services/java/com/android/server/StatusBarManagerService.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2007 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.server;

 import android.app.StatusBarManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.util.Slog;
 import android.view.View;

 import com.android.internal.statusbar.IStatusBar;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.statusbar.StatusBarIconList;
 import com.android.internal.statusbar.StatusBarNotification;
 import com.android.server.wm.WindowManagerService;

 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;


 /**
  * A note on locking:  We rely on the fact that calls onto mBar are oneway or
  * if they are local, that they just enqueue messages to not deadlock.
  */
 public class StatusBarManagerService extends IStatusBarService.Stub
     implements WindowManagerService.OnHardKeyboardStatusChangeListener
 {
     static final String TAG = "StatusBarManagerService";
     static final boolean SPEW = false;

     final Context mContext;
     final WindowManagerService mWindowManager;
     Handler mHandler = new Handler();
     NotificationCallbacks mNotificationCallbacks;
     volatile IStatusBar mBar;
     StatusBarIconList mIcons = new StatusBarIconList();
     HashMap<IBinder,StatusBarNotification> mNotifications
             = new HashMap<IBinder,StatusBarNotification>();

     // for disabling the status bar
     ArrayList<DisableRecord> mDisableRecords = new ArrayList<DisableRecord>();
     IBinder mSysUiVisToken = new Binder();
     int mDisabled = 0;

     Object mLock = new Object();
     // encompasses lights-out mode and other flags defined on View
     int mSystemUiVisibility = 0;
     boolean mMenuVisible = false;
     int mImeWindowVis = 0;
     int mImeBackDisposition;
     IBinder mImeToken = null;

     private class DisableRecord implements IBinder.DeathRecipient {
         String pkg;
         int what;
         IBinder token;

         public void binderDied() {
             Slog.i(TAG, "binder died for pkg=" + pkg);
             disable(0, token, pkg);
             token.unlinkToDeath(this, 0);
         }
     }

     public interface NotificationCallbacks {
         void onSetDisabled(int status);
         void onClearAll();
         void onNotificationClick(String pkg, String tag, int id);
         void onNotificationClear(String pkg, String tag, int id);
         void onPanelRevealed();
         void onNotificationError(String pkg, String tag, int id,
                 int uid, int initialPid, String message);
     }

     /**
      * Construct the service, add the status bar view to the window manager
      */
     public StatusBarManagerService(Context context, WindowManagerService windowManager) {
         mContext = context;
         mWindowManager = windowManager;
         mWindowManager.setOnHardKeyboardStatusChangeListener(this);

         final Resources res = context.getResources();
         mIcons.defineSlots(res.getStringArray(com.android.internal.R.array.config_statusBarIcons));
     }

     public void setNotificationCallbacks(NotificationCallbacks listener) {
         mNotificationCallbacks = listener;
     }

     // ================================================================================
     // From IStatusBarService
     // ================================================================================
     public void expand() {
         enforceExpandStatusBar();

         if (mBar != null) {
             try {
                 mBar.animateExpand();
             } catch (RemoteException ex) {
             }
         }
     }

     public void collapse() {
         enforceExpandStatusBar();

         if (mBar != null) {
             try {
                 mBar.animateCollapse();
             } catch (RemoteException ex) {
             }
         }
     }

     public void disable(int what, IBinder token, String pkg) {
         enforceStatusBar();

         synchronized (mLock) {
             disableLocked(what, token, pkg);
         }
     }

     private void disableLocked(int what, IBinder token, String pkg) {
         // It's important that the the callback and the call to mBar get done
         // in the same order when multiple threads are calling this function
         // so they are paired correctly.  The messages on the handler will be
         // handled in the order they were enqueued, but will be outside the lock.
         manageDisableListLocked(what, token, pkg);
         final int net = gatherDisableActionsLocked();
         if (net != mDisabled) {
             mDisabled = net;
             mHandler.post(new Runnable() {
                     public void run() {
                         mNotificationCallbacks.onSetDisabled(net);
                     }
                 });
             if (mBar != null) {
                 try {
                     mBar.disable(net);
                 } catch (RemoteException ex) {
                 }
             }
         }
     }

     public void setIcon(String slot, String iconPackage, int iconId, int iconLevel,
             String contentDescription) {
         enforceStatusBar();

         synchronized (mIcons) {
             int index = mIcons.getSlotIndex(slot);
             if (index < 0) {
                 throw new SecurityException("invalid status bar icon slot: " + slot);
             }

