StatusBarManager.java revision 9cbd360a670ca6deb7f2e933f1b79361b84f80a2 
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
18package android.app;
19
20import android.content.Context;
21import android.os.Binder;
22import android.os.RemoteException;
23import android.os.IBinder;
24import android.os.ServiceManager;
25import android.util.Slog;
26import android.view.View;
27
28import com.android.internal.statusbar.IStatusBarService;
29
30/**
31 * Allows an app to control the status bar.
32 *
33 * @hide
34 */
35public 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
63    StatusBarManager(Context context) {
64        mContext = context;
65    }
66
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     */
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     */
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     */
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
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
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
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