Merge commit 'android-4.2.2_r1' into mr1.1-staging

Conflicts:
	core/java/android/os/Trace.java
	core/java/android/widget/Toast.java
	core/res/res/values-cs/strings.xml
	core/res/res/values-el/strings.xml
	core/res/res/values-iw/strings.xml
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml
	media/java/android/media/AudioService.java
	packages/SystemUI/res/values-sv/strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
	packages/SystemUI/src/com/android/systemui/usb/StorageNotification.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
	services/java/com/android/server/NotificationManagerService.java
	services/java/com/android/server/power/ElectronBeam.java

Change-Id: I60b8ddf20a1d7bcf9dc7b1a4ed841aaa4d953294

14 files changed, 452 insertions, 259 deletions

diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index dccd24d..8998d57 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -464,6 +464,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     boolean mForceStatusBar;
     boolean mForceStatusBarFromKeyguard;
     boolean mHideLockScreen;
+    boolean mForcingShowNavBar;
+    int mForcingShowNavBarLayer;
 
     // States of keyguard dismiss.
     private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
@@ -3372,6 +3374,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         mTopFullscreenOpaqueWindowState = null;
         mForceStatusBar = false;
         mForceStatusBarFromKeyguard = false;
+        mForcingShowNavBar = false;
+        mForcingShowNavBarLayer = -1;
         
         mHideLockScreen = false;
         mAllowLockscreenWhenOn = false;
@@ -3386,6 +3390,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                                 WindowManager.LayoutParams attrs) {
         if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
                 + win.isVisibleOrBehindKeyguardLw());
+        if (mTopFullscreenOpaqueWindowState == null && (win.getAttrs().privateFlags
+                &WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_SHOW_NAV_BAR) != 0) {
+            if (mForcingShowNavBarLayer < 0) {
+                mForcingShowNavBar = true;
+                mForcingShowNavBarLayer = win.getSurfaceLayer();
+            }
+        }
         if (mTopFullscreenOpaqueWindowState == null &&
                 win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
             if ((attrs.flags & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
@@ -4228,6 +4239,14 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                 // and then updates our own bookkeeping based on the now-
                 // current user.
                 mSettingsObserver.onChange(false);
+
+                // force a re-application of focused window sysui visibility.
+                // the window may never have been shown for this user
+                // e.g. the keyguard when going through the new-user setup flow
+                synchronized(mLock) {
+                    mLastSystemUiFlags = 0;
+                    updateSystemUiVisibilityLw();
+                }
             }
         }
     };
@@ -4991,9 +5010,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             // will quickly lose focus once it correctly gets hidden.
             return 0;
         }
-        final int visibility = mFocusedWindow.getSystemUiVisibility()
+        int tmpVisibility = mFocusedWindow.getSystemUiVisibility()
                 & ~mResettingSystemUiFlags
                 & ~mForceClearedSystemUiFlags;
+        if (mForcingShowNavBar && mFocusedWindow.getSurfaceLayer() < mForcingShowNavBarLayer) {
+            tmpVisibility &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
+        }
+        final int visibility = tmpVisibility;
         int diff = visibility ^ mLastSystemUiFlags;
         final boolean needsMenu = mFocusedWindow.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
         if (diff == 0 && mLastFocusNeedsMenu == needsMenu
@@ -5180,6 +5203,11 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
                     pw.println(mTopFullscreenOpaqueWindowState);
         }
+        if (mForcingShowNavBar) {
+            pw.print(prefix); pw.print("mForcingShowNavBar=");
+                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
+                    pw.println(mForcingShowNavBarLayer);
+        }
         pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
                 pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
         pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/CameraWidgetFrame.java b/policy/src/com/android/internal/policy/impl/keyguard/CameraWidgetFrame.java
index dbd9999..762711d 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/CameraWidgetFrame.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/CameraWidgetFrame.java
@@ -18,10 +18,9 @@ package com.android.internal.policy.impl.keyguard;
 
 import android.content.Context;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Point;
+import android.graphics.Rect;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.util.Log;
@@ -53,17 +52,20 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
     private final Handler mHandler = new Handler();
     private final KeyguardActivityLauncher mActivityLauncher;
     private final Callbacks mCallbacks;
+    private final CameraWidgetInfo mWidgetInfo;
     private final WindowManager mWindowManager;
     private final Point mRenderedSize = new Point();
-    private final int[] mScreenLocation = new int[2];
+    private final int[] mTmpLoc = new int[2];
+    private final Rect mTmpRect = new Rect();
 
-    private View mWidgetView;
     private long mLaunchCameraStart;
     private boolean mActive;
     private boolean mTransitioning;
-    private boolean mRecovering;
     private boolean mDown;
 
+    private FixedSizeFrameLayout mPreview;
+    private View mFullscreenPreview;
+
     private final Runnable mTransitionToCameraRunnable = new Runnable() {
         @Override
         public void run() {
@@ -81,19 +83,16 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
             mActivityLauncher.launchCamera(worker, mSecureCameraActivityStartedRunnable);
         }};
 
-    private final Runnable mRecoverRunnable = new Runnable() {
+    private final Runnable mPostTransitionToCameraEndAction = new Runnable() {
         @Override
         public void run() {
-            recover();
+            mHandler.post(mTransitionToCameraEndAction);
         }};
 
-    private final Runnable mRecoverEndAction = new Runnable() {
+    private final Runnable mRecoverRunnable = new Runnable() {
         @Override
         public void run() {
-            if (!mRecovering)
-                return;
-            mCallbacks.onCameraLaunchedUnsuccessfully();
-            reset();
+            recover();
         }};
 
     private final Runnable mRenderRunnable = new Runnable() {
@@ -119,13 +118,43 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
         };
     };
 
+    private static final class FixedSizeFrameLayout extends FrameLayout {
+        int width;
+        int height;
+
+        FixedSizeFrameLayout(Context context) {
+            super(context);
+        }
+
+        @Override
+        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+            measureChildren(
+                    MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
+                    MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
+            setMeasuredDimension(width, height);
+        }
+    }
+
     private CameraWidgetFrame(Context context, Callbacks callbacks,
-            KeyguardActivityLauncher activityLauncher) {
+            KeyguardActivityLauncher activityLauncher,
+            CameraWidgetInfo widgetInfo, View previewWidget) {
         super(context);
         mCallbacks = callbacks;
         mActivityLauncher = activityLauncher;
+        mWidgetInfo = widgetInfo;
         mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
         KeyguardUpdateMonitor.getInstance(context).registerCallback(mCallback);
+
+        mPreview = new FixedSizeFrameLayout(context);
+        mPreview.addView(previewWidget);
+        addView(mPreview);
+
+        View clickBlocker = new View(context);
+        clickBlocker.setBackgroundColor(Color.TRANSPARENT);
+        clickBlocker.setOnClickListener(this);
+        addView(clickBlocker);
+
+        setContentDescription(context.getString(R.string.keyguard_accessibility_camera));
         if (DEBUG) Log.d(TAG, "new CameraWidgetFrame instance " + instanceId());
     }
 
