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ladybird/Libraries/LibWeb/Layout/ReplacedBox.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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/*
Meta: Update my e-mail address everywhere
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
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*/
Meta: Add a script check the presence of "#pragma once" in header files .. and make travis run it. I renamed check-license-headers.sh to check-style.sh and expanded it so that it now also checks for the presence of "#pragma once" in .h files. It also checks the presence of a (single) blank line above and below the "#pragma once" line. I also added "#pragma once" to all the files that need it: even the ones we are not check. I also added/removed blank lines in order to make the script not fail. I also ran clang-format on the files I modified.
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#pragma once
LibWeb: Rename directory LibHTML => LibWeb Let's rename this to LibWeb since it aims to provide more parts of the web platform than just HTML. :^)
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#include <LibWeb/DOM/Element.h>
LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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#include <LibWeb/Layout/Box.h>
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
2019-10-05 22:07:45 +02:00
LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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namespace Web::Layout {
LibWeb: Move everything into the Web namespace
2020-03-07 10:27:02 +01:00
LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
2020-11-22 15:53:01 +01:00
class ReplacedBox : public Box {
LibGC+Everywhere: Factor out a LibGC from LibJS Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
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GC_CELL(ReplacedBox, Box);
LibWeb: Make the layout tree GC-allocated This removes a set of complex reference cycles between DOM, layout tree and browsing context. It also makes lifetimes much easier to reason about, as the DOM and layout trees are now free to keep each other alive.
2022-10-17 14:41:50 +02:00
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
2019-10-05 22:07:45 +02:00
public:
LibWeb: Allow Layout::ImageBox to be anonymous This is prep work for CSS content:image, which means pseudo-elements can be used to generate images without a corresponding DOM node.
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ReplacedBox(DOM::Document&, GC::Ptr<DOM::Element>, GC::Ref<CSS::ComputedProperties>);
LibWeb: Rename LayoutNode classes and move them into Layout namespace Bring the names of various boxes closer to spec language. This should hopefully make things easier to understand and hack on. :^) Some notable changes: - LayoutNode -> Layout::Node - LayoutBox -> Layout::Box - LayoutBlock -> Layout::BlockBox - LayoutReplaced -> Layout::ReplacedBox - LayoutDocument -> Layout::InitialContainingBlockBox - LayoutText -> Layout::TextNode - LayoutInline -> Layout::InlineNode Note that this is not strictly a "box tree" as we also hang inline/text nodes in the same tree, and they don't generate boxes. (Instead, they contribute line box fragments to their containing block!)
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virtual ~ReplacedBox() override;
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
2019-10-05 22:07:45 +02:00
LibWeb: Allow Layout::ImageBox to be anonymous This is prep work for CSS content:image, which means pseudo-elements can be used to generate images without a corresponding DOM node.
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GC::Ptr<DOM::Element const> dom_node() const { return as<DOM::Element>(Node::dom_node()); }
GC::Ptr<DOM::Element> dom_node() { return as<DOM::Element>(Node::dom_node()); }
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
2019-10-05 22:07:45 +02:00
LibWeb: Reorganize layout system in terms of formatting contexts This is a first (huge) step towards modernizing the layout architecture and bringing it closer to spec language. Layout is now performed by a stack of formatting contexts, operating on the box tree (or layout tree, if you will.) There are currently three types of formatting context: - BlockFormattingContext (BFC) - InlineFormattingContext (IFC) - TableFormattingContext (TFC) Document::layout() creates the initial BlockFormattingContext (BFC) which lays out the initial containing block (ICB), and then we recurse through the tree, creating BFC, IFC or TFC as appropriate and handing over control at the context boundaries. The majority of this patch is just refactoring the old logic spread out in LayoutBlock and LayoutTableRowGroup, and turning into these context classes instead. A lot more cleanup will be needed. There are many architectural wins here, the main one being that layout is no longer performed by boxes themselves, which gives us much greater flexibility in the outer/inner layout of a given box.
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virtual void prepare_for_replaced_layout() { }
LibWeb: Allow <svg> layout boxes to have children We can't say that "no replaced boxes can have children", since that breaks SVG. Instead, let each LayoutNode decide whether it's allowed to have children. Fixes #4223.
2020-11-29 15:29:10 +01:00
virtual bool can_have_children() const override { return false; }
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
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private:
LibWeb: Add some fast_is<T> helpers for hot classes on GitHub :^)
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virtual bool is_replaced_box() const final { return true; }
LibHTML: Flesh out <img> element with LayoutImage and LayoutReplaced This patch adds parsing of <img> into HTMLImageElement objects. It also adds LayoutImage and its parent class LayoutReplaced, which is going to represent CSS "replaced elements."
2019-10-05 22:07:45 +02:00
};
LibHTML: Add is<T> and to<T> helpers for LayoutNode class family
2019-10-15 14:19:52 +02:00
LibWeb: Add some fast_is<T> helpers for hot classes on GitHub :^)
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template<>
inline bool Node::fast_is<ReplacedBox>() const { return is_replaced_box(); }
LibHTML: Add is<T> and to<T> helpers for LayoutNode class family
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}
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