Home | History | Annotate | Download | only in widget 
      1 /*
      2  * Copyright (C) 2018 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.settings.widget;
     18 
     19 import android.content.Context;
     20 import android.support.v7.preference.PreferenceViewHolder;
     21 import android.util.AttributeSet;
     22 import android.view.View;
     23 import android.view.View.OnClickListener;
     24 import android.widget.CheckBox;
     25 
     26 import com.android.settings.R;
     27 import com.android.settingslib.TwoTargetPreference;
     28 
     29 /**
     30  * A custom preference that provides inline checkbox. It has a mandatory field for title, and
     31  * optional fields for icon and sub-text.
     32  */
     33 public class MasterCheckBoxPreference extends TwoTargetPreference {
     34 
     35     private CheckBox mCheckBox;
     36     private boolean mChecked;
     37     private boolean mEnableCheckBox = true;
     38 
     39     public MasterCheckBoxPreference(Context context, AttributeSet attrs,
     40             int defStyleAttr, int defStyleRes) {
     41         super(context, attrs, defStyleAttr, defStyleRes);
     42     }
     43 
     44     public MasterCheckBoxPreference(Context context, AttributeSet attrs, int defStyleAttr) {
     45         super(context, attrs, defStyleAttr);
     46     }
     47 
     48     public MasterCheckBoxPreference(Context context, AttributeSet attrs) {
     49         super(context, attrs);
     50     }
     51 
     52     public MasterCheckBoxPreference(Context context) {
     53         super(context);
     54     }
     55 
     56     @Override
     57     protected int getSecondTargetResId() {
     58         return R.layout.preference_widget_master_checkbox;
     59     }
     60 
     61     @Override
     62     public void onBindViewHolder(PreferenceViewHolder holder) {
     63         super.onBindViewHolder(holder);
     64         final View widgetView = holder.findViewById(android.R.id.widget_frame);
     65         if (widgetView != null) {
     66             widgetView.setOnClickListener(new OnClickListener() {
     67                 @Override
     68                 public void onClick(View v) {
     69                     if (mCheckBox != null && !mCheckBox.isEnabled()) {
     70                         return;
     71                     }
     72                     setChecked(!mChecked);
     73                     if (!callChangeListener(mChecked)) {
     74                         setChecked(!mChecked);
     75                     } else {
     76                         persistBoolean(mChecked);
     77                     }
     78                 }
     79             });
     80         }
     81 
     82         mCheckBox = (CheckBox) holder.findViewById(R.id.checkboxWidget);
     83         if (mCheckBox != null) {
     84             mCheckBox.setContentDescription(getTitle());
     85             mCheckBox.setChecked(mChecked);
     86             mCheckBox.setEnabled(mEnableCheckBox);
     87         }
     88     }
     89 
     90     @Override
     91     public void setEnabled(boolean enabled) {
     92         super.setEnabled(enabled);
     93         setCheckBoxEnabled(enabled);
     94     }
     95 
     96     public boolean isChecked() {
     97         return mCheckBox != null && mChecked;
     98     }
     99 
    100     public void setChecked(boolean checked) {
    101         mChecked = checked;
    102         if (mCheckBox != null) {
    103             mCheckBox.setChecked(checked);
    104         }
    105     }
    106 
    107     public void setCheckBoxEnabled(boolean enabled) {
    108         mEnableCheckBox = enabled;
    109         if (mCheckBox != null) {
    110             mCheckBox.setEnabled(enabled);
    111         }
    112     }
    113 
    114     public CheckBox getCheckBox() {
    115         return mCheckBox;
    116     }
    117 }
    118