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 package com.android.settingslib;
17 
18 import android.app.Dialog;
19 import android.content.Context;
20 import android.content.DialogInterface;
21 import android.os.Bundle;
22 import android.util.AttributeSet;
23 import android.view.View;
24 
25 import androidx.appcompat.app.AlertDialog;
26 import androidx.preference.DialogPreference;
27 import androidx.preference.PreferenceDialogFragmentCompat;
28 
29 public class CustomDialogPreferenceCompat extends DialogPreference {
30 
31     private CustomPreferenceDialogFragment mFragment;
32     private DialogInterface.OnShowListener mOnShowListener;
33 
CustomDialogPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)34     public CustomDialogPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr,
35             int defStyleRes) {
36         super(context, attrs, defStyleAttr, defStyleRes);
37     }
38 
CustomDialogPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr)39     public CustomDialogPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr) {
40         super(context, attrs, defStyleAttr);
41     }
42 
CustomDialogPreferenceCompat(Context context, AttributeSet attrs)43     public CustomDialogPreferenceCompat(Context context, AttributeSet attrs) {
44         super(context, attrs);
45     }
46 
CustomDialogPreferenceCompat(Context context)47     public CustomDialogPreferenceCompat(Context context) {
48         super(context);
49     }
50 
isDialogOpen()51     public boolean isDialogOpen() {
52         return getDialog() != null && getDialog().isShowing();
53     }
54 
getDialog()55     public Dialog getDialog() {
56         return mFragment != null ? mFragment.getDialog() : null;
57     }
58 
setOnShowListener(DialogInterface.OnShowListener listner)59     public void setOnShowListener(DialogInterface.OnShowListener listner) {
60         mOnShowListener = listner;
61     }
62 
onPrepareDialogBuilder(AlertDialog.Builder builder, DialogInterface.OnClickListener listener)63     protected void onPrepareDialogBuilder(AlertDialog.Builder builder,
64             DialogInterface.OnClickListener listener) {
65     }
66 
onDialogClosed(boolean positiveResult)67     protected void onDialogClosed(boolean positiveResult) {
68     }
69 
onClick(DialogInterface dialog, int which)70     protected void onClick(DialogInterface dialog, int which) {
71     }
72 
onBindDialogView(View view)73     protected void onBindDialogView(View view) {
74     }
75 
setFragment(CustomPreferenceDialogFragment fragment)76     private void setFragment(CustomPreferenceDialogFragment fragment) {
77         mFragment = fragment;
78     }
79 
getOnShowListener()80     private DialogInterface.OnShowListener getOnShowListener() {
81         return mOnShowListener;
82     }
83 
84     public static class CustomPreferenceDialogFragment extends PreferenceDialogFragmentCompat {
85 
newInstance(String key)86         public static CustomPreferenceDialogFragment newInstance(String key) {
87             final CustomPreferenceDialogFragment fragment = new CustomPreferenceDialogFragment();
88             final Bundle b = new Bundle(1);
89             b.putString(ARG_KEY, key);
90             fragment.setArguments(b);
91             return fragment;
92         }
93 
getCustomizablePreference()94         private CustomDialogPreferenceCompat getCustomizablePreference() {
95             return (CustomDialogPreferenceCompat) getPreference();
96         }
97 
98         @Override
onPrepareDialogBuilder(AlertDialog.Builder builder)99         protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
100             super.onPrepareDialogBuilder(builder);
101             getCustomizablePreference().setFragment(this);
102             getCustomizablePreference().onPrepareDialogBuilder(builder, this);
103         }
104 
105         @Override
onDialogClosed(boolean positiveResult)106         public void onDialogClosed(boolean positiveResult) {
107             getCustomizablePreference().onDialogClosed(positiveResult);
108         }
109 
110         @Override
onBindDialogView(View view)111         protected void onBindDialogView(View view) {
112             super.onBindDialogView(view);
113             getCustomizablePreference().onBindDialogView(view);
114         }
115 
116         @Override
onCreateDialog(Bundle savedInstanceState)117         public Dialog onCreateDialog(Bundle savedInstanceState) {
118             final Dialog dialog = super.onCreateDialog(savedInstanceState);
119             dialog.setOnShowListener(getCustomizablePreference().getOnShowListener());
120             return dialog;
121         }
122 
123         @Override
onClick(DialogInterface dialog, int which)124         public void onClick(DialogInterface dialog, int which) {
125             super.onClick(dialog, which);
126             getCustomizablePreference().onClick(dialog, which);
127         }
128     }
129 }
130