@@ -137,24 +166,17 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
         CameraWidgetInfo widgetInfo = launcher.getCameraWidgetInfo();
         if (widgetInfo == null)
             return null;
-        View widgetView = widgetInfo.layoutId > 0 ?
-                inflateWidgetView(context, widgetInfo) :
-                inflateGenericWidgetView(context);
-        if (widgetView == null)
+        View previewWidget = getPreviewWidget(context, widgetInfo);
+        if (previewWidget == null)
             return null;
 
-        ImageView preview = new ImageView(context);
-        preview.setLayoutParams(new FrameLayout.LayoutParams(
-                FrameLayout.LayoutParams.MATCH_PARENT,
-                FrameLayout.LayoutParams.MATCH_PARENT));
-        preview.setScaleType(ScaleType.FIT_CENTER);
-        preview.setContentDescription(preview.getContext().getString(
-                R.string.keyguard_accessibility_camera));
-        CameraWidgetFrame cameraWidgetFrame = new CameraWidgetFrame(context, callbacks, launcher);
-        cameraWidgetFrame.addView(preview);
-        cameraWidgetFrame.mWidgetView = widgetView;
-        preview.setOnClickListener(cameraWidgetFrame);
-        return cameraWidgetFrame;
+        return new CameraWidgetFrame(context, callbacks, launcher, widgetInfo, previewWidget);
+    }
+
+    private static View getPreviewWidget(Context context, CameraWidgetInfo widgetInfo) {
+        return widgetInfo.layoutId > 0 ?
+                inflateWidgetView(context, widgetInfo) :
+                inflateGenericWidgetView(context);
     }
 
     private static View inflateWidgetView(Context context, CameraWidgetInfo widgetInfo) {
@@ -188,119 +210,99 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
         return iv;
     }
 
-    public void render() {
-        final Throwable[] thrown = new Throwable[1];
-        final Bitmap[] offscreen = new Bitmap[1];
-        try {
-            final int width = getRootView().getWidth();
-            final int height = getRootView().getHeight();
-            if (mRenderedSize.x == width && mRenderedSize.y == height) {
-                if (DEBUG) Log.d(TAG, String.format("Already rendered at size=%sx%s",
-                        width, height));
-                return;
-            }
-            if (width == 0 || height == 0) {
-                return;
-            }
-            final long start = SystemClock.uptimeMillis();
-            offscreen[0] = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
-            final Canvas c = new Canvas(offscreen[0]);
-            mWidgetView.measure(
-                    MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
-                    MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
-            mWidgetView.layout(0, 0, width, height);
-            mWidgetView.draw(c);
-
-            final long end = SystemClock.uptimeMillis();
-            if (DEBUG) Log.d(TAG, String.format(
-                    "Rendered camera widget in %sms size=%sx%s instance=%s at %s",
-                    end - start,
-                    width, height,
-                    instanceId(),
-                    end));
-            mRenderedSize.set(width, height);
-        } catch (Throwable t) {
-            thrown[0] = t;
+    private void render() {
+        final View root = getRootView();
+        final int width = root.getWidth();
+        final int height = root.getHeight();
+        if (mRenderedSize.x == width && mRenderedSize.y == height) {
+            if (DEBUG) Log.d(TAG, String.format("Already rendered at size=%sx%s", width, height));
+            return;
+        }
+        if (width == 0 || height == 0) {
+            return;
         }
 
-        mHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if (thrown[0] == null) {
-                    try {
-                        ((ImageView) getChildAt(0)).setImageBitmap(offscreen[0]);
-                    } catch (Throwable t) {
-                        thrown[0] = t;
-                    }
-                }
-                if (thrown[0] == null)
-                    return;
-
-                Log.w(TAG, "Error rendering camera widget", thrown[0]);
-                try {
-                    removeAllViews();
-                    final View genericView = inflateGenericWidgetView(mContext);
-                    addView(genericView);
-                } catch (Throwable t) {
-                    Log.w(TAG, "Error inflating generic camera widget", t);
-                }
-            }});
-    }
-
-    private void transitionToCamera() {
-        if (mTransitioning || mDown) return;
+        mPreview.width = width;
+        mPreview.height = height;
+        mPreview.requestLayout();
 
-        mTransitioning = true;
+        final int thisWidth = getWidth() - getPaddingLeft() - getPaddingRight();
+        final int thisHeight = getHeight() - getPaddingTop() - getPaddingBottom();
 
-        final View child = getChildAt(0);
-        final View root = getRootView();
+        final float pvScaleX = (float) thisWidth / width;
+        final float pvScaleY = (float) thisHeight / height;
+        final float pvScale = Math.min(pvScaleX, pvScaleY);
 
-        final int startWidth = child.getWidth();
-        final int startHeight = child.getHeight();
+        final int pvWidth = (int) (pvScale * width);
+        final int pvHeight = (int) (pvScale * height);
 
-        final int finishWidth = root.getWidth();
-        final int finishHeight = root.getHeight();
+        final float pvTransX = pvWidth < thisWidth ? (thisWidth - pvWidth) / 2 : 0;
+        final float pvTransY = pvHeight < thisHeight ? (thisHeight - pvHeight) / 2 : 0;
 
-        final float scaleX = (float) finishWidth / startWidth;
-        final float scaleY = (float) finishHeight / startHeight;
-        final float scale = Math.round( Math.max(scaleX, scaleY) * 100) / 100f;
+        mPreview.setPivotX(0);
+        mPreview.setPivotY(0);
+        mPreview.setScaleX(pvScale);
+        mPreview.setScaleY(pvScale);
+        mPreview.setTranslationX(pvTransX);
+        mPreview.setTranslationY(pvTransY);
 
-        final int[] loc = new int[2];
-        root.getLocationInWindow(loc);
-        final int finishCenter = loc[1] + finishHeight / 2;
+        mRenderedSize.set(width, height);
+        if (DEBUG) Log.d(TAG, String.format("Rendered camera widget size=%sx%s instance=%s",
+                width, height, instanceId()));
+    }
 
-        child.getLocationInWindow(loc);
-        final int startCenter = loc[1] + startHeight / 2;
+    private void transitionToCamera() {
+        if (mTransitioning || mDown) return;
 
-        if (DEBUG) Log.d(TAG, String.format("Transitioning to camera. " +
-                "(start=%sx%s, finish=%sx%s, scale=%s,%s, startCenter=%s, finishCenter=%s)",
-                startWidth, startHeight,
-                finishWidth, finishHeight,
-                scaleX, scaleY,
-                startCenter, finishCenter));
+        mTransitioning = true;
 
         enableWindowExitAnimation(false);
-        animate()
-            .scaleX(scale)
-            .scaleY(scale)
-            .translationY(finishCenter - startCenter)
-            .setDuration(WIDGET_ANIMATION_DURATION)
-            .withEndAction(mTransitionToCameraEndAction)
-            .start();
 
-        mCallbacks.onLaunchingCamera();
-    }
+        mPreview.getLocationInWindow(mTmpLoc);
+        final float pvHeight = mPreview.getHeight() * mPreview.getScaleY();
+        final float pvCenter = mTmpLoc[1] + pvHeight / 2f;
 
