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LibCore+Userland: Implement Core::deferred_invoke

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Core::deferred_invoke is a way of executing an action after previously
queued events have been processed. It removes the requirement of
having/being a Core::Object subclass in order to defer invocation
through Core::Object::deferred_invoke.

Core::Object::deferred_invoke now delegates to Core::deferred_invoke.
The version with the Object& argument is still present but will be
removed in the following commits.

This commit additionally fixes a new places where the
DeferredInvocationEvent was dispatched to the event loop directly, and
replaces them with the Core::deferred_invoke equivalent.
This commit is contained in:
sin-ack 2021-08-30 10:43:28 +00:00 • committed by Ali Mohammad Pur
parent ac24842f48
commit e9121f8b1f
9 changed files with 63 additions and 23 deletions
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6
Userland/Libraries/LibThreading/BackgroundAction.h
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@ -66,10 +66,10 @@ private:
enqueue_work([this] {
m_result = m_action(*this);
if (m_on_complete) {
Core::EventLoop::current().post_event(*this, make<Core::DeferredInvocationEvent>([this](auto&) {
deferred_invoke([this] {
m_on_complete(m_result.release_value());
this->remove_from_parent();
}));
remove_from_parent();
});
Core::EventLoop::wake();
} else {
this->remove_from_parent();