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- // Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
- //
- // You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
- // copy, modify, and distribute this software in source code or binary form for use
- // in connection with the web services and APIs provided by Facebook.
- //
- // As with any software that integrates with the Facebook platform, your use of
- // this software is subject to the Facebook Developer Principles and Policies
- // [http://developers.facebook.com/policy/]. This copyright notice shall be
- // included in all copies or substantial portions of the software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- #import <Foundation/Foundation.h>
- #import <UIKit/UIKit.h>
- #import <FBSDKShareKit/FBSDKAppInviteContent.h>
- @protocol FBSDKAppInviteDialogDelegate;
- /*!
- @abstract A dialog for sending App Invites.
- */
- @interface FBSDKAppInviteDialog : NSObject
- /*!
- @abstract Convenience method to show a FBSDKAppInviteDialog
- @param viewController A UIViewController to present the dialog from.
- @param content The content for the app invite.
- @param delegate The receiver's delegate.
- */
- + (instancetype)showFromViewController:(UIViewController *)viewController
- withContent:(FBSDKAppInviteContent *)content
- delegate:(id<FBSDKAppInviteDialogDelegate>)delegate;
- /*!
- @deprecated use showFromViewController:withContent:delegate: instead
- */
- + (instancetype)showWithContent:(FBSDKAppInviteContent *)content delegate:(id<FBSDKAppInviteDialogDelegate>)delegate
- __attribute__ ((deprecated("use showFromViewController:withContent:delegate: instead")));
- /*!
- @abstract A UIViewController to present the dialog from.
- @discussion If not specified, the top most view controller will be automatically determined as best as possible.
- */
- @property (nonatomic, weak) UIViewController *fromViewController;
- /*!
- @abstract The receiver's delegate or nil if it doesn't have a delegate.
- */
- @property (nonatomic, weak) id<FBSDKAppInviteDialogDelegate> delegate;
- /*!
- @abstract The content for app invite.
- */
- @property (nonatomic, copy) FBSDKAppInviteContent *content;
- /*!
- @abstract A Boolean value that indicates whether the receiver can initiate an app invite.
- @discussion May return NO if the appropriate Facebook app is not installed and is required or an access token is
- required but not available. This method does not validate the content on the receiver, so this can be checked before
- building up the content.
- @see validateWithError:
- @result YES if the receiver can show the dialog, otherwise NO.
- */
- - (BOOL)canShow;
- /*!
- @abstract Begins the app invite from the receiver.
- @result YES if the receiver was able to show the dialog, otherwise NO.
- */
- - (BOOL)show;
- /*!
- @abstract Validates the content on the receiver.
- @param errorRef If an error occurs, upon return contains an NSError object that describes the problem.
- @return YES if the content is valid, otherwise NO.
- */
- - (BOOL)validateWithError:(NSError *__autoreleasing *)errorRef;
- @end
- /*!
- @abstract A delegate for FBSDKAppInviteDialog.
- @discussion The delegate is notified with the results of the app invite as long as the application has permissions to
- receive the information. For example, if the person is not signed into the containing app, the shower may not be able
- to distinguish between completion of an app invite and cancellation.
- */
- @protocol FBSDKAppInviteDialogDelegate <NSObject>
- /*!
- @abstract Sent to the delegate when the app invite completes without error.
- @param appInviteDialog The FBSDKAppInviteDialog that completed.
- @param results The results from the dialog. This may be nil or empty.
- */
- - (void)appInviteDialog:(FBSDKAppInviteDialog *)appInviteDialog didCompleteWithResults:(NSDictionary *)results;
- /*!
- @abstract Sent to the delegate when the app invite encounters an error.
- @param appInviteDialog The FBSDKAppInviteDialog that completed.
- @param error The error.
- */
- - (void)appInviteDialog:(FBSDKAppInviteDialog *)appInviteDialog didFailWithError:(NSError *)error;
- @end
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