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      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 com.android.tv.ui.sidepanel;
     18 
     19 import android.view.View;
     20 import android.widget.CompoundButton;
     21 import android.widget.TextView;
     22 
     23 import com.android.tv.R;
     24 
     25 public abstract class CompoundButtonItem extends Item {
     26     private final String mCheckedTitle;
     27     private final String mUncheckedTitle;
     28     private final String mDescription;
     29     private boolean mChecked;
     30     private TextView mTextView;
     31     private CompoundButton mCompoundButton;
     32 
     33     public CompoundButtonItem(String title, String description) {
     34         this(title, title, description);
     35     }
     36 
     37     public CompoundButtonItem(String checkedTitle, String uncheckedTitle, String description) {
     38         mCheckedTitle = checkedTitle;
     39         mUncheckedTitle = uncheckedTitle;
     40         mDescription = description;
     41     }
     42 
     43     protected abstract int getCompoundButtonId();
     44 
     45     protected int getTitleViewId() {
     46         return R.id.title;
     47     }
     48 
     49     protected int getDescriptionViewId() {
     50         return R.id.description;
     51     }
     52 
     53     @Override
     54     protected void onBind(View view) {
     55         super.onBind(view);
     56         mCompoundButton = (CompoundButton) view.findViewById(getCompoundButtonId());
     57         mTextView = (TextView) view.findViewById(getTitleViewId());
     58         TextView descriptionView = (TextView) view.findViewById(getDescriptionViewId());
     59         if (mDescription != null) {
     60             descriptionView.setVisibility(View.VISIBLE);
     61             descriptionView.setText(mDescription);
     62         } else {
     63             descriptionView.setVisibility(View.GONE);
     64         }
     65     }
     66 
     67     @Override
     68     protected void onUnbind() {
     69         super.onUnbind();
     70         mTextView = null;
     71         mCompoundButton = null;
     72     }
     73 
     74     @Override
     75     protected void onUpdate() {
     76         super.onUpdate();
     77         updateInternal();
     78     }
     79 
     80     public void setChecked(boolean checked) {
     81         if (mChecked != checked) {
     82             mChecked = checked;
     83             updateInternal();
     84         }
     85     }
     86 
     87     public boolean isChecked() {
     88         return mChecked;
     89     }
     90 
     91     private void updateInternal() {
     92         if (isBound()) {
     93             mTextView.setText(mChecked ? mCheckedTitle : mUncheckedTitle);
     94             mCompoundButton.setChecked(mChecked);
     95         }
     96     }
     97 }
     98