-    private void recover() {
-        if (DEBUG) Log.d(TAG, "recovering at " + SystemClock.uptimeMillis());
-        mRecovering = true;
-        animate()
+        final ViewGroup root = (ViewGroup) getRootView();
+        if (mFullscreenPreview == null) {
+            mFullscreenPreview = getPreviewWidget(mContext, mWidgetInfo);
+            mFullscreenPreview.setClickable(false);
+            root.addView(mFullscreenPreview);
+        }
+
+        root.getWindowVisibleDisplayFrame(mTmpRect);
+        final float fsHeight = mTmpRect.height();
+        final float fsCenter = mTmpRect.top + fsHeight / 2;
+
+        final float fsScaleY = pvHeight / fsHeight;
+        final float fsTransY = pvCenter - fsCenter;
+        final float fsScaleX = mPreview.getScaleX();
+
+        mPreview.setVisibility(View.GONE);
+        mFullscreenPreview.setVisibility(View.VISIBLE);
+        mFullscreenPreview.setTranslationY(fsTransY);
+        mFullscreenPreview.setScaleX(fsScaleX);
+        mFullscreenPreview.setScaleY(fsScaleY);
+        mFullscreenPreview
+            .animate()
             .scaleX(1)
             .scaleY(1)
+            .translationX(0)
             .translationY(0)
             .setDuration(WIDGET_ANIMATION_DURATION)
-            .withEndAction(mRecoverEndAction)
+            .withEndAction(mPostTransitionToCameraEndAction)
             .start();
+        mCallbacks.onLaunchingCamera();
+    }
+
+    private void recover() {
+        if (DEBUG) Log.d(TAG, "recovering at " + SystemClock.uptimeMillis());
+        mCallbacks.onCameraLaunchedUnsuccessfully();
+        reset();
+    }
+
+    @Override
+    public void setOnLongClickListener(OnLongClickListener l) {
+        // ignore
     }
 
     @Override
@@ -340,8 +342,8 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
             return true;
         }
 
-        getLocationOnScreen(mScreenLocation);
-        int rawBottom = mScreenLocation[1] + getHeight();
+        getLocationOnScreen(mTmpLoc);
+        int rawBottom = mTmpLoc[1] + getHeight();
         if (event.getRawY() > rawBottom) {
             if (DEBUG) Log.d(TAG, "onUserInteraction eaten: below widget");
             return true;
@@ -388,14 +390,14 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
         if (DEBUG) Log.d(TAG, "reset at " + SystemClock.uptimeMillis());
         mLaunchCameraStart = 0;
         mTransitioning = false;
-        mRecovering = false;
         mDown = false;
         cancelTransitionToCamera();
         mHandler.removeCallbacks(mRecoverRunnable);
-        animate().cancel();
-        setScaleX(1);
-        setScaleY(1);
-        setTranslationY(0);
+        mPreview.setVisibility(View.VISIBLE);
+        if (mFullscreenPreview != null) {
+            mFullscreenPreview.animate().cancel();
+            mFullscreenPreview.setVisibility(View.GONE);
+        }
         enableWindowExitAnimation(true);
     }
 
@@ -403,11 +405,18 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
         if (DEBUG) Log.d(TAG, String.format("onSizeChanged new=%sx%s old=%sx%s at %s",
                 w, h, oldw, oldh, SystemClock.uptimeMillis()));
-        final Handler worker =  getWorkerHandler();
-        (worker != null ? worker : mHandler).post(mRenderRunnable);
+        mHandler.post(mRenderRunnable);
         super.onSizeChanged(w, h, oldw, oldh);
     }
 
+    @Override
+    public void onBouncerShowing(boolean showing) {
+        if (showing) {
+            mTransitioning = false;
+            mHandler.post(mRecoverRunnable);
+        }
+    }
+
     private void enableWindowExitAnimation(boolean isEnabled) {
         View root = getRootView();
         ViewGroup.LayoutParams lp = root.getLayoutParams();
@@ -427,15 +436,14 @@ public class CameraWidgetFrame extends KeyguardWidgetFrame implements View.OnCli
         if (DEBUG) Log.d(TAG, "onKeyguardVisibilityChanged " + showing
                 + " at " + SystemClock.uptimeMillis());
         if (mTransitioning && !showing) {
-          mTransitioning = false;
-          mRecovering = false;
-          mHandler.removeCallbacks(mRecoverRunnable);
-          if (mLaunchCameraStart > 0) {
-              long launchTime = SystemClock.uptimeMillis() - mLaunchCameraStart;
-              if (DEBUG) Log.d(TAG, String.format("Camera took %sms to launch", launchTime));
-              mLaunchCameraStart = 0;
-              onCameraLaunched();
-          }
+            mTransitioning = false;
+            mHandler.removeCallbacks(mRecoverRunnable);
+            if (mLaunchCameraStart > 0) {
+                long launchTime = SystemClock.uptimeMillis() - mLaunchCameraStart;
+                if (DEBUG) Log.d(TAG, String.format("Camera took %sms to launch", launchTime));
+                mLaunchCameraStart = 0;
+                onCameraLaunched();
+            }
         }
     }
 
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/FaceUnlock.java b/policy/src/com/android/internal/policy/impl/keyguard/FaceUnlock.java
index 259f1e4..830471a 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/FaceUnlock.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/FaceUnlock.java
@@ -31,6 +31,7 @@ import android.os.Looper;
 import android.os.Message;
 import android.os.PowerManager;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.util.Log;
 import android.view.View;
 
@@ -214,7 +215,7 @@ public class FaceUnlock implements BiometricSensorUnlock, Handler.Callback {
                 handleServiceDisconnected();
                 break;
             case MSG_UNLOCK:
-                handleUnlock();
+                handleUnlock(msg.arg1);
                 break;
             case MSG_CANCEL:
                 handleCancel();
@@ -297,11 +298,18 @@ public class FaceUnlock implements BiometricSensorUnlock, Handler.Callback {
     /**
      * Stops the Face Unlock service and tells the device to grant access to the user.
      */
-    void handleUnlock() {
+    void handleUnlock(int authenticatedUserId) {
         if (DEBUG) Log.d(TAG, "handleUnlock()");
         stop();
-        mKeyguardScreenCallback.reportSuccessfulUnlockAttempt();
-        mKeyguardScreenCallback.dismiss(true);
+        int currentUserId = mLockPatternUtils.getCurrentUser();
+        if (authenticatedUserId == currentUserId) {
+            if (DEBUG) Log.d(TAG, "Unlocking for user " + authenticatedUserId);
+            mKeyguardScreenCallback.reportSuccessfulUnlockAttempt();
+            mKeyguardScreenCallback.dismiss(true);
+        } else {
+            Log.d(TAG, "Ignoring unlock for authenticated user (" + authenticatedUserId +
+                    ") because the current user is " + currentUserId);
+        }
     }
 
     /**
@@ -420,7 +428,8 @@ public class FaceUnlock implements BiometricSensorUnlock, Handler.Callback {
          */
         public void unlock() {
             if (DEBUG) Log.d(TAG, "unlock()");
-            mHandler.sendEmptyMessage(MSG_UNLOCK);
+            Message message = mHandler.obtainMessage(MSG_UNLOCK, UserHandle.getCallingUserId(), -1);
+            mHandler.sendMessage(message);
         }
 