             StatusBarIcon icon = new StatusBarIcon(iconPackage, iconId, iconLevel, 0,
                     contentDescription);
             //Slog.d(TAG, "setIcon slot=" + slot + " index=" + index + " icon=" + icon);
             mIcons.setIcon(index, icon);

             if (mBar != null) {
                 try {
                     mBar.setIcon(index, icon);
                 } catch (RemoteException ex) {
                 }
             }
         }
     }

     public void setIconVisibility(String slot, boolean visible) {
         enforceStatusBar();

         synchronized (mIcons) {
             int index = mIcons.getSlotIndex(slot);
             if (index < 0) {
                 throw new SecurityException("invalid status bar icon slot: " + slot);
             }

             StatusBarIcon icon = mIcons.getIcon(index);
             if (icon == null) {
                 return;
             }

             if (icon.visible != visible) {
                 icon.visible = visible;

                 if (mBar != null) {
                     try {
                         mBar.setIcon(index, icon);
                     } catch (RemoteException ex) {
                     }
                 }
             }
         }
     }

     public void removeIcon(String slot) {
         enforceStatusBar();

         synchronized (mIcons) {
             int index = mIcons.getSlotIndex(slot);
             if (index < 0) {
                 throw new SecurityException("invalid status bar icon slot: " + slot);
             }

             mIcons.removeIcon(index);

             if (mBar != null) {
                 try {
                     mBar.removeIcon(index);
                 } catch (RemoteException ex) {
                 }
             }
         }
     }

     /**
      * Hide or show the on-screen Menu key. Only call this from the window manager, typically in
      * response to a window with FLAG_NEEDS_MENU_KEY set.
      */
     public void topAppWindowChanged(final boolean menuVisible) {
         enforceStatusBar();

         if (SPEW) Slog.d(TAG, (menuVisible?"showing":"hiding") + " MENU key");

         synchronized(mLock) {
             mMenuVisible = menuVisible;
             mHandler.post(new Runnable() {
                     public void run() {
                         if (mBar != null) {
                             try {
                                 mBar.topAppWindowChanged(menuVisible);
                             } catch (RemoteException ex) {
                             }
                         }
                     }
                 });
         }
     }

     public void setImeWindowStatus(final IBinder token, final int vis, final int backDisposition) {
         enforceStatusBar();

         if (SPEW) {
             Slog.d(TAG, "swetImeWindowStatus vis=" + vis + " backDisposition=" + backDisposition);
         }

         synchronized(mLock) {
             // In case of IME change, we need to call up setImeWindowStatus() regardless of
             // mImeWindowVis because mImeWindowVis may not have been set to false when the
             // previous IME was destroyed.
             mImeWindowVis = vis;
             mImeBackDisposition = backDisposition;
             mImeToken = token;
             mHandler.post(new Runnable() {
                 public void run() {
                     if (mBar != null) {
                         try {
                             mBar.setImeWindowStatus(token, vis, backDisposition);
                         } catch (RemoteException ex) {
                         }
                     }
                 }
             });
         }
     }

     public void setSystemUiVisibility(int vis) {
         // also allows calls from window manager which is in this process.
         enforceStatusBarService();

         if (SPEW) Slog.d(TAG, "setSystemUiVisibility(0x" + Integer.toHexString(vis) + ")");

         synchronized (mLock) {
             updateUiVisibilityLocked(vis);
             disableLocked(vis & StatusBarManager.DISABLE_MASK, mSysUiVisToken,
                     "WindowManager.LayoutParams");
         }
     }

     private void updateUiVisibilityLocked(final int vis) {
         if (mSystemUiVisibility != vis) {
             mSystemUiVisibility = vis;
             mHandler.post(new Runnable() {
                     public void run() {
                         if (mBar != null) {
                             try {
                                 mBar.setSystemUiVisibility(vis);
                             } catch (RemoteException ex) {
                             }
                         }
                     }
                 });
         }
     }

     public void setHardKeyboardEnabled(final boolean enabled) {
         mHandler.post(new Runnable() {
             public void run() {
                 mWindowManager.setHardKeyboardEnabled(enabled);
             }
         });
     }

