| /* |
| * 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 android.support.v17.leanback.widget; |
| |
| import android.graphics.Outline; |
| import android.support.annotation.RequiresApi; |
| import android.util.SparseArray; |
| import android.view.View; |
| import android.view.ViewOutlineProvider; |
| |
| @RequiresApi(21) |
| class RoundedRectHelperApi21 { |
| |
| private static SparseArray<ViewOutlineProvider> sRoundedRectProvider; |
| private static final int MAX_CACHED_PROVIDER = 32; |
| |
| static final class RoundedRectOutlineProvider extends ViewOutlineProvider { |
| |
| private int mRadius; |
| |
| RoundedRectOutlineProvider(int radius) { |
| mRadius = radius; |
| } |
| |
| @Override |
| public void getOutline(View view, Outline outline) { |
| outline.setRoundRect(0, 0, view.getWidth(), view.getHeight(), mRadius); |
| outline.setAlpha(1f); |
| } |
| }; |
| |
| public static void setClipToRoundedOutline(View view, boolean clip, int roundedCornerRadius) { |
| if (clip) { |
| if (sRoundedRectProvider == null) { |
| sRoundedRectProvider = new SparseArray<ViewOutlineProvider>(); |
| } |
| ViewOutlineProvider provider = sRoundedRectProvider.get(roundedCornerRadius); |
| if (provider == null) { |
| provider = new RoundedRectOutlineProvider(roundedCornerRadius); |
| if (sRoundedRectProvider.size() < MAX_CACHED_PROVIDER) { |
| sRoundedRectProvider.put(roundedCornerRadius, provider); |
| } |
| } |
| view.setOutlineProvider(provider); |
| } else { |
| view.setOutlineProvider(ViewOutlineProvider.BACKGROUND); |
| } |
| view.setClipToOutline(clip); |
| } |
| } |