Add One Lock settings inside private space settings page

This includes below changes:
1. Add new sub settings page in Private Space settings with option to
   swithch between private profile lock and device screen lock
2. Call Private profile lock setup when swithcing to private lock from
   screen lock.
3. Preference to change private lock when a separate Private lock is set

Bug: 308862923
Test: atest UseOneLockPreferenceControllerTest,
PrivateSpaceLockControllerTest

Change-Id: I0a6d8c7dfbd0ffea19db03ffd6dfe7aa520c9684

src/com/android/settings/privatespace/onelock/UseOneLockController.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.privatespace.onelock;
+
+import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PASSWORD;
+import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PATTERN;
+import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_PIN;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.util.Log;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.privatespace.PrivateSpaceMaintainer;
+
+/** Represents the preference controller for using the same lock as the screen lock */
+public class UseOneLockController extends BasePreferenceController {
+    private static final String TAG = "UseOneLockController";
+    private final LockPatternUtils mLockPatternUtils;
+    private final PrivateSpaceMaintainer mPrivateSpaceMaintainer;
+
+    public UseOneLockController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mPrivateSpaceMaintainer = PrivateSpaceMaintainer.getInstance(mContext);
+        mLockPatternUtils = FeatureFactory.getFeatureFactory()
+                .getSecurityFeatureProvider()
+                .getLockPatternUtils(context);
+    }
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return 0;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        UserHandle privateProfileHandle = mPrivateSpaceMaintainer.getPrivateProfileHandle();
+        if (privateProfileHandle != null) {
+            int privateUserId = privateProfileHandle.getIdentifier();
+            if (mLockPatternUtils.isSeparateProfileChallengeEnabled(privateUserId)) {
+                return mContext.getString(getCredentialTypeResId(privateUserId));
+            }
+        } else {
+            Log.w(TAG, "Did not find Private Space.");
+        }
+        return mContext.getString(R.string.private_space_screen_lock_summary);
+    }
+
+    private int getCredentialTypeResId(int userId) {
+        int credentialType = mLockPatternUtils.getCredentialTypeForUser(userId);
+        switch (credentialType) {
+            case CREDENTIAL_TYPE_PATTERN:
+                return R.string.unlock_set_unlock_mode_pattern;
+            case CREDENTIAL_TYPE_PIN:
+                return R.string.unlock_set_unlock_mode_pin;
+            case CREDENTIAL_TYPE_PASSWORD:
+                return R.string.unlock_set_unlock_mode_password;
+            default:
+                // This is returned for CREDENTIAL_TYPE_NONE
+                return R.string.unlock_set_unlock_mode_off;
+        }
+    }
+}