/*
* 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.service.notification.StatusBarNotification;
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.os.UserHandle;
import android.util.Slog;
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.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
final 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;
int mCurrentUserId;
private class DisableRecord implements IBinder.DeathRecipient {
int userId;
String pkg;
int what;
IBinder token;
public void binderDied() {
Slog.i(TAG, "binder died for pkg=" + pkg);
disableInternal(userId, 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 expandNotificationsPanel() {
enforceExpandStatusBar();
if (mBar != null) {
try {
mBar.animateExpandNotificationsPanel();
} catch (RemoteException ex) {
}
}
}
public void collapsePanels() {
enforceExpandStatusBar();
if (mBar != null) {
try {
mBar.animateCollapsePanels();
} catch (RemoteException ex) {
}
}
}
public void expandSettingsPanel() {
enforceExpandStatusBar();
if (mBar != null) {
try {
mBar.animateExpandSettingsPanel();
} catch (RemoteException ex) {
}
}
}
public void disable(int what, IBinder token, String pkg) {
disableInternal(mCurrentUserId, what, token, pkg);
}
private void disableInternal(int userId, int what, IBinder token, String pkg) {
enforceStatusBar();
synchronized (mLock) {
disableLocked(userId, what, token, pkg);
}
}
private void disableLocked(int userId, 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(userId, what, token, pkg);
// Ensure state for the current user is applied, even if passed a non-current user.
final int net = gatherDisableActionsLocked(mCurrentUserId);
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, UserHandle.OWNER, 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, int mask) {
// 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, mask);
disableLocked(
mCurrentUserId,
vis & StatusBarManager.DISABLE_MASK,
mSysUiVisToken,
"WindowManager.LayoutParams");
}
}
private void updateUiVisibilityLocked(final int vis, final int mask) {
if (mSystemUiVisibility != vis) {
mSystemUiVisibility = vis;
mHandler.post(new Runnable() {
public void run() {
if (mBar != null) {
try {
mBar.setSystemUiVisibility(vis, mask);
} 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) {}
}
}
@Override
public void preloadRecentApps() {
if (mBar != null) {
try {
mBar.preloadRecentApps();
} catch (RemoteException ex) {}
}
}
@Override
public void cancelPreloadRecentApps() {
if (mBar != null) {
try {
mBar.cancelPreloadRecentApps();
} catch (RemoteException ex) {}
}
}
@Override
public void setCurrentUser(int newUserId) {
if (SPEW) Slog.d(TAG, "Setting current user to user " + newUserId);
mCurrentUserId = newUserId;
}
@Override
public void setWindowState(int window, int state) {
if (mBar != null) {
try {
mBar.setWindowState(window, state);
} 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(mCurrentUserId);
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) {
Slog.e(TAG, "removeNotification key not found: " + key);
return;
}
if (mBar != null) {
try {
mBar.removeNotification(key);
} catch (RemoteException ex) {
}
}
}
}
// ================================================================================
// Can be called from any thread
// ================================================================================
// lock on mDisableRecords
void manageDisableListLocked(int userId, int what, IBinder token, String pkg) {
if (SPEW) {
Slog.d(TAG, "manageDisableList userId=" + userId
+ " 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 && t.userId == userId) {
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();
tok.userId = userId;
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(int userId) {
final int N = mDisableRecords.size();
// gather the new net flags
int net = 0;
for (int i=0; i<N; i++) {
final DisableRecord rec = mDisableRecords.get(i);
if (rec.userId == userId) {
net |= rec.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) {
pw.println(" mDisabled=0x" + Integer.toHexString(mDisabled));
final int N = mDisableRecords.size();
pw.println(" mDisableRecords.size=" + N);
for (int i=0; i<N; i++) {
DisableRecord tok = mDisableRecords.get(i);
pw.println(" [" + i + "] userId=" + tok.userId
+ " 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)) {
collapsePanels();
}
/*
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();
}
*/
}
};
}