Merge pull request #171 from onderceylan/master

Fix bug where WKWebView doesn't respect the KeyboardDisplayRequiresUserAction setting

Author: mlynch

src/ios/CDVWKWebViewEngine.m

@@ -152,6 +152,10 @@ - (void)pluginInitialize
     if ([self.viewController conformsToProtocol:@protocol(WKScriptMessageHandler)]) {
         [wkWebView.configuration.userContentController addScriptMessageHandler:(id < WKScriptMessageHandler >)self.viewController name:CDV_BRIDGE_NAME];
     }
+    
+    if (![settings cordovaBoolSettingForKey:@"KeyboardDisplayRequiresUserAction" defaultValue:YES]) {		
+        [self keyboardDisplayDoesNotRequireUserAction];		
+    }
 
     [self updateSettings:settings];
 
@@ -167,6 +171,18 @@ - (void)pluginInitialize
     [self addURLObserver];
 }
 
+// https://github.com/Telerik-Verified-Plugins/WKWebView/commit/04e8296adeb61f289f9c698045c19b62d080c7e3#L609-L620
+- (void) keyboardDisplayDoesNotRequireUserAction {
+		SEL sel = sel_getUid("_startAssistingNode:userIsInteracting:blurPreviousNode:userObject:");
+  	Class WKContentView = NSClassFromString(@"WKContentView");
+  	Method method = class_getInstanceMethod(WKContentView, sel);
+  	IMP originalImp = method_getImplementation(method);
+  	IMP imp = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, id arg3) {
+    		((void (*)(id, SEL, void*, BOOL, BOOL, id))originalImp)(me, sel, arg0, TRUE, arg2, arg3);
+  	});
+  	method_setImplementation(method, imp);
+}
+
 - (void)onReset {
     [self addURLObserver];
 }