Merge "Show the disclaimer for WFC emergency call limitation"

src/com/android/settings/wifi/calling/DisclaimerItemFactory.java

@@ -52,6 +52,7 @@ public final class DisclaimerItemFactory {
     private static List<DisclaimerItem> getDisclaimerItemList(Context context, int subId) {
         List<DisclaimerItem> itemList = new ArrayList<DisclaimerItem>();
         itemList.add(new LocationPolicyDisclaimer(context, subId));
+        itemList.add(new EmergencyCallLimitationDisclaimer(context, subId));
 
         return itemList;
     }

src/com/android/settings/wifi/calling/EmergencyCallLimitationDisclaimer.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2018 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.wifi.calling;
+
+import android.content.Context;
+import android.telephony.CarrierConfigManager;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.R;
+
+/**
+ * Disclaimer item class for displaying emergency call limitation UI on
+ * {@link WifiCallingDisclaimerFragment}.
+ */
+public class EmergencyCallLimitationDisclaimer extends DisclaimerItem {
+    private static final String DISCLAIMER_ITEM_NAME = "EmergencyCallLimitationDisclaimer";
+    @VisibleForTesting
+    static final String KEY_HAS_AGREED_EMERGENCY_LIMITATION_DISCLAIMER =
+            "key_has_agreed_emergency_limitation_disclaimer";
+    private static final int UNINITIALIZED_DELAY_VALUE = -1;
+
+    public EmergencyCallLimitationDisclaimer(Context context, int subId) {
+        super(context, subId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    boolean shouldShow() {
+        final int notificationDelay = getCarrierConfig().getInt(
+                CarrierConfigManager.KEY_EMERGENCY_NOTIFICATION_DELAY_INT);
+        if (notificationDelay == UNINITIALIZED_DELAY_VALUE) {
+            logd("shouldShow: false due to carrier config is default(-1).");
+            return false;
+        }
+
+        return super.shouldShow();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected String getName() {
+        return DISCLAIMER_ITEM_NAME;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected int getTitleId() {
+        return R.string.wfc_disclaimer_emergency_limitation_title_text;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected int getMessageId() {
+        return R.string.wfc_disclaimer_emergency_limitation_desc_text;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected String getPrefKey() {
+        return KEY_HAS_AGREED_EMERGENCY_LIMITATION_DISCLAIMER;
+    }
+}