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    public static final int NAVIGATION_HINT_BACK_NOP      = 1 << 0;
60    public static final int NAVIGATION_HINT_HOME_NOP      = 1 << 1;
61    public static final int NAVIGATION_HINT_RECENT_NOP    = 1 << 2;
62    public static final int NAVIGATION_HINT_BACK_ALT      = 1 << 3;
63
64    private Context mContext;
65    private IStatusBarService mService;
66    private IBinder mToken = new Binder();
67
68    StatusBarManager(Context context) {
69        mContext = context;
70    }
71
72    private synchronized IStatusBarService getService() {
73        if (mService == null) {
74            mService = IStatusBarService.Stub.asInterface(
75                    ServiceManager.getService(Context.STATUS_BAR_SERVICE));
76            if (mService == null) {
77                Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
78            }
79        }
80        return mService;
81    }
82
83    /**
84     * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
85     * To re-enable everything, pass {@link #DISABLE_NONE}.
86     */
87    public void disable(int what) {
88        try {
89            final IStatusBarService svc = getService();
90            if (svc != null) {
91                svc.disable(what, mToken, mContext.getPackageName());
92            }
93        } catch (RemoteException ex) {
94            // system process is dead anyway.
95            throw new RuntimeException(ex);
96        }
97    }
98
99    /**
100     * Expand the status bar.
101     */
102    public void expand() {
103        try {
104            final IStatusBarService svc = getService();
105            if (svc != null) {
106                svc.expand();
107            }
108        } catch (RemoteException ex) {
109            // system process is dead anyway.
110            throw new RuntimeException(ex);
111        }
112    }
113
114    /**
115     * Collapse the status bar.
116     */
117    public void collapse() {
118        try {
119            final IStatusBarService svc = getService();
120            if (svc != null) {
121                svc.collapse();
122            }
123        } catch (RemoteException ex) {
124            // system process is dead anyway.
125            throw new RuntimeException(ex);
126        }
127    }
128
129    public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
130        try {
131            final IStatusBarService svc = getService();
132            if (svc != null) {
133                svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
134                    contentDescription);
135            }
136        } catch (RemoteException ex) {
137            // system process is dead anyway.
138            throw new RuntimeException(ex);
139        }
140    }
141
142    public void removeIcon(String slot) {
143        try {
144            final IStatusBarService svc = getService();
145            if (svc != null) {
146                svc.removeIcon(slot);
147            }
148        } catch (RemoteException ex) {
149            // system process is dead anyway.
150            throw new RuntimeException(ex);
151        }
152    }
153
154    public void setIconVisibility(String slot, boolean visible) {
155        try {
156            final IStatusBarService svc = getService();
157            if (svc != null) {
158                svc.setIconVisibility(slot, visible);
159            }
160        } catch (RemoteException ex) {
161            // system process is dead anyway.
162            throw new RuntimeException(ex);
163        }
164    }
165}
166