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      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     @Override
     28     public void onUiReady(DialpadUi ui) {
     29         super.onUiReady(ui);
     30     }
     31 
     32     @Override
     33     public void onStateChange(InCallPresenter.InCallState state, CallList callList) {
     34 
     35     }
     36 
     37     /**
     38      * Processes the specified digit as a DTMF key, by playing the
     39      * appropriate DTMF tone, and appending the digit to the EditText
     40      * field that displays the DTMF digits sent so far.
     41      *
     42      * @see #processDtmf(char, boolean)
     43      */
     44     public final void processDtmf(char c) {
     45         processDtmf(c, false);
     46     }
     47 
     48     /**
     49      * Processes the specified digit as a DTMF key, by playing the appropriate
     50      * DTMF tone (or short tone if requested), and appending the digit to the
     51      * EditText field that displays the DTMF digits sent so far.
     52      */
     53     public final void processDtmf(char c, boolean timedShortTone) {
     54         Log.d(this, "Processing dtmf key " + c);
     55         // if it is a valid key, then update the display and send the dtmf tone.
     56         if (PhoneNumberUtils.is12Key(c)) {
     57             Log.d(this, "updating display and sending dtmf tone for '" + c + "'");
     58 
     59             // Append this key to the "digits" widget.
     60             getUi().appendDigitsToField(c);
     61             // Plays the tone through CallCommandService
     62             CallCommandClient.getInstance().playDtmfTone(c, timedShortTone);
     63         } else {
     64             Log.d(this, "ignoring dtmf request for '" + c + "'");
     65         }
     66     }
     67 
     68     /**
     69      * Stops the local tone based on the phone type.
     70      */
     71     public void stopTone() {
     72         Log.d(this, "stopping remote tone");
     73         CallCommandClient.getInstance().stopDtmfTone();
     74     }
     75 
     76     public interface DialpadUi extends Ui {
     77         void setVisible(boolean on);
     78         void appendDigitsToField(char digit);
     79     }
     80 }
     81