Y3WebViewResponder Class Reference

#import <Y3WebView.h>

Inheritance diagram for Y3WebViewResponder:

Collaboration diagram for Y3WebViewResponder:

Instance Methods
(instancetype)	- initWithFrame:configuration:andControllerDelegate:
(void)	- copy:
(BOOL)	- becomeFirstResponder [implementation]
(BOOL)	- resignFirstResponder [implementation]
(id NSError *error)	- provideQueryCopyBlock: [implementation]
(void)	- exerciseJavascriptBasic: [implementation]
(void)	- exerciseJavascriptSendSelection [implementation]
(void)	- exerciseJavascriptScanForRecipe [implementation]
(void)	- exerciseJavascriptScanForTitle [implementation]
(void)	- exerciseJavascriptScanForIngredients [implementation]
(void)	- exerciseJavascriptScanForInstruction [implementation]
(void)	- showConsole [implementation]
(void)	- userContentController:didReceiveScriptMessage: [implementation]

Detailed Description

This view simply sub-classes the WKWebView, to catch Copy/Paste and firstResponder notices.

Definition at line 18 of file Y3WebView.h.

Method Documentation

becomeFirstResponder()

- (BOOL) becomeFirstResponder

implementation

Definition at line 62 of file Y3WebView.m.

{
    NSLog(@"Y3WebView.becomeFirstResponder");
    [y3rDelegate becomeResponder:YES];
    BOOL ret = [super becomeFirstResponder];
    return ret;
}

copy:()

- (void) copy:

(id)

sender

Definition at line 76 of file Y3WebView.m.

            :(id)sender {
    NSLog(@"Y3WebView.copyClicked:  start:sender class: %@", NSStringFromClass([sender class]));
     
    [self exerciseJavascriptSendSelection];
}

exerciseJavascriptBasic:()

- (void) exerciseJavascriptBasic: (NSString *)  js

implementation

Definition at line 119 of file Y3WebView.m.

                                : (NSString *)js
{
    void (^queryCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnBasic];
    [self evaluateJavaScript:js completionHandler:queryCopyBlock];
}

exerciseJavascriptScanForIngredients()

- (void) exerciseJavascriptScanForIngredients

implementation

Definition at line 170 of file Y3WebView.m.

{
    NSBundle *mb = [NSBundle mainBundle];
    NSError *error;
    NSString *jsPathStr = [mb pathForResource:@"scanForIngredients"
                                       ofType:@"js"
                                  inDirectory:@"webviewJS"];
    NSString* content = [NSString stringWithContentsOfFile:jsPathStr
                                                  encoding:NSUTF8StringEncoding
                                                     error:&error];
    if (nil == error) {
        NSLog(@"Y3WebView.exerciseJavascriptScanForIngredients: content: %@", content);
        void (^queryIngredientsCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnIngredients];
        [self evaluateJavaScript:content completionHandler:queryIngredientsCopyBlock];
    } else {
        NSLog(@"Y3WebView.exerciseJavascriptScanForIngredients: error: %@", error);
    }
}

exerciseJavascriptScanForInstruction()

- (void) exerciseJavascriptScanForInstruction

implementation

Definition at line 188 of file Y3WebView.m.

{
    NSBundle *mb = [NSBundle mainBundle];
    NSString *jsPathStr = [mb pathForResource:@"scanForInstruction"
                                       ofType:@"js"
                                  inDirectory:@"webviewJS"];
    NSString* content = [NSString stringWithContentsOfFile:jsPathStr
                                                  encoding:NSUTF8StringEncoding
                                                     error:NULL];
    void (^queryInstructionCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnInstructions];
    [self evaluateJavaScript:content completionHandler:queryInstructionCopyBlock];
}

exerciseJavascriptScanForRecipe()

- (void) exerciseJavascriptScanForRecipe

implementation

Definition at line 135 of file Y3WebView.m.

{
    NSBundle *mb = [NSBundle mainBundle];
    NSString *jsPathStr = [mb pathForResource:@"scanForRecipe"
                                       ofType:@"js"
                                  inDirectory:@"webviewJS"];
    NSString* content = [NSString stringWithContentsOfFile:jsPathStr
                                                  encoding:NSUTF8StringEncoding
                                                     error:NULL];
    NSLog(@"Y3WebView.exerciseJavascriptScanForRecipe: content: %@", content);
    void (^queryTitleCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnTitle];
    [self evaluateJavaScript:content completionHandler:queryTitleCopyBlock];
    
/*   
    void (^queryIngredientsCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnIngredients];
    [self evaluateJavaScript:content completionHandler:queryIngredientsCopyBlock];
 
    void (^queryInstructionCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnInstructions];
    [self evaluateJavaScript:content completionHandler:queryInstructionCopyBlock];
 */
}

exerciseJavascriptScanForTitle()

- (void) exerciseJavascriptScanForTitle

implementation

Definition at line 156 of file Y3WebView.m.

