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 package com.android.settings;
17 
18 import android.app.AlertDialog;
19 import android.app.Dialog;
20 import android.content.Context;
21 import android.content.DialogInterface;
22 import android.os.Bundle;
23 import android.support.v14.preference.PreferenceDialogFragment;
24 import android.support.v7.preference.DialogPreference;
25 import android.util.AttributeSet;
26 import android.view.View;
27 
28 public class CustomDialogPreference extends DialogPreference {
29 
30     private CustomPreferenceDialogFragment mFragment;
31 
CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)32     public CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr,
33             int defStyleRes) {
34         super(context, attrs, defStyleAttr, defStyleRes);
35     }
36 
CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr)37     public CustomDialogPreference(Context context, AttributeSet attrs, int defStyleAttr) {
38         super(context, attrs, defStyleAttr);
39     }
40 
CustomDialogPreference(Context context, AttributeSet attrs)41     public CustomDialogPreference(Context context, AttributeSet attrs) {
42         super(context, attrs);
43     }
44 
CustomDialogPreference(Context context)45     public CustomDialogPreference(Context context) {
46         super(context);
47     }
48 
isDialogOpen()49     public boolean isDialogOpen() {
50         return getDialog() != null && getDialog().isShowing();
51     }
52 
getDialog()53     public Dialog getDialog() {
54         return mFragment != null ? mFragment.getDialog() : null;
55     }
56 
onPrepareDialogBuilder(AlertDialog.Builder builder, DialogInterface.OnClickListener listener)57     protected void onPrepareDialogBuilder(AlertDialog.Builder builder,
58             DialogInterface.OnClickListener listener) {
59     }
60 
onDialogClosed(boolean positiveResult)61     protected void onDialogClosed(boolean positiveResult) {
62     }
63 
onClick(DialogInterface dialog, int which)64     protected void onClick(DialogInterface dialog, int which) {
65     }
66 
onBindDialogView(View view)67     protected void onBindDialogView(View view) {
68     }
69 
setFragment(CustomPreferenceDialogFragment fragment)70     private void setFragment(CustomPreferenceDialogFragment fragment) {
71         mFragment = fragment;
72     }
73 
74     public static class CustomPreferenceDialogFragment extends PreferenceDialogFragment {
75 
newInstance(String key)76         public static CustomPreferenceDialogFragment newInstance(String key) {
77             final CustomPreferenceDialogFragment fragment = new CustomPreferenceDialogFragment();
78             final Bundle b = new Bundle(1);
79             b.putString(ARG_KEY, key);
80             fragment.setArguments(b);
81             return fragment;
82         }
83 
getCustomizablePreference()84         private CustomDialogPreference getCustomizablePreference() {
85             return (CustomDialogPreference) getPreference();
86         }
87 
88         @Override
onPrepareDialogBuilder(AlertDialog.Builder builder)89         protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
90             super.onPrepareDialogBuilder(builder);
91             getCustomizablePreference().setFragment(this);
92             getCustomizablePreference().onPrepareDialogBuilder(builder, this);
93         }
94 
95         @Override
onDialogClosed(boolean positiveResult)96         public void onDialogClosed(boolean positiveResult) {
97             getCustomizablePreference().onDialogClosed(positiveResult);
98         }
99 
100         @Override
onBindDialogView(View view)101         protected void onBindDialogView(View view) {
102             super.onBindDialogView(view);
103             getCustomizablePreference().onBindDialogView(view);
104         }
105 
106         @Override
onClick(DialogInterface dialog, int which)107         public void onClick(DialogInterface dialog, int which) {
108             super.onClick(dialog, which);
109             getCustomizablePreference().onClick(dialog, which);
110         }
111     }
112 }
113