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#import <objc/runtime.h>
#import <UIKit/UIKit.h>
#import "UIWebViewExtension.h"
//Credit: https://gist.github.com/bjhomer/2048571
//Also: http://stackoverflow.com/a/23398487/1091751
@implementation UIWebView (HackishAccessoryHiding)
static const char * const hackishFixClassName = "UIWebBrowserViewMinusAccessoryView";
static Class hackishFixClass = Nil;
- (UIView *)hackishlyFoundBrowserView {
UIScrollView *scrollView = self.scrollView;
UIView *browserView = nil;
for (UIView *subview in scrollView.subviews) {
if ([NSStringFromClass([subview class]) hasPrefix:@"UIWebBrowserView"]) {
browserView = subview;
break;
}
}
return browserView;
}
- (id)methodReturningNil {
return nil;
}
- (void)ensureHackishSubclassExistsOfBrowserViewClass:(Class)browserViewClass {
if (!hackishFixClass) {
Class newClass = objc_allocateClassPair(browserViewClass, hackishFixClassName, 0);
IMP nilImp = [self methodForSelector:@selector(methodReturningNil)];
class_addMethod(newClass, @selector(inputAccessoryView), nilImp, "@@:");
objc_registerClassPair(newClass);
hackishFixClass = newClass;
}
}
- (BOOL) hackishlyHidesInputAccessoryView {
UIView *browserView = [self hackishlyFoundBrowserView];
return [browserView class] == hackishFixClass;
}
- (void) setHackishlyHidesInputAccessoryView:(BOOL)value {
UIView *browserView = [self hackishlyFoundBrowserView];
if (browserView == nil) {
return;
}
[self ensureHackishSubclassExistsOfBrowserViewClass:[browserView class]];
if (value) {
object_setClass(browserView, hackishFixClass);
}
else {
Class normalClass = objc_getClass("UIWebBrowserView");
object_setClass(browserView, normalClass);
}
[browserView reloadInputViews];
}
/* ---------------------------------------------------------------- */
/*
- (UIKeyboardAppearance) darkKeyboardAppearanceTemplateMethod {
return UIKeyboardAppearanceDark;
}
- (UIKeyboardAppearance) lightKeyboardAppearanceTemplateMethod {
return UIKeyboardAppearanceLight;
}
- (BOOL) styleDark {
UIView *browserView = [self hackishlyFoundBrowserView];
if (browserView == nil) {
return false;
}
Method m = class_getInstanceMethod( [self class], @selector( darkKeyboardAppearanceTemplateMethod ) );
IMP imp = method_getImplementation( m );
Method m2 = class_getInstanceMethod( [browserView class], @selector(keyboardAppearance) );
IMP imp2 = method_getImplementation( m2 );
return imp == imp2;
}
- (void) setStyleDark:(BOOL)styleDark {
UIView *browserView = [self hackishlyFoundBrowserView];
if (browserView == nil) {
return;
}
if ( styleDark ) {
Method m = class_getInstanceMethod( [self class], @selector( darkKeyboardAppearanceTemplateMethod ) );
IMP imp = method_getImplementation( m );
const char* typeEncoding = method_getTypeEncoding( m );
class_replaceMethod( [browserView class], @selector(keyboardAppearance), imp, typeEncoding );
}
else {
Method m = class_getInstanceMethod( [self class], @selector( lightKeyboardAppearanceTemplateMethod ) );
IMP imp = method_getImplementation( m );
const char* typeEncoding = method_getTypeEncoding( m );
class_replaceMethod( [browserView class], @selector(keyboardAppearance), imp, typeEncoding );
}
}
*/
@end
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