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
17package com.android.incallui;
18
19import android.telephony.PhoneNumberUtils;
20import com.android.incallui.DialpadPresenter.DialpadUi;
21import com.android.incallui.baseui.Presenter;
22import com.android.incallui.baseui.Ui;
23import com.android.incallui.call.CallList;
24import com.android.incallui.call.DialerCall;
25import com.android.incallui.call.TelecomAdapter;
26
27/** Logic for call buttons. */
28public class DialpadPresenter extends Presenter<DialpadUi>
29    implements InCallPresenter.InCallStateListener {
30
31  private DialerCall mCall;
32
33  @Override
34  public void onUiReady(DialpadUi ui) {
35    super.onUiReady(ui);
36    InCallPresenter.getInstance().addListener(this);
37    mCall = CallList.getInstance().getOutgoingOrActive();
38  }
39
40  @Override
41  public void onUiUnready(DialpadUi ui) {
42    super.onUiUnready(ui);
43    InCallPresenter.getInstance().removeListener(this);
44  }
45
46  @Override
47  public void onStateChange(
48      InCallPresenter.InCallState oldState,
49      InCallPresenter.InCallState newState,
50      CallList callList) {
51    mCall = callList.getOutgoingOrActive();
52    Log.d(this, "DialpadPresenter mCall = " + mCall);
53  }
54
55  /**
56   * Processes the specified digit as a DTMF key, by playing the appropriate DTMF tone, and
57   * appending the digit to the EditText field that displays the DTMF digits sent so far.
58   */
59  public final void processDtmf(char c) {
60    Log.d(this, "Processing dtmf key " + c);
61    // if it is a valid key, then update the display and send the dtmf tone.
62    if (PhoneNumberUtils.is12Key(c) && mCall != null) {
63      Log.d(this, "updating display and sending dtmf tone for '" + c + "'");
64
65      // Append this key to the "digits" widget.
66      DialpadUi dialpadUi = getUi();
67      if (dialpadUi != null) {
68        dialpadUi.appendDigitsToField(c);
69      }
70      // Plays the tone through Telecom.
71      TelecomAdapter.getInstance().playDtmfTone(mCall.getId(), c);
72    } else {
73      Log.d(this, "ignoring dtmf request for '" + c + "'");
74    }
75  }
76
77  /** Stops the local tone based on the phone type. */
78  public void stopDtmf() {
79    if (mCall != null) {
80      Log.d(this, "stopping remote tone");
81      TelecomAdapter.getInstance().stopDtmfTone(mCall.getId());
82    }
83  }
84
85  public interface DialpadUi extends Ui {
86
87    void setVisible(boolean on);
88
89    void appendDigitsToField(char digit);
90  }
91}
92