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LibWeb: Start exposing CSS style sheets to JavaScript :^)

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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. :^)
This commit is contained in:
Andreas Kling 2021-03-08 11:22:18 +01:00
parent 0d515dea5d
commit a9830d9a55
12 changed files with 86 additions and 13 deletions
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31
Userland/Libraries/LibWeb/CSS/StyleSheetList.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -28,27 +28,46 @@
#include <AK/NonnullRefPtrVector.h>
#include <AK/RefCounted.h>
#include <LibWeb/CSS/StyleSheet.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/CSS/CSSStyleSheet.h>
#include <LibWeb/Forward.h>
namespace Web::CSS {
class StyleSheetList : public RefCounted<StyleSheetList> {
class StyleSheetList
: public RefCounted<StyleSheetList>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::StyleSheetListWrapper;
static NonnullRefPtr<StyleSheetList> create(DOM::Document& document)
{
return adopt(*new StyleSheetList(document));
}
void add_sheet(NonnullRefPtr<StyleSheet>);
void add_sheet(NonnullRefPtr<CSSStyleSheet>);
const NonnullRefPtrVector<CSSStyleSheet>& sheets() const { return m_sheets; }
const NonnullRefPtrVector<StyleSheet>& sheets() const { return m_sheets; }
RefPtr<CSSStyleSheet> item(size_t index) const
{
if (index >= m_sheets.size())
return {};
return m_sheets[index];
}
size_t length() const { return m_sheets.size(); }
private:
explicit StyleSheetList(DOM::Document&);
DOM::Document& m_document;
NonnullRefPtrVector<StyleSheet> m_sheets;
NonnullRefPtrVector<CSSStyleSheet> m_sheets;
};
}
namespace Web::Bindings {
StyleSheetListWrapper* wrap(JS::GlobalObject&, CSS::StyleSheetList&);
}