Merge "Keyguard can be on even if not showing"

services/core/java/com/android/server/policy/PhoneWindowManager.java

@@ -3334,7 +3334,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     }
 
     boolean keyguardOn() {
-        return isKeyguardShowingAndNotOccluded();
+        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
     }
 
     private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
@@ -6876,6 +6876,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         return mKeyguardOccluded;
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public boolean inKeyguardRestrictedKeyInputMode() {
+        if (mKeyguardDelegate == null) return false;
+        return mKeyguardDelegate.isInputRestricted();
+    }
+
     @Override
     public void dismissKeyguardLw(IKeyguardDismissCallback callback) {
         if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {

services/core/java/com/android/server/policy/WindowManagerPolicy.java

@@ -1359,6 +1359,17 @@ public interface WindowManagerPolicy extends WindowManagerPolicyConstants {
      */
     public boolean isKeyguardTrustedLw();
 
+    /**
+     * inKeyguardRestrictedKeyInputMode
+     *
+     * If keyguard screen is showing or in restricted key input mode (i.e. in
+     * keyguard password emergency screen). When in such mode, certain keys,
+     * such as the Home key and the right soft keys, don't work.
+     *
+     * @return true if in keyguard restricted input mode.
+     */
+    public boolean inKeyguardRestrictedKeyInputMode();
+
     /**
      * Ask the policy to dismiss the keyguard, if it is currently shown.
      *

services/tests/servicestests/src/com/android/server/wm/TestWindowManagerPolicy.java

@@ -410,6 +410,11 @@ class TestWindowManagerPolicy implements WindowManagerPolicy {
         return false;
     }
 
+    @Override
+    public boolean inKeyguardRestrictedKeyInputMode() {
+        return false;
+    }
+
     @Override
     public void dismissKeyguardLw(@Nullable IKeyguardDismissCallback callback) {
     }