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LibWeb: Implement Window.focus

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Luke Wilde 2022-11-05 14:38:49 +00:00 • committed by Andreas Kling
parent a10204133a
commit a569d02b0d
2 changed files with 25 additions and 0 deletions
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24
Userland/Libraries/LibWeb/HTML/Window.cpp
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@ -33,6 +33,7 @@
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/EventHandler.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
#include <LibWeb/HTML/Focus.h>
#include <LibWeb/HTML/MessageEvent.h>
#include <LibWeb/HTML/Navigator.h>
#include <LibWeb/HTML/Origin.h>
@ -775,6 +776,7 @@ void Window::initialize_web_interfaces(Badge<WindowEnvironmentSettingsObject>)
define_native_function(realm, "cancelAnimationFrame", cancel_animation_frame, 1, attr);
define_native_function(realm, "atob", atob, 1, attr);
define_native_function(realm, "btoa", btoa, 1, attr);
define_native_function(realm, "focus", focus, 0, attr);
define_native_function(realm, "queueMicrotask", queue_microtask, 1, attr);
@ -1082,6 +1084,28 @@ JS_DEFINE_NATIVE_FUNCTION(Window::btoa)
return JS::js_string(vm, move(encoded));
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-window-focus
JS_DEFINE_NATIVE_FUNCTION(Window::focus)
{
auto* impl = TRY(impl_from(vm));
// 1. Let current be this Window object's browsing context.
auto* current = impl->browsing_context();
// 2. If current is null, then return.
if (!current)
return JS::js_undefined();
// 3. Run the focusing steps with current.
// FIXME: We should pass in the browsing context itself instead of the active document, however the focusing steps don't currently accept browsing contexts.
// Passing in a browsing context always makes it resolve to its active document for focus, so this is fine for now.
run_focusing_steps(current->active_document());
// FIXME: 4. If current is a top-level browsing context, user agents are encouraged to trigger some sort of notification to indicate to the user that the page is attempting to gain focus.
return JS::js_undefined();
}
// https://html.spec.whatwg.org/multipage/window-object.html#number-of-document-tree-child-browsing-contexts
JS::ThrowCompletionOr<size_t> Window::document_tree_child_browsing_context_count() const
{

1
Userland/Libraries/LibWeb/HTML/Window.h
View file

@ -256,6 +256,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(cancel_animation_frame);
JS_DECLARE_NATIVE_FUNCTION(atob);
JS_DECLARE_NATIVE_FUNCTION(btoa);
JS_DECLARE_NATIVE_FUNCTION(focus);
JS_DECLARE_NATIVE_FUNCTION(get_computed_style);
JS_DECLARE_NATIVE_FUNCTION(match_media);