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LibWeb: Implement the 'Current {settings,global} object' concepts

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This commit is contained in:
Linus Groh 2022-03-05 20:56:29 +01:00
parent bc1b33eb22
commit db983b469d
Notes: sideshowbarker 2024-07-17 22:55:25 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/db983b469d
Pull-request: https://github.com/SerenityOS/serenity/pull/12919
Reviewed-by: https://github.com/awesomekling ✅
2 changed files with 24 additions and 0 deletions
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21
Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -270,4 +271,24 @@ JS::GlobalObject& incumbent_global_object()
return incumbent_settings_object().global_object();
}
// https://html.spec.whatwg.org/multipage/webappapis.html#current-settings-object
EnvironmentSettingsObject& current_settings_object()
{
auto& event_loop = HTML::main_thread_event_loop();
auto& vm = event_loop.vm();
// Then, the current settings object is the environment settings object of the current Realm Record.
return verify_cast<EnvironmentSettingsObject>(*vm.current_realm()->host_defined());
}
// https://html.spec.whatwg.org/multipage/webappapis.html#current-global-object
JS::GlobalObject& current_global_object()
{
auto& event_loop = HTML::main_thread_event_loop();
auto& vm = event_loop.vm();
// Similarly, the current global object is the global object of the current Realm Record.
return vm.current_realm()->global_object();
}
}

3
Userland/Libraries/LibWeb/HTML/Scripting/Environments.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -117,5 +118,7 @@ private:
EnvironmentSettingsObject& incumbent_settings_object();
JS::Realm& incumbent_realm();
JS::GlobalObject& incumbent_global_object();
EnvironmentSettingsObject& current_settings_object();
JS::GlobalObject& current_global_object();
}