Implement CnapPhoneLookup

Bug: 70988915
Test: CnapPhoneLookupTest
PiperOrigin-RevId: 193968830
Change-Id: I7f0c8468472e831699e56e399060067286e3ea0d

3 files changed, 173 insertions, 1 deletions

diff --git a/java/com/android/dialer/phonelookup/PhoneLookupModule.java b/java/com/android/dialer/phonelookup/PhoneLookupModule.java
index 273a2d092..86e6991c1 100644
--- a/java/com/android/dialer/phonelookup/PhoneLookupModule.java
+++ b/java/com/android/dialer/phonelookup/PhoneLookupModule.java
@@ -17,6 +17,7 @@
 package com.android.dialer.phonelookup;
 
 import com.android.dialer.phonelookup.blockednumber.SystemBlockedNumberPhoneLookup;
+import com.android.dialer.phonelookup.cnap.CnapPhoneLookup;
 import com.android.dialer.phonelookup.cp2.Cp2DefaultDirectoryPhoneLookup;
 import com.android.dialer.phonelookup.cp2.Cp2ExtendedDirectoryPhoneLookup;
 import com.android.dialer.phonelookup.spam.SpamPhoneLookup;
@@ -31,11 +32,13 @@ public abstract class PhoneLookupModule {
   @Provides
   @SuppressWarnings({"unchecked", "rawtype"})
   static ImmutableList<PhoneLookup> providePhoneLookupList(
+      CnapPhoneLookup cnapPhoneLookup,
       Cp2DefaultDirectoryPhoneLookup cp2DefaultDirectoryPhoneLookup,
       Cp2ExtendedDirectoryPhoneLookup cp2ExtendedDirectoryPhoneLookup,
       SystemBlockedNumberPhoneLookup systemBlockedNumberPhoneLookup,
       SpamPhoneLookup spamPhoneLookup) {
     return ImmutableList.of(
+        cnapPhoneLookup,
         cp2DefaultDirectoryPhoneLookup,
         cp2ExtendedDirectoryPhoneLookup,
         systemBlockedNumberPhoneLookup,
diff --git a/java/com/android/dialer/phonelookup/cnap/CnapPhoneLookup.java b/java/com/android/dialer/phonelookup/cnap/CnapPhoneLookup.java
new file mode 100644
index 000000000..db7c210fc
--- /dev/null
+++ b/java/com/android/dialer/phonelookup/cnap/CnapPhoneLookup.java
@@ -0,0 +1,160 @@
+/*
+ * 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.dialer.phonelookup.cnap;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.telecom.Call;
+import android.text.TextUtils;
+import com.android.dialer.DialerPhoneNumber;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
+import com.android.dialer.common.database.Selection;
+import com.android.dialer.inject.ApplicationContext;
+import com.android.dialer.phonelookup.PhoneLookup;
+import com.android.dialer.phonelookup.PhoneLookupInfo;
+import com.android.dialer.phonelookup.PhoneLookupInfo.CnapInfo;
+import com.android.dialer.phonelookup.database.contract.PhoneLookupHistoryContract.PhoneLookupHistory;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.protobuf.InvalidProtocolBufferException;
+import javax.inject.Inject;
+
+/** PhoneLookup implementation for CNAP info. */
+public final class CnapPhoneLookup implements PhoneLookup<CnapInfo> {
+
+  private final Context appContext;
+  private final ListeningExecutorService backgroundExecutorService;
+
+  @Inject
+  CnapPhoneLookup(
+      @ApplicationContext Context appContext,
+      @BackgroundExecutor ListeningExecutorService backgroundExecutorService) {
+    this.appContext = appContext;
+    this.backgroundExecutorService = backgroundExecutorService;
+  }
+
+  /**
+   * Override the default implementation in {@link PhoneLookup#lookup(Context, Call)} as CNAP info
+   * is in the provided {@link Call}.
+   */
+  @Override
+  public ListenableFuture<CnapInfo> lookup(Context appContext, Call call) {
+    String callerDisplayName = call.getDetails().getCallerDisplayName();
+    return Futures.immediateFuture(
+        TextUtils.isEmpty(callerDisplayName)
+            ? CnapInfo.getDefaultInstance()
+            : CnapInfo.newBuilder().setName(callerDisplayName).build());
+  }
+
+  /**
+   * CNAP info cannot be retrieved when all we have is a number. The best we can do is returning the
+   * existing info in {@link PhoneLookupHistory}.
+   */
+  @Override
+  public ListenableFuture<CnapInfo> lookup(DialerPhoneNumber dialerPhoneNumber) {
+    return backgroundExecutorService.submit(
+        () -> {
+          Selection selection =
