1 files changed, 72 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/voicemail/error/VoicemailStatusWorker.java b/java/com/android/dialer/app/voicemail/error/VoicemailStatusWorker.java
new file mode 100644
index 000000000..95b16e8f3
--- /dev/null
+++ b/java/com/android/dialer/app/voicemail/error/VoicemailStatusWorker.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2017 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.dialer.app.voicemail.error;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Build.VERSION_CODES;
+import android.provider.VoicemailContract.Status;
+import android.support.annotation.Nullable;
+import com.android.dialer.common.concurrent.DialerExecutor.Worker;
+import com.android.dialer.database.VoicemailStatusQuery;
+import com.android.dialer.telecom.TelecomUtil;
+import com.android.voicemail.VoicemailComponent;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Worker for {@link com.android.dialer.common.concurrent.DialerExecutors} to fetch voicemail status
+ */
+@TargetApi(VERSION_CODES.M)
+public class VoicemailStatusWorker implements Worker<Context, List<VoicemailStatus>> {
+
+  @Nullable
+  @Override
+  public List<VoicemailStatus> doInBackground(@Nullable Context context) throws Throwable {
+    List<VoicemailStatus> statuses = new ArrayList<>();
+    if (!TelecomUtil.hasReadWriteVoicemailPermissions(context)) {
+      return statuses;
+    }
+    StringBuilder where = new StringBuilder();
+    java.util.List<String> selectionArgs = new ArrayList<>();
+
+    VoicemailComponent.get(context)
+        .getVoicemailClient()
+        .appendOmtpVoicemailStatusSelectionClause(context, where, selectionArgs);
+
+    try (Cursor cursor =
+        context
+            .getContentResolver()
+            .query(
+                Status.CONTENT_URI,
+                VoicemailStatusQuery.getProjection(),
+                where.toString(),
+                selectionArgs.toArray(new String[selectionArgs.size()]),
+                null)) {
+      if (cursor == null) {
+        return statuses;
+      }
+
+      for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
+        statuses.add(new VoicemailStatus(context, cursor));
+      }
+    }
+
+    return statuses;
+  }
+}