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    public static final int WINDOW_STATUS_BAR = 1;
67    public static final int WINDOW_NAVIGATION_BAR = 2;
68
69    public static final int WINDOW_STATE_SHOWING = 0;
70    public static final int WINDOW_STATE_HIDING = 1;
71    public static final int WINDOW_STATE_HIDDEN = 2;
72
73    private Context mContext;
74    private IStatusBarService mService;
75    private IBinder mToken = new Binder();
76
77    StatusBarManager(Context context) {
78        mContext = context;
79    }
80
81    private synchronized IStatusBarService getService() {
82        if (mService == null) {
83            mService = IStatusBarService.Stub.asInterface(
84                    ServiceManager.getService(Context.STATUS_BAR_SERVICE));
85            if (mService == null) {
86                Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
87            }
88        }
89        return mService;
90    }
91
92    /**
93     * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
94     * To re-enable everything, pass {@link #DISABLE_NONE}.
95     */
96    public void disable(int what) {
97        try {
98            final IStatusBarService svc = getService();
99            if (svc != null) {
100                svc.disable(what, mToken, mContext.getPackageName());
101            }
102        } catch (RemoteException ex) {
103            // system process is dead anyway.
104            throw new RuntimeException(ex);
105        }
106    }
107
108    /**
109     * Expand the notifications panel.
110     */
111    public void expandNotificationsPanel() {
112        try {
113            final IStatusBarService svc = getService();
114            if (svc != null) {
115                svc.expandNotificationsPanel();
116            }
117        } catch (RemoteException ex) {
118            // system process is dead anyway.
119            throw new RuntimeException(ex);
120        }
121    }
122
123    /**
124     * Collapse the notifications and settings panels.
125     */
126    public void collapsePanels() {
127        try {
128            final IStatusBarService svc = getService();
129            if (svc != null) {
130                svc.collapsePanels();
131            }
132        } catch (RemoteException ex) {
133            // system process is dead anyway.
134            throw new RuntimeException(ex);
135        }
136    }
137
138    /**
139     * Expand the settings panel.
140     */
141    public void expandSettingsPanel() {
142        try {
143            final IStatusBarService svc = getService();
144            if (svc != null) {
145                svc.expandSettingsPanel();
146            }
147        } catch (RemoteException ex) {
148            // system process is dead anyway.
149            throw new RuntimeException(ex);
150        }
151    }
152
153    public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
154        try {
155            final IStatusBarService svc = getService();
156            if (svc != null) {
157                svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
158                    contentDescription);
159            }
160        } catch (RemoteException ex) {
161            // system process is dead anyway.
162            throw new RuntimeException(ex);
163        }
164    }
165
166    public void removeIcon(String slot) {
167        try {
168            final IStatusBarService svc = getService();
169            if (svc != null) {
170                svc.removeIcon(slot);
171            }
172        } catch (RemoteException ex) {
173            // system process is dead anyway.
174            throw new RuntimeException(ex);
175        }
176    }
177
178    public void setIconVisibility(String slot, boolean visible) {
179        try {
180            final IStatusBarService svc = getService();
181            if (svc != null) {
182                svc.setIconVisibility(slot, visible);
183            }
184        } catch (RemoteException ex) {
185            // system process is dead anyway.
186            throw new RuntimeException(ex);
187        }
188    }
189
190    /** @hide */
191    public static String windowStateToString(int state) {
192        if (state == WINDOW_STATE_HIDING) return "WINDOW_STATE_HIDING";
193        if (state == WINDOW_STATE_HIDDEN) return "WINDOW_STATE_HIDDEN";
194        if (state == WINDOW_STATE_SHOWING) return "WINDOW_STATE_SHOWING";
195        return "WINDOW_STATE_UNKNOWN";
196    }
197}
198