1 /*
2  * Copyright (C) 2016 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.incallui.answer.impl;
18 
19 import android.app.AlertDialog;
20 import android.app.Dialog;
21 import android.content.DialogInterface;
22 import android.content.DialogInterface.OnCancelListener;
23 import android.content.DialogInterface.OnShowListener;
24 import android.os.Bundle;
25 import android.support.annotation.NonNull;
26 import android.support.v7.app.AppCompatDialogFragment;
27 import android.text.Editable;
28 import android.text.TextWatcher;
29 import android.view.View;
30 import android.view.WindowManager.LayoutParams;
31 import android.widget.Button;
32 import android.widget.EditText;
33 import com.android.dialer.common.FragmentUtils;
34 
35 /**
36  * Shows the dialog for users to enter a custom message when rejecting a call with an SMS message.
37  */
38 public class CreateCustomSmsDialogFragment extends AppCompatDialogFragment {
39 
40   private static final String ARG_ENTERED_TEXT = "enteredText";
41 
42   private EditText editText;
43 
newInstance()44   public static CreateCustomSmsDialogFragment newInstance() {
45     return new CreateCustomSmsDialogFragment();
46   }
47 
48   @NonNull
49   @Override
onCreateDialog(Bundle savedInstanceState)50   public Dialog onCreateDialog(Bundle savedInstanceState) {
51     super.onCreateDialog(savedInstanceState);
52     AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
53     View view = View.inflate(builder.getContext(), R.layout.fragment_custom_sms_dialog, null);
54     editText = (EditText) view.findViewById(R.id.custom_sms_input);
55     if (savedInstanceState != null) {
56       editText.setText(savedInstanceState.getCharSequence(ARG_ENTERED_TEXT));
57     }
58     builder
59         .setCancelable(true)
60         .setView(view)
61         .setPositiveButton(
62             R.string.call_incoming_custom_message_send,
63             new DialogInterface.OnClickListener() {
64               @Override
65               public void onClick(DialogInterface dialogInterface, int i) {
66                 FragmentUtils.getParentUnsafe(
67                         CreateCustomSmsDialogFragment.this, CreateCustomSmsHolder.class)
68                     .customSmsCreated(editText.getText().toString().trim());
69                 dismiss();
70               }
71             })
72         .setNegativeButton(
73             R.string.call_incoming_custom_message_cancel,
74             new DialogInterface.OnClickListener() {
75               @Override
76               public void onClick(DialogInterface dialogInterface, int i) {
77                 dismiss();
78               }
79             })
80         .setOnCancelListener(
81             new OnCancelListener() {
82               @Override
83               public void onCancel(DialogInterface dialogInterface) {
84                 dismiss();
85               }
86             })
87         .setTitle(R.string.call_incoming_respond_via_sms_custom_message);
88     final AlertDialog customMessagePopup = builder.create();
89     customMessagePopup.setOnShowListener(
90         new OnShowListener() {
91           @Override
92           public void onShow(DialogInterface dialogInterface) {
93             ((AlertDialog) dialogInterface)
94                 .getButton(AlertDialog.BUTTON_POSITIVE)
95                 .setEnabled(false);
96           }
97         });
98 
99     editText.addTextChangedListener(
100         new TextWatcher() {
101           @Override
102           public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
103 
104           @Override
105           public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
106 
107           @Override
108           public void afterTextChanged(Editable editable) {
109             Button sendButton = customMessagePopup.getButton(DialogInterface.BUTTON_POSITIVE);
110             sendButton.setEnabled(editable != null && editable.toString().trim().length() != 0);
111           }
112         });
113     customMessagePopup.getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
114     customMessagePopup.getWindow().addFlags(LayoutParams.FLAG_SHOW_WHEN_LOCKED);
115     return customMessagePopup;
116   }
117 
118   @Override
onSaveInstanceState(@onNull Bundle outState)119   public void onSaveInstanceState(@NonNull Bundle outState) {
120     super.onSaveInstanceState(outState);
121     outState.putCharSequence(ARG_ENTERED_TEXT, editText.getText());
122   }
123 
124   @Override
onDismiss(DialogInterface dialogInterface)125   public void onDismiss(DialogInterface dialogInterface) {
126     super.onDismiss(dialogInterface);
127     FragmentUtils.getParentUnsafe(this, CreateCustomSmsHolder.class).customSmsDismissed();
128   }
129 
130   /** Call back for {@link CreateCustomSmsDialogFragment} */
131   public interface CreateCustomSmsHolder {
132 
customSmsCreated(@onNull CharSequence text)133     void customSmsCreated(@NonNull CharSequence text);
134 
customSmsDismissed()135     void customSmsDismissed();
136   }
137 }
138