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 com.android.systemui.statusbar.ExpandableNotificationRow; 20 import com.android.systemui.statusbar.NotificationData; 21 22 /** 23 * A listener to heads up changes 24 */ 25 public interface OnHeadsUpChangedListener { 26 /** 27 * The state whether there exist pinned heads-ups or not changed. 28 * 29 * @param inPinnedMode whether there are any pinned heads-ups 30 */ 31 default void onHeadsUpPinnedModeChanged(boolean inPinnedMode) {} 32 33 /** 34 * A notification was just pinned to the top. 35 */ 36 default void onHeadsUpPinned(ExpandableNotificationRow headsUp) {} 37 38 /** 39 * A notification was just unpinned from the top. 40 */ 41 default void onHeadsUpUnPinned(ExpandableNotificationRow headsUp) {} 42 43 /** 44 * A notification just became a heads up or turned back to its normal state. 45 * 46 * @param entry the entry of the changed notification 47 * @param isHeadsUp whether the notification is now a headsUp notification 48 */ 49 default void onHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp) {} 50 } 51
