Post SUW Slot Change Receiver Migration

Implement the case when user inserts / removes pSIM during the SUW.
Bug: 153811431
Bug: 170508680
Test: Manually tested

Change-Id: Iccc3a2fd416ccfb57c3b4f9dc7b32c0b7681c90b

src/com/android/settings/sim/receivers/SuwFinishReceiver.java

@@ -0,0 +1,51 @@
+/*
+ * 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.sim.receivers;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+import com.android.settings.R;
+import com.android.settingslib.utils.ThreadUtils;
+
+/** The receiver when SUW is finished. */
+public class SuwFinishReceiver extends BroadcastReceiver {
+    private static final String TAG = "SuwFinishReceiver";
+
+    private final SimSlotChangeHandler mSlotChangeHandler = SimSlotChangeHandler.get();
+    private final Object mLock = new Object();
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (!context.getResources().getBoolean(R.bool.config_handle_sim_slot_change)) {
+            Log.i(TAG, "The flag is off. Ignore SUW finish event.");
+            return;
+        }
+
+        final BroadcastReceiver.PendingResult pendingResult = goAsync();
+        ThreadUtils.postOnBackgroundThread(
+                () -> {
+                    synchronized (mLock) {
+                        Log.i(TAG, "Detected SUW finished. Checking slot events.");
+                        mSlotChangeHandler.onSuwFinish(context.getApplicationContext());
+                    }
+                    ThreadUtils.postOnMainThread(pendingResult::finish);
+                });
+    }
+}