     @Override
     public void onHardKeyboardStatusChange(final boolean available, final boolean enabled) {
         mHandler.post(new Runnable() {
             public void run() {
                 if (mBar != null) {
                     try {
                         mBar.setHardKeyboardStatus(available, enabled);
                     } catch (RemoteException ex) {
                     }
                 }
             }
         });
     }

     @Override
     public void toggleRecentApps() {
         if (mBar != null) {
             try {
                 mBar.toggleRecentApps();
             } catch (RemoteException ex) {}
         }
     }

     private void enforceStatusBar() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR,
                 "StatusBarManagerService");
     }

     private void enforceExpandStatusBar() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.EXPAND_STATUS_BAR,
                 "StatusBarManagerService");
     }

     private void enforceStatusBarService() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE,
                 "StatusBarManagerService");
     }

     // ================================================================================
     // Callbacks from the status bar service.
     // ================================================================================
     public void registerStatusBar(IStatusBar bar, StatusBarIconList iconList,
             List<IBinder> notificationKeys, List<StatusBarNotification> notifications,
             int switches[], List<IBinder> binders) {
         enforceStatusBarService();

         Slog.i(TAG, "registerStatusBar bar=" + bar);
         mBar = bar;
         synchronized (mIcons) {
             iconList.copyFrom(mIcons);
         }
         synchronized (mNotifications) {
             for (Map.Entry<IBinder,StatusBarNotification> e: mNotifications.entrySet()) {
                 notificationKeys.add(e.getKey());
                 notifications.add(e.getValue());
             }
         }
         synchronized (mLock) {
             switches[0] = gatherDisableActionsLocked();
             switches[1] = mSystemUiVisibility;
             switches[2] = mMenuVisible ? 1 : 0;
             switches[3] = mImeWindowVis;
             switches[4] = mImeBackDisposition;
             binders.add(mImeToken);
         }
         switches[5] = mWindowManager.isHardKeyboardAvailable() ? 1 : 0;
         switches[6] = mWindowManager.isHardKeyboardEnabled() ? 1 : 0;
     }

     /**
      * The status bar service should call this each time the user brings the panel from
      * invisible to visible in order to clear the notification light.
      */
     public void onPanelRevealed() {
         enforceStatusBarService();

         // tell the notification manager to turn off the lights.
         mNotificationCallbacks.onPanelRevealed();
     }

     public void onNotificationClick(String pkg, String tag, int id) {
         enforceStatusBarService();

         mNotificationCallbacks.onNotificationClick(pkg, tag, id);
     }

     public void onNotificationError(String pkg, String tag, int id,
             int uid, int initialPid, String message) {
         enforceStatusBarService();

         // WARNING: this will call back into us to do the remove.  Don't hold any locks.
         mNotificationCallbacks.onNotificationError(pkg, tag, id, uid, initialPid, message);
     }

     public void onNotificationClear(String pkg, String tag, int id) {
         enforceStatusBarService();

         mNotificationCallbacks.onNotificationClear(pkg, tag, id);
     }

     public void onClearAllNotifications() {
         enforceStatusBarService();

         mNotificationCallbacks.onClearAll();
     }

     // ================================================================================
     // Callbacks for NotificationManagerService.
     // ================================================================================
     public IBinder addNotification(StatusBarNotification notification) {
         synchronized (mNotifications) {
             IBinder key = new Binder();
             mNotifications.put(key, notification);
             if (mBar != null) {
                 try {
                     mBar.addNotification(key, notification);
                 } catch (RemoteException ex) {
                 }
             }
             return key;
         }
     }

