Room preview of email invitation: Replaced [RoomVC displayEmailInvitation] by [RoomVC displayRoomPreview], a more generic function that handles email invitation and simple link to a room

Connected AppDelegate to this method

Vector/Model/Room/RoomPreviewData.m

@@ -0,0 +1,42 @@
+/*
+ Copyright 2016 OpenMarket Ltd
+
+ 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.
+ */
+
+#import "RoomPreviewData.h"
+
+@implementation RoomPreviewData
+
+- (instancetype)initWithRoomId:(NSString *)roomId andSession:(MXSession *)mxSession
+{
+    self = [super init];
+    if (self)
+    {
+        _roomId = roomId;
+        _mxSession = mxSession;
+    }
+    return self;
+}
+
+- (instancetype)initWithRoomId:(NSString *)roomId emailInvitationParams:(NSDictionary *)emailInvitationParams andSession:(MXSession *)mxSession
+{
+    self = [self initWithRoomId:roomId andSession:mxSession];
+    if (self)
+    {
+        _emailInvitation = [[RoomEmailInvitation alloc] initWithParams:emailInvitationParams];
+    }
+    return self;
+}
+
+@end