         /**
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardCircleFramedDrawable.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardCircleFramedDrawable.java
index 29124c4..79b66f4 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardCircleFramedDrawable.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardCircleFramedDrawable.java
@@ -134,7 +134,6 @@ class KeyguardCircleFramedDrawable extends Drawable {
     }
 
     public void setScale(float scale) {
-        Log.i("KFD", "scale: " + scale);
         mScale = scale;
     }
 
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
index 73580cf..f11d444 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
@@ -28,7 +28,6 @@ import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
-import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -91,6 +90,7 @@ public class KeyguardHostView extends KeyguardViewBase {
     private int mAppWidgetToShow;
 
     private boolean mCheckAppWidgetConsistencyOnBootCompleted = false;
+    private boolean mCleanupAppWidgetsOnBootCompleted = false;
 
     protected OnDismissAction mDismissAction;
 
@@ -100,8 +100,6 @@ public class KeyguardHostView extends KeyguardViewBase {
     private KeyguardSecurityModel mSecurityModel;
     private KeyguardViewStateManager mViewStateManager;
 
-    boolean mPersitentStickyWidgetLoaded = false;
-
     private Rect mTempRect = new Rect();
 
     private int mDisabledFeatures;
@@ -110,7 +108,11 @@ public class KeyguardHostView extends KeyguardViewBase {
 
     private boolean mSafeModeEnabled;
 
-     /*package*/ interface TransportCallback {
+    private boolean mUserSetupCompleted;
+    // User for whom this host view was created
+    private int mUserId;
+
+    /*package*/ interface TransportCallback {
         void onListenerDetached();
         void onListenerAttached();
         void onPlayStateChanged();
@@ -135,8 +137,12 @@ public class KeyguardHostView extends KeyguardViewBase {
     public KeyguardHostView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mLockPatternUtils = new LockPatternUtils(context);
+        mUserId = mLockPatternUtils.getCurrentUser();
         mAppWidgetHost = new AppWidgetHost(
                 context, APPWIDGET_HOST_ID, mOnClickHandler, Looper.myLooper());
+        mAppWidgetHost.setUserId(mUserId);
+        cleanupAppWidgetIds();
+
         mAppWidgetManager = AppWidgetManager.getInstance(mContext);
         mSecurityModel = new KeyguardSecurityModel(context);
 
@@ -150,6 +156,8 @@ public class KeyguardHostView extends KeyguardViewBase {
         }
 
         mSafeModeEnabled = LockPatternUtils.isSafeModeEnabled();
+        mUserSetupCompleted = Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
 
         if (mSafeModeEnabled) {
             Log.v(TAG, "Keyguard widgets disabled by safe mode");
@@ -162,6 +170,39 @@ public class KeyguardHostView extends KeyguardViewBase {
         }
     }
 
+    private void cleanupAppWidgetIds() {
+        // Since this method may delete a widget (which we can't do until boot completed) we
+        // may have to defer it until after boot complete.
+        if (!KeyguardUpdateMonitor.getInstance(mContext).hasBootCompleted()) {
+            mCleanupAppWidgetsOnBootCompleted = true;
+            return;
+        }
+        // Clean up appWidgetIds that are bound to lockscreen, but not actually used
+        // This is only to clean up after another bug: we used to not call
+        // deleteAppWidgetId when a user manually deleted a widget in keyguard. This code
+        // shouldn't have to run more than once per user. AppWidgetProviders rely on callbacks
+        // that are triggered by deleteAppWidgetId, which is why we're doing this
+        int[] appWidgetIdsInKeyguardSettings = mLockPatternUtils.getAppWidgets();
+        int[] appWidgetIdsBoundToHost = mAppWidgetHost.getAppWidgetIds();
+        for (int i = 0; i < appWidgetIdsBoundToHost.length; i++) {
+            int appWidgetId = appWidgetIdsBoundToHost[i];
+            if (!contains(appWidgetIdsInKeyguardSettings, appWidgetId)) {
+                Log.d(TAG, "Found a appWidgetId that's not being used by keyguard, deleting id "
+                        + appWidgetId);
+                mAppWidgetHost.deleteAppWidgetId(appWidgetId);
+            }
+        }
+    }
+
+    private static boolean contains(int[] array, int target) {
+        for (int value : array) {
+            if (value == target) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private KeyguardUpdateMonitorCallback mUpdateMonitorCallbacks =
             new KeyguardUpdateMonitorCallback() {
         @Override
@@ -171,6 +212,10 @@ public class KeyguardHostView extends KeyguardViewBase {
                 mSwitchPageRunnable.run();
                 mCheckAppWidgetConsistencyOnBootCompleted = false;
             }
+            if (mCleanupAppWidgetsOnBootCompleted) {
+                cleanupAppWidgetIds();
+                mCleanupAppWidgetsOnBootCompleted = false;
+            }
         }
     };
 
@@ -241,8 +286,8 @@ public class KeyguardHostView extends KeyguardViewBase {
         addDefaultWidgets();
 
         addWidgetsFromSettings();
-        if (numWidgets() >= MAX_WIDGETS) {
-            setAddWidgetEnabled(false);
+        if (!shouldEnableAddWidget()) {
+            mAppWidgetContainer.setAddWidgetEnabled(false);
         }
         checkAppWidgetConsistency();
         mSwitchPageRunnable.run();
@@ -298,6 +343,10 @@ public class KeyguardHostView extends KeyguardViewBase {
         }
     }
 
+    private boolean shouldEnableAddWidget() {
+        return numWidgets() < MAX_WIDGETS && mUserSetupCompleted;
+    }
+
     private int getDisabledFeatures(DevicePolicyManager dpm) {
         int disabledFeatures = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE;
         if (dpm != null) {
@@ -347,14 +396,14 @@ public class KeyguardHostView extends KeyguardViewBase {
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
-        mAppWidgetHost.startListening();
+        mAppWidgetHost.startListeningAsUser(mUserId);
         KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallbacks);
     }
 
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
-        mAppWidgetHost.stopListening();
+        mAppWidgetHost.stopListeningAsUser(mUserId);
         KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateMonitorCallbacks);
     }
 
@@ -380,15 +429,26 @@ public class KeyguardHostView extends KeyguardViewBase {
 
         @Override
         public void onAddView(View v) {
-            if (numWidgets() >= MAX_WIDGETS) {
-                setAddWidgetEnabled(false);
+            if (!shouldEnableAddWidget()) {
+                mAppWidgetContainer.setAddWidgetEnabled(false);
             }
-        };
+        }
+
+        @Override
+        public void onRemoveView(View v, boolean deletePermanently) {
+            if (deletePermanently) {
+                final int appWidgetId = ((KeyguardWidgetFrame) v).getContentAppWidgetId();
+                if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID &&
+                        appWidgetId != LockPatternUtils.ID_DEFAULT_STATUS_WIDGET) {
+                    mAppWidgetHost.deleteAppWidgetId(appWidgetId);
+                }
+            }
+        }
 
         @Override
-        public void onRemoveView(View v) {
-            if (numWidgets() < MAX_WIDGETS) {
-                setAddWidgetEnabled(true);
+        public void onRemoveViewAnimationCompleted() {
+            if (shouldEnableAddWidget()) {
+                mAppWidgetContainer.setAddWidgetEnabled(true);
             }
         }
     };
@@ -877,6 +937,7 @@ public class KeyguardHostView extends KeyguardViewBase {
             mViewStateManager.showUsabilityHints();
         }
         minimizeChallengeIfDesired();
+        requestFocus();
     }
 
