Home | History | Annotate | Download | only in ui 
      1 /*
      2  * Copyright (C) 2018 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 package com.android.car.dialer.ui;
     17 
     18 import android.media.AudioManager;
     19 import android.media.ToneGenerator;
     20 import android.os.Bundle;
     21 import android.support.annotation.NonNull;
     22 import android.support.annotation.Nullable;
     23 import android.support.v4.app.Fragment;
     24 import android.util.SparseArray;
     25 import android.util.SparseIntArray;
     26 import android.view.KeyEvent;
     27 import android.view.LayoutInflater;
     28 import android.view.MotionEvent;
     29 import android.view.View;
     30 import android.view.ViewGroup;
     31 
     32 import com.android.car.dialer.R;
     33 import com.android.car.dialer.telecom.UiCallManager;
     34 
     35 /**
     36  * Dialpad Fragment which displays a dialpad.
     37  */
     38 public class DialpadFragment extends Fragment {
     39     private static final SparseIntArray sToneMap = new SparseIntArray();
     40     private static final SparseArray<String> sDialValueMap = new SparseArray<>();
     41     private static final SparseArray<Integer> sRIdMap = new SparseArray<>();
     42 
     43     private static final int TONE_LENGTH_INFINITE = -1;
     44     private static final int TONE_RELATIVE_VOLUME = 80;
     45 
     46     static {
     47         sToneMap.put(KeyEvent.KEYCODE_1, ToneGenerator.TONE_DTMF_1);
     48         sToneMap.put(KeyEvent.KEYCODE_2, ToneGenerator.TONE_DTMF_2);
     49         sToneMap.put(KeyEvent.KEYCODE_3, ToneGenerator.TONE_DTMF_3);
     50         sToneMap.put(KeyEvent.KEYCODE_4, ToneGenerator.TONE_DTMF_4);
     51         sToneMap.put(KeyEvent.KEYCODE_5, ToneGenerator.TONE_DTMF_5);
     52         sToneMap.put(KeyEvent.KEYCODE_6, ToneGenerator.TONE_DTMF_6);
     53         sToneMap.put(KeyEvent.KEYCODE_7, ToneGenerator.TONE_DTMF_7);
     54         sToneMap.put(KeyEvent.KEYCODE_8, ToneGenerator.TONE_DTMF_8);
     55         sToneMap.put(KeyEvent.KEYCODE_9, ToneGenerator.TONE_DTMF_9);
     56         sToneMap.put(KeyEvent.KEYCODE_0, ToneGenerator.TONE_DTMF_0);
     57         sToneMap.put(KeyEvent.KEYCODE_STAR, ToneGenerator.TONE_DTMF_S);
     58         sToneMap.put(KeyEvent.KEYCODE_POUND, ToneGenerator.TONE_DTMF_P);
     59 
     60         sDialValueMap.put(KeyEvent.KEYCODE_1, "1");
     61         sDialValueMap.put(KeyEvent.KEYCODE_2, "2");
     62         sDialValueMap.put(KeyEvent.KEYCODE_3, "3");
     63         sDialValueMap.put(KeyEvent.KEYCODE_4, "4");
     64         sDialValueMap.put(KeyEvent.KEYCODE_5, "5");
     65         sDialValueMap.put(KeyEvent.KEYCODE_6, "6");
     66         sDialValueMap.put(KeyEvent.KEYCODE_7, "7");
     67         sDialValueMap.put(KeyEvent.KEYCODE_8, "8");
     68         sDialValueMap.put(KeyEvent.KEYCODE_9, "9");
     69         sDialValueMap.put(KeyEvent.KEYCODE_0, "0");
     70         sDialValueMap.put(KeyEvent.KEYCODE_STAR, "*");
     71         sDialValueMap.put(KeyEvent.KEYCODE_POUND, "#");
     72 
     73         sRIdMap.put(KeyEvent.KEYCODE_1, R.id.one);
     74         sRIdMap.put(KeyEvent.KEYCODE_2, R.id.two);
     75         sRIdMap.put(KeyEvent.KEYCODE_3, R.id.three);
     76         sRIdMap.put(KeyEvent.KEYCODE_4, R.id.four);
     77         sRIdMap.put(KeyEvent.KEYCODE_5, R.id.five);
     78         sRIdMap.put(KeyEvent.KEYCODE_6, R.id.six);
     79         sRIdMap.put(KeyEvent.KEYCODE_7, R.id.seven);
     80         sRIdMap.put(KeyEvent.KEYCODE_8, R.id.eight);
     81         sRIdMap.put(KeyEvent.KEYCODE_9, R.id.nine);
     82         sRIdMap.put(KeyEvent.KEYCODE_0, R.id.zero);
     83         sRIdMap.put(KeyEvent.KEYCODE_STAR, R.id.star);
     84         sRIdMap.put(KeyEvent.KEYCODE_POUND, R.id.pound);
     85     }
     86 
     87     public static DialpadFragment newInstance() {
     88         return new DialpadFragment();
     89     }
     90 
     91     /**
     92      * Callback for dialpad to interact with its host.
