GEEKING

iOS/RobloxUI/Source/Components/RBCaptchaViewController.m

@@ -0,0 +1,154 @@
+//
+//  RBCaptchaViewController.m
+//  RobloxMobile
+//
+//  Created by Kyler Mulherin on 6/8/15.
+//  Copyright (c) 2015 ROBLOX. All rights reserved.
+//
+
+#import "RBCaptchaViewController.h"
+#import "RobloxInfo.h"
+#import "UIView+Position.h"
+#import "RBXEventReporter.h"
+#import "RBXFunctions.h"
+
+@interface RBCaptchaViewController ()
+
+@property (nonatomic, retain) UIWebView* webview;
+@property (nonatomic, retain) NSString* captchaURLString;
+@property (nonatomic, retain) NSString* captchaSolvedURLString;
+
+@property (nonatomic) BOOL solved;
+
+@end
+
+
+@implementation RBCaptchaViewController
+{
+    void* _captchaContext;
+}
+
++ (instancetype) CaptchaWithCompletionHandler:(AttemptedCompletionHandler)completionHandler
+{
+    RBCaptchaViewController *vc = [[RBCaptchaViewController alloc] init];
+    
+    vc.solved = NO;
+    if (nil != completionHandler) {
+        vc.attemptedCompletionHandler = completionHandler;
+    }
+    
+    return vc;
+}
+
+// View Lifecycle functions
+- (void) viewDidLoad
+{
+    [self shouldAddCloseButton:YES];
+    [self shouldApplyModalTheme:YES];
+    
+    //disable the tap recognizer for versions higher than iOS7
+    if (floor(NSFoundationVersionNumber) >= NSFoundationVersionNumber_iOS_7_1)
+        [self disableTapRecognizer];
+    
+    [super viewDidLoad];
+    
+    self.view.clipsToBounds = YES;
+    self.view.backgroundColor = [UIColor whiteColor];
+    
+    _captchaURLString = [[RobloxInfo getWWWBaseUrl] stringByAppendingString:@"mobile-captcha"];
+    _captchaSolvedURLString = [_captchaURLString stringByAppendingString:@"-solved"];
+    
+    [self.navigationController.navigationItem setTitle:NSLocalizedString(@"CaptchaWord", nil)];
+    [RobloxTheme applyToModalPopupNavBar:self.navigationController.navigationBar];
+    
+    
+    _webview = [[UIWebView alloc] initWithFrame:self.view.frame];
+    [_webview setDelegate:self];
+    [_webview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:_captchaURLString]]];
+    [_webview setScalesPageToFit:NO];
+    _webview.scrollView.scrollEnabled = NO;
+    _webview.scrollView.pagingEnabled = NO;
+    [self.view addSubview:_webview];
+    
+    [_webview.scrollView addObserver:self forKeyPath:@"contentSize" options:0 context:_captchaContext];
+    
+    
+    [[RBXEventReporter sharedInstance] reportScreenLoaded:RBXAContextCaptcha];
+}
+- (void) viewWillLayoutSubviews
+{
+    [super viewWillLayoutSubviews];
+    
+    [_webview setSize:self.view.frame.size];
+}
+- (void) viewWillAppear:(BOOL)animated
+{
+    [super viewWillAppear:animated];
+    [self becomeFirstResponder];
+}
+- (void) viewWillDisappear:(BOOL)animated
+{
+    [super viewWillDisappear:animated];
+    
+    [self resignFirstResponder];
+    [_webview stopLoading];
+    [_webview.scrollView removeObserver:self forKeyPath:@"contentSize"];
+    
+    if (!self.solved)
+    {
+        [[RBXEventReporter sharedInstance] reportButtonClick:RBXAButtonClose
+                                                 withContext:RBXAContextCaptcha];
+        if (nil != self.attemptedCompletionHandler) {
+            self.attemptedCompletionHandler(NO, nil);
+        }
+    }
+}
+- (void) dealloc
+{
+    [_webview setDelegate:nil];
+}
+
+
+
+// Override functions
+-(void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
+{
+    if (context == _captchaContext)
+    {
+        //make it so that the view scrolls if and ONLY if it needs to. Scrolling looks dumb -Kyler
+        _webview.scrollView.scrollEnabled = (_webview.scrollView.contentSize.height > self.view.frame.size.height);
+    }
+    else
+    {
+        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
+    }
+}
+
+
+// Delegate Functions
+-(void) webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
+{
+    [[RBXEventReporter sharedInstance] reportFormFieldValidation:RBXAFieldCaptcha
+                                                     withContext:RBXAContextCaptcha
+                                                       withError:RBXAErrorMiscWebErrors];
+    [self dismissViewControllerAnimated:NO completion:nil];
+}
+-(void) webViewDidFinishLoad:(UIWebView *)webView
+{
+    NSString* url = webView.request.URL.absoluteString;
+    
+    if ([url isEqualToString:_captchaSolvedURLString])
+    {
+        //The successful response event reporting is handled by the web
+        if (nil != self.attemptedCompletionHandler) {
+            self.attemptedCompletionHandler(YES, nil);
+        }
+        
+        //mark the captcha as solved and go back to whatever we were doing
+        self.solved = YES;
+        [self dismissViewControllerAnimated:NO completion:nil];
+    }
+}
+
+
+@end