contacts: create or update contacts

Add ability to create a new contact with an unknow uri, or link it to an
existing contact.
This is presented in a popover, either from an history entry, or during
a call with an unknown URI.

Issue: #78236
Change-Id: I22fa416b9f5c7a6eceb6f2ea47bb30aa251cda54
diff --git a/src/PersonLinkerVC.h b/src/PersonLinkerVC.h
new file mode 100644
index 0000000..4c2edef
--- /dev/null
+++ b/src/PersonLinkerVC.h
@@ -0,0 +1,54 @@
+/*
+ *  Copyright (C) 2015 Savoir-faire Linux Inc.
+ *  Author: Alexandre Lision <alexandre.lision@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+ *
+ *  Additional permission under GNU GPL version 3 section 7:
+ *
+ *  If you modify this program, or any covered work, by linking or
+ *  combining it with the OpenSSL project's OpenSSL library (or a
+ *  modified version of that library), containing parts covered by the
+ *  terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
+ *  grants you additional permission to convey the resulting work.
+ *  Corresponding Source for a non-source form of such a combination
+ *  shall include the source code for the parts of OpenSSL used as well
+ *  as that of the covered work.
+ */
+
+#import <Cocoa/Cocoa.h>
+
+@protocol ContactLinkedDelegate;
+@protocol ContactLinkedDelegate
+
+@optional
+
+-(void) contactLinked;
+
+@end
+
+class ContactMethod;
+
+@interface PersonLinkerVC : NSViewController <NSOutlineViewDelegate>
+
+@property ContactMethod* const methodToLink;
+
+/*
+ * Delegate to inform about completion of the linking process between
+ * a ContactMethod and a Person.
+ */
+@property (nonatomic) id <ContactLinkedDelegate> contactLinkedDelegate;
+
+@end