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LibWeb: Implement the 'Relevant realm/{settings,global} object' concepts

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This commit is contained in:
Linus Groh 2022-03-05 21:01:26 +01:00
parent db983b469d
commit 11d0e37d8e
Notes: sideshowbarker 2024-07-17 17:52:03 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/11d0e37d8e
Pull-request: https://github.com/SerenityOS/serenity/pull/12919
Reviewed-by: https://github.com/awesomekling ✅
2 changed files with 25 additions and 0 deletions
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21
Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
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@ -291,4 +291,25 @@ JS::GlobalObject& current_global_object()
return vm.current_realm()->global_object();
}
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-relevant-realm
JS::Realm& relevant_realm(JS::Object const& object)
{
// The relevant Realm for a platform object is the value of its [[Realm]] field.
return *object.global_object().associated_realm();
}
// https://html.spec.whatwg.org/multipage/webappapis.html#relevant-settings-object
EnvironmentSettingsObject& relevant_settings_object(JS::Object const& object)
{
// Then, the relevant settings object for a platform object o is the environment settings object of the relevant Realm for o.
return verify_cast<EnvironmentSettingsObject>(*relevant_realm(object).host_defined());
}
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-relevant-global
JS::GlobalObject& relevant_global_object(JS::Object const& object)
{
// Similarly, the relevant global object for a platform object o is the global object of the relevant Realm for o.
return relevant_realm(object).global_object();
}
}

4
Userland/Libraries/LibWeb/HTML/Scripting/Environments.h
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@ -10,6 +10,7 @@
#include <AK/URL.h>
#include <LibJS/Runtime/ExecutionContext.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Realm.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
@ -120,5 +121,8 @@ JS::Realm& incumbent_realm();
JS::GlobalObject& incumbent_global_object();
EnvironmentSettingsObject& current_settings_object();
JS::GlobalObject& current_global_object();
JS::Realm& relevant_realm(JS::Object const&);
EnvironmentSettingsObject& relevant_settings_object(JS::Object const&);
JS::GlobalObject& relevant_global_object(JS::Object const&);
}