+              Selection.builder()
+                  .and(
+                      Selection.column(PhoneLookupHistory.NORMALIZED_NUMBER)
+                          .is("=", dialerPhoneNumber.getNormalizedNumber()))
+                  .build();
+
+          try (Cursor cursor =
+              appContext
+                  .getContentResolver()
+                  .query(
+                      PhoneLookupHistory.CONTENT_URI,
+                      new String[] {PhoneLookupHistory.PHONE_LOOKUP_INFO},
+                      selection.getSelection(),
+                      selection.getSelectionArgs(),
+                      /* sortOrder = */ null)) {
+            if (cursor == null) {
+              LogUtil.e("CnapPhoneLookup.lookup", "null cursor");
+              return CnapInfo.getDefaultInstance();
+            }
+
+            if (!cursor.moveToFirst()) {
+              LogUtil.i("CnapPhoneLookup.lookup", "empty cursor");
+              return CnapInfo.getDefaultInstance();
+            }
+
+            // At ths point, we expect only one row in the cursor as
+            // PhoneLookupHistory.NORMALIZED_NUMBER is the primary key of table PhoneLookupHistory.
+            Assert.checkState(cursor.getCount() == 1);
+
+            int phoneLookupInfoColumn =
+                cursor.getColumnIndexOrThrow(PhoneLookupHistory.PHONE_LOOKUP_INFO);
+            PhoneLookupInfo phoneLookupInfo;
+            try {
+              phoneLookupInfo = PhoneLookupInfo.parseFrom(cursor.getBlob(phoneLookupInfoColumn));
+            } catch (InvalidProtocolBufferException e) {
+              throw new IllegalStateException(e);
+            }
+
+            return phoneLookupInfo.getCnapInfo();
+          }
+        });
+  }
+
+  @Override
+  public ListenableFuture<Boolean> isDirty(ImmutableSet<DialerPhoneNumber> phoneNumbers) {
+    return Futures.immediateFuture(false);
+  }
+
+  @Override
+  public ListenableFuture<ImmutableMap<DialerPhoneNumber, CnapInfo>> getMostRecentInfo(
+      ImmutableMap<DialerPhoneNumber, CnapInfo> existingInfoMap) {
+    return Futures.immediateFuture(existingInfoMap);
+  }
+
+  @Override
+  public void setSubMessage(PhoneLookupInfo.Builder destination, CnapInfo subMessage) {
+    destination.setCnapInfo(subMessage);
+  }
+
+  @Override
+  public CnapInfo getSubMessage(PhoneLookupInfo phoneLookupInfo) {
+    return phoneLookupInfo.getCnapInfo();
+  }
+
+  @Override
+  public ListenableFuture<Void> onSuccessfulBulkUpdate() {
+    return Futures.immediateFuture(null);
+  }
+
+  @Override
+  public void registerContentObservers() {
+    // No content observers for CNAP info.
+  }
+
+  @Override
+  public void unregisterContentObservers() {
+    // No content observers for CNAP info.
+  }
+
+  @Override
+  public ListenableFuture<Void> clearData() {
+    return Futures.immediateFuture(null);
+  }
+}
diff --git a/java/com/android/dialer/phonelookup/phone_lookup_info.proto b/java/com/android/dialer/phonelookup/phone_lookup_info.proto
index 96121885f..1beff6ca9 100644
--- a/java/com/android/dialer/phonelookup/phone_lookup_info.proto
+++ b/java/com/android/dialer/phonelookup/phone_lookup_info.proto
@@ -13,7 +13,8 @@ package com.android.dialer.phonelookup;
 // to an implementation of PhoneLookup. For example, field
 // "cp2_info_in_default_directory" corresponds to class
 // Cp2DefaultDirectoryPhoneLookup, and class Cp2DefaultDirectoryPhoneLookup
-// alone is responsible for populating it. Next ID: 7
+// alone is responsible for populating it.
+// Next ID: 8
 message PhoneLookupInfo {
   // Information about a PhoneNumber retrieved from CP2.
   message Cp2Info {
@@ -154,4 +155,12 @@ message PhoneLookupInfo {
     optional BlockedState blocked_state = 1;
   }
   optional SystemBlockedNumberInfo system_blocked_number_info = 4;
+
+  // Information obtained via CNAP
+  // (https://en.wikipedia.org/wiki/Calling_Name_Presentation)
+  // Next ID: 2
+  message CnapInfo {
+    optional string name = 1;
+  }
+  optional CnapInfo cnap_info = 7;
 }
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