Selim Cinek | a678b0e | 2019-07-23 13:12:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.phone; |
| 18 | |
| 19 | /** |
| 20 | * Panel and QS expansion callbacks. |
| 21 | */ |
| 22 | public interface PanelExpansionListener { |
| 23 | /** |
| 24 | * Invoked whenever the notification panel expansion changes, at every animation frame. |
| 25 | * This is the main expansion that happens when the user is swiping up to dismiss the |
| 26 | * lock screen. |
| 27 | * |
| 28 | * @param expansion 0 when collapsed, 1 when expanded. |
| 29 | * @param tracking {@code true} when the user is actively dragging the panel. |
| 30 | */ |
| 31 | void onPanelExpansionChanged(float expansion, boolean tracking); |
| 32 | |
| 33 | /** |
| 34 | * Invoked whenever the QS expansion changes, at every animation frame. |
| 35 | * @param expansion 0 when collapsed, 1 when expanded. |
| 36 | */ |
| 37 | default void onQsExpansionChanged(float expansion) {}; |
| 38 | } |