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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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7
Userland/Libraries/LibCore/Object.cpp
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@ -164,7 +164,12 @@ void Object::dump_tree(int indent)
void Object::deferred_invoke(Function<void(Object&)> invokee)
{
Core::EventLoop::current().post_event(*this, make<Core::DeferredInvocationEvent>(move(invokee)));
deferred_invoke([invokee = move(invokee), this] { invokee(*this); });
}
void Object::deferred_invoke(Function<void()> invokee)
{
Core::deferred_invoke([invokee = move(invokee), strong_this = NonnullRefPtr(*this)] { invokee(); });
}
void Object::save_to(JsonObject& json)