| package com.android.server.policy.keyguard; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.content.pm.ActivityInfo; |
| import android.content.res.Resources; |
| import android.graphics.PixelFormat; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.view.WindowManagerPolicy.OnKeyguardExitResult; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.policy.IKeyguardDrawnCallback; |
| import com.android.internal.policy.IKeyguardExitCallback; |
| import com.android.internal.policy.IKeyguardService; |
| import com.android.server.UiThread; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * A local class that keeps a cache of keyguard state that can be restored in the event |
| * keyguard crashes. It currently also allows runtime-selectable |
| * local or remote instances of keyguard. |
| */ |
| public class KeyguardServiceDelegate { |
| private static final String TAG = "KeyguardServiceDelegate"; |
| private static final boolean DEBUG = true; |
| |
| private static final int SCREEN_STATE_OFF = 0; |
| private static final int SCREEN_STATE_TURNING_ON = 1; |
| private static final int SCREEN_STATE_ON = 2; |
| |
| private static final int INTERACTIVE_STATE_SLEEP = 0; |
| private static final int INTERACTIVE_STATE_AWAKE = 1; |
| private static final int INTERACTIVE_STATE_GOING_TO_SLEEP = 2; |
| |
| private final Object mWindowManagerLock; |
| protected KeyguardServiceWrapper mKeyguardService; |
| private final Context mContext; |
| private final View mScrim; // shown if keyguard crashes |
| private final Handler mScrimHandler; |
| private final KeyguardState mKeyguardState = new KeyguardState(); |
| private DrawnListener mDrawnListenerWhenConnect; |
| |
| @GuardedBy("mWindowManagerLock") |
| private boolean mHideScrimPending; |
| |
| private static final class KeyguardState { |
| KeyguardState() { |
| // Assume keyguard is showing and secure until we know for sure. This is here in |
| // the event something checks before the service is actually started. |
| // KeyguardService itself should default to this state until the real state is known. |
| showing = true; |
| showingAndNotOccluded = true; |
| secure = true; |
| deviceHasKeyguard = true; |
| currentUser = UserHandle.USER_NULL; |
| } |
| boolean showing; |
| boolean showingAndNotOccluded; |
| boolean inputRestricted; |
| boolean occluded; |
| boolean secure; |
| boolean dreaming; |
| boolean systemIsReady; |
| boolean deviceHasKeyguard; |
| public boolean enabled; |
| public int offReason; |
| public int currentUser; |
| public boolean bootCompleted; |
| public int screenState; |
| public int interactiveState; |
| }; |
| |
| public interface DrawnListener { |
| void onDrawn(); |
| } |
| |
| // A delegate class to map a particular invocation with a ShowListener object. |
| private final class KeyguardShowDelegate extends IKeyguardDrawnCallback.Stub { |
| private DrawnListener mDrawnListener; |
| |
| KeyguardShowDelegate(DrawnListener drawnListener) { |
| mDrawnListener = drawnListener; |
| } |
| |
| @Override |
| public void onDrawn() throws RemoteException { |
| if (DEBUG) Log.v(TAG, "**** SHOWN CALLED ****"); |
| synchronized (mWindowManagerLock) { |
| mHideScrimPending = true; |
| } |
| if (mDrawnListener != null) { |
| mDrawnListener.onDrawn(); |
| } |
| } |
| }; |
| |
| // A delegate class to map a particular invocation with an OnKeyguardExitResult object. |
| private final class KeyguardExitDelegate extends IKeyguardExitCallback.Stub { |
| private OnKeyguardExitResult mOnKeyguardExitResult; |
| |
| KeyguardExitDelegate(OnKeyguardExitResult onKeyguardExitResult) { |
| mOnKeyguardExitResult = onKeyguardExitResult; |
| } |
| |
| @Override |
| public void onKeyguardExitResult(boolean success) throws RemoteException { |
| if (DEBUG) Log.v(TAG, "**** onKeyguardExitResult(" + success +") CALLED ****"); |
