Let IMMS call isKeyguardSecure() for the correct user

InputMethodManagerService has been using

  KeyguardManager#isKeyguardSecure()

to fine tune when the IME swicher icon should be shown on the lock
screen [1].  However a recent CL made that API @UserHandleAware [2],
which was not reflected in InputMethodManagerService yet.

With this CL, InputMethodManagerService can query isKeyguardSecure()
for the correct user.  A bonus is that this CL removes the direct
dependency on KeyguardManager from InputMethodManagerService.

 [1]: I2ae7fc7676e5b64d8910dbc6833d3042e8d2329a
      d2bc309f06
 [2]: Ieb7217f5e1dddb65f8987242e675c3dff0a80aab
      2bdc21e6a9

Fix: 251459998
Test: presubmit
Change-Id: Ia29e303fe07fd876ea2ecfb937c1fb5b867a0e89

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

@@ -69,7 +69,6 @@ import android.annotation.UiThread;
 import android.annotation.UserIdInt;
 import android.app.ActivityManager;
 import android.app.ActivityManagerInternal;
-import android.app.KeyguardManager;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
@@ -337,7 +336,6 @@ public final class InputMethodManagerService extends IInputMethodManager.Stub
 
     // Ongoing notification
     private NotificationManager mNotificationManager;
-    KeyguardManager mKeyguardManager;
     @Nullable private StatusBarManagerInternal mStatusBarManagerInternal;
     private final Notification.Builder mImeSwitcherNotification;
     private final PendingIntent mImeSwitchPendingIntent;
@@ -1941,7 +1939,6 @@ public final class InputMethodManagerService extends IInputMethodManager.Stub
                 final int currentUserId = mSettings.getCurrentUserId();
                 mSettings.switchCurrentUser(currentUserId,
                         !mUserManagerInternal.isUserUnlockingOrUnlocked(currentUserId));
-                mKeyguardManager = mContext.getSystemService(KeyguardManager.class);
                 mNotificationManager = mContext.getSystemService(NotificationManager.class);
                 mStatusBarManagerInternal =
                         LocalServices.getService(StatusBarManagerInternal.class);
@@ -3005,7 +3002,9 @@ public final class InputMethodManagerService extends IInputMethodManager.Stub
         if (!mShowOngoingImeSwitcherForPhones) return false;
         if (mMenuController.getSwitchingDialogLocked() != null) return false;
         if (mWindowManagerInternal.isKeyguardShowingAndNotOccluded()
-                && mKeyguardManager != null && mKeyguardManager.isKeyguardSecure()) return false;
+                && mWindowManagerInternal.isKeyguardSecure(mSettings.getCurrentUserId())) {
+            return false;
+        }
         if ((visibility & InputMethodService.IME_ACTIVE) == 0
                 || (visibility & InputMethodService.IME_INVISIBLE) != 0) {
             return false;

services/core/java/com/android/server/inputmethod/InputMethodMenuController.java

@@ -21,7 +21,6 @@ import static com.android.server.inputmethod.InputMethodUtils.NOT_A_SUBTYPE_ID;
 
 import android.annotation.Nullable;
 import android.app.AlertDialog;
-import android.app.KeyguardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.res.TypedArray;
@@ -56,7 +55,6 @@ final class InputMethodMenuController {
     private final InputMethodUtils.InputMethodSettings mSettings;
     private final InputMethodSubtypeSwitchingController mSwitchingController;
     private final ArrayMap<String, InputMethodInfo> mMethodMap;
-    private final KeyguardManager mKeyguardManager;
     private final WindowManagerInternal mWindowManagerInternal;
 
     private AlertDialog.Builder mDialogBuilder;
@@ -76,7 +74,6 @@ final class InputMethodMenuController {
         mSettings = mService.mSettings;
         mSwitchingController = mService.mSwitchingController;
         mMethodMap = mService.mMethodMap;
-        mKeyguardManager = mService.mKeyguardManager;
         mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
     }
 
@@ -209,8 +206,8 @@ final class InputMethodMenuController {
     }
 
     private boolean isScreenLocked() {
-        return mKeyguardManager != null && mKeyguardManager.isKeyguardLocked()
-                && mKeyguardManager.isKeyguardSecure();
+        return mWindowManagerInternal.isKeyguardLocked()
+                && mWindowManagerInternal.isKeyguardSecure(mSettings.getCurrentUserId());
     }
 
     void updateKeyboardFromSettingsLocked() {

services/core/java/com/android/server/wm/WindowManagerInternal.java

@@ -21,6 +21,7 @@ import static java.lang.annotation.RetentionPolicy.SOURCE;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.UserIdInt;
 import android.content.ClipData;
 import android.content.Context;
 import android.graphics.Matrix;
@@ -451,6 +452,15 @@ public abstract class WindowManagerInternal {
     */
     public abstract boolean isKeyguardShowingAndNotOccluded();
 
+    /**
+     * Return whether the keyguard is secured by a PIN, pattern or password or a SIM card is
+     * currently locked.
+     *
+     * @param userId User ID to be queried about.
+     * @return {@code true} if a PIN, pattern or password is set or a SIM card is locked.
+     */
+    public abstract boolean isKeyguardSecure(@UserIdInt int userId);
+
     /**
      * Gets the frame of a window given its token.
      *

services/core/java/com/android/server/wm/WindowManagerService.java

@@ -7762,6 +7762,11 @@ public class WindowManagerService extends IWindowManager.Stub
             return WindowManagerService.this.isKeyguardShowingAndNotOccluded();
         }
 
+        @Override
+        public boolean isKeyguardSecure(@UserIdInt int userId) {
+            return mPolicy.isKeyguardSecure(userId);
+        }
+
         @Override
         public void showGlobalActions() {
             WindowManagerService.this.showGlobalActions();