U4WebViewController.m

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//
//  U4WebViewController.m
//  TodaysMenu
//
//  Created by Don Zeek on 5/29/18.
//  Copyright © 2018 net.dzeek.y2015.ios.portfolio. All rights reserved.
//

#import "U4WebViewController.h"
#import "Y3WebView.h"
#import "WKWebViewConfiguration+Console.h"
#import "W7WebSnippetViewController.h"

@interface U4WebViewController ()

@end
@implementation U4WebViewController {
    Y3WebView *webPanel;
    UIPasteboard *pasteboard;
    NSURL *fileURL;
    NSString *mostRecentJavascriptReturnStr;
    NSString *mostRecentTitle;
    NSString *mostRecentIngredients;
    NSString *mostRecentInstruction;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    CGRect totalFrame = self.view.frame;
    CGRect topNaviFrame = [[[self navigationController] navigationBar] frame];
    float availableWindowTop = topNaviFrame.origin.y + topNaviFrame.size.height;
    
    
    CGRect webViewFrame = CGRectMake(8,
                                     availableWindowTop + 4,
                                     totalFrame.size.width - 16,
                                     totalFrame.size.height - availableWindowTop - 8);
    
//    WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
//    config.showConsole = YES;

    webPanel = [[Y3WebView alloc] initWithFrame:webViewFrame andDelegate:self];
    
    
    [self.view addSubview:webPanel];

    NSURL *nsurl=[NSURL URLWithString:@"http://google.com"];
    NSURLRequest *nsrequest=[NSURLRequest requestWithURL:nsurl];
    [webPanel.webView loadRequest:nsrequest];
    
    mostRecentJavascriptReturnStr = [[NSString alloc] init];
}

-(void) viewWillAppear:(BOOL)animated
{
    [webPanel.webView setBackgroundColor:[UIColor grayColor]];
    [webPanel setBackgroundColor:[UIColor colorWithHue:0.22 saturation:1.0 brightness:0.6 alpha:1.0]];
}
- (void)    userContentController:(WKUserContentController*)userContentController
          didReceiveScriptMessage:(WKScriptMessage*)message
{
    // A new selected text has been received
    NSLog(@"U4WebViewControler.userContentController-didReceiveScriptMessage");
    if ([message.body isKindOfClass:[NSString class]])
    {
        NSLog(@"U4WebViewControler.userContentController: string");
    }
}

- (void) becomeResponder:(BOOL) flag
{
    [webPanel becomeResponder:flag];
    [self.view setNeedsLayout];
    [self.view setNeedsDisplay];
    
    [self.view snapshotViewAfterScreenUpdates:YES];
}

- (BOOL) jsReturnIndication:(NSString *)string
{
    // NSLog(@"U4WebViewController.javaReturn: %@", string);
    BOOL ret;
    if (string) {
        mostRecentJavascriptReturnStr = [string copy];
        [webPanel.webControls setBackgroundColor:[UIColor greenColor]];
        ret = YES;
    } else {
        mostRecentJavascriptReturnStr = @"Null return";
        [webPanel.webControls setBackgroundColor:[UIColor orangeColor]];
        ret = NO;
    }
    return ret;
}
- (void) jsTitleReturn:(NSString *)string
{
    NSLog(@"U4WebViewController.jsTitleReturn: string: %@", string);
    if ([self jsReturnIndication:string]) {
        mostRecentTitle = [string copy];
    }
}
- (void) jsIngredientsReturn:(NSString *)string
{
    if ([self jsReturnIndication:string]) {
        mostRecentIngredients = [string copy];
    }
}
- (void) jsInstructionReturn:(NSString *)string
{
    if ([self jsReturnIndication:string]) {
        mostRecentInstruction = [string copy];
    }
}

- (void)logCopy
{
    NSString *displayString = @"WEB COPY";
    NSArray<NSString *> *pasteStrings = [[UIPasteboard generalPasteboard] pasteboardTypes];
    // NSLog(@"U4WebViewController.logCopy: pasteStrings: %@", pasteStrings);
    for (NSString *pasteStr in pasteStrings) {
        // NSLog(@"U4WebViewController.logCopy: pasteStr: %@", pasteStr);
        NSObject *valPasteType = [pasteboard valueForPasteboardType:pasteStr];
        if (nil != valPasteType) {
            NSLog(@"U4WebViewController.logCopy: has paste type: %@", pasteStr);
            
