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    public static final int DISABLE_SEARCH = View.STATUS_BAR_DISABLE_SEARCH;
49
50    @Deprecated
51    public static final int DISABLE_NAVIGATION =
52            View.STATUS_BAR_DISABLE_HOME | View.STATUS_BAR_DISABLE_RECENT;
53
54    public static final int DISABLE_NONE = 0x00000000;
55
56    public static final int DISABLE_MASK = DISABLE_EXPAND | DISABLE_NOTIFICATION_ICONS
57            | DISABLE_NOTIFICATION_ALERTS | DISABLE_NOTIFICATION_TICKER
58            | DISABLE_SYSTEM_INFO | DISABLE_RECENT | DISABLE_HOME | DISABLE_BACK | DISABLE_CLOCK
59            | DISABLE_SEARCH;
60
61    public static final int NAVIGATION_HINT_BACK_NOP      = 1 << 0;
62    public static final int NAVIGATION_HINT_HOME_NOP      = 1 << 1;
63    public static final int NAVIGATION_HINT_RECENT_NOP    = 1 << 2;
64    public static final int NAVIGATION_HINT_BACK_ALT      = 1 << 3;
65
66    private Context mContext;
67    private IStatusBarService mService;
68    private IBinder mToken = new Binder();
69
70    StatusBarManager(Context context) {
71        mContext = context;
72    }
73
74    private synchronized IStatusBarService getService() {
75        if (mService == null) {
76            mService = IStatusBarService.Stub.asInterface(
77                    ServiceManager.getService(Context.STATUS_BAR_SERVICE));
78            if (mService == null) {
79                Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
80            }
81        }
82        return mService;
83    }
84
85    /**
86     * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
87     * To re-enable everything, pass {@link #DISABLE_NONE}.
88     */
89    public void disable(int what) {
90        try {
91            final IStatusBarService svc = getService();
92            if (svc != null) {
93                svc.disable(what, mToken, mContext.getPackageName());
94            }
95        } catch (RemoteException ex) {
96            // system process is dead anyway.
97            throw new RuntimeException(ex);
98        }
99    }
100
101    /**
102     * Expand the notifications panel.
103     */
104    public void expandNotificationsPanel() {
105        try {
106            final IStatusBarService svc = getService();
107            if (svc != null) {
108                svc.expandNotificationsPanel();
109            }
110        } catch (RemoteException ex) {
111            // system process is dead anyway.
112            throw new RuntimeException(ex);
113        }
114    }
115
116    /**
117     * Collapse the notifications and settings panels.
118     */
119    public void collapsePanels() {
120        try {
121            final IStatusBarService svc = getService();
122            if (svc != null) {
123                svc.collapsePanels();
124            }
125        } catch (RemoteException ex) {
126            // system process is dead anyway.
127            throw new RuntimeException(ex);
128        }
129    }
130
131    /**
132     * Expand the settings panel.
133     */
134    public void expandSettingsPanel() {
135        try {
136            final IStatusBarService svc = getService();
137            if (svc != null) {
138                svc.expandSettingsPanel();
139            }
140        } catch (RemoteException ex) {
141            // system process is dead anyway.
142            throw new RuntimeException(ex);
143        }
144    }
145
146    public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
147        try {
148            final IStatusBarService svc = getService();
149            if (svc != null) {
150                svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
151                    contentDescription);
152            }
153        } catch (RemoteException ex) {
154            // system process is dead anyway.
155            throw new RuntimeException(ex);
156        }
157    }
158
159    public void removeIcon(String slot) {
160        try {
161            final IStatusBarService svc = getService();
162            if (svc != null) {
163                svc.removeIcon(slot);
164            }
165        } catch (RemoteException ex) {
166            // system process is dead anyway.
167            throw new RuntimeException(ex);
168        }
169    }
170
171    public void setIconVisibility(String slot, boolean visible) {
172        try {
173            final IStatusBarService svc = getService();
174            if (svc != null) {
175                svc.setIconVisibility(slot, visible);
176            }
177        } catch (RemoteException ex) {
178            // system process is dead anyway.
179            throw new RuntimeException(ex);
180        }
181    }
182}
183