| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.car.apps.common; |
| |
| import androidx.annotation.Nullable; |
| |
| /** |
| * Provides methods for interacting with a control bar that can be expanded or collapsed |
| */ |
| public interface ExpandableControlBar extends CarControlBar { |
| |
| /** |
| * Callback for when the control bar is expanded or collapsed. This is called before the |
| * ControlBar begins animating. |
| */ |
| interface ExpandCollapseCallback { |
| void onExpandCollapse(boolean expanding); |
| } |
| |
| /** |
| * Register a listener for expand/collapse. Callback can be unregistered by passing null. |
| */ |
| void registerExpandCollapseCallback(@Nullable ExpandCollapseCallback callback); |
| |
| /** |
| * Collapses the control bar. |
| */ |
| void close(); |
| } |