1 files changed, 63 insertions, 0 deletions
diff --git a/java/com/android/dialer/lookup/ForwardLookup.java b/java/com/android/dialer/lookup/ForwardLookup.java
new file mode 100644
index 000000000..2f59aeba1
--- /dev/null
+++ b/java/com/android/dialer/lookup/ForwardLookup.java
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+/*
+ * Copyright (C) 2014 Xiao-Long Chen <chillermillerlong@hotmail.com>
+ *
+ * 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.lookup;
+
+import android.content.Context;
+import android.location.Location;
+import android.util.Log;
+
+import com.android.dialer.phonenumbercache.ContactInfo;
+import com.android.dialer.lookup.google.GoogleForwardLookup;
+import com.android.dialer.lookup.openstreetmap.OpenStreetMapForwardLookup;
+
+import java.util.List;
+
+public abstract class ForwardLookup {
+  private static final String TAG = ForwardLookup.class.getSimpleName();
+
+  private static ForwardLookup INSTANCE = null;
+
+  public static ForwardLookup getInstance(Context context) {
+    String provider = LookupSettings.getForwardLookupProvider(context);
+
+    if (INSTANCE == null || !isInstance(provider)) {
+      Log.d(TAG, "Chosen forward lookup provider: " + provider);
+
+      if (provider.equals(LookupSettings.FLP_GOOGLE)) {
+        INSTANCE = new GoogleForwardLookup(context);
+      } else if (provider.equals(LookupSettings.FLP_OPENSTREETMAP)) {
+        INSTANCE = new OpenStreetMapForwardLookup(context);
+      }
+    }
+
+    return INSTANCE;
+  }
+
+  private static boolean isInstance(String provider) {
+    if (provider.equals(LookupSettings.FLP_GOOGLE)
+        && INSTANCE instanceof GoogleForwardLookup) {
+      return true;
+    } else if (provider.equals(LookupSettings.FLP_OPENSTREETMAP)
+        && INSTANCE instanceof OpenStreetMapForwardLookup) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  public abstract List<ContactInfo> lookup(Context context, String filter, Location lastLocation);
+}