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ladybird/Userland/Libraries/LibWeb/HTML/HTMLStyleElement.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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/*
LibWeb: Reimplement the <style> element following the spec We now follow the "update a style block" algorithm from the HTML spec instead of using the ad-hoc CSSLoader mechanism. This necessitated improving our StyleSheet and CSSStyleSheet classes as well, so that's baked into this commit.
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
LibWeb: Add actual document loading for the CSS (at)import rule
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* Copyright (c) 2021, the SerenityOS developers.
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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*
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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*/
LibHTML: Add a simple <style> element for inline CSS
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#pragma once
LibWeb: Move HTML object model stuff into LibWeb/HTML/ Take a hint from SVG and more all the HTML classes into HTML instead of mixing them with the DOM classes.
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#include <LibWeb/HTML/HTMLElement.h>
LibHTML: Add a simple <style> element for inline CSS
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LibWeb: Move HTML classes into the Web::HTML namespace
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namespace Web::HTML {
LibWeb: Move everything into the Web namespace
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LibWeb: Make all existing HTML elements "final"
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class HTMLStyleElement 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(HTMLStyleElement, HTMLElement);
LibWeb: Add a whole bunch of HTML DOM bindings Note that these aren't full implementations of the bindings. This mostly implements the low hanging fruit (namely, basic reflections) There are some attributes that should be USVString instead of DOMString. However, USVString is a slightly different definition of DOMString, so it should suffice for now.
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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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public:
LibHTML: Add a simple <style> element for inline CSS
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virtual ~HTMLStyleElement() override;
LibWeb: Implement <script src> support for synchronous scripts Scripts loaded in this way will block the parser until they finish executing. This means that they see the DOM before the whole document has been fully parsed. This is all normal, of course. To make this work, I changed the way we notify DOM nodes about tree insertion. The inserted_into() callbacks are now incrementally invoked during parse, as each node is appended to its parent. To accomodate inline scripts and inline style sheets, we now also have a children_changed() callback which is invoked on any parent when it has children added/removed.
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virtual void children_changed() override;
LibWeb: Parse <style> element text content when inserted into document 1% progression on ACID3. :^)
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virtual void inserted() override;
LibWeb: Make the node mutation event functions spec compliant This particularly affects the insertion steps and the removed steps. The insertion steps no longer take into the parent that the node was inserted to, as per the spec. Due to this, I have renamed the function from "inserted_into" to simply "inserted". None of the users of the insertion steps was using it anyway. The removed steps now take a pointer to the old parent instead of a reference. This is because it is optional according to the spec and old parent is null when running the removal steps for the descendants of a node that just got removed. This commit does not affect HTMLScriptElement as there is a bit more to that, which is better suited for a separate commit. Also adds in the adopted steps as they will be used later.
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virtual void removed_from(Node*) override;
LibHTML: Add a simple <style> element for inline CSS
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LibWeb: Reimplement the <style> element following the spec We now follow the "update a style block" algorithm from the HTML spec instead of using the ad-hoc CSSLoader mechanism. This necessitated improving our StyleSheet and CSSStyleSheet classes as well, so that's baked into this commit.
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void update_a_style_block();
LibWeb: Make StyleSheet and CSSStyleSheet GC-allocated
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CSS::CSSStyleSheet* sheet();
CSS::CSSStyleSheet const* sheet() const;
LibWeb: Implement HTMLStyleElement.sheet
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LibHTML: Add a simple <style> element for inline CSS
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private:
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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HTMLStyleElement(DOM::Document&, DOM::QualifiedName);
LibJS+Everywhere: Allow Cell::initialize overrides to throw OOM errors Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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 void visit_edges(Cell::Visitor&) override;
LibWeb: Use W3C urls for CSSOM spec links https://www.w3.org/TR/cssom/ is the more permanent home of the CSSOM specification's latest version, and is up to date with the draft spec. Also, https://drafts.csswg.org/ has been down multiple times recently which made looking things up a pain.
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// https://www.w3.org/TR/cssom/#associated-css-style-sheet
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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JS::GCPtr<CSS::CSSStyleSheet> m_associated_css_style_sheet;
LibHTML: Add a simple <style> element for inline CSS
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};
LibWeb: Move everything into the Web namespace
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LibWeb: Add HTML::TagNames namespace for global tag name FlyStrings Instead of "iframe", we can now say HTML::TagNames::iframe and avoid a FlyString lookup.
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}
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