| if (mOnKeyguardExitResult != null) { |
| mOnKeyguardExitResult.onKeyguardExitResult(success); |
| } |
| } |
| }; |
| |
| public KeyguardServiceDelegate(Context context, Object windowManagerLock) { |
| mWindowManagerLock = windowManagerLock; |
| mContext = context; |
| mScrimHandler = UiThread.getHandler(); |
| mScrim = createScrim(context, mScrimHandler); |
| } |
| |
| public void bindService(Context context) { |
| Intent intent = new Intent(); |
| final Resources resources = context.getApplicationContext().getResources(); |
| |
| final ComponentName keyguardComponent = ComponentName.unflattenFromString( |
| resources.getString(com.android.internal.R.string.config_keyguardComponent)); |
| intent.addFlags(Intent.FLAG_DEBUG_TRIAGED_MISSING); |
| intent.setComponent(keyguardComponent); |
| |
| if (!context.bindServiceAsUser(intent, mKeyguardConnection, |
| Context.BIND_AUTO_CREATE, mScrimHandler, UserHandle.SYSTEM)) { |
| Log.v(TAG, "*** Keyguard: can't bind to " + keyguardComponent); |
| mKeyguardState.showing = false; |
| mKeyguardState.showingAndNotOccluded = false; |
| mKeyguardState.secure = false; |
| synchronized (mKeyguardState) { |
| // TODO: Fix synchronisation model in this class. The other state in this class |
| // is at least self-healing but a race condition here can lead to the scrim being |
| // stuck on keyguard-less devices. |
| mKeyguardState.deviceHasKeyguard = false; |
| hideScrim(); |
| } |
| } else { |
| if (DEBUG) Log.v(TAG, "*** Keyguard started"); |
| } |
| } |
| |
| private final ServiceConnection mKeyguardConnection = new ServiceConnection() { |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| if (DEBUG) Log.v(TAG, "*** Keyguard connected (yay!)"); |
| mKeyguardService = new KeyguardServiceWrapper(mContext, |
| IKeyguardService.Stub.asInterface(service)); |
| if (mKeyguardState.systemIsReady) { |
| // If the system is ready, it means keyguard crashed and restarted. |
| mKeyguardService.onSystemReady(); |
| if (mKeyguardState.currentUser != UserHandle.USER_NULL) { |
| // There has been a user switch earlier |
| mKeyguardService.setCurrentUser(mKeyguardState.currentUser); |
| } |
| // This is used to hide the scrim once keyguard displays. |
| if (mKeyguardState.interactiveState == INTERACTIVE_STATE_AWAKE) { |
| mKeyguardService.onStartedWakingUp(); |
| } |
| if (mKeyguardState.screenState == SCREEN_STATE_ON |
| || mKeyguardState.screenState == SCREEN_STATE_TURNING_ON) { |
| mKeyguardService.onScreenTurningOn( |
| new KeyguardShowDelegate(mDrawnListenerWhenConnect)); |
| } |
| if (mKeyguardState.screenState == SCREEN_STATE_ON) { |
| mKeyguardService.onScreenTurnedOn(); |
| } |
| mDrawnListenerWhenConnect = null; |
| } |
| if (mKeyguardState.bootCompleted) { |
| mKeyguardService.onBootCompleted(); |
| } |
| if (mKeyguardState.occluded) { |
| mKeyguardService.setOccluded(mKeyguardState.occluded, false /* animate */); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| if (DEBUG) Log.v(TAG, "*** Keyguard disconnected (boo!)"); |
| mKeyguardService = null; |
| } |
| |
| }; |
| |
| public boolean isShowing() { |
| if (mKeyguardService != null) { |
| mKeyguardState.showing = mKeyguardService.isShowing(); |
| } |
| return mKeyguardState.showing; |
| } |
| |
| public boolean isTrusted() { |
| if (mKeyguardService != null) { |
| return mKeyguardService.isTrusted(); |
| } |
| return false; |
| } |
| |
| public boolean hasLockscreenWallpaper() { |
| if (mKeyguardService != null) { |
| return mKeyguardService.hasLockscreenWallpaper(); |
| } |
| return false; |
| } |
| |
| public boolean isInputRestricted() { |
| if (mKeyguardService != null) { |
| mKeyguardState.inputRestricted = mKeyguardService.isInputRestricted(); |
| } |
| return mKeyguardState.inputRestricted; |
| } |
| |
| public void verifyUnlock(final OnKeyguardExitResult onKeyguardExitResult) { |
