U4WebViewController Class Reference

#import <U4WebViewController.h>

Inheritance diagram for U4WebViewController:

Collaboration diagram for U4WebViewController:

Instance Methods
(void)	- viewDidLoad [implementation]
(void)	- viewWillAppear: [implementation]
(void)	- userContentController:didReceiveScriptMessage: [implementation]
(void)	- becomeResponder: [implementation]
(BOOL)	- jsReturnIndication: [implementation]
(void)	- jsTitleReturn: [implementation]
(void)	- jsIngredientsReturn: [implementation]
(void)	- jsInstructionReturn: [implementation]
(void)	- logCopy [implementation]
(void)	- setControlbarColor: [implementation]
(void)	- fireSnippetScreen [implementation]
(void)	- webView:didFinishNavigation: [implementation]
(void)	- webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:completionHandler: [implementation]
(void)	- webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:completionHandler: [implementation]
(void)	- webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:completionHandler: [implementation]
(void)	- webView:didCommitNavigation: [implementation]
(void)	- webView:didStartProvisionalNavigation: [implementation]
(void)	- webView:decidePolicyForNavigationResponse:decisionHandler: [implementation]
(void)	- webView:decidePolicyForNavigationAction:decisionHandler: [implementation]
(void)	- didReceiveMemoryWarning [implementation]

Detailed Description

Web View Controller

This bunch of modules provides for capturong information about recipes from the web, and maintaining pointers into the original page and the 'Print'

This is where the javascript evaluation of web pages is orchestrated

Action at the click of the web button on the camera snap View controller.

Definition at line 13 of file U4WebViewController.h.

Method Documentation

becomeResponder:()

- (void) becomeResponder: (BOOL)  flag

implementation

Definition at line 147 of file U4WebViewController.m.

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

didReceiveMemoryWarning()

- (void) didReceiveMemoryWarning

implementation

Definition at line 414 of file U4WebViewController.m.

                                {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    NSLog(@"U4WebViewController.didReceiveMemoryWarning");
}

fireSnippetScreen()

- (void) fireSnippetScreen

implementation

Definition at line 219 of file U4WebViewController.m.

{
    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];
}

jsIngredientsReturn:()

- (void) jsIngredientsReturn: (NSString *)  string

implementation

Definition at line 178 of file U4WebViewController.m.

                            :(NSString *)string
{
    if ([self jsReturnIndication:string]) {
        mostRecentIngredients = [string copy];
    }
}

jsInstructionReturn:()

- (void) jsInstructionReturn: (NSString *)  string

implementation

Definition at line 184 of file U4WebViewController.m.

                            :(NSString *)string
{
    if ([self jsReturnIndication:string]) {
        mostRecentInstruction = [string copy];
    }
}

jsReturnIndication:()

- (BOOL) jsReturnIndication: (NSString *)  string

implementation

Definition at line 156 of file U4WebViewController.m.

                           :(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;
}

jsTitleReturn:()

- (void) jsTitleReturn: (NSString *)  string

implementation

Definition at line 171 of file U4WebViewController.m.

                      :(NSString *)string
{
    NSLog(@"U4WebViewController.jsTitleReturn: string: %@", string);
    if ([self jsReturnIndication:string]) {
        mostRecentTitle = [string copy];
    }
}

logCopy()

- (void) logCopy

implementation

Definition at line 191 of file U4WebViewController.m.

{
    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);
}

setControlbarColor:()

- (void) setControlbarColor: (UIColor *)  color

implementation

Definition at line 214 of file U4WebViewController.m.

                           :(UIColor *)color
{
    [webPanel.webControls setBackgroundColor:color];
}

userContentController:didReceiveScriptMessage:()

- (void) userContentController: (WKUserContentController*)  userContentController didReceiveScriptMessage: (WKScriptMessage*)  message

implementation

Definition at line 136 of file U4WebViewController.m.

                                 :(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");
    }
}

viewDidLoad()

- (void) viewDidLoad

implementation

Definition at line 103 of file U4WebViewController.m.

                    {
    [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];
}

viewWillAppear:()

- (void) viewWillAppear: (BOOL)  animated

implementation

Definition at line 131 of file U4WebViewController.m.

                      :(BOOL)animated
{
    [webPanel.webView setBackgroundColor:[UIColor grayColor]];
    [webPanel setBackgroundColor:[UIColor colorWithHue:0.22 saturation:1.0 brightness:0.6 alpha:1.0]];
}

webView:decidePolicyForNavigationAction:decisionHandler:()

- (void) webView: (WKWebView *)  webView decidePolicyForNavigationAction: (WKNavigationAction *)  navigationAction decisionHandler: (void(^)(WKNavigationActionPolicy))  decisionHandler

implementation

Definition at line 302 of file U4WebViewController.m.

               :(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);
    }
}

webView:decidePolicyForNavigationResponse:decisionHandler:()

- (void) webView: (WKWebView *)  webView decidePolicyForNavigationResponse: (WKNavigationResponse *)  navigationResponse decisionHandler: (void(^)(WKNavigationResponsePolicy))  decisionHandler

implementation

Definition at line 289 of file U4WebViewController.m.

               :(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");
}

webView:didCommitNavigation:()

- (void) webView: (WKWebView *)  webView didCommitNavigation: (WKNavigation *)  navigation

implementation

Definition at line 277 of file U4WebViewController.m.

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

webView:didFinishNavigation:()

- (void) webView: (WKWebView *)  webView2 didFinishNavigation: (WKNavigation *)  navigation

implementation

Definition at line 238 of file U4WebViewController.m.

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

webView:didStartProvisionalNavigation:()

- (void) webView: (WKWebView *)  webView didStartProvisionalNavigation: (null_unspecified WKNavigation *)  navigation

implementation

Definition at line 283 of file U4WebViewController.m.

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

webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:completionHandler:()

- (void) webView: (WKWebView *)  webView runJavaScriptAlertPanelWithMessage: (NSString *)  message initiatedByFrame: (WKFrameInfo *)  frame completionHandler: (void(^)(void))  completionHandler

implementation

Definition at line 248 of file U4WebViewController.m.

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

webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:completionHandler:()

- (void) webView: (WKWebView *)  webView runJavaScriptConfirmPanelWithMessage: (NSString *)  message initiatedByFrame: (WKFrameInfo *)  frame completionHandler: (void(^)(BOOL result))  completionHandler

implementation

Definition at line 256 of file U4WebViewController.m.

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

webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:completionHandler:()

- (void) webView: (WKWebView *)  webView runJavaScriptTextInputPanelWithPrompt: (NSString *)  prompt defaultText: (NSString *)  defaultText initiatedByFrame: (WKFrameInfo *)  frame completionHandler: (void(^)(NSString *result))  completionHandler

implementation

Definition at line 265 of file U4WebViewController.m.

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

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The documentation for this class was generated from the following files:

• TodaysMenu/viewControllers/nutrition/menuCapture/U4WebViewController.h
• TodaysMenu/viewControllers/nutrition/menuCapture/U4WebViewController.m