1 files changed, 168 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/calllog/VisualVoicemailUpdateTask.java b/java/com/android/dialer/app/calllog/VisualVoicemailUpdateTask.java
new file mode 100644
index 000000000..d6601be36
--- /dev/null
+++ b/java/com/android/dialer/app/calllog/VisualVoicemailUpdateTask.java
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2011 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.calllog;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.WorkerThread;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import com.android.dialer.app.R;
+import com.android.dialer.app.calllog.CallLogNotificationsQueryHelper.NewCall;
+import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler;
+import com.android.dialer.blocking.FilteredNumbersUtil;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.DialerExecutor.Worker;
+import com.android.dialer.common.concurrent.DialerExecutors;
+import com.android.dialer.phonenumbercache.ContactInfo;
+import com.android.dialer.telecom.TelecomUtil;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/** Updates voicemail notifications in the background. */
+class VisualVoicemailUpdateTask implements Worker<VisualVoicemailUpdateTask.Input, Void> {
+  @Nullable
+  @Override
+  public Void doInBackground(@NonNull Input input) throws Throwable {
+    updateNotification(input.context, input.queryHelper, input.queryHandler);
+    return null;
+  }
+
+  /**
+   * Updates the notification and notifies of the call with the given URI.
+   *
+   * <p>Clears the notification if there are no new voicemails, and notifies if the given URI
+   * corresponds to a new voicemail.
+   */
+  @WorkerThread
+  private static void updateNotification(
+      Context context,
+      CallLogNotificationsQueryHelper queryHelper,
+      FilteredNumberAsyncQueryHandler queryHandler) {
+    Assert.isWorkerThread();
+
+    List<NewCall> newCalls = queryHelper.getNewVoicemails();
+    if (newCalls == null) {
+      return;
+    }
+    newCalls = filterBlockedNumbers(context, queryHandler, newCalls);
+    if (newCalls.isEmpty()) {
+      return;
+    }
+
+    // This represents a list of names to include in the notification.
+    String callers = null;
+
+    // Maps each number into a name: if a number is in the map, it has already left a more
+    // recent voicemail.
+    Map<String, ContactInfo> contactInfos = new ArrayMap<>();
+    for (NewCall newCall : newCalls) {
+      if (!contactInfos.containsKey(newCall.number)) {
+        ContactInfo contactInfo =
+            queryHelper.getContactInfo(
+                newCall.number, newCall.numberPresentation, newCall.countryIso);
+        contactInfos.put(newCall.number, contactInfo);
+
+        // This is a new caller. Add it to the back of the list of callers.
+        if (TextUtils.isEmpty(callers)) {
+          callers = contactInfo.name;
+        } else {
+          callers =
+              context.getString(
+                  R.string.notification_voicemail_callers_list, callers, contactInfo.name);
+        }
+      }
+    }
+    VisualVoicemailNotifier.showNotifications(context, newCalls, contactInfos, callers);
+  }
+
+  @WorkerThread
+  private static List<NewCall> filterBlockedNumbers(
+      Context context, FilteredNumberAsyncQueryHandler queryHandler, List<NewCall> newCalls) {
+    Assert.isWorkerThread();
+    if (FilteredNumbersUtil.hasRecentEmergencyCall(context)) {
+      LogUtil.i(
+          "VisualVoicemailUpdateTask.filterBlockedNumbers",
+          "not filtering due to recent emergency call");
+      return newCalls;
+    }
+
+    List<NewCall> result = new ArrayList<>();
+    for (NewCall newCall : newCalls) {
+      if (queryHandler.getBlockedIdSynchronous(newCall.number, newCall.countryIso) != null) {
+        LogUtil.i(
+            "VisualVoicemailUpdateTask.filterBlockedNumbers",
+            "found voicemail from blocked number, deleting");
+        if (newCall.voicemailUri != null) {
+          // Delete the voicemail.
+          CallLogAsyncTaskUtil.deleteVoicemailSynchronous(context, newCall.voicemailUri);
+        }
+      } else {
+        result.add(newCall);
+      }
+    }
+    return result;
+  }
+
+  /** Updates the voicemail notifications displayed. */
+  static void scheduleTask(@NonNull Context context, @NonNull Runnable callback) {
+    Assert.isNotNull(context);
+    Assert.isNotNull(callback);
+    if (!TelecomUtil.isDefaultDialer(context)) {
+      LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "not default dialer, not running");
+      callback.run();
+      return;
+    }
+
+    Input input =
+        new Input(
+            context,
+            CallLogNotificationsQueryHelper.getInstance(context),
+            new FilteredNumberAsyncQueryHandler(context));
+    DialerExecutors.createNonUiTaskBuilder(new VisualVoicemailUpdateTask())
+        .onSuccess(
+            output -> {
+              LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "update successful");
+              callback.run();
+            })
+        .onFailure(
+            throwable -> {
+              LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "update failed: " + throwable);
+              callback.run();
+            })
+        .build()
+        .executeParallel(input);
+  }
+
+  static class Input {
+    @NonNull final Context context;
+    @NonNull final CallLogNotificationsQueryHelper queryHelper;
+    @NonNull final FilteredNumberAsyncQueryHandler queryHandler;
+
+    Input(
+        Context context,
+        CallLogNotificationsQueryHelper queryHelper,
+        FilteredNumberAsyncQueryHandler queryHandler) {
+      this.context = context;
+      this.queryHelper = queryHelper;
+      this.queryHandler = queryHandler;
+    }
+  }
+}