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1 /*
2  * Copyright (C) 2007 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 
18 package android.app;
19 
20 import android.content.Context;
21 import android.os.Binder;
22 import android.os.RemoteException;
23 import android.os.IBinder;
24 import android.os.ServiceManager;
25 import android.util.Slog;
26 import android.view.View;
27 
28 import com.android.internal.statusbar.IStatusBarService;
29 
30 /**
31  * Allows an app to control the status bar.
32  *
33  * @hide
34  */
35 public class StatusBarManager {
36 
37     public static final int DISABLE_EXPAND = View.STATUS_BAR_DISABLE_EXPAND;
38     public static final int DISABLE_NOTIFICATION_ICONS = View.STATUS_BAR_DISABLE_NOTIFICATION_ICONS;
39     public static final int DISABLE_NOTIFICATION_ALERTS
40             = View.STATUS_BAR_DISABLE_NOTIFICATION_ALERTS;
41     public static final int DISABLE_NOTIFICATION_TICKER
42             = View.STATUS_BAR_DISABLE_NOTIFICATION_TICKER;
43     public static final int DISABLE_SYSTEM_INFO = View.STATUS_BAR_DISABLE_SYSTEM_INFO;
44     public static final int DISABLE_HOME = View.STATUS_BAR_DISABLE_HOME;
45     public static final int DISABLE_RECENT = View.STATUS_BAR_DISABLE_RECENT;
46     public static final int DISABLE_BACK = View.STATUS_BAR_DISABLE_BACK;
47     public static final int DISABLE_CLOCK = View.STATUS_BAR_DISABLE_CLOCK;
48 
49     @Deprecated
50     public static final int DISABLE_NAVIGATION =
51             View.STATUS_BAR_DISABLE_HOME | View.STATUS_BAR_DISABLE_RECENT;
52 
53     public static final int DISABLE_NONE = 0x00000000;
54 
55     public static final int DISABLE_MASK = DISABLE_EXPAND | DISABLE_NOTIFICATION_ICONS
56             | DISABLE_NOTIFICATION_ALERTS | DISABLE_NOTIFICATION_TICKER
57             | DISABLE_SYSTEM_INFO | DISABLE_RECENT | DISABLE_HOME | DISABLE_BACK | DISABLE_CLOCK;
58 
59     private Context mContext;
60     private IStatusBarService mService;
61     private IBinder mToken = new Binder();
62 
StatusBarManager(Context context)63     StatusBarManager(Context context) {
64         mContext = context;
65     }
66 
getService()67     private synchronized IStatusBarService getService() {
68         if (mService == null) {
69             mService = IStatusBarService.Stub.asInterface(
70                     ServiceManager.getService(Context.STATUS_BAR_SERVICE));
71             if (mService == null) {
72                 Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
73             }
74         }
75         return mService;
76     }
77 
78     /**
79      * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
80      * To re-enable everything, pass {@link #DISABLE_NONE}.
81      */
disable(int what)82     public void disable(int what) {
83         try {
84             final IStatusBarService svc = getService();
85             if (svc != null) {
86                 svc.disable(what, mToken, mContext.getPackageName());
87             }
88         } catch (RemoteException ex) {
89             // system process is dead anyway.
90             throw new RuntimeException(ex);
91         }
92     }
93 
94     /**
95      * Expand the status bar.
96      */
expand()97     public void expand() {
98         try {
99             final IStatusBarService svc = getService();
100             if (svc != null) {
101                 svc.expand();
102             }
103         } catch (RemoteException ex) {
104             // system process is dead anyway.
105             throw new RuntimeException(ex);
106         }
107     }
108 
109     /**
110      * Collapse the status bar.
111      */
collapse()112     public void collapse() {
113         try {
114             final IStatusBarService svc = getService();
115             if (svc != null) {
116                 svc.collapse();
117             }
118         } catch (RemoteException ex) {
119             // system process is dead anyway.
120             throw new RuntimeException(ex);
121         }
122     }
123 
setIcon(String slot, int iconId, int iconLevel, String contentDescription)124     public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
125         try {
126             final IStatusBarService svc = getService();
127             if (svc != null) {
128                 svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
129                     contentDescription);
130             }
131         } catch (RemoteException ex) {
132             // system process is dead anyway.
133             throw new RuntimeException(ex);
134         }
135     }
136 
removeIcon(String slot)137     public void removeIcon(String slot) {
138         try {
139             final IStatusBarService svc = getService();
140             if (svc != null) {
141                 svc.removeIcon(slot);
142             }
143         } catch (RemoteException ex) {
144             // system process is dead anyway.
145             throw new RuntimeException(ex);
146         }
147     }
148 
setIconVisibility(String slot, boolean visible)149     public void setIconVisibility(String slot, boolean visible) {
150         try {
151             final IStatusBarService svc = getService();
152             if (svc != null) {
153                 svc.setIconVisibility(slot, visible);
154             }
155         } catch (RemoteException ex) {
156             // system process is dead anyway.
157             throw new RuntimeException(ex);
158         }
159     }
160 }
161