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    @Deprecated
42    public static final int DISABLE_NOTIFICATION_TICKER
43            = View.STATUS_BAR_DISABLE_NOTIFICATION_TICKER;
44    public static final int DISABLE_SYSTEM_INFO = View.STATUS_BAR_DISABLE_SYSTEM_INFO;
45    public static final int DISABLE_HOME = View.STATUS_BAR_DISABLE_HOME;
46    public static final int DISABLE_RECENT = View.STATUS_BAR_DISABLE_RECENT;
47    public static final int DISABLE_BACK = View.STATUS_BAR_DISABLE_BACK;
48    public static final int DISABLE_CLOCK = View.STATUS_BAR_DISABLE_CLOCK;
49    public static final int DISABLE_SEARCH = View.STATUS_BAR_DISABLE_SEARCH;
50
51    @Deprecated
52    public static final int DISABLE_NAVIGATION =
53            View.STATUS_BAR_DISABLE_HOME | View.STATUS_BAR_DISABLE_RECENT;
54
55    public static final int DISABLE_NONE = 0x00000000;
56
57    public static final int DISABLE_MASK = DISABLE_EXPAND | DISABLE_NOTIFICATION_ICONS
58            | DISABLE_NOTIFICATION_ALERTS | DISABLE_NOTIFICATION_TICKER
59            | DISABLE_SYSTEM_INFO | DISABLE_RECENT | DISABLE_HOME | DISABLE_BACK | DISABLE_CLOCK
60            | DISABLE_SEARCH;
61
62    public static final int NAVIGATION_HINT_BACK_ALT      = 1 << 0;
63    public static final int NAVIGATION_HINT_IME_SHOWN     = 1 << 1;
64
65    public static final int WINDOW_STATUS_BAR = 1;
66    public static final int WINDOW_NAVIGATION_BAR = 2;
67
68    public static final int WINDOW_STATE_SHOWING = 0;
69    public static final int WINDOW_STATE_HIDING = 1;
70    public static final int WINDOW_STATE_HIDDEN = 2;
71
72    private Context mContext;
73    private IStatusBarService mService;
74    private IBinder mToken = new Binder();
75
76    StatusBarManager(Context context) {
77        mContext = context;
78    }
79
80    private synchronized IStatusBarService getService() {
81        if (mService == null) {
82            mService = IStatusBarService.Stub.asInterface(
83                    ServiceManager.getService(Context.STATUS_BAR_SERVICE));
84            if (mService == null) {
85                Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE");
86            }
87        }
88        return mService;
89    }
90
91    /**
92     * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
93     * To re-enable everything, pass {@link #DISABLE_NONE}.
94     */
95    public void disable(int what) {
96        try {
97            final IStatusBarService svc = getService();
98            if (svc != null) {
99                svc.disable(what, mToken, mContext.getPackageName());
100            }
101        } catch (RemoteException ex) {
102            // system process is dead anyway.
103            throw new RuntimeException(ex);
104        }
105    }
106
107    /**
108     * Expand the notifications panel.
109     */
110    public void expandNotificationsPanel() {
111        try {
112            final IStatusBarService svc = getService();
113            if (svc != null) {
114                svc.expandNotificationsPanel();
115            }
116        } catch (RemoteException ex) {
117            // system process is dead anyway.
118            throw new RuntimeException(ex);
119        }
120    }
121
122    /**
123     * Collapse the notifications and settings panels.
124     */
125    public void collapsePanels() {
126        try {
127            final IStatusBarService svc = getService();
128            if (svc != null) {
129                svc.collapsePanels();
130            }
131        } catch (RemoteException ex) {
132            // system process is dead anyway.
133            throw new RuntimeException(ex);
134        }
135    }
136
137    /**
138     * Expand the settings panel.
139     */
140    public void expandSettingsPanel() {
141        try {
142            final IStatusBarService svc = getService();
143            if (svc != null) {
144                svc.expandSettingsPanel();
145            }
146        } catch (RemoteException ex) {
147            // system process is dead anyway.
148            throw new RuntimeException(ex);
149        }
150    }
151
152    public void setIcon(String slot, int iconId, int iconLevel, String contentDescription) {
153        try {
154            final IStatusBarService svc = getService();
155            if (svc != null) {
156                svc.setIcon(slot, mContext.getPackageName(), iconId, iconLevel,
157                    contentDescription);
158            }
159        } catch (RemoteException ex) {
160            // system process is dead anyway.
161            throw new RuntimeException(ex);
162        }
163    }
164
165    public void removeIcon(String slot) {
166        try {
167            final IStatusBarService svc = getService();
168            if (svc != null) {
169                svc.removeIcon(slot);
170            }
171        } catch (RemoteException ex) {
172            // system process is dead anyway.
173            throw new RuntimeException(ex);
174        }
175    }
176
177    public void setIconVisibility(String slot, boolean visible) {
178        try {
179            final IStatusBarService svc = getService();
180            if (svc != null) {
181                svc.setIconVisibility(slot, visible);
182            }
183        } catch (RemoteException ex) {
184            // system process is dead anyway.
185            throw new RuntimeException(ex);
186        }
187    }
188
189    /** @hide */
190    public static String windowStateToString(int state) {
191        if (state == WINDOW_STATE_HIDING) return "WINDOW_STATE_HIDING";
192        if (state == WINDOW_STATE_HIDDEN) return "WINDOW_STATE_HIDDEN";
193        if (state == WINDOW_STATE_SHOWING) return "WINDOW_STATE_SHOWING";
194        return "WINDOW_STATE_UNKNOWN";
195    }
196}
197