From 7865b92285893ddb87fa8351d724d09d0a1eb781 Mon Sep 17 00:00:00 2001
From: mar-v-in <github@rvin.mooo.com>
Date: Mon, 26 May 2014 20:24:13 +0200
Subject: ContactHelper can read email addresses from contact list

---
 .../keychain/helper/ContactHelper.java              | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'OpenKeychain/src/main/java')

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ContactHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ContactHelper.java
index a92ea5408..583543c4a 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ContactHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ContactHelper.java
@@ -19,7 +19,10 @@ package org.sufficientlysecure.keychain.helper;
 
 import android.accounts.Account;
 import android.accounts.AccountManager;
+import android.content.ContentResolver;
 import android.content.Context;
+import android.database.Cursor;
+import android.provider.ContactsContract;
 import android.util.Patterns;
 
 import java.util.ArrayList;
@@ -39,4 +42,22 @@ public class ContactHelper {
         }
         return new ArrayList<String>(emailSet);
     }
+
+    public static List<String> getContactMails(Context context) {
+        ContentResolver resolver = context.getContentResolver();
+        Cursor mailCursor = resolver.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,
+                new String[]{ContactsContract.CommonDataKinds.Email.DATA},
+                null, null, null);
+        if (mailCursor == null) return null;
+
+        Set<String> mails = new HashSet<String>();
+        while (mailCursor.moveToNext()) {
+            String email = mailCursor.getString(0);
+            if (email != null) {
+                mails.add(email);
+            }
+        }
+        mailCursor.close();
+        return new ArrayList<String>(mails);
+    }
 }
-- 
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