     @Override
@@ -896,6 +957,7 @@ public class KeyguardHostView extends KeyguardViewBase {
         if (cameraPage != null) {
             cameraPage.onScreenTurnedOff();
         }
+        clearFocus();
     }
 
     public void clearAppWidgetToShow() {
@@ -1060,15 +1122,6 @@ public class KeyguardHostView extends KeyguardViewBase {
         return widgetCount;
     }
 
-
-    private void setAddWidgetEnabled(boolean clickable) {
-        View addWidget = mAppWidgetContainer.findViewById(R.id.keyguard_add_widget);
-        if (addWidget != null) {
-            View addWidgetButton = addWidget.findViewById(R.id.keyguard_add_widget_view);
-            addWidgetButton.setEnabled(clickable);
-        }
-    }
-
     private void addDefaultWidgets() {
         LayoutInflater inflater = LayoutInflater.from(mContext);
         inflater.inflate(R.layout.keyguard_transport_control_view, this, true);
@@ -1089,7 +1142,7 @@ public class KeyguardHostView extends KeyguardViewBase {
         // We currently disable cameras in safe mode because we support loading 3rd party
         // cameras we can't trust.  TODO: plumb safe mode into camera creation code and only
         // inflate system-provided camera?
-        if (!mSafeModeEnabled && !cameraDisabledByDpm()
+        if (!mSafeModeEnabled && !cameraDisabledByDpm() && mUserSetupCompleted
                 && mContext.getResources().getBoolean(R.bool.kg_enable_camera_default_widget)) {
             View cameraWidget =
                     CameraWidgetFrame.create(mContext, mCameraWidgetCallbacks, mActivityLauncher);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java
index 68a9645..c4628c0 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java
@@ -56,7 +56,7 @@ class KeyguardMessageArea extends TextView {
     boolean mShowingBouncer = false;
 
     // last known plugged in state
-    boolean mPluggedIn = false;
+    boolean mCharging = false;
 
     // last known battery level
     int mBatteryLevel = 100;
@@ -138,9 +138,8 @@ class KeyguardMessageArea extends TextView {
     private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
         @Override
         public void onRefreshBatteryInfo(KeyguardUpdateMonitor.BatteryStatus status) {
-            // Use the status instead of plugged attribute
-            mPluggedIn = status.status == BatteryManager.BATTERY_STATUS_CHARGING ||
-                         status.status == BatteryManager.BATTERY_STATUS_FULL;
+            mCharging = status.status == BatteryManager.BATTERY_STATUS_CHARGING
+                     || status.status == BatteryManager.BATTERY_STATUS_FULL;
             mBatteryLevel = status.level;
             mBatteryCharged = status.isCharged();
             mBatteryIsLow = status.isBatteryLow();
@@ -231,11 +230,11 @@ class KeyguardMessageArea extends TextView {
         CharSequence string = null;
         if (mShowingBatteryInfo && !mShowingMessage) {
             // Battery status
-            if (mPluggedIn) {
-                // Charging, charged.
-                string = getContext().getString(mBatteryCharged ?
-                        com.android.internal.R.string.lockscreen_charged
-                        :com.android.internal.R.string.lockscreen_plugged_in, mBatteryLevel);
+            if (mCharging) {
+                // Charging, charged or waiting to charge.
+                string = getContext().getString(mBatteryCharged
+                        ? com.android.internal.R.string.lockscreen_charged
+                        : com.android.internal.R.string.lockscreen_plugged_in, mBatteryLevel);
                 icon.value = CHARGING_ICON;
             } else if (mBatteryIsLow) {
                 // Battery is low
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardTransportControlView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardTransportControlView.java
index d284602..ffa88d5 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardTransportControlView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardTransportControlView.java
@@ -189,7 +189,7 @@ public class KeyguardTransportControlView extends FrameLayout implements OnClick
 
     public KeyguardTransportControlView(Context context, AttributeSet attrs) {
         super(context, attrs);
-        Log.v(TAG, "Create TCV " + this);
+        if (DEBUG) Log.v(TAG, "Create TCV " + this);
         mAudioManager = new AudioManager(mContext);
         mCurrentPlayState = RemoteControlClient.PLAYSTATE_NONE; // until we get a callback
         mIRCD = new IRemoteControlDisplayWeak(mHandler);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardUpdateMonitor.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardUpdateMonitor.java
index 5346ecd..d446646 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardUpdateMonitor.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardUpdateMonitor.java
@@ -37,6 +37,7 @@ import android.os.Handler;
 import android.os.IRemoteCallback;
 import android.os.Message;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.provider.Settings;
 
 import com.android.internal.telephony.IccCardConstants;
@@ -113,7 +114,7 @@ public class KeyguardUpdateMonitor {
 
     private final ArrayList<WeakReference<KeyguardUpdateMonitorCallback>>
             mCallbacks = Lists.newArrayList();
-    private ContentObserver mContentObserver;
+    private ContentObserver mDeviceProvisionedObserver;
 
     private final Handler mHandler = new Handler() {
         @Override
@@ -322,9 +323,7 @@ public class KeyguardUpdateMonitor {
     private KeyguardUpdateMonitor(Context context) {
         mContext = context;
 
-        mDeviceProvisioned = Settings.Global.getInt(
-                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
-
+        mDeviceProvisioned = isDeviceProvisionedInSettingsDb();
         // Since device can't be un-provisioned, we only need to register a content observer
         // to update mDeviceProvisioned when we are...
         if (!mDeviceProvisioned) {
@@ -373,13 +372,17 @@ public class KeyguardUpdateMonitor {
         }
     }
 
+    private boolean isDeviceProvisionedInSettingsDb() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.DEVICE_PROVISIONED, 0) != 0;
+    }
+
     private void watchForDeviceProvisioning() {
-        mContentObserver = new ContentObserver(mHandler) {
+        mDeviceProvisionedObserver = new ContentObserver(mHandler) {
             @Override
             public void onChange(boolean selfChange) {
                 super.onChange(selfChange);
-                mDeviceProvisioned = Settings.Global.getInt(mContext.getContentResolver(),
-                    Settings.Global.DEVICE_PROVISIONED, 0) != 0;
+                mDeviceProvisioned = isDeviceProvisionedInSettingsDb();
                 if (mDeviceProvisioned) {
                     mHandler.sendMessage(mHandler.obtainMessage(MSG_DEVICE_PROVISIONED));
                 }
@@ -389,12 +392,11 @@ public class KeyguardUpdateMonitor {
 
         mContext.getContentResolver().registerContentObserver(
                 Settings.Global.getUriFor(Settings.Global.DEVICE_PROVISIONED),
-                false, mContentObserver);
+                false, mDeviceProvisionedObserver);
 
