1 /* 2 * Copyright (C) 2017 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.android.car.settings.common; 18 19 import android.annotation.DrawableRes; 20 import android.content.Context; 21 import android.support.v7.widget.RecyclerView; 22 import android.view.LayoutInflater; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import android.widget.ImageView; 26 import android.widget.Switch; 27 import android.widget.TextView; 28 29 import com.android.car.settings.R; 30 31 /** 32 * Contains logic for a line item represents title text, description text and a toggle widget. 33 */ 34 public abstract class IconToggleLineItem 35 extends TypedPagedListAdapter.LineItem<IconToggleLineItem.ViewHolder> { 36 private final Context mContext; 37 private final CharSequence mTitle; 38 protected IconUpdateListener mIconUpdateListener; 39 40 public interface IconUpdateListener { onUpdateIcon(@rawableRes int iconRes)41 void onUpdateIcon(@DrawableRes int iconRes); 42 } 43 44 private final View.OnClickListener mOnClickListener = v -> onClicked(); 45 46 private final Switch.OnCheckedChangeListener mOnCheckedChangeListener = 47 (view, isChecked) -> onToggleClicked(isChecked); 48 IconToggleLineItem(CharSequence title, Context context)49 public IconToggleLineItem(CharSequence title, Context context) { 50 mTitle = title; 51 mContext = context; 52 } 53 getType()54 public int getType() { 55 return ICON_TOGGLE_TYPE; 56 } 57 bindViewHolder(ViewHolder viewHolder)58 public void bindViewHolder(ViewHolder viewHolder) { 59 viewHolder.title.setText(mTitle); 60 viewHolder.summary.setText(getDesc()); 61 viewHolder.toggle.setChecked(isChecked()); 62 viewHolder.onUpdateIcon(getIcon()); 63 viewHolder.itemView.setOnClickListener(mOnClickListener); 64 viewHolder.toggle.setOnCheckedChangeListener(mOnCheckedChangeListener); 65 mIconUpdateListener = viewHolder; 66 } 67 68 static class ViewHolder extends RecyclerView.ViewHolder implements IconUpdateListener { 69 public final ImageView icon; 70 public final TextView title; 71 public final TextView summary; 72 public final Switch toggle; 73 ViewHolder(View itemView)74 public ViewHolder(View itemView) { 75 super(itemView); 76 icon = (ImageView) itemView.findViewById(R.id.icon); 77 title = (TextView) itemView.findViewById(R.id.title); 78 summary = (TextView) itemView.findViewById(R.id.desc); 79 toggle = (Switch) itemView.findViewById(R.id.toggle_switch); 80 toggle.setVisibility(View.VISIBLE); 81 } 82 83 @Override onUpdateIcon(@rawableRes int iconRes)84 public void onUpdateIcon(@DrawableRes int iconRes) { 85 icon.setImageResource(iconRes); 86 } 87 } 88 createViewHolder(ViewGroup parent)89 public static RecyclerView.ViewHolder createViewHolder(ViewGroup parent) { 90 View v = LayoutInflater.from(parent.getContext()) 91 .inflate(R.layout.tile_item, parent, false); 92 return new ViewHolder(v); 93 } 94 95 /** 96 * Called when any part of the line is clicked. 97 * @param isChecked the state of the switch widget at the time of click. 98 */ onToggleClicked(boolean isChecked)99 public abstract void onToggleClicked(boolean isChecked); 100 101 /** 102 * called when anywhere other than the toggle on the line item got clicked. 103 */ onClicked()104 public abstract void onClicked(); 105 isChecked()106 public abstract boolean isChecked(); 107 getIcon()108 public abstract @DrawableRes int getIcon(); 109 } 110