| /* |
| * 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.statusbar; |
| |
| import android.app.StatusBarManager; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.service.notification.StatusBarNotification; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| 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.LocalServices; |
| import com.android.server.notification.NotificationDelegate; |
| 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 { |
| private static final String TAG = "StatusBarManagerService"; |
| private static final boolean SPEW = false; |
| |
| private final Context mContext; |
| private final WindowManagerService mWindowManager; |
| private Handler mHandler = new Handler(); |
| private NotificationDelegate mNotificationDelegate; |
| private volatile IStatusBar mBar; |
| private StatusBarIconList mIcons = new StatusBarIconList(); |
| |
| // for disabling the status bar |
| private final ArrayList<DisableRecord> mDisableRecords = new ArrayList<DisableRecord>(); |
| private IBinder mSysUiVisToken = new Binder(); |
| private int mDisabled = 0; |
| |
| private Object mLock = new Object(); |
| // encompasses lights-out mode and other flags defined on View |
| private int mSystemUiVisibility = 0; |
| private boolean mMenuVisible = false; |
| private int mImeWindowVis = 0; |
| private int mImeBackDisposition; |
| private boolean mShowImeSwitcher; |
| private IBinder mImeToken = null; |
| private 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); |
| } |
| } |
| |
| /** |
| * Construct the service, add the status bar view to the window manager |
| */ |
| public StatusBarManagerService(Context context, WindowManagerService windowManager) { |
| mContext = context; |
| mWindowManager = windowManager; |
| |
| final Resources res = context.getResources(); |
| mIcons.defineSlots(res.getStringArray(com.android.internal.R.array.config_statusBarIcons)); |
| |
| LocalServices.addService(StatusBarManagerInternal.class, mInternalService); |
| } |
| |
| /** |
| * Private API used by NotificationManagerService. |
| */ |
| private final StatusBarManagerInternal mInternalService = new StatusBarManagerInternal() { |
| private boolean mNotificationLightOn; |
| |
| @Override |
| public void setNotificationDelegate(NotificationDelegate delegate) { |
| mNotificationDelegate = delegate; |
| } |
| |
| @Override |
| public void buzzBeepBlinked() { |
| if (mBar != null) { |
| try { |
| mBar.buzzBeepBlinked(); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| @Override |
| public void notificationLightPulse(int argb, int onMillis, int offMillis) { |
| mNotificationLightOn = true; |
| if (mBar != null) { |
| try { |
| mBar.notificationLightPulse(argb, onMillis, offMillis); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| @Override |
| public void notificationLightOff() { |
| if (mNotificationLightOn) { |
| mNotificationLightOn = false; |
| if (mBar != null) { |
| try { |
| mBar.notificationLightOff(); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| } |
| }; |
| |
| // ================================================================================ |
| // From IStatusBarService |
| // ================================================================================ |
| @Override |
| public void expandNotificationsPanel() { |
| enforceExpandStatusBar(); |
| |
| if (mBar != null) { |
| try { |
| mBar.animateExpandNotificationsPanel(); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| @Override |
| public void collapsePanels() { |
| enforceExpandStatusBar(); |
| |
| if (mBar != null) { |
| try { |
| mBar.animateCollapsePanels(); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| @Override |
| public void expandSettingsPanel() { |
| enforceExpandStatusBar(); |
| |
| if (mBar != null) { |
| try { |
| mBar.animateExpandSettingsPanel(); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| @Override |
| public void disable(int what, IBinder token, String pkg) { |
| if (!mNotificationDelegate.allowDisable(what, token, pkg)) { |
| if (SPEW) Slog.d(TAG, "Blocking disable request from " + pkg); |
| return; |
| } |
| 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() { |
| mNotificationDelegate.onSetDisabled(net); |
| } |
| }); |
| if (mBar != null) { |
| try { |
| mBar.disable(net); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| } |
| |
| @Override |
| 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) { |
| } |
| } |
| } |
| } |
| |
| @Override |
| 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) { |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| 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. |
| */ |
| @Override |
| 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) { |
| } |
| } |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void setImeWindowStatus(final IBinder token, final int vis, final int backDisposition, |
| final boolean showImeSwitcher) { |
| 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; |
| mShowImeSwitcher = showImeSwitcher; |
| mHandler.post(new Runnable() { |
| public void run() { |
| if (mBar != null) { |
| try { |
| mBar.setImeWindowStatus(token, vis, backDisposition, showImeSwitcher); |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| }); |
| } |
| } |
| |
| @Override |
| 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) { |
| } |
| } |
| } |
| }); |
| } |
| } |
| |
| @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 showRecentApps(boolean triggeredFromAltTab) { |
| if (mBar != null) { |
| try { |
| mBar.showRecentApps(triggeredFromAltTab); |
| } catch (RemoteException ex) {} |
| } |
| } |
| |
| @Override |
| public void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) { |
| if (mBar != null) { |
| try { |
| mBar.hideRecentApps(triggeredFromAltTab, triggeredFromHomeKey); |
| } 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. |
| // ================================================================================ |
| @Override |
| public void registerStatusBar(IStatusBar bar, StatusBarIconList iconList, |
| int switches[], List<IBinder> binders) { |
| enforceStatusBarService(); |
| |
| Slog.i(TAG, "registerStatusBar bar=" + bar); |
| mBar = bar; |
| synchronized (mIcons) { |
| iconList.copyFrom(mIcons); |
| } |
| synchronized (mLock) { |
| switches[0] = gatherDisableActionsLocked(mCurrentUserId); |
| switches[1] = mSystemUiVisibility; |
| switches[2] = mMenuVisible ? 1 : 0; |
| switches[3] = mImeWindowVis; |
| switches[4] = mImeBackDisposition; |
| switches[5] = mShowImeSwitcher ? 1 : 0; |
| binders.add(mImeToken); |
| } |
| } |
| |
| /** |
| * 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. |
| */ |
| @Override |
| public void onPanelRevealed() { |
| enforceStatusBarService(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| // tell the notification manager to turn off the lights. |
| mNotificationDelegate.onPanelRevealed(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onPanelHidden() throws RemoteException { |
| enforceStatusBarService(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onPanelHidden(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onNotificationClick(String key) { |
| enforceStatusBarService(); |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onNotificationClick(callingUid, callingPid, key); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onNotificationError(String pkg, String tag, int id, |
| int uid, int initialPid, String message, int userId) { |
| enforceStatusBarService(); |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| // WARNING: this will call back into us to do the remove. Don't hold any locks. |
| mNotificationDelegate.onNotificationError(callingUid, callingPid, |
| pkg, tag, id, uid, initialPid, message, userId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onNotificationClear(String pkg, String tag, int id, int userId) { |
| enforceStatusBarService(); |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onNotificationClear(callingUid, callingPid, pkg, tag, id, userId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onNotificationVisibilityChanged( |
| String[] newlyVisibleKeys, String[] noLongerVisibleKeys) throws RemoteException { |
| enforceStatusBarService(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onNotificationVisibilityChanged( |
| newlyVisibleKeys, noLongerVisibleKeys); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onNotificationExpansionChanged(String key, boolean userAction, |
| boolean expanded) throws RemoteException { |
| enforceStatusBarService(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onNotificationExpansionChanged( |
| key, userAction, expanded); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| @Override |
| public void onClearAllNotifications(int userId) { |
| enforceStatusBarService(); |
| final int callingUid = Binder.getCallingUid(); |
| final int callingPid = Binder.getCallingPid(); |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| mNotificationDelegate.onClearAll(callingUid, callingPid, userId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| |
| // ================================================================================ |
| // 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 (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); |
| } |
| } |
| } |
| } |