[Settings] Adopt comfirm SIM deletion to euicc reset UI

There's an "Erase downloaded SIMs" option within reset options UI.
When reset EUICC, eSIM profile might get removed.
There's a security feature "Confirm SIM deletion" need to be applied in
this case.

Bug: 194145231
Test: local
Change-Id: I1798dfe347be7d0610a12fb79f103efece2ab240

src/com/android/settings/network/helper/ConfirmationSimDeletionPredicate.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2021 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.network.helper;
+
+import android.app.KeyguardManager;
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.R;
+
+import java.util.function.Predicate;
+
+/**
+ * {@link Predicate} for detecting the configuration of confirm SIM deletion.
+ */
+public class ConfirmationSimDeletionPredicate implements Predicate<Context> {
+
+    public static final String KEY_CONFIRM_SIM_DELETION = "confirm_sim_deletion";
+
+    private static final ConfirmationSimDeletionPredicate sSingleton =
+            new ConfirmationSimDeletionPredicate();
+
+    // Get singleton of this predicate
+    public static final ConfirmationSimDeletionPredicate getSingleton() {
+        return sSingleton;
+    }
+
+    /**
+     * Get default configuration of confirm SIM deletion.
+     *
+     * @param Context context
+     * @return the configuration of confirm SIM deletion
+     */
+    private static boolean getDefaultValue(Context context) {
+        return context.getResources()
+                .getBoolean(R.bool.config_sim_deletion_confirmation_default_on);
+    }
+
+    /**
+     * Get the configuration of confirm SIM deletion.
+     *
+     * @param Context context
+     * @return the configuration of confirm SIM deletion
+     */
+    public boolean test(Context context) {
+        final KeyguardManager keyguardManager = context.getSystemService(KeyguardManager.class);
+        if ((keyguardManager != null) && !keyguardManager.isKeyguardSecure()) {
+            return false;
+        }
+        return Settings.Global.getInt(context.getContentResolver(), KEY_CONFIRM_SIM_DELETION,
+                getDefaultValue(context) ? 1 : 0) == 1;
+    }
+}