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 com.android.server.telecom;
18 
19 import android.app.StatusBarManager;
20 import android.content.Context;
21 import android.telecom.Log;
22 
23 import com.android.internal.annotations.VisibleForTesting;
24 
25 // TODO: Needed for move to system service: import com.android.internal.R;
26 
27 /**
28  * Manages the special status bar notifications used by the phone app.
29  */
30 @VisibleForTesting
31 public class StatusBarNotifier extends CallsManagerListenerBase {
32     private static final String SLOT_MUTE = "telecom_mute";
33     private static final String SLOT_SPEAKERPHONE = "speakerphone";
34 
35     private final Context mContext;
36     private final CallsManager mCallsManager;
37     private final StatusBarManager mStatusBarManager;
38 
39     private boolean mIsShowingMute;
40     private boolean mIsShowingSpeakerphone;
41 
StatusBarNotifier(Context context, CallsManager callsManager)42     StatusBarNotifier(Context context, CallsManager callsManager) {
43         mContext = context;
44         mCallsManager = callsManager;
45         mStatusBarManager = (StatusBarManager) context.getSystemService(Context.STATUS_BAR_SERVICE);
46     }
47 
48     /** ${inheritDoc} */
49     @Override
onCallRemoved(Call call)50     public void onCallRemoved(Call call) {
51         if (!mCallsManager.hasAnyCalls()) {
52             notifyMute(false);
53             notifySpeakerphone(false);
54         }
55     }
56 
57     @VisibleForTesting
notifyMute(boolean isMuted)58     public void notifyMute(boolean isMuted) {
59         // Never display anything if there are no calls.
60         if (!mCallsManager.hasAnyCalls()) {
61             isMuted = false;
62         }
63 
64         if (mIsShowingMute == isMuted) {
65             return;
66         }
67 
68         Log.d(this, "Mute status bar icon being set to %b", isMuted);
69 
70         if (isMuted) {
71             mStatusBarManager.setIcon(
72                     SLOT_MUTE,
73                     android.R.drawable.stat_notify_call_mute,
74                     0,  /* iconLevel */
75                     mContext.getString(R.string.accessibility_call_muted));
76         } else {
77             mStatusBarManager.removeIcon(SLOT_MUTE);
78         }
79         mIsShowingMute = isMuted;
80     }
81 
82     /**
83      * Update the status bar manager with the new speakerphone state.
84      *
85      * IMPORTANT: DO NOT call into any Telecom code here; this is usually scheduled on an async
86      * executor to save Telecom from blocking on outgoing binder calls.
87      * @param isSpeakerphone
88      */
89     @VisibleForTesting
notifySpeakerphone(boolean isSpeakerphone)90     public void notifySpeakerphone(boolean isSpeakerphone) {
91         if (mIsShowingSpeakerphone == isSpeakerphone) {
92             return;
93         }
94 
95         Log.d(this, "Speakerphone status bar icon being set to %b", isSpeakerphone);
96 
97         if (isSpeakerphone) {
98             mStatusBarManager.setIcon(
99                     SLOT_SPEAKERPHONE,
100                     android.R.drawable.stat_sys_speakerphone,
101                     0,  /* iconLevel */
102                     mContext.getString(R.string.accessibility_speakerphone_enabled));
103         } else {
104             mStatusBarManager.removeIcon(SLOT_SPEAKERPHONE);
105         }
106         mIsShowingSpeakerphone = isSpeakerphone;
107     }
108 }
109