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LibWeb/HTML: Port Window.requestAnimationFrame() to IDL

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This commit is contained in:
Linus Groh 2023-03-07 18:12:58 +00:00
parent 86589f09dc
commit 211e6c1fbc
4 changed files with 25 additions and 30 deletions
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41
Userland/Libraries/LibWeb/HTML/Window.cpp
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@ -536,21 +536,6 @@ i32 Window::run_timer_initialization_steps(TimerHandler handler, i32 timeout, JS
return id;
}
// https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#run-the-animation-frame-callbacks
i32 Window::request_animation_frame_impl(WebIDL::CallbackType& js_callback)
{
// FIXME: `now` is supposed to be passed in
auto now = HighResolutionTime::unsafe_shared_current_time();
return m_animation_frame_callback_driver.add([this, now, js_callback = JS::make_handle(js_callback)](auto) {
// 3. Invoke callback, passing now as the only argument,
auto result = WebIDL::invoke_callback(*js_callback, {}, JS::Value(now));
// and if an exception is thrown, report the exception.
if (result.is_error())
HTML::report_exception(result, realm());
});
}
void Window::cancel_animation_frame_impl(i32 id)
{
m_animation_frame_callback_driver.remove(id);
@ -911,7 +896,6 @@ WebIDL::ExceptionOr<void> Window::initialize_web_interfaces(Badge<WindowEnvironm
define_native_function(realm, "setTimeout", set_timeout, 1, attr);
define_native_function(realm, "clearInterval", clear_interval, 1, attr);
define_native_function(realm, "clearTimeout", clear_timeout, 1, attr);
define_native_function(realm, "requestAnimationFrame", request_animation_frame, 1, attr);
define_native_function(realm, "cancelAnimationFrame", cancel_animation_frame, 1, attr);
define_native_function(realm, "queueMicrotask", queue_microtask, 1, attr);
@ -1434,6 +1418,19 @@ double Window::device_pixel_ratio() const
return 1;
}
// https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#dom-animationframeprovider-requestanimationframe
i32 Window::request_animation_frame(WebIDL::CallbackType& callback)
{
// FIXME: Make this fully spec compliant. Currently implements a mix of 'requestAnimationFrame()' and 'run the animation frame callbacks'.
auto now = HighResolutionTime::unsafe_shared_current_time();
return m_animation_frame_callback_driver.add([this, now, callback = JS::make_handle(callback)](auto) {
// 3. Invoke callback, passing now as the only argument, and if an exception is thrown, report the exception.
auto result = WebIDL::invoke_callback(*callback, {}, JS::Value(now));
if (result.is_error())
HTML::report_exception(result, realm());
});
}
// https://w3c.github.io/requestidlecallback/#dom-window-requestidlecallback
u32 Window::request_idle_callback(WebIDL::CallbackType& callback, RequestIdleCallback::IdleRequestOptions const& options)
{
@ -1578,18 +1575,6 @@ JS_DEFINE_NATIVE_FUNCTION(Window::clear_interval)
return JS::js_undefined();
}
JS_DEFINE_NATIVE_FUNCTION(Window::request_animation_frame)
{
auto* impl = TRY(impl_from(vm));
if (!vm.argument_count())
return vm.throw_completion<JS::TypeError>(JS::ErrorType::BadArgCountOne, "requestAnimationFrame");
auto* callback_object = TRY(vm.argument(0).to_object(vm));
if (!callback_object->is_function())
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAFunctionNoParam);
auto callback = vm.heap().allocate_without_realm<WebIDL::CallbackType>(*callback_object, HTML::incumbent_settings_object());
return JS::Value(impl->request_animation_frame_impl(*callback));
}
JS_DEFINE_NATIVE_FUNCTION(Window::cancel_animation_frame)
{
auto* impl = TRY(impl_from(vm));