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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");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.google.android.leanbackjank.presenter;
     18 
     19 import android.net.Uri;
     20 import android.view.ViewGroup;
     21 
     22 import androidx.core.content.res.ResourcesCompat;
     23 import androidx.leanback.widget.ImageCardView;
     24 import androidx.leanback.widget.Presenter;
     25 
     26 import com.bumptech.glide.Glide;
     27 import com.bumptech.glide.load.resource.drawable.GlideDrawable;
     28 import com.bumptech.glide.request.RequestListener;
     29 import com.bumptech.glide.request.target.Target;
     30 import com.google.android.leanbackjank.R;
     31 import com.google.android.leanbackjank.model.VideoInfo;
     32 
     33 public class CardPresenter extends Presenter {
     34     private int mSelectedBackgroundColor = -1;
     35     private int mDefaultBackgroundColor = -1;
     36     private int mCardWidth;
     37     private int mCardHeight;
     38 
     39     public CardPresenter(int width, int height) {
     40         mCardWidth = width;
     41         mCardHeight = height;
     42     }
     43 
     44     @Override
     45     public ViewHolder onCreateViewHolder(ViewGroup parent) {
     46         mDefaultBackgroundColor =
     47                 ResourcesCompat.getColor(parent.getResources(), R.color.jank_blue, null);
     48         mSelectedBackgroundColor =
     49                 ResourcesCompat.getColor(parent.getResources(), R.color.jank_red, null);
     50 
     51         ImageCardView cardView = new ImageCardView(parent.getContext()) {
     52             @Override
     53             public void setSelected(boolean selected) {
     54                 findViewById(R.id.info_field).setBackgroundColor(
     55                         selected ? mSelectedBackgroundColor : mDefaultBackgroundColor);
     56                 super.setSelected(selected);
     57             }
     58         };
     59 
     60         cardView.setFocusable(true);
     61         cardView.setFocusableInTouchMode(true);
     62         return new ViewHolder(cardView);
     63     }
     64 
     65     @Override
     66     public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) {
     67         VideoInfo videoInfo = (VideoInfo) item;
     68 
     69         final ImageCardView cardView = (ImageCardView) viewHolder.view;
     70         cardView.setTitleText(videoInfo.getTitle());
     71         cardView.setContentText(videoInfo.getStudio());
     72         cardView.setMainImageDimensions(mCardWidth, mCardHeight);
     73         cardView.setBackgroundColor(mDefaultBackgroundColor);
     74 
     75         Glide.with(cardView.getContext())
     76                 .load(videoInfo.getImageUri())
     77                 .listener(new RequestListener<Uri, GlideDrawable>() {
     78                     @Override
     79                     public boolean onException(Exception e, Uri uri, Target<GlideDrawable> target,
     80                             boolean b) {
     81                         return false;
     82                     }
     83 
     84                     @Override
     85                     public boolean onResourceReady(GlideDrawable glideDrawable, Uri uri,
     86                             Target<GlideDrawable> target, boolean b, boolean b1) {
     87                         // Remove the background color to reduce overdraw.
     88                         cardView.setBackground(null);
     89                         return false;
     90                     }
     91                 })
     92                 .into(cardView.getMainImageView());
     93     }
     94 
     95     @Override
     96     public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) {
     97         ImageCardView cardView = (ImageCardView) viewHolder.view;
     98 
     99         // Remove references to images so that the garbage collector can free up memory.
    100         cardView.setBadgeImage(null);
    101         cardView.setMainImage(null);
    102     }
    103 }
    104