         // prevent a race condition between where we check the flag and where we register the
         // observer by grabbing the value once again...
-        boolean provisioned = Settings.Global.getInt(mContext.getContentResolver(),
-            Settings.Global.DEVICE_PROVISIONED, 0) != 0;
+        boolean provisioned = isDeviceProvisionedInSettingsDb();
         if (provisioned != mDeviceProvisioned) {
             mDeviceProvisioned = provisioned;
             if (mDeviceProvisioned) {
@@ -475,10 +477,10 @@ public class KeyguardUpdateMonitor {
                 cb.onDeviceProvisioned();
             }
         }
-        if (mContentObserver != null) {
+        if (mDeviceProvisionedObserver != null) {
             // We don't need the observer anymore...
-            mContext.getContentResolver().unregisterContentObserver(mContentObserver);
-            mContentObserver = null;
+            mContext.getContentResolver().unregisterContentObserver(mDeviceProvisionedObserver);
+            mDeviceProvisionedObserver = null;
         }
     }
 
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
index 2d12d12..b8f3c10 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
@@ -26,6 +26,7 @@ import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.PixelFormat;
 import android.media.AudioManager;
+import android.graphics.Rect;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.Parcelable;
@@ -134,14 +135,27 @@ public class KeyguardViewManager {
         }
 
         @Override
+        protected boolean fitSystemWindows(Rect insets) {
+            Log.v("TAG", "bug 7643792: fitSystemWindows(" + insets.toShortString() + ")");
+            return super.fitSystemWindows(insets);
+        }
+
+        @Override
         protected void onConfigurationChanged(Configuration newConfig) {
             super.onConfigurationChanged(newConfig);
-            if (mKeyguardHost.getVisibility() == View.VISIBLE) {
-                // only propagate configuration messages if we're currently showing
-                maybeCreateKeyguardLocked(shouldEnableScreenRotation(), true, null);
-            } else {
-                if (DEBUG) Log.v(TAG, "onConfigurationChanged: view not visible");
-            }
+            post(new Runnable() {
+                @Override
+                public void run() {
+                    synchronized (KeyguardViewManager.this) {
+                        if (mKeyguardHost.getVisibility() == View.VISIBLE) {
+                            // only propagate configuration messages if we're currently showing
+                            maybeCreateKeyguardLocked(shouldEnableScreenRotation(), true, null);
+                        } else {
+                            if (DEBUG) Log.v(TAG, "onConfigurationChanged: view not visible");
+                        }
+                    }
+                }
+            });
         }
 
         @Override
@@ -342,6 +356,7 @@ public class KeyguardViewManager {
 
         if (force || mKeyguardView == null) {
             inflateKeyguardView(options);
+            mKeyguardView.requestFocus();
         }
         updateUserActivityTimeoutInWindowLayoutParams();
         mViewManager.updateViewLayout(mKeyguardHost, mWindowLayoutParams);
@@ -376,12 +391,6 @@ public class KeyguardViewManager {
         }
 
         if (options != null) {
-            if (options.getBoolean(LockPatternUtils.KEYGUARD_SHOW_USER_SWITCHER)) {
-                mKeyguardView.goToUserSwitcher();
-            }
-            if (options.getBoolean(LockPatternUtils.KEYGUARD_SHOW_SECURITY_CHALLENGE)) {
-                mKeyguardView.showNextSecurityScreenIfPresent();
-            }
             int widgetToShow = options.getInt(LockPatternUtils.KEYGUARD_SHOW_APPWIDGET,
                     AppWidgetManager.INVALID_APPWIDGET_ID);
             if (widgetToShow != AppWidgetManager.INVALID_APPWIDGET_ID) {
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
index 03be9ce..a39b2f7 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
@@ -24,6 +24,7 @@ import android.app.AlarmManager;
 import android.app.PendingIntent;
 import android.app.Profile;
 import android.app.ProfileManager;
+import android.app.SearchManager;
 import android.app.StatusBarManager;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
@@ -168,6 +169,9 @@ public class KeyguardViewMediator {
     /** UserManager for querying number of users */
     private UserManager mUserManager;
 
+    /** SearchManager for determining whether or not search assistant is available */
+    private SearchManager mSearchManager;
+
     /**
      * Used to keep the device awake while to ensure the keyguard finishes opening before
      * we sleep.
@@ -317,10 +321,7 @@ public class KeyguardViewMediator {
             // We need to force a reset of the views, since lockNow (called by
             // ActivityManagerService) will not reconstruct the keyguard if it is already showing.
             synchronized (KeyguardViewMediator.this) {
-                Bundle options = new Bundle();
-                options.putBoolean(LockPatternUtils.KEYGUARD_SHOW_USER_SWITCHER, true);
-                options.putBoolean(LockPatternUtils.KEYGUARD_SHOW_SECURITY_CHALLENGE, true);
-                resetStateLocked(options);
+                resetStateLocked(null);
                 adjustStatusBarLocked();
                 // Disable face unlock when the user switches.
                 KeyguardUpdateMonitor.getInstance(mContext).setAlternateUnlockEnabled(false);
@@ -535,6 +536,7 @@ public class KeyguardViewMediator {
      * Let us know that the system is ready after startup.
      */
     public void onSystemReady() {
+        mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
         synchronized (this) {
             if (DEBUG) Log.d(TAG, "onSystemReady");
             mSystemReady = true;
@@ -1354,6 +1356,9 @@ public class KeyguardViewMediator {
                     // showing secure lockscreen; disable ticker.
                     flags |= StatusBarManager.DISABLE_NOTIFICATION_TICKER;
                 }
+                if (!isAssistantAvailable()) {
+                    flags |= StatusBarManager.DISABLE_SEARCH;
+                }
             }
 
             if (DEBUG) {
@@ -1451,4 +1456,8 @@ public class KeyguardViewMediator {
         mKeyguardViewManager.showAssistant();
     }
 
+    private boolean isAssistantAvailable() {
+        return mSearchManager != null
+                && mSearchManager.getAssistIntent(mContext, UserHandle.USER_CURRENT) != null;
+    }
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetCarousel.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetCarousel.java
index debf765..257fd27 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetCarousel.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetCarousel.java
@@ -16,7 +16,6 @@
 package com.android.internal.policy.impl.keyguard;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
@@ -27,10 +26,10 @@ import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.view.animation.Interpolator;
 
-import java.util.ArrayList;
-
 import com.android.internal.R;
 
+import java.util.ArrayList;
+
 public class KeyguardWidgetCarousel extends KeyguardWidgetPager {
 
     private float mAdjacentPagesAngle;
@@ -56,17 +55,30 @@ public class KeyguardWidgetCarousel extends KeyguardWidgetPager {
         return MAX_SCROLL_PROGRESS;
     }
 
-    public float getAlphaForPage(int screenCenter, int index) {
+    public float getAlphaForPage(int screenCenter, int index, boolean showSidePages) {
         View child = getChildAt(index);
         if (child == null) return 0f;
 
+        boolean inVisibleRange = index >= getNextPage() - 1 && index <= getNextPage() + 1;
         float scrollProgress = getScrollProgress(screenCenter, child, index);
-        if (!isOverScrollChild(index, scrollProgress)) {
+
+        if (isOverScrollChild(index, scrollProgress)) {
+            return 1.0f;
+        } else if ((showSidePages && inVisibleRange) || index == getNextPage()) {
             scrollProgress = getBoundedScrollProgress(screenCenter, child, index);
             float alpha = 1.0f - 1.0f * Math.abs(scrollProgress / MAX_SCROLL_PROGRESS);
             return alpha;
         } else {
-            return 1.0f;
+            return 0f;
+        }
+    }
+
+    public float getOutlineAlphaForPage(int screenCenter, int index, boolean showSidePages) {
+        boolean inVisibleRange = index >= getNextPage() - 1 && index <= getNextPage() + 1;
+        if (inVisibleRange) {
+            return super.getOutlineAlphaForPage(screenCenter, index, showSidePages);
+        } else {
+            return 0f;
         }
     }
 