     public void updateNotification(IBinder key, StatusBarNotification notification) {
         synchronized (mNotifications) {
             if (!mNotifications.containsKey(key)) {
                 throw new IllegalArgumentException("updateNotification key not found: " + key);
             }
             mNotifications.put(key, notification);
             if (mBar != null) {
                 try {
                     mBar.updateNotification(key, notification);
                 } catch (RemoteException ex) {
                 }
             }
         }
     }

     public void removeNotification(IBinder key) {
         synchronized (mNotifications) {
             final StatusBarNotification n = mNotifications.remove(key);
             if (n == null) {
                 throw new IllegalArgumentException("removeNotification key not found: " + key);
             }
             if (mBar != null) {
                 try {
                     mBar.removeNotification(key);
                 } catch (RemoteException ex) {
                 }
             }
         }
     }

     // ================================================================================
     // Can be called from any thread
     // ================================================================================

     // lock on mDisableRecords
     void manageDisableListLocked(int what, IBinder token, String pkg) {
         if (SPEW) {
             Slog.d(TAG, "manageDisableList what=0x" + Integer.toHexString(what) + " pkg=" + pkg);
         }
         // update the list
         final int N = mDisableRecords.size();
         DisableRecord tok = null;
         int i;
         for (i=0; i<N; i++) {
             DisableRecord t = mDisableRecords.get(i);
             if (t.token == token) {
                 tok = t;
                 break;
             }
         }
         if (what == 0 || !token.isBinderAlive()) {
             if (tok != null) {
                 mDisableRecords.remove(i);
                 tok.token.unlinkToDeath(tok, 0);
             }
         } else {
             if (tok == null) {
                 tok = new DisableRecord();
                 try {
                     token.linkToDeath(tok, 0);
                 }
                 catch (RemoteException ex) {
                     return; // give up
                 }
                 mDisableRecords.add(tok);
             }
             tok.what = what;
             tok.token = token;
             tok.pkg = pkg;
         }
     }

     // lock on mDisableRecords
     int gatherDisableActionsLocked() {
         final int N = mDisableRecords.size();
         // gather the new net flags
         int net = 0;
         for (int i=0; i<N; i++) {
             net |= mDisableRecords.get(i).what;
         }
         return net;
     }

     // ================================================================================
     // Always called from UI thread
     // ================================================================================

     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
                 != PackageManager.PERMISSION_GRANTED) {
             pw.println("Permission Denial: can't dump StatusBar from from pid="
                     + Binder.getCallingPid()
                     + ", uid=" + Binder.getCallingUid());
             return;
         }

         synchronized (mIcons) {
             mIcons.dump(pw);
         }

         synchronized (mNotifications) {
             int i=0;
             pw.println("Notification list:");
             for (Map.Entry<IBinder,StatusBarNotification> e: mNotifications.entrySet()) {
                 pw.printf("  %2d: %s\n", i, e.getValue().toString());
                 i++;
             }
         }

         synchronized (mLock) {
             final int N = mDisableRecords.size();
             pw.println("  mDisableRecords.size=" + N
                     + " mDisabled=0x" + Integer.toHexString(mDisabled));
             for (int i=0; i<N; i++) {
                 DisableRecord tok = mDisableRecords.get(i);
                 pw.println("    [" + i + "] what=0x" + Integer.toHexString(tok.what)
                                 + " pkg=" + tok.pkg + " token=" + tok.token);
             }
         }
     }

     private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
             if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)
                     || Intent.ACTION_SCREEN_OFF.equals(action)) {
                 collapse();
             }
             /*
             else if (Telephony.Intents.SPN_STRINGS_UPDATED_ACTION.equals(action)) {
                 updateNetworkName(intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_SPN, false),
                         intent.getStringExtra(Telephony.Intents.EXTRA_SPN),
                         intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_PLMN, false),
                         intent.getStringExtra(Telephony.Intents.EXTRA_PLMN));
             }
             else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) {
                 updateResources();
             }
             */
         }
     };

