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 17package com.google.android.leanbackjank.presenter; 18 19import android.net.Uri; 20import android.support.v17.leanback.widget.ImageCardView; 21import android.support.v17.leanback.widget.Presenter; 22import android.support.v4.content.res.ResourcesCompat; 23import android.view.ViewGroup; 24 25import com.bumptech.glide.Glide; 26import com.bumptech.glide.load.resource.drawable.GlideDrawable; 27import com.bumptech.glide.request.RequestListener; 28import com.bumptech.glide.request.target.Target; 29import com.google.android.leanbackjank.R; 30import com.google.android.leanbackjank.model.VideoInfo; 31 32public class CardPresenter extends Presenter { 33 private int mSelectedBackgroundColor = -1; 34 private int mDefaultBackgroundColor = -1; 35 private int mCardWidth; 36 private int mCardHeight; 37 38 public CardPresenter(int width, int height) { 39 mCardWidth = width; 40 mCardHeight = height; 41 } 42 43 @Override 44 public ViewHolder onCreateViewHolder(ViewGroup parent) { 45 mDefaultBackgroundColor = 46 ResourcesCompat.getColor(parent.getResources(), R.color.jank_blue, null); 47 mSelectedBackgroundColor = 48 ResourcesCompat.getColor(parent.getResources(), R.color.jank_red, 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 ? mSelectedBackgroundColor : mDefaultBackgroundColor); 55 super.setSelected(selected); 56 } 57 }; 58 59 cardView.setFocusable(true); 60 cardView.setFocusableInTouchMode(true); 61 return new ViewHolder(cardView); 62 } 63 64 @Override 65 public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) { 66 VideoInfo videoInfo = (VideoInfo) item; 67 68 final ImageCardView cardView = (ImageCardView) viewHolder.view; 69 cardView.setTitleText(videoInfo.getTitle()); 70 cardView.setContentText(videoInfo.getStudio()); 71 cardView.setMainImageDimensions(mCardWidth, mCardHeight); 72 cardView.setBackgroundColor(mDefaultBackgroundColor); 73 74 Glide.with(cardView.getContext()) 75 .load(videoInfo.getImageUri()) 76 .listener(new RequestListener<Uri, GlideDrawable>() { 77 @Override 78 public boolean onException(Exception e, Uri uri, Target<GlideDrawable> target, 79 boolean b) { 80 return false; 81 } 82 83 @Override 84 public boolean onResourceReady(GlideDrawable glideDrawable, Uri uri, 85 Target<GlideDrawable> target, boolean b, boolean b1) { 86 // Remove the background color to reduce overdraw. 87 cardView.setBackground(null); 88 return false; 89 } 90 }) 91 .into(cardView.getMainImageView()); 92 } 93 94 @Override 95 public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) { 96 ImageCardView cardView = (ImageCardView) viewHolder.view; 97 98 // Remove references to images so that the garbage collector can free up memory. 99 cardView.setBadgeImage(null); 100 cardView.setMainImage(null); 101 } 102} 103