1 /*
2  * Copyright (C) 2017 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.voicemail;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.provider.VoicemailContract.Voicemails;
22 import android.support.annotation.Nullable;
23 import android.telecom.PhoneAccountHandle;
24 import android.telephony.TelephonyManager;
25 import java.util.List;
26 
27 /** Public interface for the voicemail module */
28 public interface VoicemailClient {
29 
30   /**
31    * Whether the voicemail module is enabled (OS has support and not disabled by flags, etc.). This
32    * does not mean the carrier has support or user has enabled the feature.
33    */
isVoicemailModuleEnabled()34   boolean isVoicemailModuleEnabled();
35 
36   /**
37    * Broadcast to tell the client to upload local database changes to the server. Since the dialer
38    * UI and the client are in the same package, the {@link
39    * android.content.Intent#ACTION_PROVIDER_CHANGED} will always be a self-change even if the UI is
40    * external to the client.
41    */
42   String ACTION_UPLOAD = "com.android.voicemail.VoicemailClient.ACTION_UPLOAD";
43 
44   /** Common key for passing {@link PhoneAccountHandle} in bundles. */
45   String PARAM_PHONE_ACCOUNT_HANDLE = "phone_account_handle";
46 
47   /**
48    * Broadcast from the client to inform the app to show a legacy voicemail notification. This
49    * broadcast is same as {@link TelephonyManager#ACTION_SHOW_VOICEMAIL_NOTIFICATION}.
50    */
51   String ACTION_SHOW_LEGACY_VOICEMAIL =
52       "com.android.voicemail.VoicemailClient.ACTION_SHOW_LEGACY_VOICEMAIL";
53 
54   /**
55    * Whether the visual voicemail service is enabled for the {@code phoneAccountHandle}. "Enable"
56    * means the user "wants" to have this service on, and does not mean the service is actually
57    * functional(For example, the service is blocked on the carrier side. The service will be
58    * "enabled" but all it will do is show the error).
59    */
isVoicemailEnabled(Context context, PhoneAccountHandle phoneAccountHandle)60   boolean isVoicemailEnabled(Context context, PhoneAccountHandle phoneAccountHandle);
61 
62   /**
63    * Enable or disable visual voicemail service for the {@code phoneAccountHandle}. Setting to
64    * enabled will initiate provisioning and activation. Setting to disabled will initiate
65    * deactivation.
66    */
setVoicemailEnabled(Context context, PhoneAccountHandle phoneAccountHandle, boolean enabled)67   void setVoicemailEnabled(Context context, PhoneAccountHandle phoneAccountHandle, boolean enabled);
68 
69   /**
70    * Appends the selection to ignore voicemails from non-active OMTP voicemail package. In OC there
71    * can be multiple packages handling OMTP voicemails which represents the same source of truth.
72    * These packages should mark their voicemails as {@link Voicemails#IS_OMTP_VOICEMAIL} and only
73    * the voicemails from {@link TelephonyManager#getVisualVoicemailPackageName()} should be shown.
74    * For example, the user synced voicemails with DialerA, and then switched to DialerB, voicemails
75    * from DialerA should be ignored as they are no longer current. Voicemails from {@link
76    * #OMTP_VOICEMAIL_BLACKLIST} will also be ignored as they are voicemail source only valid pre-OC.
77    */
appendOmtpVoicemailSelectionClause( Context context, StringBuilder where, List<String> selectionArgs)78   void appendOmtpVoicemailSelectionClause(
79       Context context, StringBuilder where, List<String> selectionArgs);
80 
81   /**
82    * Appends the selection to ignore voicemail status from non-active OMTP voicemail package. The
83    * {@link android.provider.VoicemailContract.Status#SOURCE_TYPE} is checked against a list of
84    * known OMTP types. Voicemails from {@link #OMTP_VOICEMAIL_BLACKLIST} will also be ignored as
85    * they are voicemail source only valid pre-OC.
86    *
87    * @see #appendOmtpVoicemailSelectionClause(Context, StringBuilder, List)
88    */
appendOmtpVoicemailStatusSelectionClause( Context context, StringBuilder where, List<String> selectionArgs)89   void appendOmtpVoicemailStatusSelectionClause(
90       Context context, StringBuilder where, List<String> selectionArgs);
91 
92   /**
93    * @return the class name of the {@link android.preference.PreferenceFragment} for voicemail
94    *     settings, or {@code null} if dialer cannot control voicemail settings. Always return {@code
95    *     null} before OC.
96    */
97   @Nullable
getSettingsFragment()98   String getSettingsFragment();
99 
isVoicemailArchiveEnabled(Context context, PhoneAccountHandle phoneAccountHandle)100   boolean isVoicemailArchiveEnabled(Context context, PhoneAccountHandle phoneAccountHandle);
101 
102   /**
103    * @return if the voicemail archive feature is available on the current device. This depends on
104    *     whether the server side flag is turned on for the feature, and if the OS meets the
105    *     requirement for this feature.
106    */
isVoicemailArchiveAvailable(Context context)107   boolean isVoicemailArchiveAvailable(Context context);
108 
setVoicemailArchiveEnabled( Context context, PhoneAccountHandle phoneAccountHandle, boolean value)109   void setVoicemailArchiveEnabled(
110       Context context, PhoneAccountHandle phoneAccountHandle, boolean value);
111 
112   /**
113    * @return an intent that will launch the activity to change the voicemail PIN. The PIN is used
114    *     when calling into the mailbox.
115    */
getSetPinIntent(Context context, PhoneAccountHandle phoneAccountHandle)116   Intent getSetPinIntent(Context context, PhoneAccountHandle phoneAccountHandle);
117 
118   /**
119    * Whether the client is activated and handling visual voicemail for the {@code
120    * phoneAccountHandle}. "Enable" is the intention to use VVM. For example VVM can be enabled but
121    * prevented from working because the carrier blocked it, or a connection problem is blocking the
122    * provisioning. Being "activated" means all setup are completed, and VVM is expected to work.
123    */
isActivated(Context context, PhoneAccountHandle phoneAccountHandle)124   boolean isActivated(Context context, PhoneAccountHandle phoneAccountHandle);
125 }
126