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ladybird/Libraries/LibWeb/HTML/HTMLTableCaptionElement.h

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LibWeb: Add all HTML elements between S and V
2020-08-01 03:07:00 +01:00
/*
Everywhere: Use "the SerenityOS developers." in copyright headers We had some inconsistencies before: - Sometimes "The", sometimes "the" - Sometimes trailing ".", sometimes no trailing "." I picked the most common one (lowecase "the", trailing ".") and applied it to all copyright headers. By using the exact same string everywhere we can ensure nothing gets missed during a global search (and replace), and that these inconsistencies are not spread any further (as copyright headers are commonly copied to new files).
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* Copyright (c) 2020, the SerenityOS developers.
LibWeb: Add all HTML elements between S and V
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*
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
LibWeb: Add all HTML elements between S and V
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*/
#pragma once
LibWeb: Move ARIA-related code into the Web::ARIA namespace ARIA has its own spec and is not part of the DOM spec, which is what the Web::DOM namespace is for (https://www.w3.org/TR/wai-aria-1.2/). This allows us to stay closer to the spec with function names and don't have to add the word "ARIA" to identifiers constantly - the namespace now provides that clarity.
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#include <LibWeb/ARIA/Roles.h>
LibWeb: Add all HTML elements between S and V
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#include <LibWeb/HTML/HTMLElement.h>
namespace Web::HTML {
class HTMLTableCaptionElement final : public HTMLElement {
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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WEB_PLATFORM_OBJECT(HTMLTableCaptionElement, HTMLElement);
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_DECLARE_ALLOCATOR(HTMLTableCaptionElement);
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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LibWeb: Add all HTML elements between S and V
2020-08-01 03:07:00 +01:00
public:
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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virtual ~HTMLTableCaptionElement() override;
LibWeb: Add all HTML elements between S and V
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LibWeb: Avoid many style invalidations on DOM attribute mutation Many times, attribute mutation doesn't necessitate a full style invalidation on the element. However, the conditions are pretty elaborate, so this first version has a lot of false positives. We only need to invalidate style when any of these things apply: 1. The change may affect the match state of a selector somewhere. 2. The change may affect presentational hints applied to the element. For (1) in this first version, we have a fixed list of attribute names that may affect selectors. We also collect all names referenced by attribute selectors anywhere in the document. For (2), we add a new Element::is_presentational_hint() virtual that tells us whether a given attribute name is a presentational hint. This drastically reduces style work on many websites. As an example, https://cnn.com/ is once again browseable.
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virtual bool is_presentational_hint(FlyString const&) const override;
LibWeb: Split StyleComputer work into two phases with separate outputs Before this change, StyleComputer would essentially take a DOM element, find all the CSS rules that apply to it, and resolve the computed value for each CSS property for that element. This worked great, but it meant we had to do all the work of selector matching and cascading every time. To enable new optimizations, this change introduces a break in the middle of this process where we've produced a "CascadedProperties". This object contains the result of the cascade, before we've begun turning cascaded values into computed values. The cascaded properties are now stored with each element, which will later allow us to do partial updates without re-running the full StyleComputer machine. This will be particularly valuable for re-implementing CSS inheritance, which is extremely heavy today. Note that CSS animations and CSS transitions operate entirely on the computed values, even though the cascade order would have you believe they happen earlier. I'm not confident we have the right architecture for this, but that's a separate issue.
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virtual void apply_presentational_hints(GC::Ref<CSS::CascadedProperties>) const override;
LibWeb: Support more presentational hints from the HTML spec Specifically, this adds support for the align attribute when applied to heading, paragraph and caption elements.
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LibWeb: Add Support for the ARIA Element Properties Element now supports getting and setting ARIA properties from JS and HTML.
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// https://www.w3.org/TR/html-aria/#el-caption
LibWeb: Move ARIA-related code into the Web::ARIA namespace ARIA has its own spec and is not part of the DOM spec, which is what the Web::DOM namespace is for (https://www.w3.org/TR/wai-aria-1.2/). This allows us to stay closer to the spec with function names and don't have to add the word "ARIA" to identifiers constantly - the namespace now provides that clarity.
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virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::caption; }
LibWeb: Add Support for the ARIA Element Properties Element now supports getting and setting ARIA properties from JS and HTML.
2022-11-28 17:58:13 -06:00
LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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private:
LibWeb: Move QualifiedName into the Web::DOM namespace
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HTMLTableCaptionElement(DOM::Document&, DOM::QualifiedName);
LibWeb: Move setting of Web object prototypes to initialize() This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
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LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
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virtual void initialize(JS::Realm&) override;
LibWeb: Add all HTML elements between S and V
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};
}
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