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 */ 14package androidx.leanback.widget; 15 16import android.content.Context; 17import android.view.LayoutInflater; 18import android.view.View; 19import android.view.ViewGroup; 20import android.widget.ImageView; 21 22import androidx.leanback.R; 23 24/** 25 * The presenter displaying a custom action in {@link AbstractMediaItemPresenter}. 26 * This is the default presenter for actions in media rows if no action presenter is provided by the 27 * user. 28 * 29 * Binds to items of type {@link MultiActionsProvider.MultiAction}. 30 */ 31class MediaItemActionPresenter extends Presenter { 32 33 MediaItemActionPresenter() { 34 } 35 36 static class ViewHolder extends Presenter.ViewHolder { 37 final ImageView mIcon; 38 39 public ViewHolder(View view) { 40 super(view); 41 mIcon = (ImageView) view.findViewById(R.id.actionIcon); 42 } 43 44 public ImageView getIcon() { 45 return mIcon; 46 } 47 } 48 49 @Override 50 public Presenter.ViewHolder onCreateViewHolder(ViewGroup parent) { 51 Context context = parent.getContext(); 52 View actionView = LayoutInflater.from(context) 53 .inflate(R.layout.lb_row_media_item_action, parent, false); 54 return new ViewHolder(actionView); 55 } 56 57 @Override 58 public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) { 59 ViewHolder actionViewHolder = (ViewHolder) viewHolder; 60 MultiActionsProvider.MultiAction action = (MultiActionsProvider.MultiAction) item; 61 actionViewHolder.getIcon().setImageDrawable(action.getCurrentDrawable()); 62 } 63 64 @Override 65 public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) { 66 } 67} 68