Merge "Add Keyguard DPM state change callback" into tm-dev am: 1620daee63

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17379563

Change-Id: I96d2263b2cf002bf48df96750044210beaddbe45
Signed-off-by: Automerger Merge Worker

packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java

@@ -233,6 +233,13 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
                     mSecurityViewFlipperController.reloadColors();
                 }
             };
+    private final KeyguardUpdateMonitorCallback mKeyguardUpdateMonitorCallback =
+            new KeyguardUpdateMonitorCallback() {
+        @Override
+        public void onDevicePolicyManagerStateChanged() {
+            showPrimarySecurityScreen(false);
+        }
+    };
 
     private KeyguardSecurityContainerController(KeyguardSecurityContainer view,
             AdminSecondaryLockScreenController.Factory adminSecondaryLockScreenControllerFactory,
@@ -279,6 +286,7 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
 
     @Override
     protected void onViewAttached() {
+        mUpdateMonitor.registerCallback(mKeyguardUpdateMonitorCallback);
         mView.setSwipeListener(mSwipeListener);
         mView.addMotionEventListener(mGlobalTouchListener);
         mConfigurationController.addCallback(mConfigurationListener);
@@ -286,6 +294,7 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard
 
     @Override
     protected void onViewDetached() {
+        mUpdateMonitor.removeCallback(mKeyguardUpdateMonitorCallback);
         mConfigurationController.removeCallback(mConfigurationListener);
         mView.removeMotionEventListener(mGlobalTouchListener);
     }

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java

@@ -2723,12 +2723,20 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
     }
 
     /**
-     * Handle {@link #MSG_DPM_STATE_CHANGED}
+     * Handle {@link #MSG_DPM_STATE_CHANGED} which can change primary authentication methods to
+     * pin/pattern/password/none.
      */
     private void handleDevicePolicyManagerStateChanged(int userId) {
         Assert.isMainThread();
         updateFingerprintListeningState(BIOMETRIC_ACTION_UPDATE);
         updateSecondaryLockscreenRequirement(userId);
+
+        for (int i = 0; i < mCallbacks.size(); i++) {
+            KeyguardUpdateMonitorCallback cb = mCallbacks.get(i).get();
+            if (cb != null) {
+                cb.onDevicePolicyManagerStateChanged();
+            }
+        }
     }
 
     /**

packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitorCallback.java

@@ -299,6 +299,11 @@ public class KeyguardUpdateMonitorCallback {
      */
     public void onSecondaryLockscreenRequirementChanged(int userId) { }
 
+    /**
+     * Called when device policy manager state changes.
+     */
+    public void onDevicePolicyManagerStateChanged() { }
+
     /**
      * Called when notifying user to unlock in order to use NFC.
      */