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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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14
Userland/Libraries/LibCore/EventLoop.h
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@ -11,9 +11,12 @@
#include <AK/HashMap.h>
#include <AK/Noncopyable.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Time.h>
#include <AK/Vector.h>
#include <AK/WeakPtr.h>
#include <LibCore/DeferredInvocationContext.h>
#include <LibCore/Event.h>
#include <LibCore/Forward.h>
#include <sys/time.h>
#include <sys/types.h>
@ -76,6 +79,12 @@ public:
static bool has_been_instantiated();
void deferred_invoke(Function<void()> invokee)
{
auto context = DeferredInvocationContext::construct();
post_event(context, make<Core::DeferredInvocationEvent>(context, move(invokee)));
}
private:
void wait_for_event(WaitMode);
Optional<Time> get_next_timer_expiration();
@ -106,4 +115,9 @@ private:
NonnullOwnPtr<Private> m_private;
};
inline void deferred_invoke(Function<void()> invokee)
{
EventLoop::current().deferred_invoke(move(invokee));
}
}