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FBLoginDialog.m
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FBLoginDialog.m
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/*
* Copyright 2010 Facebook
*
* 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 "FBDialog.h"
#import "FBLoginDialog.h"
///////////////////////////////////////////////////////////////////////////////////////////////////
@implementation FBLoginDialog
///////////////////////////////////////////////////////////////////////////////////////////////////
// public
/*
* initialize the FBLoginDialog with url and parameters
*/
- (id)initWithURL:(NSString*) loginURL
loginParams:(NSMutableDictionary*) params
delegate:(id <FBLoginDialogDelegate>) delegate{
self = [super init];
_serverURL = [loginURL retain];
_params = [params retain];
_loginDelegate = delegate;
return self;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// FBDialog
/**
* Override FBDialog : to call when the webView Dialog did succeed
*/
- (void) dialogDidSucceed:(NSURL*)url {
NSString *q = [url absoluteString];
NSString *token = [self getStringFromUrl:q needle:@"access_token="];
NSString *expTime = [self getStringFromUrl:q needle:@"expires_in="];
NSDate *expirationDate =nil;
if (expTime != nil) {
int expVal = [expTime intValue];
if (expVal == 0) {
expirationDate = [NSDate distantFuture];
} else {
expirationDate = [NSDate dateWithTimeIntervalSinceNow:expVal];
}
}
if ((token == (NSString *) [NSNull null]) || (token.length == 0)) {
[self dialogDidCancel:url];
[self dismissWithSuccess:NO animated:YES];
} else {
if ([_loginDelegate respondsToSelector:@selector(fbDialogLogin:expirationDate:)]) {
[_loginDelegate fbDialogLogin:token expirationDate:expirationDate];
}
[self dismissWithSuccess:YES animated:YES];
}
}
/**
* Override FBDialog : to call with the login dialog get canceled
*/
- (void)dialogDidCancel:(NSURL *)url {
[self dismissWithSuccess:NO animated:YES];
if ([_loginDelegate respondsToSelector:@selector(fbDialogNotLogin:)]) {
[_loginDelegate fbDialogNotLogin:YES];
}
}
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
if (!(([error.domain isEqualToString:@"NSURLErrorDomain"] && error.code == -999) ||
([error.domain isEqualToString:@"WebKitErrorDomain"] && error.code == 102))) {
[super webView:webView didFailLoadWithError:error];
if ([_loginDelegate respondsToSelector:@selector(fbDialogNotLogin:)]) {
[_loginDelegate fbDialogNotLogin:NO];
}
}
}
@end