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LibGUI: Make event receivers be weak pointers.

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This commit is contained in:
Andreas Kling 2019-02-26 00:51:49 +01:00
parent 9624b54703
commit 95cfa49f1b
4 changed files with 23 additions and 24 deletions
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7
LibGUI/GEventLoop.h
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@ -5,6 +5,7 @@
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#include <AK/WeakPtr.h>
#include <WindowServer/WSAPITypes.h>
class GObject;
@ -18,7 +19,7 @@ public:
int exec();
void post_event(GObject* receiver, OwnPtr<GEvent>&&);
void post_event(GObject& receiver, OwnPtr<GEvent>&&);
static GEventLoop& main();
@ -56,7 +57,7 @@ private:
void get_next_timer_expiration(timeval&);
struct QueuedEvent {
GObject* receiver { nullptr };
WeakPtr<GObject> receiver;
OwnPtr<GEvent> event;
};
Vector<QueuedEvent> m_queued_events;
@ -75,7 +76,7 @@ private:
int interval { 0 };
timeval fire_time;
bool should_reload { false };
GObject* owner { nullptr };
WeakPtr<GObject> owner;
void reload();
bool has_expired() const;