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