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Updated from UIWebView to WKWebView #147

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merged 1 commit into from Nov 13, 2019
Merged

Updated from UIWebView to WKWebView #147

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4 changes: 2 additions & 2 deletions ios/RNHTMLtoPDF/RNHTMLtoPDF.h
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Expand Up @@ -3,7 +3,7 @@

#import <React/RCTView.h>
#import <React/RCTBridgeModule.h>

@interface RNHTMLtoPDF : RCTView <RCTBridgeModule, UIWebViewDelegate>
#import <WebKit/WebKit.h>
@interface RNHTMLtoPDF : RCTView <RCTBridgeModule, WKNavigationDelegate>

@end
41 changes: 20 additions & 21 deletions ios/RNHTMLtoPDF/RNHTMLtoPDF.m
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Expand Up @@ -52,7 +52,7 @@ @implementation RNHTMLtoPDF {
UIColor *_bgColor;
NSInteger *_numberOfPages;
CGSize _PDFSize;
UIWebView *_webView;
WKWebView *_webView;
float _paddingBottom;
float _paddingTop;
float _paddingLeft;
Expand All @@ -73,8 +73,8 @@ + (BOOL)requiresMainQueueSetup
- (instancetype)init
{
if (self = [super init]) {
_webView = [[UIWebView alloc] initWithFrame:self.bounds];
_webView.delegate = self;
_webView = [[WKWebView alloc] initWithFrame:self.bounds];
_webView.navigationDelegate = self;
[self addSubview:_webView];
autoHeight = false;
}
Expand Down Expand Up @@ -173,44 +173,43 @@ - (instancetype)init

NSString *path = [[NSBundle mainBundle] bundlePath];
NSURL *baseURL = [NSURL fileURLWithPath:path];

[_webView loadHTMLString:_html baseURL:baseURL];
dispatch_async(dispatch_get_main_queue(), ^{
[_webView loadHTMLString:_html baseURL:baseURL];
});

_resolveBlock = resolve;
_rejectBlock = reject;

}

- (void)webViewDidFinishLoad:(UIWebView *)awebView
{
if (awebView.isLoading)
return;

-(void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
if (webView.isLoading)
return;

UIPrintPageRenderer *render = [[UIPrintPageRenderer alloc] init];
[render addPrintFormatter:awebView.viewPrintFormatter startingAtPageAtIndex:0];

[render addPrintFormatter:webView.viewPrintFormatter startingAtPageAtIndex:0];
// Define the printableRect and paperRect
// If the printableRect defines the printable area of the page
CGRect paperRect = CGRectMake(0, 0, _PDFSize.width, _PDFSize.height);
CGRect printableRect = CGRectMake(_paddingTop, _paddingLeft, _PDFSize.width-(_paddingLeft + _paddingRight), _PDFSize.height-(_paddingBottom + _paddingTop));


[render setValue:[NSValue valueWithCGRect:paperRect] forKey:@"paperRect"];
[render setValue:[NSValue valueWithCGRect:printableRect] forKey:@"printableRect"];

NSData * pdfData = [render printToPDF:&_numberOfPages backgroundColor:_bgColor ];

if (pdfData) {
NSString *pdfBase64 = @"";

[pdfData writeToFile:_filePath atomically:YES];
if (_base64) {
pdfBase64 = [pdfData base64EncodedStringWithOptions:0];
}
NSDictionary *data = [NSDictionary dictionaryWithObjectsAndKeys:
pdfBase64, @"base64",
[NSString stringWithFormat: @"%ld", (long)_numberOfPages], @"numberOfPages",
_filePath, @"filePath", nil];
pdfBase64, @"base64",
[NSString stringWithFormat: @"%ld", (long)_numberOfPages], @"numberOfPages",
_filePath, @"filePath", nil];
_resolveBlock(data);
} else {
NSError *error;
Expand Down