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Yorke Lee598dac52013-11-01 11:30:55 -07001/*
2 * Copyright (C) 2013 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
17package com.android.phone;
18
19import android.app.Activity;
20import android.app.Dialog;
Srikanth Chintala3cdd9022015-09-03 14:12:55 +053021import android.content.Intent;
Yorke Lee598dac52013-11-01 11:30:55 -070022import android.os.AsyncResult;
23import android.os.Bundle;
24import android.os.Handler;
25import android.os.Message;
Srikanth Chintala3cdd9022015-09-03 14:12:55 +053026import android.telephony.SubscriptionManager;
Yorke Lee598dac52013-11-01 11:30:55 -070027import android.util.Log;
28import android.widget.Toast;
29
30import com.android.internal.telephony.CallManager;
31import com.android.internal.telephony.MmiCode;
32import com.android.internal.telephony.Phone;
33import com.android.internal.telephony.PhoneConstants;
34
35import java.util.List;
36
37/**
38 * Used to display a dialog from within the Telephony service when running an USSD code
39 */
40public class MMIDialogActivity extends Activity {
41 private static final String TAG = MMIDialogActivity.class.getSimpleName();
42
43 private Dialog mMMIDialog;
44
45 private Handler mHandler;
46
47 private CallManager mCM = PhoneGlobals.getInstance().getCallManager();
Srikanth Chintala3cdd9022015-09-03 14:12:55 +053048 private Phone mPhone;
Yorke Lee598dac52013-11-01 11:30:55 -070049
50
51 @Override
52 protected void onCreate(Bundle savedInstanceState) {
53 super.onCreate(savedInstanceState);
Srikanth Chintala3cdd9022015-09-03 14:12:55 +053054 Intent intent = getIntent();
55 int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY,
56 SubscriptionManager.DEFAULT_SUBSCRIPTION_ID);
57 mPhone = PhoneGlobals.getPhone(subId);
Yorke Lee598dac52013-11-01 11:30:55 -070058 mHandler = new Handler() {
59 @Override
60 public void handleMessage(Message msg) {
61 switch (msg.what) {
62 case PhoneGlobals.MMI_COMPLETE:
63 onMMIComplete((MmiCode) ((AsyncResult) msg.obj).result);
64 break;
65 case PhoneGlobals.MMI_CANCEL:
66 onMMICancel();
67 break;
68 }
69 }
70 };
71 mCM.registerForMmiComplete(mHandler, PhoneGlobals.MMI_COMPLETE, null);
Yorke Lee598dac52013-11-01 11:30:55 -070072 showMMIDialog();
73 }
74
Luo, Honggang X399d1e92015-03-03 11:04:28 +010075 @Override
76 protected void onDestroy() {
77 super.onDestroy();
78
79 if (mMMIDialog != null) {
80 mMMIDialog.dismiss();
81 mMMIDialog = null;
82 }
83 if (mHandler != null) {
84 mCM.unregisterForMmiComplete(mHandler);
85 mHandler = null;
86 }
87 }
88
Yorke Lee598dac52013-11-01 11:30:55 -070089 private void showMMIDialog() {
90 final List<? extends MmiCode> codes = mPhone.getPendingMmiCodes();
91 if (codes.size() > 0) {
92 final MmiCode mmiCode = codes.get(0);
93 final Message message = Message.obtain(mHandler, PhoneGlobals.MMI_CANCEL);
94 mMMIDialog = PhoneUtils.displayMMIInitiate(this, mmiCode, message, mMMIDialog);
95 } else {
96 finish();
97 }
98 }
99
100 /**
101 * Handles an MMI_COMPLETE event, which is triggered by telephony
102 */
103 private void onMMIComplete(MmiCode mmiCode) {
104 // Check the code to see if the request is ready to
105 // finish, this includes any MMI state that is not
106 // PENDING.
107
108 // if phone is a CDMA phone display feature code completed message
109 int phoneType = mPhone.getPhoneType();
110 if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) {
111 PhoneUtils.displayMMIComplete(mPhone, this, mmiCode, null, null);
112 } else if (phoneType == PhoneConstants.PHONE_TYPE_GSM) {
113 if (mmiCode.getState() != MmiCode.State.PENDING) {
114 Log.d(TAG, "Got MMI_COMPLETE, finishing dialog activity...");
115 dismissDialogsAndFinish();
116 }
117 }
118 }
119
120 /**
121 * Handles an MMI_CANCEL event, which is triggered by the button
122 * (labeled either "OK" or "Cancel") on the "MMI Started" dialog.
123 * @see PhoneUtils#cancelMmiCode(Phone)
124 */
125 private void onMMICancel() {
126 Log.v(TAG, "onMMICancel()...");
127
128 // First of all, cancel the outstanding MMI code (if possible.)
129 PhoneUtils.cancelMmiCode(mPhone);
130
131 // Regardless of whether the current MMI code was cancelable, the
132 // PhoneApp will get an MMI_COMPLETE event very soon, which will
133 // take us to the MMI Complete dialog (see
134 // PhoneUtils.displayMMIComplete().)
135 //
136 // But until that event comes in, we *don't* want to stay here on
137 // the in-call screen, since we'll be visible in a
138 // partially-constructed state as soon as the "MMI Started" dialog
139 // gets dismissed. So let's forcibly bail out right now.
140 Log.d(TAG, "onMMICancel: finishing InCallScreen...");
141 dismissDialogsAndFinish();
142 }
143
144 private void dismissDialogsAndFinish() {
145 if (mMMIDialog != null) {
146 mMMIDialog.dismiss();
Luo, Honggang X399d1e92015-03-03 11:04:28 +0100147 mMMIDialog = null;
Yorke Lee598dac52013-11-01 11:30:55 -0700148 }
149 if (mHandler != null) {
150 mCM.unregisterForMmiComplete(mHandler);
Luo, Honggang X399d1e92015-03-03 11:04:28 +0100151 mHandler = null;
Yorke Lee598dac52013-11-01 11:30:55 -0700152 }
153 finish();
154 }
155}