| /* |
| * Copyright (C) 2018 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.systemui.dock; |
| |
| /** |
| * Allows an app to handle dock events |
| */ |
| public interface DockManager { |
| |
| /** |
| * Uninitialized / undocking dock states |
| */ |
| int STATE_NONE = 0; |
| /** |
| * The state for docking |
| */ |
| int STATE_DOCKED = 1; |
| /** |
| * The state for docking without showing UI |
| */ |
| int STATE_DOCKED_HIDE = 2; |
| |
| /** |
| * Add a dock event listener into manager |
| * |
| * @param callback A {@link DockEventListener} which want to add |
| */ |
| void addListener(DockEventListener callback); |
| |
| /** |
| * Remove the added listener from dock manager |
| * |
| * @param callback A {@link DockEventListener} which want to remove |
| */ |
| void removeListener(DockEventListener callback); |
| |
| /** |
| * Returns true if the device is in docking state. |
| */ |
| boolean isDocked(); |
| |
| /** |
| * Returns true if it is hiding docking UI. |
| */ |
| boolean isHidden(); |
| |
| /** Callback for receiving dock events */ |
| interface DockEventListener { |
| /** |
| * Override to handle dock events |
| */ |
| void onEvent(int event); |
| } |
| } |