@@ -75,24 +87,32 @@ public class KeyguardWidgetCarousel extends KeyguardWidgetPager {
             mChildrenOutlineFadeAnimation.cancel();
             mChildrenOutlineFadeAnimation = null;
         }
+        boolean showSidePages = mShowingInitialHints || isPageMoving();
         if (!isReordering(false)) {
             for (int i = 0; i < getChildCount(); i++) {
                 KeyguardWidgetFrame child = getWidgetPageAt(i);
                 if (child != null) {
-                    child.setBackgroundAlpha(getOutlineAlphaForPage(screenCenter, i));
-                    child.setContentAlpha(getAlphaForPage(screenCenter, i));
+                    float outlineAlpha = getOutlineAlphaForPage(screenCenter, i, showSidePages);
+                    float contentAlpha = getAlphaForPage(screenCenter, i,showSidePages);
+                    child.setBackgroundAlpha(outlineAlpha);
+                    child.setContentAlpha(contentAlpha);
                 }
             }
         }
     }
 
     public void showInitialPageHints() {
+        mShowingInitialHints = true;
         int count = getChildCount();
         for (int i = 0; i < count; i++) {
+            boolean inVisibleRange = i >= getNextPage() - 1 && i <= getNextPage() + 1;
             KeyguardWidgetFrame child = getWidgetPageAt(i);
-            if (i >= mCurrentPage - 1 && i <= mCurrentPage + 1) {
-                child.fadeFrame(this, true, KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER,
-                        CHILDREN_OUTLINE_FADE_IN_DURATION);
+            if (inVisibleRange) {
+                child.setBackgroundAlpha(KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER);
+                child.setContentAlpha(1f);
+            } else {
+                child.setBackgroundAlpha(0f);
+                child.setContentAlpha(0f);
             }
         }
     }
@@ -220,8 +240,8 @@ public class KeyguardWidgetCarousel extends KeyguardWidgetPager {
 
         for (int i = 0; i < count; i++) {
             KeyguardWidgetFrame child = getWidgetPageAt(i);
-            float finalAlpha = getAlphaForPage(mScreenCenter, i);
-            float finalOutlineAlpha = getOutlineAlphaForPage(mScreenCenter, i);
+            float finalAlpha = getAlphaForPage(mScreenCenter, i, true);
+            float finalOutlineAlpha = getOutlineAlphaForPage(mScreenCenter, i, true);
             getTransformForPage(mScreenCenter, i, mTmpTransform);
 
             boolean inVisibleRange = (i >= mCurrentPage - 1 && i <= mCurrentPage + 1);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
index 3c79206..babb9cb 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
@@ -424,7 +424,9 @@ public class KeyguardWidgetFrame extends FrameLayout {
             mBgAlphaController = caller;
         }
 
-        if (mBgAlphaController != caller) return;
+        if (mBgAlphaController != caller && mBgAlphaController != null) {
+            return;
+        }
 
         if (mFrameFade != null) {
             mFrameFade.cancel();
@@ -512,6 +514,10 @@ public class KeyguardWidgetFrame extends FrameLayout {
         return false;
     }
 
+    public void onBouncerShowing(boolean showing) {
+        // hook for subclasses
+    }
+
     public void setWorkerHandler(Handler workerHandler) {
         mWorkerHandler = workerHandler;
     }
@@ -519,4 +525,5 @@ public class KeyguardWidgetFrame extends FrameLayout {
     public Handler getWorkerHandler() {
         return mWorkerHandler;
     }
+
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
index 2d36d05..db87a291 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
@@ -75,6 +75,12 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
     private Callbacks mCallbacks;
 
     private int mWidgetToResetAfterFadeOut;
+    protected boolean mShowingInitialHints = false;
+
+    // A temporary handle to the Add-Widget view
+    private View mAddWidgetView;
+    private int mLastWidthMeasureSpec;
+    private int mLastHeightMeasureSpec;
 
     // Bouncer
     private int mBouncerZoomInOutDuration = 250;
@@ -252,18 +258,18 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         public void userActivity();
         public void onUserActivityTimeoutChanged();
         public void onAddView(View v);
-        public void onRemoveView(View v);
+        public void onRemoveView(View v, boolean deletePermanently);
+        public void onRemoveViewAnimationCompleted();
     }
 
     public void addWidget(View widget) {
         addWidget(widget, -1);
     }
 
-
-    public void onRemoveView(View v) {
+    public void onRemoveView(View v, final boolean deletePermanently) {
         final int appWidgetId = ((KeyguardWidgetFrame) v).getContentAppWidgetId();
         if (mCallbacks != null) {
-            mCallbacks.onRemoveView(v);
+            mCallbacks.onRemoveView(v, deletePermanently);
         }
         mBackgroundWorkerHandler.post(new Runnable() {
             @Override
@@ -273,6 +279,13 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         });
     }
 
+    @Override
+    public void onRemoveViewAnimationCompleted() {
+        if (mCallbacks != null) {
+            mCallbacks.onRemoveViewAnimationCompleted();
+        }
+    }
+
     public void onAddView(View v, final int index) {
         final int appWidgetId = ((KeyguardWidgetFrame) v).getContentAppWidgetId();
         final int[] pagesRange = new int[mTempVisiblePagesRange.length];
@@ -473,12 +486,21 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
     private void updatePageAlphaValues(int screenCenter) {
     }
 
-    public float getAlphaForPage(int screenCenter, int index) {
-        return 1f;
+    public float getAlphaForPage(int screenCenter, int index, boolean showSidePages) {
+        if (showSidePages) {
+            return 1f;
+        } else {
+            return index == mCurrentPage ? 1.0f : 0f;
+        }
     }
 
-    public float getOutlineAlphaForPage(int screenCenter, int index) {
-        return getAlphaForPage(screenCenter, index) * KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER;
+    public float getOutlineAlphaForPage(int screenCenter, int index, boolean showSidePages) {
+        if (showSidePages) {
+            return getAlphaForPage(screenCenter, index, showSidePages)
+                    * KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER;
+        } else {
+            return 0f;
+        }
     }
 
     protected boolean isOverScrollChild(int index, float scrollProgress) {
@@ -578,12 +600,12 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
     }
 
     public void showInitialPageHints() {
+        mShowingInitialHints = true;
         int count = getChildCount();
         for (int i = 0; i < count; i++) {
             KeyguardWidgetFrame child = getWidgetPageAt(i);
             if (i != mCurrentPage) {
-                child.fadeFrame(this, true, KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER,
-                        CHILDREN_OUTLINE_FADE_IN_DURATION);
+                child.setBackgroundAlpha(KeyguardWidgetFrame.OUTLINE_ALPHA_MULTIPLIER);
                 child.setContentAlpha(0f);
             } else {
                 child.setBackgroundAlpha(0f);
@@ -592,10 +614,6 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         }
     }
 
