DO NOT MERGE cherry-picked FU framework tablet commits

- cherry-picking framework CLs from master into ics-mr1 that are
  needed for FU to work on tablets

- needed for OEM partners even FU isn't going on xoom

Squashed commit of the following:

commit 3258f2528f558efdaf34ae15c5425f2d879848fe
Author: Brian Colonna <bcolonna@google.com>
Date:   Tue Dec 13 15:49:48 2011 -0500

    Added Face Unlock to tablet lockscreen layouts

    The Face Unlock Area was not part of the tablet layouts, so prior to
    this change, Face Unlock would not show up on tablets when selected as
    the unlock method.  The backup unlock method would show up instead.

    The goal here is for the pattern and PIN unlock layouts (in both
    portrait and landscape mode) to look the same as before this change.
    This was a little harder than it was with the phone layouts for two
    reasons:

    1) For the phones it was ok for Face Unlock to be sized such that it
    just covers the backup method.  For the tablets we want Face Unlock
    to cover far more real estate.

    2) The phones were based on a grid layout, whereas the tablet is a
    linear layout.

    Note that the diff makes the modifications look way more extensive
    than they actually are.  Basically, in most cases I am putting a
    relative layout around some existing portion of the layout and
    putting the Face Unlock Area area inside of the new relative layout.

    Change-Id: I478becddf2a9ee9fe7b6d653e604fa3ad89b822f

commit 821cfe85cf2b3daf074d9749dbf6e0a5663af0de
Author: Brian Colonna <bcolonna@google.com>
Date:   Mon Dec 19 15:51:10 2011 -0500

    Unbinding from FU when going to backup

    Lockscreen was stopping Face Unlock when going to the backup lock, but
    not unbinding from the Face Unlock service until the device was
    unlocked.

    This caused a bug on the tablets where Face Unlock would reappear when
    switching between portait and landscape orientations, even after the
    backup lock was exposed.  On an orientation change, Face Unlock is
    restarted if the service is bound to during the orientation change.
    Since it was bound to when it should not have been, Face Unlock was
    restarting when it should not have been.

    The wakelock is also now being poked on an orientation change because
    on the tablet you can keep Face Unlock alive by switching the
    orientation back and forth, but eventually the screen would go dark
    with Face Unlock running.

    Also, a conditional was moved in activateFaceLockIfAble() so the whole
    section isn't executed if Face Unlock is not in use.  Part of it was
    being executed with only the inner-most part having the check.  This
    did not cause any issues that I am aware of.

    Change-Id: Ib452b8ced28a507bf9272dbf5d3477a8abd1ba90

commit fa90bb76ac6b311d12b55d23df4ac44cec62c7b3
Author: Brian Colonna <bcolonna@google.com>
Date:   Mon Dec 12 18:02:23 2011 -0500

    Changed how Face Unlock coordinates are specified

    Was using View.getLeft() and View.getTop() to specify the upper-left
    corner of the Face Unlock area.  That gives coordinates relative the
    view, which was fine for the phones.  For the tablet it needs
    coordinates relative to the window (which still works for the phones).

    Also fixed a 'bug' where h and w were swapped.  However, it wasn't
    causing a problem because it was swapped in two places.

    Change-Id: I86c1f68439f1dcef826cfe6b8fb56c9a4a6b8dc3

Change-Id: I962c0486be85949e002b0a2701286a6a39251f36

1 files changed, 17 insertions, 9 deletions

diff --git a/policy/src/com/android/internal/policy/impl/LockPatternKeyguardView.java b/policy/src/com/android/internal/policy/impl/LockPatternKeyguardView.java
index 6eff4b6..d1d9e9a 100644
--- a/policy/src/com/android/internal/policy/impl/LockPatternKeyguardView.java
+++ b/policy/src/com/android/internal/policy/impl/LockPatternKeyguardView.java
@@ -584,15 +584,20 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
                 (failedBackupAttempts >= LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT);
         if (tooManyFaceUnlockTries) Log.i(TAG, "tooManyFaceUnlockTries: " + tooManyFaceUnlockTries);
         if (mUpdateMonitor.getPhoneState() == TelephonyManager.CALL_STATE_IDLE
+                && usingFaceLock()
                 && !mHasOverlay
                 && !tooManyFaceUnlockTries
                 && !backupIsTimedOut) {
             bindToFaceLock();
+
             // Show FaceLock area, but only for a little bit so lockpattern will become visible if
             // FaceLock fails to start or crashes
-            if (usingFaceLock()) {
-                showFaceLockAreaWithTimeout(FACELOCK_VIEW_AREA_SERVICE_TIMEOUT);
-            }
+            showFaceLockAreaWithTimeout(FACELOCK_VIEW_AREA_SERVICE_TIMEOUT);
+
+            // When switching between portrait and landscape view while FaceLock is running, the
+            // screen will eventually go dark unless we poke the wakelock when FaceLock is
+            // restarted
+            mKeyguardScreenCallback.pokeWakelock();
         } else {
             hideFaceLockArea();
         }
@@ -1292,8 +1297,11 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
             }
 
             if (mFaceLockAreaView != null) {
+                int[] faceLockPosition;
+                faceLockPosition = new int[2];
+                mFaceLockAreaView.getLocationInWindow(faceLockPosition);
                 startFaceLock(mFaceLockAreaView.getWindowToken(),
-                        mFaceLockAreaView.getLeft(), mFaceLockAreaView.getTop(),
+                        faceLockPosition[0], faceLockPosition[1],
                         mFaceLockAreaView.getWidth(), mFaceLockAreaView.getHeight());
             }
         }
@@ -1311,14 +1319,14 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
     };
 
     // Tells the FaceLock service to start displaying its UI and perform recognition
-    public void startFaceLock(IBinder windowToken, int x, int y, int h, int w)
+    public void startFaceLock(IBinder windowToken, int x, int y, int w, int h)
     {
         if (usingFaceLock()) {
             synchronized (mFaceLockServiceRunningLock) {
                 if (!mFaceLockServiceRunning) {
                     if (DEBUG) Log.d(TAG, "Starting FaceLock");
                     try {
-                        mFaceLockService.startUi(windowToken, x, y, h, w);
+                        mFaceLockService.startUi(windowToken, x, y, w, h);
                     } catch (RemoteException e) {
                         Log.e(TAG, "Caught exception starting FaceLock: " + e.toString());
                         return;
@@ -1360,7 +1368,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
         public void unlock() {
             if (DEBUG) Log.d(TAG, "FaceLock unlock()");
             showFaceLockArea(); // Keep fallback covered
-            stopFaceLock();
+            stopAndUnbindFromFaceLock();
 
             mKeyguardScreenCallback.keyguardDone(true);
             mKeyguardScreenCallback.reportSuccessfulUnlockAttempt();
@@ -1372,7 +1380,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
         public void cancel() {
             if (DEBUG) Log.d(TAG, "FaceLock cancel()");
             hideFaceLockArea(); // Expose fallback
-            stopFaceLock();
+            stopAndUnbindFromFaceLock();
             mKeyguardScreenCallback.pokeWakelock(BACKUP_LOCK_TIMEOUT);
         }
 
@@ -1383,7 +1391,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase implements Handler
             if (DEBUG) Log.d(TAG, "FaceLock reportFailedAttempt()");
             mFailedFaceUnlockAttempts++;
             hideFaceLockArea(); // Expose fallback
-            stopFaceLock();
+            stopAndUnbindFromFaceLock();
             mKeyguardScreenCallback.pokeWakelock(BACKUP_LOCK_TIMEOUT);
         }