| /* |
| * Copyright (C) 2014 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.statusbar.policy; |
| |
| import android.view.View; |
| |
| /** |
| * A scroll adapter which can be queried for meta information about the scroll state |
| */ |
| public interface ScrollAdapter { |
| |
| /** |
| * @return Whether the view returned by {@link #getHostView()} is scrolled to the top |
| */ |
| public boolean isScrolledToTop(); |
| |
| /** |
| * @return Whether the view returned by {@link #getHostView()} is scrolled to the bottom |
| */ |
| public boolean isScrolledToBottom(); |
| |
| /** |
| * @return The view in which the scrolling is performed |
| */ |
| public View getHostView(); |
| } |