            NSString *addPasteType = [NSString stringWithFormat: @"%@ - %@", @"\n", pasteStr];
            displayString = [displayString stringByAppendingString:addPasteType];
            
            if ([@"public.utf8-plain-text" isEqualToString:pasteStr]) {
                NSObject *obj5 = [pasteboard valueForPasteboardType:pasteStr];
                NSString *addInfo = [NSString stringWithFormat: @"%@",  obj5];
                displayString = [displayString stringByAppendingString:addInfo];
            }
       }
    }
    NSLog(@"U4WebViewController.logCopy: displayString: %@", displayString);
}
- (void) setControlbarColor:(UIColor *)color
{
    [webPanel.webControls setBackgroundColor:color];
}

- (void) fireSnippetScreen
{
    NSLog(@"U4WebViewController.fireSnippetScreen: w/title: %@", mostRecentTitle);
    W7WebSnippetViewController *parameterView =
    [[W7WebSnippetViewController alloc] initWithNibName:nil bundle:nil];
    
    [parameterView setShowHtmlTitle:mostRecentTitle];
    
    NSAttributedString *titleSimple = [[NSAttributedString alloc] initWithData:[mostRecentTitle dataUsingEncoding:NSUTF8StringEncoding] options:@{NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType, NSCharacterEncodingDocumentAttribute: [NSNumber numberWithInt:NSUTF8StringEncoding]} documentAttributes:nil error:nil];
    [parameterView setShowTextTitle:[titleSimple string]];

    
    [parameterView setShowHtmlIngredients:mostRecentIngredients];
    [parameterView setShowHtmlInstruction:mostRecentInstruction];
    
    [self.navigationController pushViewController:parameterView animated:YES];
}
#pragma mark - WKUIDelegate

- (void)webView:(WKWebView *)webView2 didFinishNavigation:(WKNavigation *)navigation
{
    [webPanel updateWebControls];
    [webPanel.webControls setBackgroundColor:[UIColor blueColor]];
    [webPanel scanPageForTitle];
    [webPanel scanPageForIngredients];
    [webPanel scanPageForInstruction];
    NSLog(@"WebViewController.didFinishNavigation");
}

- (void)webView:(WKWebView *)webView
runJavaScriptAlertPanelWithMessage:(NSString *)message
initiatedByFrame:(WKFrameInfo *)frame
completionHandler:(void (^)(void))completionHandler
{
    NSLog(@"U4WebViewController:runJavaScriptAlertPanelWithMessage");
}

- (void)webView:(WKWebView *)webView
runJavaScriptConfirmPanelWithMessage:(NSString *)message
initiatedByFrame:(WKFrameInfo *)frame
completionHandler:(void (^)(BOOL result))completionHandler
{
    NSLog(@"U4WebViewController:runJavaScriptConfirmPanelWithMessage");
}


- (void)webView:(WKWebView *)webView
runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt
    defaultText:(NSString *)defaultText
initiatedByFrame:(WKFrameInfo *)frame
completionHandler:(void (^)(NSString *result))completionHandler
{
    NSLog(@"U4WebViewController:runJavaScriptTextInputPanelWithPrompt");
}


#pragma mark - WKNavigationDelegate

- (void)webView:(WKWebView *)webView
didCommitNavigation:(WKNavigation *)navigation
{
    // NSLog(@"U4WebViewController.didCommitNavigation: active URL: %@", webView.URL.description);
}

- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(null_unspecified WKNavigation *)navigation
{
    NSLog(@"U4WebViewController.didStartProvisionalNavigation: active URL: %@", webView.URL.description);
    [webPanel.webControls setBackgroundColor:[UIColor whiteColor]];
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler{
    NSHTTPURLResponse *response = (NSHTTPURLResponse *)navigationResponse.response;
    NSArray *cookies =[NSHTTPCookie cookiesWithResponseHeaderFields:[response allHeaderFields] forURL:response.URL];
    for (NSHTTPCookie *cookie in cookies) {
        [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookie];
    }
    
    decisionHandler(WKNavigationResponsePolicyAllow);
    //NSLog(@"decidePolicyForNavigationResponse");
}


