2016-02-24 16:56:39 +01:00

136 lines
5.9 KiB
Objective-C

/*
* Copyright 2010-present 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 "SCAppDelegate.h"
#import "SCViewController.h"
#import "SCLoginViewController.h"
#import <FacebookSDK/FBSessionTokenCachingStrategy.h>
@implementation SCAppDelegate
@synthesize window = _window,
navigationController = _navigationController,
mainViewController = _mainViewController,
loginViewController = _loginViewController,
isNavigating = _isNavigating;
- (BOOL)application:(UIApplication *)application
openURL:(NSURL *)url
sourceApplication:(NSString *)sourceApplication
annotation:(id)annotation {
// Facebook SDK * login flow *
// Attempt to handle URLs to complete any auth (e.g., SSO) flow.
return [FBAppCall handleOpenURL:url sourceApplication:sourceApplication fallbackHandler:^(FBAppCall *call) {
// Facebook SDK * App Linking *
// For simplicity, this sample will ignore the link if the session is already
// open but a more advanced app could support features like user switching.
if (call.accessTokenData) {
if ([FBSession activeSession].isOpen) {
NSLog(@"INFO: Ignoring app link because current session is open.");
}
else {
[self handleAppLink:call.accessTokenData];
}
}
}];
}
- (void)applicationWillTerminate:(UIApplication *)application {
// Facebook SDK * pro-tip *
// if the app is going away, we close the session object; this is a good idea because
// things may be hanging off the session, that need releasing (completion block, etc.) and
// other components in the app may be awaiting close notification in order to do cleanup
[FBSession.activeSession close];
}
- (void)applicationDidBecomeActive:(UIApplication *)application {
[FBAppEvents activateApp];
// Facebook SDK * login flow *
// We need to properly handle activation of the application with regards to SSO
// (e.g., returning from iOS 6.0 authorization dialog or from fast app switching).
[FBAppCall handleDidBecomeActive];
}
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// If you have not added the -ObjC linker flag, you may need to uncomment the following line because
// Nib files require the type to have been loaded before they can do the wireup successfully.
// http://stackoverflow.com/questions/1725881/unknown-class-myclass-in-interface-builder-file-error-at-runtime
// [FBProfilePictureView class];
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[self resetMainViewController];
self.loginViewController = [[SCLoginViewController alloc] initWithNibName:@"SCLoginViewController"
bundle:nil];
self.navigationController = [[UINavigationController alloc] initWithRootViewController:self.loginViewController];
self.navigationController.delegate = self;
self.window.rootViewController = self.navigationController;
[self.window makeKeyAndVisible];
// Facebook SDK * pro-tip *
// We take advantage of the `FBLoginView` in our loginViewController, which can
// automatically open a session if there is a token cached. If we were not using
// that control, this location would be a good place to try to open a session
// from a token cache.
return YES;
}
// Helper method to wrap logic for handling app links.
- (void)handleAppLink:(FBAccessTokenData *)appLinkToken {
// Initialize a new blank session instance...
FBSession *appLinkSession = [[FBSession alloc] initWithAppID:nil
permissions:nil
defaultAudience:FBSessionDefaultAudienceNone
urlSchemeSuffix:nil
tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance] ];
[FBSession setActiveSession:appLinkSession];
// ... and open it from the App Link's Token.
[appLinkSession openFromAccessTokenData:appLinkToken
completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
// Forward any errors to the FBLoginView delegate.
if (error) {
[self.loginViewController loginView:nil handleError:error];
}
}];
}
#pragma mark - UINavigationControllerDelegate
- (void)navigationController:(UINavigationController *)navigationController
didShowViewController:(UIViewController *)viewController
animated:(BOOL)animated {
self.isNavigating = NO;
}
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
self.isNavigating = YES;
}
- (void)resetMainViewController {
self.mainViewController = [[SCViewController alloc] initWithNibName:@"SCViewController"
bundle:nil];
#ifdef __IPHONE_7_0
if ([self.mainViewController respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
self.mainViewController.edgesForExtendedLayout &= ~UIRectEdgeTop;
}
#endif
}
@end