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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      5  * in compliance with the License. You may obtain a copy of the License at
      6  *
      7  * http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the License
     10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     11  * or implied. See the License for the specific language governing permissions and limitations under
     12  * the License.
     13  */
     14 package androidx.leanback.widget;
     15 
     16 import android.content.Context;
     17 import android.graphics.Canvas;
     18 import android.graphics.Paint;
     19 import android.graphics.RectF;
     20 import android.util.AttributeSet;
     21 import android.view.View;
     22 
     23 import androidx.annotation.RestrictTo;
     24 import androidx.leanback.R;
     25 
     26 /**
     27  * Creates a view for a media item row in a playlist
     28  * @hide
     29  */
     30 @RestrictTo(RestrictTo.Scope.LIBRARY)
     31 class MediaRowFocusView extends View {
     32 
     33     private final Paint mPaint;
     34     private final RectF mRoundRectF = new RectF();
     35     private int mRoundRectRadius;
     36 
     37     public MediaRowFocusView(Context context) {
     38         super(context);
     39         mPaint = createPaint(context);
     40     }
     41 
     42     public MediaRowFocusView(Context context, AttributeSet attrs) {
     43         super(context, attrs);
     44         mPaint = createPaint(context);
     45     }
     46 
     47     public MediaRowFocusView(Context context, AttributeSet attrs, int defStyleAttr) {
     48         super(context, attrs, defStyleAttr);
     49         mPaint = createPaint(context);
     50     }
     51 
     52     @Override
     53     protected void onDraw(Canvas canvas) {
     54         super.onDraw(canvas);
     55         mRoundRectRadius = getHeight() / 2;
     56         int drawHeight = 2 * mRoundRectRadius;
     57         int drawOffset = (drawHeight - getHeight()) / 2;
     58         mRoundRectF.set(0, -drawOffset, getWidth(), getHeight() + drawOffset);
     59         canvas.drawRoundRect(mRoundRectF, mRoundRectRadius, mRoundRectRadius, mPaint);
     60     }
     61 
     62     private Paint createPaint(Context context) {
     63         Paint paint = new Paint();
     64         paint.setColor(context.getResources().getColor(
     65                 R.color.lb_playback_media_row_highlight_color));
     66         return paint;
     67     }
     68 
     69     public int getRoundRectRadius() {
     70         return mRoundRectRadius;
     71     }
     72 }