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 android.support.v17.leanback.widget; 15 16import android.content.Context; 17import android.support.v17.leanback.R; 18import android.view.LayoutInflater; 19import android.view.View; 20import android.view.ViewGroup; 21import android.widget.ImageView; 22 23/** 24 * The presenter displaying a custom action in {@link AbstractMediaItemPresenter}. 25 * This is the default presenter for actions in media rows if no action presenter is provided by the 26 * user. 27 * 28 * Binds to items of type {@link MultiActionsProvider.MultiAction}. 29 */ 30class MediaItemActionPresenter extends Presenter { 31 32 MediaItemActionPresenter() { 33 } 34 35 static class ViewHolder extends Presenter.ViewHolder { 36 final ImageView mIcon; 37 38 public ViewHolder(View view) { 39 super(view); 40 mIcon = (ImageView) view.findViewById(R.id.actionIcon); 41 } 42 43 public ImageView getIcon() { 44 return mIcon; 45 } 46 } 47 48 @Override 49 public Presenter.ViewHolder onCreateViewHolder(ViewGroup parent) { 50 Context context = parent.getContext(); 51 View actionView = LayoutInflater.from(context) 52 .inflate(R.layout.lb_row_media_item_action, parent, false); 53 return new ViewHolder(actionView); 54 } 55 56 @Override 57 public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) { 58 ViewHolder actionViewHolder = (ViewHolder) viewHolder; 59 MultiActionsProvider.MultiAction action = (MultiActionsProvider.MultiAction) item; 60 actionViewHolder.getIcon().setImageDrawable(action.getCurrentDrawable()); 61 } 62 63 @Override 64 public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) { 65 } 66} 67