1 files changed, 107 insertions, 0 deletions
diff --git a/java/com/android/incallui/spam/NumberInCallHistoryTask.java b/java/com/android/incallui/spam/NumberInCallHistoryTask.java
new file mode 100644
index 000000000..a225606f6
--- /dev/null
+++ b/java/com/android/incallui/spam/NumberInCallHistoryTask.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2016 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.incallui.spam;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteException;
+import android.os.AsyncTask;
+import android.os.Build.VERSION_CODES;
+import android.provider.CallLog;
+import android.provider.CallLog.Calls;
+import android.support.annotation.NonNull;
+import android.telephony.PhoneNumberUtils;
+import android.text.TextUtils;
+import com.android.dialer.common.AsyncTaskExecutor;
+import com.android.dialer.common.AsyncTaskExecutors;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.telecom.TelecomUtil;
+import com.android.dialer.util.PermissionsUtil;
+import com.android.incallui.call.DialerCall;
+import com.android.incallui.call.DialerCall.CallHistoryStatus;
+import java.util.Objects;
+
+/** Checks if the number is in the call history. */
+@TargetApi(VERSION_CODES.M)
+public class NumberInCallHistoryTask extends AsyncTask<Void, Void, Integer> {
+
+  public static final String TASK_ID = "number_in_call_history_status";
+
+  private final Context context;
+  private final Listener listener;
+  private final String number;
+  private final String countryIso;
+
+  public NumberInCallHistoryTask(
+      @NonNull Context context, @NonNull Listener listener, String number, String countryIso) {
+    this.context = Objects.requireNonNull(context);
+    this.listener = Objects.requireNonNull(listener);
+    this.number = number;
+    this.countryIso = countryIso;
+  }
+
+  public void submitTask() {
+    if (!PermissionsUtil.hasPhonePermissions(context)) {
+      return;
+    }
+    AsyncTaskExecutor asyncTaskExecutor = AsyncTaskExecutors.createThreadPoolExecutor();
+    asyncTaskExecutor.submit(TASK_ID, this);
+  }
+
+  @Override
+  @CallHistoryStatus
+  public Integer doInBackground(Void... params) {
+    String numberToQuery = number;
+    String fieldToQuery = Calls.NUMBER;
+    String normalizedNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso);
+
+    // If we can normalize the number successfully, look in "normalized_number"
+    // field instead. Otherwise, look for number in "number" field.
+    if (!TextUtils.isEmpty(normalizedNumber)) {
+      numberToQuery = normalizedNumber;
+      fieldToQuery = Calls.CACHED_NORMALIZED_NUMBER;
+    }
+    try (Cursor cursor =
+        context
+            .getContentResolver()
+            .query(
+                TelecomUtil.getCallLogUri(context),
+                new String[] {CallLog.Calls._ID},
+                fieldToQuery + " = ?",
+                new String[] {numberToQuery},
+                null)) {
+      return cursor != null && cursor.getCount() > 0
+          ? DialerCall.CALL_HISTORY_STATUS_PRESENT
+          : DialerCall.CALL_HISTORY_STATUS_NOT_PRESENT;
+    } catch (SQLiteException e) {
+      LogUtil.e("NumberInCallHistoryTask.doInBackground", "query call log error", e);
+      return DialerCall.CALL_HISTORY_STATUS_UNKNOWN;
+    }
+  }
+
+  @Override
+  public void onPostExecute(@CallHistoryStatus Integer callHistoryStatus) {
+    listener.onComplete(callHistoryStatus);
+  }
+
+  /** Callback for the async task. */
+  public interface Listener {
+
+    void onComplete(@CallHistoryStatus int callHistoryStatus);
+  }
+}