 }
	/*
	* Copyright (C) 2007 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.server;

	import android.app.StatusBarManager;
	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.PackageManager;
	import android.content.res.Resources;
	import android.os.Binder;
	import android.os.Handler;
	import android.os.IBinder;
	import android.os.RemoteException;
	import android.util.Slog;
	import android.view.View;

	import com.android.internal.statusbar.IStatusBar;
	import com.android.internal.statusbar.IStatusBarService;
	import com.android.internal.statusbar.StatusBarIcon;
	import com.android.internal.statusbar.StatusBarIconList;
	import com.android.internal.statusbar.StatusBarNotification;
	import com.android.server.wm.WindowManagerService;

	import java.io.FileDescriptor;
	import java.io.PrintWriter;
	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;


	/**
	* A note on locking: We rely on the fact that calls onto mBar are oneway or
	* if they are local, that they just enqueue messages to not deadlock.
	*/
	public class StatusBarManagerService extends IStatusBarService.Stub
	implements WindowManagerService.OnHardKeyboardStatusChangeListener
	{
	static final String TAG = "StatusBarManagerService";
	static final boolean SPEW = false;

	final Context mContext;
	final WindowManagerService mWindowManager;
	Handler mHandler = new Handler();
	NotificationCallbacks mNotificationCallbacks;
	volatile IStatusBar mBar;
	StatusBarIconList mIcons = new StatusBarIconList();
	HashMap<IBinder,StatusBarNotification> mNotifications
	= new HashMap<IBinder,StatusBarNotification>();

	// for disabling the status bar
	ArrayList<DisableRecord> mDisableRecords = new ArrayList<DisableRecord>();
	IBinder mSysUiVisToken = new Binder();
	int mDisabled = 0;

	Object mLock = new Object();
	// encompasses lights-out mode and other flags defined on View
	int mSystemUiVisibility = 0;
	boolean mMenuVisible = false;
	int mImeWindowVis = 0;
	int mImeBackDisposition;
	IBinder mImeToken = null;

	private class DisableRecord implements IBinder.DeathRecipient {
	String pkg;
	int what;
	IBinder token;

	public void binderDied() {
	Slog.i(TAG, "binder died for pkg=" + pkg);
	disable(0, token, pkg);
	token.unlinkToDeath(this, 0);
	}
	}

	public interface NotificationCallbacks {
	void onSetDisabled(int status);
	void onClearAll();
	void onNotificationClick(String pkg, String tag, int id);
	void onNotificationClear(String pkg, String tag, int id);
	void onPanelRevealed();
	void onNotificationError(String pkg, String tag, int id,
	int uid, int initialPid, String message);
	}

	/**
	* Construct the service, add the status bar view to the window manager
	*/
	public StatusBarManagerService(Context context, WindowManagerService windowManager) {
	mContext = context;
	mWindowManager = windowManager;
	mWindowManager.setOnHardKeyboardStatusChangeListener(this);

	final Resources res = context.getResources();
	mIcons.defineSlots(res.getStringArray(com.android.internal.R.array.config_statusBarIcons));
	}

	public void setNotificationCallbacks(NotificationCallbacks listener) {
	mNotificationCallbacks = listener;
	}

	// ================================================================================
	// From IStatusBarService
	// ================================================================================
	public void expand() {
	enforceExpandStatusBar();

	if (mBar != null) {
	try {
	mBar.animateExpand();
	} catch (RemoteException ex) {
	}
	}
	}

	public void collapse() {
	enforceExpandStatusBar();

	if (mBar != null) {
	try {
	mBar.animateCollapse();
	} catch (RemoteException ex) {
	}
	}
	}

	public void disable(int what, IBinder token, String pkg) {
	enforceStatusBar();

	synchronized (mLock) {
	disableLocked(what, token, pkg);
	}
	}

	private void disableLocked(int what, IBinder token, String pkg) {
	// It's important that the the callback and the call to mBar get done
	// in the same order when multiple threads are calling this function
	// so they are paired correctly. The messages on the handler will be
	// handled in the order they were enqueued, but will be outside the lock.
	manageDisableListLocked(what, token, pkg);
	final int net = gatherDisableActionsLocked();
	if (net != mDisabled) {
	mDisabled = net;
	mHandler.post(new Runnable() {
	public void run() {
	mNotificationCallbacks.onSetDisabled(net);
	}
	});
	if (mBar != null) {
	try {
	mBar.disable(net);
	} catch (RemoteException ex) {
	}
	}
	}
	}

	public void setIcon(String slot, String iconPackage, int iconId, int iconLevel,
	String contentDescription) {
	enforceStatusBar();

	synchronized (mIcons) {
	int index = mIcons.getSlotIndex(slot);
	if (index < 0) {
	throw new SecurityException("invalid status bar icon slot: " + slot);
	}

