| /* |
| * Copyright (C) 2016 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 android.support.transition; |
| |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.RequiresApi; |
| |
| @RequiresApi(14) |
| interface ViewOverlayImpl { |
| |
| /** |
| * Adds a Drawable to the overlay. The bounds of the drawable should be relative to |
| * the host view. Any drawable added to the overlay should be removed when it is no longer |
| * needed or no longer visible. |
| * |
| * @param drawable The Drawable to be added to the overlay. This drawable will be |
| * drawn when the view redraws its overlay. |
| * @see #remove(Drawable) |
| */ |
| void add(@NonNull Drawable drawable); |
| |
| /** |
| * Removes all content from the overlay. |
| */ |
| void clear(); |
| |
| /** |
| * Removes the specified Drawable from the overlay. |
| * |
| * @param drawable The Drawable to be removed from the overlay. |
| * @see #add(Drawable) |
| */ |
| void remove(@NonNull Drawable drawable); |
| |
| } |