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