1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar.policy; 18 19 import android.annotation.NonNull; 20 21 import com.android.systemui.statusbar.notification.collection.NotificationEntry; 22 23 /** 24 * A listener to heads up changes 25 */ 26 public interface OnHeadsUpChangedListener { 27 /** 28 * The state whether there exist pinned heads-ups or not changed. 29 * 30 * @param inPinnedMode whether there are any pinned heads-ups 31 */ onHeadsUpPinnedModeChanged(boolean inPinnedMode)32 default void onHeadsUpPinnedModeChanged(boolean inPinnedMode) {} 33 34 /** 35 * A notification was just pinned to the top. 36 */ onHeadsUpPinned(NotificationEntry entry)37 default void onHeadsUpPinned(NotificationEntry entry) {} 38 39 /** 40 * A notification was just unpinned from the top. 41 */ onHeadsUpUnPinned(NotificationEntry entry)42 default void onHeadsUpUnPinned(NotificationEntry entry) {} 43 44 /** 45 * A notification just became a heads up or turned back to its normal state. 46 * 47 * @param entry the entry of the changed notification 48 * @param isHeadsUp whether the notification is now a headsUp notification 49 */ onHeadsUpStateChanged(@onNull NotificationEntry entry, boolean isHeadsUp)50 default void onHeadsUpStateChanged(@NonNull NotificationEntry entry, boolean isHeadsUp) {} 51 } 52