package androidx.leanback.widget;

import android.database.Observable;
import defpackage.ch7;
import defpackage.fu8;

/* JADX INFO: loaded from: classes.dex */
public abstract class bs {
    public final a a = new a();
    public ch7 b;

    public static final class a extends Observable<b> {
        public final void a() {
            for (int size = ((Observable) this).mObservers.size() - 1; size >= 0; size--) {
                ((b) ((Observable) this).mObservers.get(size)).a();
            }
        }

        public final void b(int i, int i2) {
            for (int size = ((Observable) this).mObservers.size() - 1; size >= 0; size--) {
                ((b) ((Observable) this).mObservers.get(size)).b(i, i2);
            }
        }

        public final void c(int i, int i2) {
            for (int size = ((Observable) this).mObservers.size() - 1; size >= 0; size--) {
                ((b) ((Observable) this).mObservers.get(size)).c(i, i2);
            }
        }

        public final void d(int i, int i2) {
            for (int size = ((Observable) this).mObservers.size() - 1; size >= 0; size--) {
                ((b) ((Observable) this).mObservers.get(size)).d(i, i2);
            }
        }
    }

    public static abstract class b {
        public void a() {
        }

        public void b(int i, int i2) {
            a();
        }

        public void c(int i, int i2) {
            a();
        }

        public void d(int i, int i2) {
            a();
        }
    }

    public bs(ch7 ch7Var) {
        f(ch7Var);
    }

    public abstract Object a(int i);

    public final void b() {
        this.a.a();
    }

    public final void c(int i, int i2) {
        this.a.b(i, i2);
    }

    public final void d(int i, int i2) {
        this.a.c(i, i2);
    }

    public final void e(int i, int i2) {
        this.a.d(i, i2);
    }

    public final void f(ch7 ch7Var) {
        if (ch7Var == null) {
            throw new IllegalArgumentException("Presenter selector must not be null");
        }
        boolean z = this.b != null;
        this.b = ch7Var;
        if (z) {
            b();
        }
    }

    public abstract int g();

    public final void h(b bVar) {
        this.a.unregisterObserver(bVar);
    }

    public bs(ci ciVar) {
        f(new fu8(ciVar));
    }

    public bs() {
    }
}