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namespace Dino {
private const string CHECK_WIDGET_LEAK_ID = "dino_check_widget_leak_id";
private const string CHECK_WIDGET_LEAK_NAME = "dino_check_widget_leak_name";
private const string CHECK_WIDGET_LEAK_ACTIVE = "dino_check_widget_leak_active";
private static void check_widget_leak_timeout_reached(Gtk.Widget widget) {
string name = widget.get_data(CHECK_WIDGET_LEAK_NAME) ?? widget.get_type().name();
warning("%s likely leaked", name);
widget.set_data(CHECK_WIDGET_LEAK_ID, 0);
}
private static void check_widget_leak_disposed(Object widget) {
uint timeout_id = widget.get_data(CHECK_WIDGET_LEAK_ID);
if (timeout_id != 0) Source.remove(timeout_id);
widget.set_data(CHECK_WIDGET_LEAK_ID, 0);
}
private static void check_widget_leak_unrealized(Gtk.Widget widget) {
widget.set_data(CHECK_WIDGET_LEAK_ID, WeakTimeout.add_seconds_once(1, widget, check_widget_leak_timeout_reached));
widget.weak_ref(check_widget_leak_disposed);
}
private static void check_widget_leak_realized(Gtk.Widget widget) {
uint timeout_id = widget.get_data(CHECK_WIDGET_LEAK_ID);
if (timeout_id != 0) Source.remove(timeout_id);
widget.set_data(CHECK_WIDGET_LEAK_ID, 0);
string name = widget.get_type().name();
Gtk.Widget parent = widget.parent;
while (parent != null) {
name = parent.get_type().name() + " > " + name;
if (name.has_prefix("Dino")) break;
parent = parent.parent;
}
widget.set_data(CHECK_WIDGET_LEAK_NAME, name);
}
public static Gtk.Widget check_widget_leak(Gtk.Widget widget) {
if (is_leak_check_enabled() && !widget.get_data<bool>(CHECK_WIDGET_LEAK_ACTIVE)) {
widget.set_data(CHECK_WIDGET_LEAK_ACTIVE, true);
widget.set_data(CHECK_WIDGET_LEAK_ID, 0);
widget.realize.connect(check_widget_leak_realized);
widget.unrealize.connect(check_widget_leak_unrealized);
if (widget.get_realized()) {
check_widget_leak_realized(widget);
}
}
return widget;
}
public static bool is_leak_check_enabled() {
return Environment.get_variable("DINO_CHECK_LEAK") == "1";
}
}
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