4190fd2199
Our "frame" concept very closely matches what the web specs call a "browsing context", so let's rename it to that. :^) The "main frame" becomes the "top-level browsing context", and "sub-frames" are now "nested browsing contexts".
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/CSS/Length.h>
|
|
#include <LibWeb/DOM/Document.h>
|
|
#include <LibWeb/HTML/HTMLHtmlElement.h>
|
|
#include <LibWeb/Page/BrowsingContext.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
float Length::relative_length_to_px(const Layout::Node& layout_node) const
|
|
{
|
|
switch (m_type) {
|
|
case Type::Ex:
|
|
return m_value * layout_node.font().x_height();
|
|
case Type::Em:
|
|
return m_value * layout_node.font_size();
|
|
case Type::Rem:
|
|
return m_value * layout_node.document().document_element()->layout_node()->font_size();
|
|
case Type::Vw:
|
|
return layout_node.document().browsing_context()->viewport_rect().width() * (m_value / 100);
|
|
case Type::Vh:
|
|
return layout_node.document().browsing_context()->viewport_rect().height() * (m_value / 100);
|
|
case Type::Vmin: {
|
|
auto viewport = layout_node.document().browsing_context()->viewport_rect();
|
|
|
|
return min(viewport.width(), viewport.height()) * (m_value / 100);
|
|
}
|
|
case Type::Vmax: {
|
|
auto viewport = layout_node.document().browsing_context()->viewport_rect();
|
|
|
|
return max(viewport.width(), viewport.height()) * (m_value / 100);
|
|
}
|
|
default:
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
const char* Length::unit_name() const
|
|
{
|
|
switch (m_type) {
|
|
case Type::Cm:
|
|
return "cm";
|
|
case Type::In:
|
|
return "in";
|
|
case Type::Px:
|
|
return "px";
|
|
case Type::Pt:
|
|
return "pt";
|
|
case Type::Mm:
|
|
return "mm";
|
|
case Type::Q:
|
|
return "Q";
|
|
case Type::Pc:
|
|
return "pc";
|
|
case Type::Ex:
|
|
return "ex";
|
|
case Type::Em:
|
|
return "em";
|
|
case Type::Rem:
|
|
return "rem";
|
|
case Type::Auto:
|
|
return "auto";
|
|
case Type::Percentage:
|
|
return "%";
|
|
case Type::Undefined:
|
|
return "undefined";
|
|
case Type::Vh:
|
|
return "vh";
|
|
case Type::Vw:
|
|
return "vw";
|
|
case Type::Vmax:
|
|
return "vmax";
|
|
case Type::Vmin:
|
|
return "vmin";
|
|
}
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
|
|
}
|