{
    NSBundle *mb = [NSBundle mainBundle];
    NSString *jsPathStr = [mb pathForResource:@"scanForTitle"
                                       ofType:@"js"
                                  inDirectory:@"webviewJS"];
    NSString* content = [NSString stringWithContentsOfFile:jsPathStr
                                                  encoding:NSUTF8StringEncoding
                                                     error:NULL];
    NSLog(@"Y3WebView.exerciseJavascriptScanForTitle: content: %@", content);
    void (^queryTitleCopyBlock)(id, NSError *error) = [self provideQueryCopyBlock:ReturnTitle];
    [self evaluateJavaScript:content completionHandler:queryTitleCopyBlock];
}

exerciseJavascriptSendSelection()

- (void) exerciseJavascriptSendSelection

implementation

Definition at line 124 of file Y3WebView.m.

{
    NSBundle *mb = [NSBundle mainBundle];
    NSString *jsPathStr = [mb pathForResource:@"detectSelection"
                                       ofType:@"js"];
    NSString* content = [NSString stringWithContentsOfFile:jsPathStr
                                                  encoding:NSUTF8StringEncoding
                                                     error:NULL];

    [self exerciseJavascriptBasic:content];
}

initWithFrame:configuration:andControllerDelegate:()

- (instancetype) initWithFrame:		(CGRect)	frame
configuration:		(WKWebViewConfiguration *)	configuration
andControllerDelegate:		(id<Y3WebViewDelegate>)	delegate

Definition at line 41 of file Y3WebView.m.

                             :(CGRect)frame
                configuration:(WKWebViewConfiguration *)configuration
        andControllerDelegate:(id<Y3WebViewDelegate>)delegate
{
    self = [super initWithFrame:frame configuration:configuration];
    if (self) {
        y3rDelegate = delegate;
        
        if (configuration.showConsole) {
            WKUserContentController *userCC = configuration.userContentController;
            [userCC addScriptMessageHandler:self name:@"log"];
            
            [userCC addScriptMessageHandler:self name:@"logging"];
            [userCC addScriptMessageHandler:self name:@"newSelectionDetected"] ;

            [self showConsole];
        }
    }
    return self;
}

provideQueryCopyBlock:()

- (id NSError *error) provideQueryCopyBlock: (MenuItemSegment)  itemSegment

implementation

Definition at line 82 of file Y3WebView.m.

                                                      :(MenuItemSegment) itemSegment
{
    void (^queryCopyBlock)(id, NSError *error) = ^void(id jsReturn, NSError *error)
    {
        if (nil == error) {

             // [self->y3rDelegate jsReturn:jsReturn];
            switch (itemSegment) {
                case ReturnBasic:
                    [self->y3rDelegate jsReturnIndication:jsReturn];
                    NSLog(@"Y3WebView.provideQueryCopyBlock: ReturnBasic: %@", jsReturn);
                    break;
                case ReturnTitle:
                    [self->y3rDelegate jsTitleReturn:jsReturn];
                    NSLog(@"Y3WebView.provideQueryCopyBlock: ReturnTitle: %@", jsReturn);
                    break;
                case ReturnIngredients:
                    [self->y3rDelegate jsIngredientsReturn:jsReturn];
                    NSLog(@"Y3WebView.provideQueryCopyBlock: ReturnIngredients: %@", jsReturn);
                   break;
                case ReturnInstructions:
                    [self->y3rDelegate jsInstructionReturn:jsReturn];
                    NSLog(@"Y3WebView.provideQueryCopyBlock: ReturnInstructions: %@", jsReturn);
                   break;
                default:
                    NSLog(@"Y3WebView.provideQueryCopyBlock: default?: ret: %@", jsReturn);
                    break;
            }
            [self->y3rDelegate setControlbarColor:[UIColor greenColor]];
        } else {
            NSLog(@"Y3WebView.provideQueryCopyBlock: completion: ERROR: %@", error);
            [self->y3rDelegate setControlbarColor:[UIColor redColor]];
        }
    };
    return queryCopyBlock;
}

resignFirstResponder()

- (BOOL) resignFirstResponder

implementation

Definition at line 69 of file Y3WebView.m.

{
    NSLog(@"Y3WebView.resignFirstResponder");
     [y3rDelegate becomeResponder:NO];
    BOOL ret = [super resignFirstResponder];
    return ret;
}

showConsole()

- (void) showConsole

implementation

Definition at line 201 of file Y3WebView.m.

                    {
    //rewrite the method of console.log
    NSString *jsCode = @"console.log = (function(oriLogFunc){\
    return function(str)\
    {\
    window.webkit.messageHandlers.log.postMessage(str);\
    oriLogFunc.call(console,str);\
    }\
    })(console.log);";
    //injected the method when H5 starts to create the DOM tree
    [self.configuration.userContentController addUserScript:[[WKUserScript alloc] initWithSource:jsCode injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:YES]];
}

userContentController:didReceiveScriptMessage:()

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

implementation

Definition at line 213 of file Y3WebView.m.

                             :(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
    NSLog(@"OK> %@",message.body);
}

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

• TodaysMenu/embeddedView/Y3WebView.h
• TodaysMenu/embeddedView/Y3WebView.m