114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
#define EFL_EO_API_SUPPORT 1
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#define EFL_BETA_API_SUPPORT 1
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#include <Eina.h>
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#include <Efl_Core.h>
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#include <stdlib.h>
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Eo *_root, *_child1, *_child2;
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Eo *_root_ref, *_child1_ref, *_child2_ref;
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// Retrieves the name of an object's parent, handling special cases like not
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// having any parent, or the object having been already destroyed.
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static const char*
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_parent_name_get(Eo *obj)
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{
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// Object has been destroyed
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if (efl_ref_count(obj) == 0) return "-";
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// Object has no parent
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if (efl_parent_get(obj) == NULL) return "none";
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// Otherwise, return parent's name
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return efl_name_get(efl_parent_get(obj));
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}
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// Prints status of all our objects in a pretty table
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static void
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_status_print()
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{
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printf("Object: %6s %6s %6s\n", "ROOT", "CHILD1", "CHILD2");
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printf("Refcount: %6d %6d %6d\n",
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efl_ref_count(_root_ref),
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efl_ref_count(_child1_ref),
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efl_ref_count(_child2_ref));
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printf("Parent: %6s %6s %6s\n\n",
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_parent_name_get(_root_ref),
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_parent_name_get(_child1_ref),
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_parent_name_get(_child2_ref));
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}
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// Gets called whenever an object is deleted
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static void
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_obj_del_cb(void *data EINA_UNUSED, const Efl_Event *event)
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{
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Eo *obj = event->object;
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printf("Object named \"%s\" is about to be deleted\n", efl_name_get(obj));
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_status_print();
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}
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// Create our test hierarchy
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static void
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_obj_create()
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{
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// First create a root element
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_root = efl_new(EFL_MODEL_ITEM_CLASS,
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efl_name_set(efl_added, "Root"));
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// Add a weak reference so we can keep track of its state
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efl_wref_add(_root, &_root_ref);
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// Register a callback for DELETION events
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efl_event_callback_add(_root, EFL_EVENT_DEL, _obj_del_cb, NULL);
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// Create the first child element
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_child1 = efl_add(EFL_MODEL_ITEM_CLASS, _root,
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efl_name_set(efl_added, "Child1"));
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// Add a weak reference so we can keep track of its state
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efl_wref_add(_child1, &_child1_ref);
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// Register a callback for DELETION events
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efl_event_callback_add(_child1, EFL_EVENT_DEL, _obj_del_cb, NULL);
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// Create the second child element, this time, with an extra reference
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_child2 = efl_add_ref(EFL_MODEL_ITEM_CLASS, _root,
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efl_name_set(efl_added, "Child2"));
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// Add a weak reference so we can keep track of its state
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efl_wref_add(_child2, &_child2_ref);
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// Register a callback for DELETION events
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efl_event_callback_add(_child2, EFL_EVENT_DEL, _obj_del_cb, NULL);
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}
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// Destroy the test hierarchy
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static void
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_obj_destroy()
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{
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// Destroy the root element
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printf ("Deleting Root...\n");
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efl_unref(_root);
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printf ("After deleting Root:\n");
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_status_print();
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// Destroy the child2 element, for which we were keeping an extra reference
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printf ("Deleting Child2...\n");
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efl_unref(_child2);
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}
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EAPI_MAIN void
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efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
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{
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// Create all objects
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_obj_create();
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printf ("Initial state:\n");
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_status_print();
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// Destroy all objects
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_obj_destroy();
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printf ("Final state:\n");
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_status_print();
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// Exit
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efl_exit(0);
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}
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EFL_MAIN()
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