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CObject: Put all CObjects on a global IntrusiveList for introspection

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This will allow us to easily traverse the entire CObject graph.
This commit is contained in:
Andreas Kling 2019-08-17 11:26:19 +02:00
parent e3f3c980bf
commit 2fa2d72761
2 changed files with 14 additions and 1 deletions
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8
Libraries/LibCore/CObject.cpp
View file

@ -5,16 +5,24 @@
#include <LibCore/CObject.h> #include <LibCore/CObject.h>
#include <stdio.h> #include <stdio.h>
IntrusiveList<CObject, &CObject::m_all_objects_list_node>& CObject::all_objects()
{
static IntrusiveList<CObject, &CObject::m_all_objects_list_node> objects;
return objects;
}
CObject::CObject(CObject* parent, bool is_widget) CObject::CObject(CObject* parent, bool is_widget)
: m_parent(parent) : m_parent(parent)
, m_widget(is_widget) , m_widget(is_widget)
{ {
all_objects().append(*this);
if (m_parent) if (m_parent)
m_parent->add_child(*this); m_parent->add_child(*this);
} }
CObject::~CObject() CObject::~CObject()
{ {
all_objects().remove(*this);
stop_timer(); stop_timer();
if (m_parent) if (m_parent)
m_parent->remove_child(*this); m_parent->remove_child(*this);

7
Libraries/LibCore/CObject.h
View file

@ -2,6 +2,7 @@
#include <AK/AKString.h> #include <AK/AKString.h>
#include <AK/Function.h> #include <AK/Function.h>
#include <AK/IntrusiveList.h>
#include <AK/StdLibExtras.h> #include <AK/StdLibExtras.h>
#include <AK/Vector.h> #include <AK/Vector.h>
#include <AK/Weakable.h> #include <AK/Weakable.h>
@ -18,6 +19,8 @@ public: \
class CObject : public Weakable<CObject> { class CObject : public Weakable<CObject> {
// NOTE: No C_OBJECT macro for CObject itself. // NOTE: No C_OBJECT macro for CObject itself.
public: public:
IntrusiveListNode m_all_objects_list_node;
virtual ~CObject(); virtual ~CObject();
virtual const char* class_name() const = 0; virtual const char* class_name() const = 0;
@ -60,8 +63,10 @@ public:
bool is_widget() const { return m_widget; } bool is_widget() const { return m_widget; }
virtual bool is_window() const { return false; } virtual bool is_window() const { return false; }
static IntrusiveList<CObject, &CObject::m_all_objects_list_node>& all_objects();
protected: protected:
CObject(CObject* parent = nullptr, bool is_widget = false); explicit CObject(CObject* parent = nullptr, bool is_widget = false);
virtual void timer_event(CTimerEvent&); virtual void timer_event(CTimerEvent&);
virtual void custom_event(CCustomEvent&); virtual void custom_event(CCustomEvent&);