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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 "FIRAuthWebViewController.h"
#import "FIRAuthWebView.h"
NS_ASSUME_NONNULL_BEGIN
@interface FIRAuthWebViewController () <UIWebViewDelegate> @end
@implementation FIRAuthWebViewController { /** @var _URL @brief The initial URL to display. */ NSURL *_URL;
/** @var _delegate @brief The delegate to call. */ __weak id<FIRAuthWebViewControllerDelegate> _delegate;
/** @var _webView; @brief The web view instance for easier access. */ __weak FIRAuthWebView *_webView; }
- (instancetype)initWithURL:(NSURL *)URL delegate:(__weak id<FIRAuthWebViewControllerDelegate>)delegate { self = [super initWithNibName:nil bundle:nil]; if (self) { _URL = URL; _delegate = delegate; } return self; }
#pragma mark - Lifecycle
- (void)loadView { FIRAuthWebView *webView = [[FIRAuthWebView alloc] initWithFrame:[UIScreen mainScreen].bounds]; webView.webView.delegate = self; self.view = webView; _webView = webView; self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancel)]; }
- (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated];
// Loads the requested URL in the web view. [_webView.webView loadRequest:[NSURLRequest requestWithURL:_URL]]; }
#pragma mark - UI Targets
- (void)cancel { [_delegate webViewControllerDidCancel:self]; }
#pragma mark - UIWebViewDelegate
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType { return ![_delegate webViewController:self canHandleURL:request.URL]; }
- (void)webViewDidStartLoad:(UIWebView *)webView { // Show & animate the activity indicator. _webView.spinner.hidden = NO; [_webView.spinner startAnimating]; }
- (void)webViewDidFinishLoad:(UIWebView *)webView { // Hide & stop the activity indicator. _webView.spinner.hidden = YES; [_webView.spinner stopAnimating]; }
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error { if ([error.domain isEqualToString:NSURLErrorDomain] && error.code == NSURLErrorCancelled) { // It's okay for the page to be redirected before it is completely loaded. See b/32028062 . return; } // Forward notification to our delegate. [self webViewDidFinishLoad:webView]; [_delegate webViewController:self didFailWithError:error]; }
@end
NS_ASSUME_NONNULL_END
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