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      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 
     18 package android.app;
     19 
     20 import android.content.Context;
     21 import android.os.Binder;
     22 import android.os.RemoteException;
     23 import android.os.IBinder;
     24 import android.os.ServiceManager;
     25 
     26 /**
     27  * Allows an app to control the status bar.
     28  *
     29  * @hide
     30  */
     31 public class StatusBarManager {
     32     /**
     33      * Flag for {@link #disable} to make the status bar not expandable.  Unless you also
     34      * set {@link #DISABLE_NOTIFICATION_ICONS}, new notifications will continue to show.
     35      */
     36     public static final int DISABLE_EXPAND = 0x00000001;
     37 
     38     /**
     39      * Flag for {@link #disable} to hide notification icons and scrolling ticker text.
     40      */
     41     public static final int DISABLE_NOTIFICATION_ICONS = 0x00000002;
     42 
     43     /**
     44      * Flag for {@link #disable} to disable incoming notification alerts.  This will not block
     45      * icons, but it will block sound, vibrating and other visual or aural notifications.
     46      */
     47     public static final int DISABLE_NOTIFICATION_ALERTS = 0x00000004;
     48 
     49     /**
     50      * Flag for {@link #disable} to hide only the scrolling ticker.  Note that
     51      * {@link #DISABLE_NOTIFICATION_ICONS} implies {@link #DISABLE_NOTIFICATION_TICKER}.
     52      */
     53     public static final int DISABLE_NOTIFICATION_TICKER = 0x00000008;
     54 
     55     /**
     56      * Re-enable all of the status bar features that you've disabled.
     57      */
     58     public static final int DISABLE_NONE = 0x00000000;
     59 
     60     private Context mContext;
     61     private IStatusBar mService;
     62     private IBinder mToken = new Binder();
     63 
     64     StatusBarManager(Context context) {
     65         mContext = context;
     66         mService = IStatusBar.Stub.asInterface(
     67                 ServiceManager.getService(Context.STATUS_BAR_SERVICE));
     68     }
     69 
     70     /**
     71      * Disable some features in the status bar.  Pass the bitwise-or of the DISABLE_* flags.
     72      * To re-enable everything, pass {@link #DISABLE_NONE}.
     73      */
     74     public void disable(int what) {
     75         try {
     76             mService.disable(what, mToken, mContext.getPackageName());
     77         } catch (RemoteException ex) {
     78             // system process is dead anyway.
     79             throw new RuntimeException(ex);
     80         }
     81     }
     82 
     83     /**
     84      * Expand the status bar.
     85      */
     86     public void expand() {
     87         try {
     88             mService.activate();
     89         } catch (RemoteException ex) {
     90             // system process is dead anyway.
     91             throw new RuntimeException(ex);
     92         }
     93     }
     94 
     95     /**
     96      * Collapse the status bar.
     97      */
     98     public void collapse() {
     99         try {
    100             mService.deactivate();
    101         } catch (RemoteException ex) {
    102             // system process is dead anyway.
    103             throw new RuntimeException(ex);
    104         }
    105     }
    106 
    107     /**
    108      * Toggle the status bar.
    109      */
    110     public void toggle() {
    111         try {
    112             mService.toggle();
    113         } catch (RemoteException ex) {
    114             // system process is dead anyway.
    115             throw new RuntimeException(ex);
    116         }
    117     }
    118 
    119     public IBinder addIcon(String slot, int iconId, int iconLevel) {
    120         try {
    121             return mService.addIcon(slot, mContext.getPackageName(), iconId, iconLevel);
    122         } catch (RemoteException ex) {
    123             // system process is dead anyway.
    124             throw new RuntimeException(ex);
    125         }
    126     }
    127 
    128     public void updateIcon(IBinder key, String slot, int iconId, int iconLevel) {
    129         try {
    130             mService.updateIcon(key, slot, mContext.getPackageName(), iconId, iconLevel);
    131         } catch (RemoteException ex) {
    132             // system process is dead anyway.
    133             throw new RuntimeException(ex);
    134         }
    135     }
    136 
    137     public void removeIcon(IBinder key) {
    138         try {
    139             mService.removeIcon(key);
    140         } catch (RemoteException ex) {
    141             // system process is dead anyway.
    142             throw new RuntimeException(ex);
    143         }
    144     }
    145 }
    146