1 /* 2 * Copyright (C) 2015 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 android.leanbackjank.app.presenter; 18 19 import android.graphics.drawable.Drawable; 20 import android.net.Uri; 21 import androidx.leanback.widget.ImageCardView; 22 import androidx.leanback.widget.Presenter; 23 import android.view.ViewGroup; 24 25 import com.bumptech.glide.Glide; 26 import com.bumptech.glide.load.resource.drawable.GlideDrawable; 27 import com.bumptech.glide.request.RequestListener; 28 import com.bumptech.glide.request.target.Target; 29 import android.leanbackjank.app.R; 30 import android.leanbackjank.app.model.Movie; 31 32 /** 33 * A CardPresenter is used to generate Views and bind Objects to them on demand. 34 * It contains an Image CardView 35 */ 36 public class CardPresenter extends Presenter { 37 private static int CARD_WIDTH = 560; 38 private static int CARD_HEIGHT = 320; 39 private static int sSelectedBackgroundColor; 40 private static int sDefaultBackgroundColor; 41 private Drawable mDefaultCardImage; 42 43 @Override onCreateViewHolder(ViewGroup parent)44 public ViewHolder onCreateViewHolder(ViewGroup parent) { 45 sDefaultBackgroundColor = parent.getResources().getColor(R.color.default_background, null); 46 sSelectedBackgroundColor = 47 parent.getResources().getColor(R.color.selected_background, null); 48 mDefaultCardImage = parent.getResources().getDrawable(R.drawable.movie, null); 49 50 ImageCardView cardView = new ImageCardView(parent.getContext()) { 51 @Override 52 public void setSelected(boolean selected) { 53 findViewById(R.id.info_field).setBackgroundColor( 54 selected ? sSelectedBackgroundColor : sDefaultBackgroundColor); 55 super.setSelected(selected); 56 } 57 }; 58 59 cardView.setFocusable(true); 60 cardView.setFocusableInTouchMode(true); 61 return new ViewHolder(cardView); 62 } 63 64 @Override onBindViewHolder(Presenter.ViewHolder viewHolder, Object item)65 public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) { 66 Movie movie = (Movie) item; 67 ImageCardView cardView = (ImageCardView) viewHolder.view; 68 69 cardView.setTitleText(movie.getTitle()); 70 cardView.setContentText(movie.getStudio()); 71 cardView.setMainImageDimensions(CARD_WIDTH, CARD_HEIGHT); 72 cardView.setBackgroundColor(sDefaultBackgroundColor); 73 74 Glide.with(viewHolder.view.getContext()) 75 .load(R.drawable.gradation) 76 .centerCrop() 77 .error(mDefaultCardImage) 78 .listener(new RequestListener<Integer, GlideDrawable>() { 79 @Override 80 public boolean onException(Exception e, Integer i, Target<GlideDrawable> target, 81 boolean b) { 82 return false; 83 } 84 85 @Override 86 public boolean onResourceReady(GlideDrawable glideDrawable, Integer i, 87 Target<GlideDrawable> target, boolean b, boolean b1) { 88 // Remove the background color to reduce overdraw. 89 cardView.setBackground(null); 90 return false; 91 } 92 }) 93 .into(cardView.getMainImageView()); 94 } 95 96 @Override onUnbindViewHolder(Presenter.ViewHolder viewHolder)97 public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) { 98 ImageCardView cardView = (ImageCardView) viewHolder.view; 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