	StatusBarIcon icon = new StatusBarIcon(iconPackage, iconId, iconLevel, 0,
	contentDescription);
	//Slog.d(TAG, "setIcon slot=" + slot + " index=" + index + " icon=" + icon);
	mIcons.setIcon(index, icon);

	if (mBar != null) {
	try {
	mBar.setIcon(index, icon);
	} catch (RemoteException ex) {
	}
	}
	}
	}

	public void setIconVisibility(String slot, boolean visible) {
	enforceStatusBar();

	synchronized (mIcons) {
	int index = mIcons.getSlotIndex(slot);
	if (index < 0) {
	throw new SecurityException("invalid status bar icon slot: " + slot);
	}

	StatusBarIcon icon = mIcons.getIcon(index);
	if (icon == null) {
	return;
	}

	if (icon.visible != visible) {
	icon.visible = visible;

	if (mBar != null) {
	try {
	mBar.setIcon(index, icon);
	} catch (RemoteException ex) {
	}
	}
	}
	}
	}

	public void removeIcon(String slot) {
	enforceStatusBar();

	synchronized (mIcons) {
	int index = mIcons.getSlotIndex(slot);
	if (index < 0) {
	throw new SecurityException("invalid status bar icon slot: " + slot);
	}

	mIcons.removeIcon(index);

	if (mBar != null) {
	try {
	mBar.removeIcon(index);
	} catch (RemoteException ex) {
	}
	}
	}
	}

	/**
	* Hide or show the on-screen Menu key. Only call this from the window manager, typically in
	* response to a window with FLAG_NEEDS_MENU_KEY set.
	*/
	public void topAppWindowChanged(final boolean menuVisible) {
	enforceStatusBar();

	if (SPEW) Slog.d(TAG, (menuVisible?"showing":"hiding") + " MENU key");

	synchronized(mLock) {
	mMenuVisible = menuVisible;
	mHandler.post(new Runnable() {
	public void run() {
	if (mBar != null) {
	try {
	mBar.topAppWindowChanged(menuVisible);
	} catch (RemoteException ex) {
	}
	}
	}
	});
	}
	}

	public void setImeWindowStatus(final IBinder token, final int vis, final int backDisposition) {
	enforceStatusBar();

	if (SPEW) {
	Slog.d(TAG, "swetImeWindowStatus vis=" + vis + " backDisposition=" + backDisposition);
	}

	synchronized(mLock) {
	// In case of IME change, we need to call up setImeWindowStatus() regardless of
	// mImeWindowVis because mImeWindowVis may not have been set to false when the
	// previous IME was destroyed.
	mImeWindowVis = vis;
	mImeBackDisposition = backDisposition;
	mImeToken = token;
	mHandler.post(new Runnable() {
	public void run() {
	if (mBar != null) {
	try {
	mBar.setImeWindowStatus(token, vis, backDisposition);
	} catch (RemoteException ex) {
	}
	}
	}
	});
	}
	}

	public void setSystemUiVisibility(int vis) {
	// also allows calls from window manager which is in this process.
	enforceStatusBarService();

	if (SPEW) Slog.d(TAG, "setSystemUiVisibility(0x" + Integer.toHexString(vis) + ")");

	synchronized (mLock) {
	updateUiVisibilityLocked(vis);
	disableLocked(vis & StatusBarManager.DISABLE_MASK, mSysUiVisToken,
	"WindowManager.LayoutParams");
	}
	}

	private void updateUiVisibilityLocked(final int vis) {
	if (mSystemUiVisibility != vis) {
	mSystemUiVisibility = vis;
	mHandler.post(new Runnable() {
	public void run() {
	if (mBar != null) {
	try {
	mBar.setSystemUiVisibility(vis);
	} catch (RemoteException ex) {
	}
	}
	}
	});
	}
	}

	public void setHardKeyboardEnabled(final boolean enabled) {
	mHandler.post(new Runnable() {
	public void run() {
	mWindowManager.setHardKeyboardEnabled(enabled);
	}
	});
	}

