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      1 /*
      2  * Copyright (C) 2014 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 android.telecom;
     18 
     19 import android.os.Parcel;
     20 import android.os.Parcelable;
     21 import android.media.ToneGenerator;
     22 import android.text.TextUtils;
     23 
     24 import java.util.Objects;
     25 
     26 /**
     27  * Describes the cause of a disconnected call. This always includes a code describing the generic
     28  * cause of the disconnect. Optionally, it may include a label and/or description to display to the
     29  * user. It is the responsibility of the {@link ConnectionService} to provide localized versions of
     30  * the label and description. It also may contain a reason for the disconnect, which is intended for
     31  * logging and not for display to the user.
     32  */
     33 public final class DisconnectCause implements Parcelable {
     34 
     35     /** Disconnected because of an unknown or unspecified reason. */
     36     public static final int UNKNOWN = 0;
     37     /** Disconnected because there was an error, such as a problem with the network. */
     38     public static final int ERROR = 1;
     39     /** Disconnected because of a local user-initiated action, such as hanging up. */
     40     public static final int LOCAL = 2;
     41     /**
     42      * Disconnected because of a remote user-initiated action, such as the other party hanging up
     43      * up.
     44      */
     45     public static final int REMOTE = 3;
     46     /** Disconnected because it has been canceled. */
     47     public static final int CANCELED = 4;
     48     /** Disconnected because there was no response to an incoming call. */
     49     public static final int MISSED = 5;
     50     /** Disconnected because the user rejected an incoming call. */
     51     public static final int REJECTED = 6;
     52     /** Disconnected because the other party was busy. */
     53     public static final int BUSY = 7;
     54     /**
     55      * Disconnected because of a restriction on placing the call, such as dialing in airplane
     56      * mode.
     57      */
     58     public static final int RESTRICTED = 8;
     59     /** Disconnected for reason not described by other disconnect codes. */
     60     public static final int OTHER = 9;
     61     /**
     62      * Disconnected because the connection manager did not support the call. The call will be tried
     63      * again without a connection manager. See {@link PhoneAccount#CAPABILITY_CONNECTION_MANAGER}.
     64      */
     65     public static final int CONNECTION_MANAGER_NOT_SUPPORTED = 10;
     66 
     67     private int mDisconnectCode;
     68     private CharSequence mDisconnectLabel;
     69     private CharSequence mDisconnectDescription;
     70     private String mDisconnectReason;
     71     private int mToneToPlay;
     72 
     73     /**
     74      * Creates a new DisconnectCause.
     75      *
     76      * @param code The code for the disconnect cause.
     77      */
     78     public DisconnectCause(int code) {
     79         this(code, null, null, null, ToneGenerator.TONE_UNKNOWN);
     80     }
     81 
     82     /**
     83      * Creates a new DisconnectCause.
     84      *
     85      * @param code The code for the disconnect cause.
     86      * @param reason The reason for the disconnect.
     87      */
     88     public DisconnectCause(int code, String reason) {
     89         this(code, null, null, reason, ToneGenerator.TONE_UNKNOWN);
     90     }
     91 
     92     /**
     93      * Creates a new DisconnectCause.
     94      *
     95      * @param label The localized label to show to the user to explain the disconnect.
     96      * @param code The code for the disconnect cause.
     97      * @param description The localized description to show to the user to explain the disconnect.
     98      * @param reason The reason for the disconnect.
     99      */
    100     public DisconnectCause(int code, CharSequence label, CharSequence description, String reason) {
    101         this(code, label, description, reason, ToneGenerator.TONE_UNKNOWN);
    102     }
    103 
    104     /**
    105      * Creates a new DisconnectCause.
    106      *
    107      * @param code The code for the disconnect cause.
    108      * @param label The localized label to show to the user to explain the disconnect.
    109      * @param description The localized description to show to the user to explain the disconnect.
    110      * @param reason The reason for the disconnect.
    111      * @param toneToPlay The tone to play on disconnect, as defined in {@link ToneGenerator}.
    112      */
    113     public DisconnectCause(int code, CharSequence label, CharSequence description, String reason,
    114             int toneToPlay) {
    115         mDisconnectCode = code;
    116         mDisconnectLabel = label;
    117         mDisconnectDescription = description;
    118         mDisconnectReason = reason;
    119         mToneToPlay = toneToPlay;
    120     }
    121 
    122     /**
    123      * Returns the code for the reason for this disconnect.
    124      *
    125      * @return The disconnect code.
    126      */
    127     public int getCode() {
    128         return mDisconnectCode;
    129     }
    130 
    131     /**
    132      * Returns a short label which explains the reason for the disconnect cause and is for display
    133      * in the user interface. If not null, it is expected that the In-Call UI should display this
    134      * text where it would normally display the call state ("Dialing", "Disconnected") and is
    135      * therefore expected to be relatively small. The {@link ConnectionService } is responsible for
    136      * providing and localizing this label. If there is no string provided, returns null.
    137      *
    138      * @return The disconnect label.