| if (mKeyguardService != null) { |
| mKeyguardService.verifyUnlock(new KeyguardExitDelegate(onKeyguardExitResult)); |
| } |
| } |
| |
| public void keyguardDone(boolean authenticated, boolean wakeup) { |
| if (mKeyguardService != null) { |
| mKeyguardService.keyguardDone(authenticated, wakeup); |
| } |
| } |
| |
| public void setOccluded(boolean isOccluded, boolean animate) { |
| if (mKeyguardService != null) { |
| if (DEBUG) Log.v(TAG, "setOccluded(" + isOccluded + ") animate=" + animate); |
| mKeyguardService.setOccluded(isOccluded, animate); |
| } |
| mKeyguardState.occluded = isOccluded; |
| } |
| |
| public void dismiss(boolean allowWhileOccluded) { |
| if (mKeyguardService != null) { |
| mKeyguardService.dismiss(allowWhileOccluded); |
| } |
| } |
| |
| public boolean isSecure(int userId) { |
| if (mKeyguardService != null) { |
| mKeyguardState.secure = mKeyguardService.isSecure(userId); |
| } |
| return mKeyguardState.secure; |
| } |
| |
| public void onDreamingStarted() { |
| if (mKeyguardService != null) { |
| mKeyguardService.onDreamingStarted(); |
| } |
| mKeyguardState.dreaming = true; |
| } |
| |
| public void onDreamingStopped() { |
| if (mKeyguardService != null) { |
| mKeyguardService.onDreamingStopped(); |
| } |
| mKeyguardState.dreaming = false; |
| } |
| |
| public void onStartedWakingUp() { |
| if (mKeyguardService != null) { |
| if (DEBUG) Log.v(TAG, "onStartedWakingUp()"); |
| mKeyguardService.onStartedWakingUp(); |
| } |
| mKeyguardState.interactiveState = INTERACTIVE_STATE_AWAKE; |
| } |
| |
| public void onScreenTurnedOff() { |
| if (mKeyguardService != null) { |
| if (DEBUG) Log.v(TAG, "onScreenTurnedOff()"); |
| mKeyguardService.onScreenTurnedOff(); |
| } |
| mKeyguardState.screenState = SCREEN_STATE_OFF; |
| } |
| |
| public void onScreenTurningOn(final DrawnListener drawnListener) { |
| if (mKeyguardService != null) { |
| if (DEBUG) Log.v(TAG, "onScreenTurnedOn(showListener = " + drawnListener + ")"); |
| mKeyguardService.onScreenTurningOn(new KeyguardShowDelegate(drawnListener)); |
| } else { |
| // try again when we establish a connection |
| Slog.w(TAG, "onScreenTurningOn(): no keyguard service!"); |
| // This shouldn't happen, but if it does, show the scrim immediately and |
| // invoke the listener's callback after the service actually connects. |
| mDrawnListenerWhenConnect = drawnListener; |
| showScrim(); |
| } |
| mKeyguardState.screenState = SCREEN_STATE_TURNING_ON; |
| } |
| |
| public void onScreenTurnedOn() { |
| if (mKeyguardService != null) { |
| if (DEBUG) Log.v(TAG, "onScreenTurnedOn()"); |
| mKeyguardService.onScreenTurnedOn(); |
| } |
| mKeyguardState.screenState = SCREEN_STATE_ON; |
| } |
| |
| public void onStartedGoingToSleep(int why) { |
| if (mKeyguardService != null) { |
| mKeyguardService.onStartedGoingToSleep(why); |
| } |
| mKeyguardState.offReason = why; |
| mKeyguardState.interactiveState = INTERACTIVE_STATE_GOING_TO_SLEEP; |
| } |
| |
| public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) { |
| if (mKeyguardService != null) { |
| mKeyguardService.onFinishedGoingToSleep(why, cameraGestureTriggered); |
| } |
| mKeyguardState.interactiveState = INTERACTIVE_STATE_SLEEP; |
| } |
| |
| public void setKeyguardEnabled(boolean enabled) { |
| if (mKeyguardService != null) { |
| mKeyguardService.setKeyguardEnabled(enabled); |
| } |
| mKeyguardState.enabled = enabled; |
| } |
| |
| public void onSystemReady() { |
| if (mKeyguardService != null) { |
| mKeyguardService.onSystemReady(); |
| } else { |
| mKeyguardState.systemIsReady = true; |
| } |
| } |
| |
| public void doKeyguardTimeout(Bundle options) { |
| if (mKeyguardService != null) { |
| mKeyguardService.doKeyguardTimeout(options); |
| } |
| } |
| |
| public void setCurrentUser(int newUserId) { |
