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LibWeb: Add an Internals.headless attribute

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This returns true if the browser is running in headless mode.
This commit is contained in:
Tim Ledbetter 2024-12-09 21:53:31 +00:00 committed by Tim Flynn
parent e764df15eb
commit a44b18236c
Notes: github-actions[bot] 2024-12-10 18:32:51 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/a44b18236cc
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2858
Reviewed-by: https://github.com/trflynn89
5 changed files with 17 additions and 0 deletions
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5
Libraries/LibWeb/Internals/Internals.cpp
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@ -239,4 +239,9 @@ void Internals::set_echo_server_port(u16 const port)
s_echo_server_port = port;
}
bool Internals::headless()
{
return internals_page().client().is_headless();
}
}

2
Libraries/LibWeb/Internals/Internals.h
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@ -55,6 +55,8 @@ public:
static u16 get_echo_server_port();
static void set_echo_server_port(u16 port);
bool headless();
private:
explicit Internals(JS::Realm&);
virtual void initialize(JS::Realm&) override;

2
Libraries/LibWeb/Internals/Internals.idl
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@ -42,4 +42,6 @@ interface Internals {
DOMString getComputedRole(Element element);
DOMString getComputedLabel(Element element);
unsigned short getEchoServerPort();
readonly attribute boolean headless;
};

1
Tests/LibWeb/Text/expected/Internals/headless.txt Normal file
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@ -0,0 +1 @@
Browser is running headlessly: true

7
Tests/LibWeb/Text/input/Internals/headless.html Normal file
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@ -0,0 +1,7 @@
<!DOCTYPE html>
<script src="../include.js"></script>
<script>
test(() => {
println(`Browser is running headlessly: ${internals.headless}`);
});
</script>