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ladybird/Userland/Libraries/LibWeb/CSS/StyleSheetList.h

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LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
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/*
LibWeb: Make StyleSheetList GC-allocated
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* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
LibWeb: Restore proper functionality of legacy platform objects With the GC heap conversion, the functionality of legacy platform objects was broken. This is because the generated implementation of one of them was used for all of them, removing functionality such as deletion. This re-adds all functionality, where questions such as "does the object support indexed properties?" is instead answered by virtual functions instead of by the IDL generator checking the presence of certain keywords/attributes.
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* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
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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: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
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*/
#pragma once
LibWeb: Make StyleSheetList GC-allocated
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#include <LibWeb/Bindings/LegacyPlatformObject.h>
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
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#include <LibWeb/CSS/CSSStyleSheet.h>
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Use "namespace Web::Foo {" since C++20 allows it :^) Thanks @nico for teaching me about this!
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namespace Web::CSS {
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Make StyleSheetList GC-allocated
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class StyleSheetList : public Bindings::LegacyPlatformObject {
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(StyleSheetList, Bindings::LegacyPlatformObject);
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
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LibWeb: Make StyleSheetList GC-allocated
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public:
LibWeb: Make factory method of CSS::StyleSheetList fallible
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<StyleSheetList>> create(DOM::Document& document);
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Make StyleSheet and CSSStyleSheet GC-allocated
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void add_sheet(CSSStyleSheet&);
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 remove_sheet(CSSStyleSheet&);
LibWeb: Keep CSS sheets sorted in document tree order This ensures that style is applied consistently, even if the document has external CSS resources that don't always arrive in the same order.
2022-09-09 11:08:56 +02:00
Vector<JS::NonnullGCPtr<CSSStyleSheet>> const& sheets() const { return m_sheets; }
Vector<JS::NonnullGCPtr<CSSStyleSheet>>& sheets() { return m_sheets; }
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
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LibWeb: Make StyleSheet and CSSStyleSheet GC-allocated
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CSSStyleSheet* item(size_t index) const
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
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{
if (index >= m_sheets.size())
return {};
LibWeb: Keep CSS sheets sorted in document tree order This ensures that style is applied consistently, even if the document has external CSS resources that don't always arrive in the same order.
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return const_cast<CSSStyleSheet*>(m_sheets[index].ptr());
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
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}
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Start exposing CSS style sheets to JavaScript :^) This patch adds bindings for the following objects: - StyleSheet - StyleSheetList - CSSStyleSheet You can get to a document's style sheets via Document.styleSheets and iterate through them using StyleSheetList's item() and length(). That's it in terms of functionality at this point, but still neat. :^)
2021-03-08 11:22:18 +01:00
size_t length() const { return m_sheets.size(); }
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Make StyleSheetList GC-allocated
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virtual bool is_supported_property_index(u32 index) const override;
LibWeb: Restore proper functionality of legacy platform objects With the GC heap conversion, the functionality of legacy platform objects was broken. This is because the generated implementation of one of them was used for all of them, removing functionality such as deletion. This re-adds all functionality, where questions such as "does the object support indexed properties?" is instead answered by virtual functions instead of by the IDL generator checking the presence of certain keywords/attributes.
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virtual WebIDL::ExceptionOr<JS::Value> item_value(size_t index) const override;
LibWeb: Make StyleSheetList.item an IDL getter
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LibWeb: Invalidate style after CSSStyleSheet.{insert,remove}Rule() When rules are inserted or removed via the CSSOM API, we now invalidate document style to ensure that any changes made are reflected. 1% progression on ACID3. :^)
2022-03-09 19:57:15 +01:00
DOM::Document& document() { return m_document; }
DOM::Document const& document() const { return m_document; }
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
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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explicit StyleSheetList(DOM::Document&);
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: Make StyleSheetList GC-allocated
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virtual void visit_edges(Cell::Visitor&) override;
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
2020-06-04 16:06:32 +02:00
LibWeb: Restore proper functionality of legacy platform objects With the GC heap conversion, the functionality of legacy platform objects was broken. This is because the generated implementation of one of them was used for all of them, removing functionality such as deletion. This re-adds all functionality, where questions such as "does the object support indexed properties?" is instead answered by virtual functions instead of by the IDL generator checking the presence of certain keywords/attributes.
2023-02-28 00:05:39 +00:00
// ^Bindings::LegacyPlatformObject
virtual bool supports_indexed_properties() const override { return true; }
virtual bool supports_named_properties() const override { return false; }
virtual bool has_indexed_property_setter() const override { return false; }
virtual bool has_named_property_setter() const override { return false; }
virtual bool has_named_property_deleter() const override { return false; }
virtual bool has_legacy_override_built_ins_interface_extended_attribute() const override { return false; }
virtual bool has_legacy_unenumerable_named_properties_interface_extended_attribute() const override { return false; }
virtual bool has_global_interface_extended_attribute() const override { return false; }
virtual bool indexed_property_setter_has_identifier() const override { return false; }
virtual bool named_property_setter_has_identifier() const override { return false; }
virtual bool named_property_deleter_has_identifier() const override { return false; }
LibWeb: Keep CSS sheets sorted in document tree order This ensures that style is applied consistently, even if the document has external CSS resources that don't always arrive in the same order.
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void sort_sheets();
LibJS+LibWeb: Wrap raw JS::Cell*/& fields in GCPtr/NonnullGCPtr
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JS::NonnullGCPtr<DOM::Document> m_document;
LibWeb: Keep CSS sheets sorted in document tree order This ensures that style is applied consistently, even if the document has external CSS resources that don't always arrive in the same order.
2022-09-09 11:08:56 +02:00
Vector<JS::NonnullGCPtr<CSSStyleSheet>> m_sheets;
LibWeb: Process style sheets in document order Until now we would simply apply stylesheets in the order they finished loading. This patch adds a StyleSheetList object that hangs off of each Document and contains all the style sheets in document order. There's still a lot of work to do for a proper cascade, but at least this makes us consistently wrong every time. :^)
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};
}
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