    139      */
    140     public CharSequence getLabel() {
    141         return mDisconnectLabel;
    142     }
    143 
    144     /**
    145      * Returns a description which explains the reason for the disconnect cause and is for display
    146      * in the user interface. This optional text is generally a longer and more descriptive version
    147      * of {@link #getLabel}, however it can exist even if {@link #getLabel} is empty. The In-Call UI
    148      * should display this relatively prominently; the traditional implementation displays this as
    149      * an alert dialog. The {@link ConnectionService} is responsible for providing and localizing
    150      * this message. If there is no string provided, returns null.
    151      *
    152      * @return The disconnect description.
    153      */
    154     public CharSequence getDescription() {
    155         return mDisconnectDescription;
    156     }
    157 
    158     /**
    159      * Returns an explanation of the reason for the disconnect. This is not intended for display to
    160      * the user and is used mainly for logging.
    161      *
    162      * @return The disconnect reason.
    163      */
    164     public String getReason() {
    165         return mDisconnectReason;
    166     }
    167 
    168     /**
    169      * Returns the tone to play when disconnected.
    170      *
    171      * @return the tone as defined in {@link ToneGenerator} to play when disconnected.
    172      */
    173     public int getTone() {
    174         return mToneToPlay;
    175     }
    176 
    177     public static final Creator<DisconnectCause> CREATOR = new Creator<DisconnectCause>() {
    178         @Override
    179         public DisconnectCause createFromParcel(Parcel source) {
    180             int code = source.readInt();
    181             CharSequence label = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
    182             CharSequence description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
    183             String reason = source.readString();
    184             int tone = source.readInt();
    185             return new DisconnectCause(code, label, description, reason, tone);
    186         }
    187 
    188         @Override
    189         public DisconnectCause[] newArray(int size) {
    190             return new DisconnectCause[size];
    191         }
    192     };
    193 
    194     @Override
    195     public void writeToParcel(Parcel destination, int flags) {
    196         destination.writeInt(mDisconnectCode);
    197         TextUtils.writeToParcel(mDisconnectLabel, destination, flags);
    198         TextUtils.writeToParcel(mDisconnectDescription, destination, flags);
    199         destination.writeString(mDisconnectReason);
    200         destination.writeInt(mToneToPlay);
    201     }
    202 
    203     @Override
    204     public int describeContents() {
    205         return 0;
    206     }
    207 
    208     @Override
    209     public int hashCode() {
    210         return Objects.hashCode(mDisconnectCode)
    211                 + Objects.hashCode(mDisconnectLabel)
    212                 + Objects.hashCode(mDisconnectDescription)
    213                 + Objects.hashCode(mDisconnectReason)
    214                 + Objects.hashCode(mToneToPlay);
    215     }
    216 
    217     @Override
    218     public boolean equals(Object o) {
    219         if (o instanceof DisconnectCause) {
    220             DisconnectCause d = (DisconnectCause) o;
    221             return Objects.equals(mDisconnectCode, d.getCode())
    222                     && Objects.equals(mDisconnectLabel, d.getLabel())
    223                     && Objects.equals(mDisconnectDescription, d.getDescription())
    224                     && Objects.equals(mDisconnectReason, d.getReason())
    225                     && Objects.equals(mToneToPlay, d.getTone());
    226         }
    227         return false;
    228     }
    229 
    230     @Override
    231     public String toString() {
    232         String code = "";
    233         switch (mDisconnectCode) {
    234             case UNKNOWN:
    235                 code = "UNKNOWN";
    236                 break;
    237             case ERROR:
    238                 code = "ERROR";
    239                 break;
    240             case LOCAL:
    241                 code = "LOCAL";
    242                 break;
    243             case REMOTE:
    244                 code = "REMOTE";
    245                 break;
    246             case CANCELED:
    247                 code = "CANCELED";
    248                 break;
    249             case MISSED:
    250                 code = "MISSED";
    251                 break;
    252             case REJECTED:
    253                 code = "REJECTED";
    254                 break;
    255             case BUSY:
    256                 code = "BUSY";
    257                 break;
    258             case RESTRICTED:
    259                 code = "RESTRICTED";
    260                 break;
    261             case OTHER:
    262                 code = "OTHER";
    263                 break;
    264             case CONNECTION_MANAGER_NOT_SUPPORTED:
    265                 code = "CONNECTION_MANAGER_NOT_SUPPORTED";
    266                 break;
    267             default:
    268                 code = "invalid code: " + mDisconnectCode;
    269                 break;
    270         }
    271         String label = mDisconnectLabel == null ? "" : mDisconnectLabel.toString();
    272         String description = mDisconnectDescription == null
    273                 ? "" : mDisconnectDescription.toString();
    274         String reason = mDisconnectReason == null ? "" : mDisconnectReason;
    275         return "DisconnectCause [ Code: (" + code + ")"
    276                 + " Label: (" + label + ")"
    277                 + " Description: (" + description + ")"
    278                 + " Reason: (" + reason + ")"
    279                 + " Tone: (" + mToneToPlay + ") ]";
    280     }
    281 }
    282