusted_insertion_location.parent->is_document())
return nullptr;
if (adjusted_insertion_location.parent->last_child() && adjusted_insertion_location.parent->last_child()->is_text())
return to<Text>(adjusted_insertion_location.parent->last_child());
return downcast<Text>(adjusted_insertion_location.parent->last_child());
auto new_text_node = adopt(*new Text(document(), ""));
adjusted_insertion_location.parent->append_child(new_text_node);
return new_text_node;
@ -1179,7 +1179,7 @@ void HTMLDocumentParser::handle_in_body(HTMLToken& token)
close_a_p_element();
auto element = insert_html_element(token);
if (!m_stack_of_open_elements.contains(HTML::TagNames::template_))
m_form_element = to<HTMLFormElement>(*element);
m_form_element = downcast<HTMLFormElement>(*element);
return;
}
@ -1756,7 +1756,7 @@ void HTMLDocumentParser::handle_text(HTMLToken& token)
if (token.is_end_of_file()) {
PARSE_ERROR();
if (current_node().local_name() == HTML::TagNames::script)
to<HTMLScriptElement>(current_node()).set_already_started({}, true);
downcast<HTMLScriptElement>(current_node()).set_already_started({}, true);
m_stack_of_open_elements.pop();
m_insertion_mode = m_original_insertion_mode;
process_using_the_rules_for(m_insertion_mode, token);
@ -1766,7 +1766,7 @@ void HTMLDocumentParser::handle_text(HTMLToken& token)
// Make sure the <script> element has up-to-date text content before preparing the script.
flush_character_insertions();
NonnullRefPtr<HTMLScriptElement> script = to<HTMLScriptElement>(current_node());
NonnullRefPtr<HTMLScriptElement> script = downcast<HTMLScriptElement>(current_node());
m_stack_of_open_elements.pop();
m_insertion_mode = m_original_insertion_mode;
// FIXME: Handle tokenizer insertion point stuff here.
@ -2164,7 +2164,7 @@ void HTMLDocumentParser::handle_in_table(HTMLToken& token)
return;
}
m_form_element = to<HTMLFormElement>(insert_html_element(token));
m_form_element = downcast<HTMLFormElement>(*insert_html_element(token));
// FIXME: See previous FIXME, as this is the same situation but for form.
m_stack_of_open_elements.pop();
@ -2783,7 +2783,7 @@ NonnullRefPtrVector<Node> HTMLDocumentParser::parse_html_fragment(Element& conte
for (auto* form_candidate = &context_element; form_candidate; form_candidate = form_candidate->parent_element()) {
if (is<HTMLFormElement>(*form_candidate)) {
parser.m_form_element = to<HTMLFormElement>(*form_candidate);
parser.m_form_element = downcast<HTMLFormElement>(*form_candidate);
break;
}
}

13
Libraries/LibWeb/SVG/SVGGraphicsElement.h
View file

@ -63,15 +63,13 @@ protected:
}
namespace Web {
template<>
inline bool is<SVG::SVGGraphicsElement>(const Node& node)
AK_BEGIN_TYPE_TRAITS(Web::SVG::SVGGraphicsElement)
static bool is_type(const Web::Node& node)
{
if (!is<Element>(node))
if (!is<Web::Element>(node))
return false;
auto tag_name = to<Element>(node).tag_name();
auto tag_name = downcast<Web::Element>(node).tag_name();
#define __ENUMERATE_SVG_TAG(name) \
if (tag_name == #name) \
@ -81,5 +79,4 @@ inline bool is<SVG::SVGGraphicsElement>(const Node& node)
return false;
}
}
AK_END_TYPE_TRAITS()

2
Libraries/LibWeb/SVG/SVGSVGElement.cpp
View file

@ -101,7 +101,7 @@ void SVGSVGElement::paint(Gfx::Painter& painter, const SVGPaintingContext& conte
{
for_each_child([&](Node& child) {
if (is<SVGGraphicsElement>(child)) {
to<SVGGraphicsElement>(child).paint(painter, make_painting_context_from(context));
downcast<SVGGraphicsElement>(child).paint(painter, make_painting_context_from(context));
}
});
}

10
Libraries/LibWeb/TreeNode.h
View file

@ -28,19 +28,11 @@
#include <AK/Assertions.h>
#include <AK/NonnullRefPtr.h>
#include <AK/TypeCasts.h>
#include <AK/Weakable.h>
namespace Web {
// FIXME: I wish I didn't have to forward declare these, but I can't seem to avoid
// it if I still want to have for_each_in_subtree_of_type<U> inline here.
class Node;
class LayoutNode;
template<typename T>
bool is(const Node&);
template<typename T>
bool is(const LayoutNode&);
template<typename T>
class TreeNode : public Weakable<T> {
public: