Support calling the successCallback of login() from handleOpenURL cal…

…l (after UI login from Mobile Safari/Facebook app). Note: this only works if the PhoneGap app supports multi-tasking. Also, the FB.Login callback must NOT call any interactive UI like alert()

native/ios/FacebookConnectPlugin.h

@@ -19,6 +19,6 @@
 }
 
 @property (nonatomic, retain) Facebook *facebook;
-
+@property (nonatomic, copy) NSString* loginCallbackId;
 
 @end

native/ios/FacebookConnectPlugin.m

@@ -19,7 +19,7 @@
 
 @implementation FacebookConnectPlugin
 
-@synthesize facebook;
+@synthesize facebook, loginCallbackId;
 
 /* This overrides PGPlugin's method, which receives a notification when handleOpenURL is called on the main app delegate */
 - (void) handleOpenURL:(NSNotification*)notification
@@ -32,11 +32,17 @@ - (void) handleOpenURL:(NSNotification*)notification
 	BOOL ok = [facebook handleOpenURL:url];
     if (ok) {
 
+
         NSDictionary* session = [NSDictionary 
                                  dictionaryWithObjects:[NSArray arrayWithObjects:self.facebook.accessToken, [self.facebook.expirationDate description], APP_SECRET, [NSNumber numberWithBool:YES], @"...", @"...", nil] 
                                  forKeys:[NSArray arrayWithObjects:@"access_token", @"expires", @"secret", @"session_key", @"sig", @"uid", nil]];
+        NSDictionary* status = [NSDictionary 
+                                 dictionaryWithObjects:[NSArray arrayWithObjects:@"connected", session, nil] 
+                                 forKeys:[NSArray arrayWithObjects:@"status", @"session", nil]];
+
 
-        [super writeJavascript:[NSString stringWithFormat:@"FB.Auth.setSession(%@);", [session JSONRepresentation]]];
+        PluginResult* result = [PluginResult resultWithStatus:PGCommandStatus_OK messageAsDictionary:status];
+        [super writeJavascript:[result toSuccessCallbackString:self.loginCallbackId]];
     }
 }
 
@@ -83,10 +89,11 @@ - (void) login:(NSMutableArray*)arguments withDict:(NSMutableDictionary*)options
         NSMutableArray* marray = [NSMutableArray arrayWithArray:arguments];
         [marray removeObjectAtIndex:0]; // first item is the callbackId
 
-        [facebook authorize:marray delegate:self];
+        // save the callbackId for handleOpenURL return (only works if the app is multi-tasked!)
+        self.loginCallbackId = callbackId;
+
+        return [facebook authorize:marray delegate:self];
 
-        result = [PluginResult resultWithStatus:PGCommandStatus_ERROR messageAsString:@"Must call FB.init before FB.login"];
-        jsString = [result toErrorCallbackString:callbackId];
     }
 
     [super writeJavascript:jsString];