759bfbb572
Get rid of the old, roundabout way of invalidating the rule cache by incrementing the StyleSheetList "generation". Instead, when something wants to invalidate the rule cache, just have it directly invalidate the rule cache. This makes it much easier to see what's happening anyway.
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
|
||
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include <LibWeb/CSS/StyleSheetList.h>
|
||
#include <LibWeb/DOM/Document.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
void StyleSheetList::add_sheet(NonnullRefPtr<CSSStyleSheet> sheet)
|
||
{
|
||
VERIFY(!m_sheets.contains_slow(sheet));
|
||
sheet->set_style_sheet_list({}, this);
|
||
m_sheets.append(move(sheet));
|
||
|
||
m_document.style_computer().invalidate_rule_cache();
|
||
m_document.invalidate_style();
|
||
}
|
||
|
||
void StyleSheetList::remove_sheet(CSSStyleSheet& sheet)
|
||
{
|
||
sheet.set_style_sheet_list({}, nullptr);
|
||
m_sheets.remove_first_matching([&](auto& entry) { return &*entry == &sheet; });
|
||
|
||
m_document.style_computer().invalidate_rule_cache();
|
||
m_document.invalidate_style();
|
||
}
|
||
|
||
StyleSheetList::StyleSheetList(DOM::Document& document)
|
||
: m_document(document)
|
||
{
|
||
}
|
||
|
||
// https://www.w3.org/TR/cssom/#ref-for-dfn-supported-property-indices%E2%91%A1
|
||
bool StyleSheetList::is_supported_property_index(u32 index) const
|
||
{
|
||
// The object’s supported property indices are the numbers in the range zero to one less than the number of CSS style sheets represented by the collection.
|
||
// If there are no such CSS style sheets, then there are no supported property indices.
|
||
if (m_sheets.is_empty())
|
||
return false;
|
||
|
||
return index < m_sheets.size();
|
||
}
|
||
|
||
}
|