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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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