1 files changed, 3 insertions, 54 deletions
diff --git a/java/com/android/dialer/assisteddialing/AssistedDialingMediator.java b/java/com/android/dialer/assisteddialing/AssistedDialingMediator.java
index 3d027296c..4dc87a772 100644
--- a/java/com/android/dialer/assisteddialing/AssistedDialingMediator.java
+++ b/java/com/android/dialer/assisteddialing/AssistedDialingMediator.java
@@ -19,63 +19,12 @@ package com.android.dialer.assisteddialing;
 import android.annotation.TargetApi;
 import android.os.Build.VERSION_CODES;
 import android.support.annotation.NonNull;
-import com.android.dialer.common.LogUtil;
 import java.util.Optional;
 
-/**
- * The Mediator for Assisted Dialing.
- *
- * <p>This class is responsible for mediating location discovery of the user, determining if the
- * call is eligible for assisted dialing, and performing the transformation of numbers eligible for
- * assisted dialing.
- */
-public final class AssistedDialingMediator {
-
-  private final LocationDetector locationDetector;
-  private final NumberTransformer numberTransformer;
-
-  protected AssistedDialingMediator(
-      @NonNull LocationDetector locationDetector, @NonNull NumberTransformer numberTransformer) {
-    if (locationDetector == null) {
-      throw new NullPointerException("locationDetector was null");
-    }
+/** The core interface for the AssistedDialingMediator. */
+public interface AssistedDialingMediator {
 
-    if (numberTransformer == null) {
-      throw new NullPointerException("numberTransformer was null");
-    }
-    this.locationDetector = locationDetector;
-    this.numberTransformer = numberTransformer;
-  }
-
-  /**
-   * Returns a boolean for callers to quickly determine whether or not the AssistedDialingMediator
-   * thinks an attempt at assisted dialing is likely to succeed.
-   */
-  public boolean conditionsEligibleForAssistedDialing(
-      @NonNull String numberToCheck,
-      @NonNull String userHomeCountryCode,
-      @NonNull String userRoamingCountryCode) {
-    return numberTransformer.canDoAssistedDialingTransformation(
-        numberToCheck, userHomeCountryCode, userRoamingCountryCode);
-  }
-
-  /**
-   * Returns an Optional of type String containing the transformed number that was provided. The
-   * transformed number should be capable of dialing out of the User's current country and
-   * successfully connecting with a contact in the User's home country.
-   */
   @SuppressWarnings("AndroidApiChecker") // Use of optional
   @TargetApi(VERSION_CODES.N)
-  public Optional<TransformationInfo> attemptAssistedDial(@NonNull String numberToTransform) {
-    Optional<String> userHomeCountryCode = locationDetector.getUpperCaseUserHomeCountry();
-    Optional<String> userRoamingCountryCode = locationDetector.getUpperCaseUserRoamingCountry();
-
-    if (!userHomeCountryCode.isPresent() || !userRoamingCountryCode.isPresent()) {
-      LogUtil.i("AssistedDialingMediator.attemptAssistedDial", "Unable to determine country codes");
-      return Optional.empty();
-    }
-
-    return numberTransformer.doAssistedDialingTransformation(
-        numberToTransform, userHomeCountryCode.get(), userRoamingCountryCode.get());
-  }
+  public Optional<TransformationInfo> attemptAssistedDial(@NonNull String numberToTransform);
 }