//Download manager
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
    
    NSURLRequest *request = navigationAction.request;
    fileURL = request.URL;
    
//    HCDownloadViewController *dlvc = [[HCDownloadViewController alloc] init];
//    UINavigationController *vc = [[UINavigationController alloc] initWithRootViewController:dlvc];
//    vc.transitioningDelegate  = self;
//    dlvc.delegate = self;
    
    // NSLog(@"U4WebViewController.decidePolicyForNavigationAction: ~~~~~~~~~~~~~~~~~~~~~~");
    // [self logNavigationAction:navigationAction];
    if (navigationAction.navigationType == WKNavigationTypeLinkActivated) {
        
        //Internal file links
        // NSString *internalFileExtension = fileURL.absoluteString.pathExtension;
//        if ([fileExtensions containsObject:[internalFileExtension lowercaseString]]) {
//
//            //Fire download
//            // TODO: DLVC  [dlvc downloadURL:fileURL userInfo:nil];
//
//
//            [self presentViewController:vc animated:YES completion:nil];
//            [vc release];
//
//            NSLog(@"internalURL is %@", fileURL);
//            if (decisionHandler) {
//                decisionHandler(WKNavigationActionPolicyCancel);
//            }
//            return;
//        }
//
//        //External file extensions
//        NSString *externalFileExtension = fileURL.pathExtension;
//        if ([fileExtensions containsObject:[externalFileExtension lowercaseString]]) {
//
//            //Fire download
//            [dlvc downloadURL:fileURL userInfo:nil];
//            [self presentViewController:vc animated:YES completion:nil];
//            [vc release];
//
//            NSLog(@"externalURL is %@", fileURL);
//            if (decisionHandler) {
//                decisionHandler(WKNavigationActionPolicyCancel);
//            }
//            return;
//        }
    }
    
    if (decisionHandler) {
        decisionHandler(WKNavigationActionPolicyAllow);
    }
}

#pragma mark - controls

//- (void) clickBackButton
//{
//    [webPanel.webView goBack];
//}
//
//- (void) clickChecklistButton
//{
//    NSLog(@"U4WebViewController.clickChecklistButton");
//    NSBundle *mb = [NSBundle mainBundle];
//    NSURL *nsurl=[mb URLForResource:@"testHalibut" withExtension:@"html"];
//    NSURLRequest *nsrequest=[NSURLRequest requestWithURL:nsurl];
//    [webPanel.webView loadRequest:nsrequest];
//}
//- (void) clickStirButton
//{
//    NSLog(@"U4WebViewController.clickStirButton");
//    [webPanel stirJavascript];
//}
//- (void) clickForwardButton
//{
//    [webPanel.webView goForward];
//}

//- (void) logNavigationAction: (WKNavigationAction *)navigationAction
//{
//    NSLog(@"     request: %@", navigationAction.request);
//    NSLog(@"    source frame: %@", navigationAction.sourceFrame);
//    NSLog(@"    target frame: %@", navigationAction.targetFrame);
//    if (navigationAction.navigationType == WKNavigationTypeLinkActivated) {
//        NSLog(@"     WKNavigationTypeLinkActivated");
//    }
//    if (navigationAction.navigationType == WKNavigationTypeFormSubmitted) {
//        NSLog(@"     WKNavigationTypeFormSubmitted");
//    }
//    if (navigationAction.navigationType == WKNavigationTypeBackForward) {
//        NSLog(@"     WKNavigationTypeBackForward");
//    }
//    if (navigationAction.navigationType == WKNavigationTypeReload) {
//        NSLog(@"     WKNavigationTypeReload");
//    }
//    if (navigationAction.navigationType == WKNavigationTypeFormResubmitted) {
//        NSLog(@"     WKNavigationTypeFormResubmitted");
//    }
//    if (navigationAction.navigationType == WKNavigationTypeOther) {
//        NSLog(@"     WKNavigationTypeOther");
//    }
//}
/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    NSLog(@"U4WebViewController.didReceiveMemoryWarning");
}

@end