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/*
* Copyright 2017 Google * * 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 <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
@protocol FIRAuthUIDelegate;
/** @typedef FIRAuthURLPresentationCompletion
@brief The type of block invoked when the URLPresentation completes. @param callbackURL The callback URL if the presentation ends with a matching callback. @param error The error if the presentation fails to start or ends with an error. */ typedef void (^FIRAuthURLPresentationCompletion)(NSURL *_Nullable callbackURL, NSError *_Nullable error);
/** @typedef FIRAuthCallbackMatcher
@brief The type of block invoked for checking whether a callback URL matches. @param callbackURL The callback URL to check for match. @return Whether or not the specific callback URL matches or not. */ typedef BOOL (^FIRAuthURLCallbackMatcher)(NSURL * _Nullable callbackURL);
/** @class FIRAuthURLPresenter
@brief A Class responsible for presenting URL via SFSafariViewController or UIWebView. */ @interface FIRAuthURLPresenter : NSObject
/** @fn presentURL:UIDelegate:callbackMatcher:completion:
@brief Presents an URL to interact with user. @param URL The URL to present. @param UIDelegate The UI delegate to present view controller. @param completion A block to be called either synchronously if the presentation fails to start, or asynchronously in future on an unspecified thread once the presentation finishes. */ - (void)presentURL:(NSURL *)URL UIDelegate:(nullable id<FIRAuthUIDelegate>)UIDelegate callbackMatcher:(FIRAuthURLCallbackMatcher)callbackMatcher completion:(FIRAuthURLPresentationCompletion)completion;
/** @fn canHandleURL:
@brief Determines if a URL was produced by the currently presented URL. @param URL The URL to handle. @return Whether the URL could be handled or not. */ - (BOOL)canHandleURL:(NSURL *)URL;
@end
NS_ASSUME_NONNULL_END
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