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 
22 import com.android.internal.annotations.VisibleForTesting;
23 
24 // TODO: Needed for move to system service: import com.android.internal.R;
25 
26 /**
27  * Manages the special status bar notifications used by the phone app.
28  */
29 @VisibleForTesting
30 public class StatusBarNotifier extends CallsManagerListenerBase {
31     private static final String SLOT_MUTE = "mute";
32     private static final String SLOT_SPEAKERPHONE = "speakerphone";
33 
34     private final Context mContext;
35     private final CallsManager mCallsManager;
36     private final StatusBarManager mStatusBarManager;
37 
38     private boolean mIsShowingMute;
39     private boolean mIsShowingSpeakerphone;
40 
StatusBarNotifier(Context context, CallsManager callsManager)41     StatusBarNotifier(Context context, CallsManager callsManager) {
42         mContext = context;
43         mCallsManager = callsManager;
44         mStatusBarManager = (StatusBarManager) context.getSystemService(Context.STATUS_BAR_SERVICE);
45     }
46 
47     /** ${inheritDoc} */
48     @Override
onCallRemoved(Call call)49     public void onCallRemoved(Call call) {
50         if (!mCallsManager.hasAnyCalls()) {
51             notifyMute(false);
52             notifySpeakerphone(false);
53         }
54     }
55 
56     @VisibleForTesting
notifyMute(boolean isMuted)57     public void notifyMute(boolean isMuted) {
58         // Never display anything if there are no calls.
59         if (!mCallsManager.hasAnyCalls()) {
60             isMuted = false;
61         }
62 
63         if (mIsShowingMute == isMuted) {
64             return;
65         }
66 
67         Log.d(this, "Mute status bar icon being set to %b", isMuted);
68 
69         if (isMuted) {
70             mStatusBarManager.setIcon(
71                     SLOT_MUTE,
72                     android.R.drawable.stat_notify_call_mute,
73                     0,  /* iconLevel */
74                     mContext.getString(R.string.accessibility_call_muted));
75         } else {
76             mStatusBarManager.removeIcon(SLOT_MUTE);
77         }
78         mIsShowingMute = isMuted;
79     }
80 
81     @VisibleForTesting
notifySpeakerphone(boolean isSpeakerphone)82     public void notifySpeakerphone(boolean isSpeakerphone) {
83         // Never display anything if there are no calls.
84         if (!mCallsManager.hasAnyCalls()) {
85             isSpeakerphone = false;
86         }
87 
88         if (mIsShowingSpeakerphone == isSpeakerphone) {
89             return;
90         }
91 
92         Log.d(this, "Speakerphone status bar icon being set to %b", isSpeakerphone);
93 
94         if (isSpeakerphone) {
95             mStatusBarManager.setIcon(
96                     SLOT_SPEAKERPHONE,
97                     android.R.drawable.stat_sys_speakerphone,
98                     0,  /* iconLevel */
99                     mContext.getString(R.string.accessibility_speakerphone_enabled));
100         } else {
101             mStatusBarManager.removeIcon(SLOT_SPEAKERPHONE);
102         }
103         mIsShowingSpeakerphone = isSpeakerphone;
104     }
105 }
106