	@Override
	public void onHardKeyboardStatusChange(final boolean available, final boolean enabled) {
	mHandler.post(new Runnable() {
	public void run() {
	if (mBar != null) {
	try {
	mBar.setHardKeyboardStatus(available, enabled);
	} catch (RemoteException ex) {
	}
	}
	}
	});
	}

	@Override
	public void toggleRecentApps() {
	if (mBar != null) {
	try {
	mBar.toggleRecentApps();
	} catch (RemoteException ex) {}
	}
	}

	private void enforceStatusBar() {
	mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR,
	"StatusBarManagerService");
	}

	private void enforceExpandStatusBar() {
	mContext.enforceCallingOrSelfPermission(android.Manifest.permission.EXPAND_STATUS_BAR,
	"StatusBarManagerService");
	}

	private void enforceStatusBarService() {
	mContext.enforceCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE,
	"StatusBarManagerService");
	}

	// ================================================================================
	// Callbacks from the status bar service.
	// ================================================================================
	public void registerStatusBar(IStatusBar bar, StatusBarIconList iconList,
	List<IBinder> notificationKeys, List<StatusBarNotification> notifications,
	int switches[], List<IBinder> binders) {
	enforceStatusBarService();

	Slog.i(TAG, "registerStatusBar bar=" + bar);
	mBar = bar;
	synchronized (mIcons) {
	iconList.copyFrom(mIcons);
	}
	synchronized (mNotifications) {
	for (Map.Entry<IBinder,StatusBarNotification> e: mNotifications.entrySet()) {
	notificationKeys.add(e.getKey());
	notifications.add(e.getValue());
	}
	}
	synchronized (mLock) {
	switches[0] = gatherDisableActionsLocked();
	switches[1] = mSystemUiVisibility;
	switches[2] = mMenuVisible ? 1 : 0;
	switches[3] = mImeWindowVis;
	switches[4] = mImeBackDisposition;
	binders.add(mImeToken);
	}
	switches[5] = mWindowManager.isHardKeyboardAvailable() ? 1 : 0;
	switches[6] = mWindowManager.isHardKeyboardEnabled() ? 1 : 0;
	}

	/**
	* The status bar service should call this each time the user brings the panel from
	* invisible to visible in order to clear the notification light.
	*/
	public void onPanelRevealed() {
	enforceStatusBarService();

	// tell the notification manager to turn off the lights.
	mNotificationCallbacks.onPanelRevealed();
	}

	public void onNotificationClick(String pkg, String tag, int id) {
	enforceStatusBarService();

	mNotificationCallbacks.onNotificationClick(pkg, tag, id);
	}

	public void onNotificationError(String pkg, String tag, int id,
	int uid, int initialPid, String message) {
	enforceStatusBarService();

	// WARNING: this will call back into us to do the remove. Don't hold any locks.
	mNotificationCallbacks.onNotificationError(pkg, tag, id, uid, initialPid, message);
	}

	public void onNotificationClear(String pkg, String tag, int id) {
	enforceStatusBarService();

	mNotificationCallbacks.onNotificationClear(pkg, tag, id);
	}

	public void onClearAllNotifications() {
	enforceStatusBarService();

	mNotificationCallbacks.onClearAll();
	}

	// ================================================================================
	// Callbacks for NotificationManagerService.
	// ================================================================================
	public IBinder addNotification(StatusBarNotification notification) {
	synchronized (mNotifications) {
	IBinder key = new Binder();
	mNotifications.put(key, notification);
	if (mBar != null) {
	try {
	mBar.addNotification(key, notification);
	} catch (RemoteException ex) {
	}
	}
	return key;
	}
	}

