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LibWeb: Implement "Document has a style sheet that is blocking scripts"

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This will be used by the HTML parser to determine whether it's okay to
start running a script.

Note that we don't actually count the script-blocking style sheets yet.
This patch only adds a the checking mechanism for the parser.
This commit is contained in:
Andreas Kling 2021-09-09 02:11:11 +02:00
parent 71d7c8a353
commit c759055c08
2 changed files with 19 additions and 0 deletions
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5
Userland/Libraries/LibWeb/DOM/Document.h
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@ -270,6 +270,8 @@ public:
String dump_dom_tree_as_json() const;
bool has_a_style_sheet_that_is_blocking_scripts() const;
private:
explicit Document(const URL&);
@ -347,6 +349,9 @@ private:
bool m_should_invalidate_styles_on_attribute_changes { true };
u32 m_ignore_destructive_writes_counter { 0 };
// https://html.spec.whatwg.org/multipage/semantics.html#script-blocking-style-sheet-counter
u32 m_script_blocking_style_sheet_counter { 0 };
};
}