-    public void showSidePageHints() {
-        animateOutlinesAndSidePages(true, -1);
-    }
-
     @Override
     void setCurrentPage(int currentPage) {
         super.setCurrentPage(currentPage);
@@ -608,12 +626,10 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         mHasMeasure = false;
     }
 
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        super.onLayout(changed, left, top, right, bottom);
-    }
-
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        mLastWidthMeasureSpec = widthMeasureSpec;
+        mLastHeightMeasureSpec = heightMeasureSpec;
+
         int maxChallengeTop = -1;
         View parent = (View) getParent();
         boolean challengeShowing = false;
@@ -674,7 +690,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
         for (int i = 0; i < count; i++) {
             float finalContentAlpha;
             if (show) {
-                finalContentAlpha = getAlphaForPage(mScreenCenter, i);
+                finalContentAlpha = getAlphaForPage(mScreenCenter, i, true);
             } else if (!show && i == curPage) {
                 finalContentAlpha = 1f;
             } else {
@@ -686,7 +702,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
             ObjectAnimator a = ObjectAnimator.ofPropertyValuesHolder(child, alpha);
             anims.add(a);
 
-            float finalOutlineAlpha = show ? getOutlineAlphaForPage(mScreenCenter, i) : 0f;
+            float finalOutlineAlpha = show ? getOutlineAlphaForPage(mScreenCenter, i, true) : 0f;
             child.fadeFrame(this, show, finalOutlineAlpha, duration);
         }
 
@@ -712,6 +728,7 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
                         frame.resetSize();
                     }
                     mWidgetToResetAfterFadeOut = -1;
+                    mShowingInitialHints = false;
                 }
                 updateWidgetFramesImportantForAccessibility();
             }
@@ -791,6 +808,9 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
             mZoomInOutAnim.setInterpolator(new DecelerateInterpolator(1.5f));
             mZoomInOutAnim.start();
         }
+        if (currentPage instanceof KeyguardWidgetFrame) {
+            ((KeyguardWidgetFrame)currentPage).onBouncerShowing(false);
+        }
     }
 
     // Zoom out after the bouncer is initiated
@@ -816,6 +836,27 @@ public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwit
             mZoomInOutAnim.setInterpolator(new DecelerateInterpolator(1.5f));
             mZoomInOutAnim.start();
         }
+        if (currentPage instanceof KeyguardWidgetFrame) {
+            ((KeyguardWidgetFrame)currentPage).onBouncerShowing(true);
+        }
+    }
+
+    void setAddWidgetEnabled(boolean enabled) {
+        if (mAddWidgetView != null && enabled) {
+            addView(mAddWidgetView, 0);
+            // We need to force measure the PagedView so that the calls to update the scroll
+            // position below work
+            measure(mLastWidthMeasureSpec, mLastHeightMeasureSpec);
+            // Bump up the current page to account for the addition of the new page
+            setCurrentPage(mCurrentPage + 1);
+            mAddWidgetView = null;
+        } else if (mAddWidgetView == null && !enabled) {
+            View addWidget = findViewById(com.android.internal.R.id.keyguard_add_widget);
+            if (addWidget != null) {
+                mAddWidgetView = addWidget;
+                removeView(addWidget);
+            }
+        }
     }
 
     boolean isAddPage(int pageIndex) {
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java b/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
index 3900ab4..539ec1a 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
@@ -1019,15 +1019,22 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
         return  (x > (getViewportOffsetX() + getViewportWidth() - getRelativeChildOffset(mCurrentPage) + mPageSpacing));
     }
 
-    /** Returns whether x and y originated within the buffered/unbuffered viewport */
-    private boolean isTouchPointInViewport(int x, int y, boolean buffer) {
-        if (buffer) {
-            mTmpRect.set(mViewport.left - mViewport.width() / 2, mViewport.top,
-                    mViewport.right + mViewport.width() / 2, mViewport.bottom);
+    /** Returns whether x and y originated within the buffered viewport */
+    private boolean isTouchPointInViewportWithBuffer(int x, int y) {
+        mTmpRect.set(mViewport.left - mViewport.width() / 2, mViewport.top,
+                mViewport.right + mViewport.width() / 2, mViewport.bottom);
+        return mTmpRect.contains(x, y);
+    }
+
+    /** Returns whether x and y originated within the current page view bounds */
+    private boolean isTouchPointInCurrentPage(int x, int y) {
+        View v = getPageAt(getCurrentPage());
+        if (v != null) {
+            mTmpRect.set((v.getLeft() - getScrollX()), 0, (v.getRight() - getScrollX()),
+                    v.getBottom());
             return mTmpRect.contains(x, y);
-        } else {
-            return mViewport.contains(x, y);
         }
+        return false;
     }
 
     @Override
@@ -1108,7 +1115,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                     mTouchState = TOUCH_STATE_REST;
                     mScroller.abortAnimation();
                 } else {
-                    if (isTouchPointInViewport((int) mDownMotionX, (int) mDownMotionY, true)) {
+                    if (isTouchPointInViewportWithBuffer((int) mDownMotionX, (int) mDownMotionY)) {
                         mTouchState = TOUCH_STATE_SCROLLING;
                     } else {
                         mTouchState = TOUCH_STATE_REST;
@@ -1135,7 +1142,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
             case MotionEvent.ACTION_CANCEL:
                 resetTouchState();
                 // Just intercept the touch event on up if we tap outside the strict viewport
-                if (!isTouchPointInViewport((int) mLastMotionX, (int) mLastMotionY, false)) {
+                if (!isTouchPointInCurrentPage((int) mLastMotionX, (int) mLastMotionY)) {
                     return true;
                 }
                 break;
@@ -1169,7 +1176,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
         // Disallow scrolling if we started the gesture from outside the viewport
         final float x = ev.getX(pointerIndex);
         final float y = ev.getY(pointerIndex);
-        if (!isTouchPointInViewport((int) x, (int) y, true)) return;
+        if (!isTouchPointInViewportWithBuffer((int) x, (int) y)) return;
 
         // If we're only allowing edge swipes, we break out early if the down event wasn't
         // at the edge.
@@ -1457,7 +1464,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                                 }
 
                                 removeView(mDragView);
-                                onRemoveView(mDragView);
+                                onRemoveView(mDragView, false);
                                 addView(mDragView, pageUnderPointIndex);
                                 onAddView(mDragView, pageUnderPointIndex);
                                 mSidePageHoverIndex = -1;
@@ -1587,7 +1594,8 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
     }
 
     //public abstract void onFlingToDelete(View v);
-    public abstract void onRemoveView(View v);
+    public abstract void onRemoveView(View v, boolean deletePermanently);
+    public abstract void onRemoveViewAnimationCompleted();
     public abstract void onAddView(View v, int index);
 
     private void resetTouchState() {
@@ -2383,6 +2391,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                             public void run() {
                                 mDeferringForDelete = false;
                                 onEndReordering();
+                                onRemoveViewAnimationCompleted();
                             }
                         };
                         zoomIn(onCompleteRunnable);
@@ -2391,7 +2400,7 @@ public abstract class PagedView extends ViewGroup implements ViewGroup.OnHierarc
                 slideAnimations.start();
 
                 removeView(dragView);
-                onRemoveView(dragView);
+                onRemoveView(dragView, true);
             }
         };
     }