	public void updateNotification(IBinder key, StatusBarNotification notification) {
	synchronized (mNotifications) {
	if (!mNotifications.containsKey(key)) {
	throw new IllegalArgumentException("updateNotification key not found: " + key);
	}
	mNotifications.put(key, notification);
	if (mBar != null) {
	try {
	mBar.updateNotification(key, notification);
	} catch (RemoteException ex) {
	}
	}
	}
	}

	public void removeNotification(IBinder key) {
	synchronized (mNotifications) {
	final StatusBarNotification n = mNotifications.remove(key);
	if (n == null) {
	throw new IllegalArgumentException("removeNotification key not found: " + key);
	}
	if (mBar != null) {
	try {
	mBar.removeNotification(key);
	} catch (RemoteException ex) {
	}
	}
	}
	}

	// ================================================================================
	// Can be called from any thread
	// ================================================================================

	// lock on mDisableRecords
	void manageDisableListLocked(int what, IBinder token, String pkg) {
	if (SPEW) {
	Slog.d(TAG, "manageDisableList what=0x" + Integer.toHexString(what) + " pkg=" + pkg);
	}
	// update the list
	final int N = mDisableRecords.size();
	DisableRecord tok = null;
	int i;
	for (i=0; i<N; i++) {
	DisableRecord t = mDisableRecords.get(i);
	if (t.token == token) {
	tok = t;
	break;
	}
	}
	if (what == 0 \|\| !token.isBinderAlive()) {
	if (tok != null) {
	mDisableRecords.remove(i);
	tok.token.unlinkToDeath(tok, 0);
	}
	} else {
	if (tok == null) {
	tok = new DisableRecord();
	try {
	token.linkToDeath(tok, 0);
	}
	catch (RemoteException ex) {
	return; // give up
	}
	mDisableRecords.add(tok);
	}
	tok.what = what;
	tok.token = token;
	tok.pkg = pkg;
	}
	}

	// lock on mDisableRecords
	int gatherDisableActionsLocked() {
	final int N = mDisableRecords.size();
	// gather the new net flags
	int net = 0;
	for (int i=0; i<N; i++) {
	net \|= mDisableRecords.get(i).what;
	}
	return net;
	}

	// ================================================================================
	// Always called from UI thread
	// ================================================================================

	protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
	if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
	!= PackageManager.PERMISSION_GRANTED) {
	pw.println("Permission Denial: can't dump StatusBar from from pid="
	+ Binder.getCallingPid()
	+ ", uid=" + Binder.getCallingUid());
	return;
	}

	synchronized (mIcons) {
	mIcons.dump(pw);
	}

	synchronized (mNotifications) {
	int i=0;
	pw.println("Notification list:");
	for (Map.Entry<IBinder,StatusBarNotification> e: mNotifications.entrySet()) {
	pw.printf(" %2d: %s\n", i, e.getValue().toString());
	i++;
	}
	}

	synchronized (mLock) {
	final int N = mDisableRecords.size();
	pw.println(" mDisableRecords.size=" + N
	+ " mDisabled=0x" + Integer.toHexString(mDisabled));
	for (int i=0; i<N; i++) {
	DisableRecord tok = mDisableRecords.get(i);
	pw.println(" [" + i + "] what=0x" + Integer.toHexString(tok.what)
	+ " pkg=" + tok.pkg + " token=" + tok.token);
	}
	}
	}

	private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
	public void onReceive(Context context, Intent intent) {
	String action = intent.getAction();
	if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)
	\|\| Intent.ACTION_SCREEN_OFF.equals(action)) {
	collapse();
	}
	/*
	else if (Telephony.Intents.SPN_STRINGS_UPDATED_ACTION.equals(action)) {
	updateNetworkName(intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_SPN, false),
	intent.getStringExtra(Telephony.Intents.EXTRA_SPN),
	intent.getBooleanExtra(Telephony.Intents.EXTRA_SHOW_PLMN, false),
	intent.getStringExtra(Telephony.Intents.EXTRA_PLMN));
	}
	else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) {
	updateResources();
	}
	*/
	}
	};

	}