1 /*
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 
17 package com.android.incallui;
18 
19 import android.telephony.PhoneNumberUtils;
20 
21 /**
22  * Logic for call buttons.
23  */
24 public class DialpadPresenter extends Presenter<DialpadPresenter.DialpadUi>
25         implements InCallPresenter.InCallStateListener {
26 
27     private Call mCall;
28 
29     @Override
onUiReady(DialpadUi ui)30     public void onUiReady(DialpadUi ui) {
31         super.onUiReady(ui);
32         InCallPresenter.getInstance().addListener(this);
33         mCall = CallList.getInstance().getOutgoingOrActive();
34     }
35 
36     @Override
onUiUnready(DialpadUi ui)37     public void onUiUnready(DialpadUi ui) {
38         super.onUiUnready(ui);
39         InCallPresenter.getInstance().removeListener(this);
40     }
41 
42     @Override
onStateChange(InCallPresenter.InCallState oldState, InCallPresenter.InCallState newState, CallList callList)43     public void onStateChange(InCallPresenter.InCallState oldState,
44             InCallPresenter.InCallState newState, CallList callList) {
45         mCall = callList.getOutgoingOrActive();
46         Log.d(this, "DialpadPresenter mCall = " + mCall);
47     }
48 
49     /**
50      * Processes the specified digit as a DTMF key, by playing the
51      * appropriate DTMF tone, and appending the digit to the EditText
52      * field that displays the DTMF digits sent so far.
53      *
54      */
processDtmf(char c)55     public final void processDtmf(char c) {
56         Log.d(this, "Processing dtmf key " + c);
57         // if it is a valid key, then update the display and send the dtmf tone.
58         if (PhoneNumberUtils.is12Key(c) && mCall != null) {
59             Log.d(this, "updating display and sending dtmf tone for '" + c + "'");
60 
61             // Append this key to the "digits" widget.
62             getUi().appendDigitsToField(c);
63             // Plays the tone through Telecomm.
64             TelecomAdapter.getInstance().playDtmfTone(mCall.getId(), c);
65         } else {
66             Log.d(this, "ignoring dtmf request for '" + c + "'");
67         }
68     }
69 
70     /**
71      * Stops the local tone based on the phone type.
72      */
stopDtmf()73     public void stopDtmf() {
74         if (mCall != null) {
75             Log.d(this, "stopping remote tone");
76             TelecomAdapter.getInstance().stopDtmfTone(mCall.getId());
77         }
78     }
79 
80     public interface DialpadUi extends Ui {
setVisible(boolean on)81         void setVisible(boolean on);
appendDigitsToField(char digit)82         void appendDigitsToField(char digit);
83     }
84 }
85