| if (mKeyguardService != null) { |
| mKeyguardService.setCurrentUser(newUserId); |
| } |
| mKeyguardState.currentUser = newUserId; |
| } |
| |
| public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) { |
| if (mKeyguardService != null) { |
| mKeyguardService.startKeyguardExitAnimation(startTime, fadeoutDuration); |
| } |
| } |
| |
| /** |
| * Called when all windows were fully drawn. |
| */ |
| public void onDrawCompleteLw() { |
| if (mHideScrimPending) { |
| hideScrim(); |
| mHideScrimPending = false; |
| } |
| } |
| |
| private static View createScrim(Context context, Handler handler) { |
| final View view = new View(context); |
| |
| int flags = WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
| | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR |
| | WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN |
| | WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER |
| ; |
| |
| final int stretch = ViewGroup.LayoutParams.MATCH_PARENT; |
| final int type = WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM; |
| final WindowManager.LayoutParams lp = new WindowManager.LayoutParams( |
| stretch, stretch, type, flags, PixelFormat.TRANSLUCENT); |
| lp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE; |
| lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR; |
| lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED; |
| lp.setTitle("KeyguardScrim"); |
| final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); |
| // Disable pretty much everything in statusbar until keyguard comes back and we know |
| // the state of the world. |
| view.setSystemUiVisibility(View.STATUS_BAR_DISABLE_HOME |
| | View.STATUS_BAR_DISABLE_BACK |
| | View.STATUS_BAR_DISABLE_RECENT |
| | View.STATUS_BAR_DISABLE_EXPAND |
| | View.STATUS_BAR_DISABLE_SEARCH); |
| handler.post(new Runnable() { |
| @Override |
| public void run() { |
| wm.addView(view, lp); |
| } |
| }); |
| return view; |
| } |
| |
| public void showScrim() { |
| synchronized (mKeyguardState) { |
| if (!mKeyguardState.deviceHasKeyguard) return; |
| mScrimHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| mScrim.setVisibility(View.VISIBLE); |
| } |
| }); |
| } |
| } |
| |
| public void hideScrim() { |
| mScrimHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| mScrim.setVisibility(View.GONE); |
| } |
| }); |
| } |
| |
| public void onBootCompleted() { |
| if (mKeyguardService != null) { |
| mKeyguardService.onBootCompleted(); |
| } |
| mKeyguardState.bootCompleted = true; |
| } |
| |
| public void onActivityDrawn() { |
| if (mKeyguardService != null) { |
| mKeyguardService.onActivityDrawn(); |
| } |
| } |
| |
| public void dump(String prefix, PrintWriter pw) { |
| pw.println(prefix + TAG); |
| prefix += " "; |
| pw.println(prefix + "showing=" + mKeyguardState.showing); |
| pw.println(prefix + "showingAndNotOccluded=" + mKeyguardState.showingAndNotOccluded); |
| pw.println(prefix + "inputRestricted=" + mKeyguardState.inputRestricted); |
| pw.println(prefix + "occluded=" + mKeyguardState.occluded); |
| pw.println(prefix + "secure=" + mKeyguardState.secure); |
| pw.println(prefix + "dreaming=" + mKeyguardState.dreaming); |
| pw.println(prefix + "systemIsReady=" + mKeyguardState.systemIsReady); |
| pw.println(prefix + "deviceHasKeyguard=" + mKeyguardState.deviceHasKeyguard); |
| pw.println(prefix + "enabled=" + mKeyguardState.enabled); |
| pw.println(prefix + "offReason=" + mKeyguardState.offReason); |
| pw.println(prefix + "currentUser=" + mKeyguardState.currentUser); |
| pw.println(prefix + "bootCompleted=" + mKeyguardState.bootCompleted); |
| pw.println(prefix + "screenState=" + mKeyguardState.screenState); |
| pw.println(prefix + "interactiveState=" + mKeyguardState.interactiveState); |
| if (mKeyguardService != null) { |
| mKeyguardService.dump(prefix, pw); |
| } |
| } |
| } |
