//
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// TWTRComposer.h
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// TwitterKit
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//
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// Copyright (c) 2015 Twitter. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Possible values for the <i>result</i> parameter of the completionHandler property.
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*/
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typedef NS_ENUM(NSInteger, TWTRComposerResult) {
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/**
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* The composer is dismissed without sending the Tweet (i.e. the user selects Cancel, or the account is unavailable).
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*/
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TWTRComposerResultCancelled,
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/**
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* The composer is dismissed and the message is being sent in the background, after the user selects Done.
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*/
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TWTRComposerResultDone
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};
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/**
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* Completion block called when the user finishes composing a Tweet.
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*/
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typedef void (^TWTRComposerCompletion)(TWTRComposerResult result);
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/**
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* The TWTRComposer class presents a view to the user to compose a Tweet.
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*/
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@interface TWTRComposer : NSObject
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/**
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* Sets the initial text for the Tweet composition prior to showing it.
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*
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* @param text The text to tweet.
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*
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* @return This will return NO if the receiver has already been presented (and therefore cannot be changed).
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*/
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- (BOOL)setText:(nullable NSString *)text;
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/**
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* Sets an image attachment.
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*
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* @param image The image to attach.
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*
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* @return This will return NO if the receiver has already been presented (and therefore cannot be changed).
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*/
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- (BOOL)setImage:(nullable UIImage *)image;
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/**
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* Adds a URL to the contents of the Tweet message.
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*
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* @param url The URL.
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*
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* @return This will return NO if the receiver has already been presented (and therefore cannot be changed).
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*/
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- (BOOL)setURL:(nullable NSURL *)url;
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/**
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* Presents the composer, with an optional completion handler from the specified view controller.
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* @param fromController The controller in which to present the composer from.
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* @param completion completion The completion handler, which has a single parameter indicating whether the user finished or cancelled the Tweet composition.
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*/
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- (void)showFromViewController:(UIViewController *)fromController completion:(TWTRComposerCompletion)completion;
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@end
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NS_ASSUME_NONNULL_END
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