     93      */
     94     public interface DialpadCallback {
     95         /**
     96          * Called when voice mail should be dialed.
     97          */
     98         void onDialVoiceMail();
     99 
    100         /**
    101          * Called when a digit should be append.
    102          */
    103         void onAppendDigit(String digit);
    104     }
    105 
    106     private ToneGenerator mToneGenerator;
    107     private DialpadCallback mDialpadCallback;
    108 
    109     @Override
    110     public void onCreate(@Nullable Bundle savedInstanceState) {
    111         super.onCreate(savedInstanceState);
    112         mToneGenerator = new ToneGenerator(AudioManager.STREAM_MUSIC, TONE_RELATIVE_VOLUME);
    113     }
    114 
    115     @Override
    116     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
    117             @Nullable Bundle savedInstanceState) {
    118         if (getParentFragment() != null && getParentFragment() instanceof DialpadCallback) {
    119             mDialpadCallback = (DialpadCallback) getParentFragment();
    120         } else if (getHost() instanceof DialpadCallback) {
    121             mDialpadCallback = (DialpadCallback) getHost();
    122         }
    123 
    124         View dialpadView = inflater.inflate(R.layout.dialpad, container, false);
    125         setupKeypadClickListeners(dialpadView);
    126         return dialpadView;
    127     }
    128 
    129     @Override
    130     public void onPause() {
    131         super.onPause();
    132         stopTone();
    133     }
    134 
    135     /**
    136      * The click listener for all dialpad buttons.  Reacts to touch-down and touch-up events, as
    137      * well as long-press for certain keys.  Mimics the behavior of the phone dialer app.
    138      */
    139     private class DialpadClickListener implements View.OnTouchListener,
    140             View.OnLongClickListener {
    141         private final int mTone;
    142         private final String mValue;
    143 
    144         DialpadClickListener(int keyCode) {
    145             mTone = sToneMap.get(keyCode);
    146             mValue = sDialValueMap.get(keyCode);
    147         }
    148 
    149         @Override
    150         public boolean onLongClick(View v) {
    151             switch (mValue) {
    152                 case "0":
    153                     if (mDialpadCallback != null) {
    154                         mDialpadCallback.onAppendDigit("+");
    155                     }
    156                     stopTone();
    157                     return true;
    158                 case "1":
    159                     // TODO: this currently does not work (at least over bluetooth HFP), because
    160                     // the framework is unable to get the voicemail number. Revisit later...
    161                     if (mDialpadCallback != null) {
    162                         mDialpadCallback.onDialVoiceMail();
    163                     }
    164                     return true;
    165                 default:
    166                     return false;
    167             }
    168         }
    169 
    170         @Override
    171         public boolean onTouch(View v, MotionEvent event) {
    172             UiCallManager uiCallmanager = UiCallManager.get();
    173             boolean hasActiveCall = uiCallmanager.getPrimaryCall() != null;
    174             if (event.getAction() == MotionEvent.ACTION_DOWN) {
    175                 if (mDialpadCallback != null) {
    176                     mDialpadCallback.onAppendDigit(mValue);
    177                 }
    178                 if (hasActiveCall) {
    179                     uiCallmanager.playDtmfTone(uiCallmanager.getPrimaryCall(), mValue.charAt(0));
    180                 } else {
    181                     playTone(mTone);
    182                 }
    183             } else if (event.getAction() == MotionEvent.ACTION_UP) {
    184                 if (hasActiveCall) {
    185                     uiCallmanager.stopDtmfTone(uiCallmanager.getPrimaryCall());
    186                 } else {
    187                     stopTone();
    188                 }
    189             }
    190 
    191             // Continue propagating the touch event
    192             return false;
    193         }
    194     }
    195 
    196     private void playTone(int tone) {
    197         if (mToneGenerator == null) {
    198             return;
    199         }
    200 
    201         // Start the new tone
    202         mToneGenerator.startTone(tone, TONE_LENGTH_INFINITE);
    203     }
    204 
    205     private void stopTone() {
    206         if (mToneGenerator == null) {
    207             return;
    208         }
    209 
    210         mToneGenerator.stopTone();
    211     }
    212 
    213     private void setupKeypadClickListeners(View parent) {
    214         for (int i = 0; i < sRIdMap.size(); i++) {
    215             int key = sRIdMap.keyAt(i);
    216             DialpadClickListener clickListener = new DialpadClickListener(key);
    217             View v = parent.findViewById(sRIdMap.get(key));
    218             v.setOnTouchListener(clickListener);
    219             v.setOnLongClickListener(clickListener);
    220         }
    221     }
    222 }
    223