1 files changed, 99 insertions, 0 deletions
diff --git a/src/com/android/dialer/lookup/cyngn/CyngnChineseReverseLookup.java b/src/com/android/dialer/lookup/cyngn/CyngnChineseReverseLookup.java
new file mode 100644
index 000000000..355208a18
--- /dev/null
+++ b/src/com/android/dialer/lookup/cyngn/CyngnChineseReverseLookup.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2014 The CyanogenMod 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.lookup.cyngn;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.ContactsContract;
+import android.util.Log;
+import com.android.dialer.calllog.ContactInfo;
+import com.android.dialer.lookup.ContactBuilder;
+import com.android.dialer.lookup.ReverseLookup;
+
+public class CyngnChineseReverseLookup extends ReverseLookup {
+
+    private static final String TAG = CyngnChineseReverseLookup.class.getSimpleName();
+
+    private static final int COMMON_CHINESE_PHONE_NUMBER_LENGTH = 11;
+    private static final int COMMON_CHINESE_PHONE_NUMBER_AREANO_START = 2;
+    private static final int COMMON_CHINESE_PHONE_NUMBER_AREANO_END = 5;
+
+    private static final boolean DEBUG = false;
+    private static final Uri PROVIDER_URI =
+            Uri.parse("content://com.cyngn.chineselocationlookup.provider");
+
+    public CyngnChineseReverseLookup(Context context) {
+    }
+
+    /**
+     * Perform phone number lookup.
+     *
+     * @param context          The application context
+     * @param normalizedNumber The normalized phone number
+     * @param formattedNumber  The formatted phone number
+     * @return The phone number info object
+     */
+    public ContactInfo lookupNumber(Context context,
+            String normalizedNumber, String formattedNumber) {
+        String displayName = queryProvider(context, normalizedNumber);
+        if (displayName == null) {
+            return null;
+        }
+
+        if (DEBUG) Log.d(TAG, "Reverse lookup returned name: " + displayName);
+
+        String number = formattedNumber != null
+                ? formattedNumber : normalizedNumber;
+
+        ContactBuilder builder = new ContactBuilder(
+                ContactBuilder.REVERSE_LOOKUP,
+                normalizedNumber, formattedNumber);
+        builder.setName(ContactBuilder.Name.createDisplayName(displayName));
+        builder.addPhoneNumber(ContactBuilder.PhoneNumber.createMainNumber(number));
+        builder.setPhotoUri(ContactBuilder.PHOTO_URI_BUSINESS);
+
+        return builder.build();
+    }
+
+    private String queryProvider(Context context, String normalizedNumber) {
+        if (normalizedNumber.length() < COMMON_CHINESE_PHONE_NUMBER_LENGTH) {
+            return null;
+        }
+
+        //trim carrier code, and get area prefix
+        String areaPrefix = normalizedNumber.substring(COMMON_CHINESE_PHONE_NUMBER_AREANO_START,
+                COMMON_CHINESE_PHONE_NUMBER_AREANO_END);
+
+        ContentResolver resolver = context.getContentResolver();
+        Cursor cursor = context.getContentResolver().query(PROVIDER_URI,
+                null, null, new String[] { areaPrefix }, null);
+        if (cursor == null) {
+            return null;
+        }
+
+        try {
+            if (cursor.moveToFirst()) {
+                return cursor.getString(2);
+            }
+        } finally {
+            cursor.close();
+        }
+        return null;
+    }
+}