#46 keyboardDisplayRequiresUserAction doesn't work

#184 KeyboardDisplayRequiresUserAction workaround

Author: EddyVerbruggen

README.md

@@ -54,6 +54,7 @@ $ cordova plugin add cordova-plugin-wkwebview --variable WKWEBVIEW_SERVER_PORT=1
 No need for anything else - you can now open the project in XCode 6 if you like.
 
 ## 4. Changelog
+* __0.6.5__  `KeyboardDisplayRequiresUserAction` works! So set to `false` if you want the keyboard to pop up when programmatically focussing an input field.
 * __0.6.4__  On top of the port preference introduced in 0.6.3 you can now override the default variable when installing this plugin (see 'Installation').
 * __0.6.3__  By default the embedded webserver uses port `12344`, but if you want to you can now override that port by setting f.i. `<preference name="WKWebViewPluginEmbeddedServerPort" value="20000" />` in `config.xml`.
 * __0.6.2__  LocalStorage is copied from UIWebView to WKWebView again (iOS location was recently changed as it appears).

package.json

@@ -1,5 +1,5 @@
 {
-    "version": "0.6.4",
+    "version": "0.6.5",
     "name": "cordova-plugin-wkwebview",
     "cordova_name": "WKWebView Polyfill",
     "description": "A drop-in replacement of UIWebView for boosted performance and enhanced HTML5 support",

plugin.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         id="com.telerik.plugins.wkwebview"
-        version="0.6.4">
+        version="0.6.5">
 
   <name>WKWebView Polyfill</name>
 

src/ios/MyMainViewController.m

@@ -1,3 +1,4 @@
+#import <objc/runtime.h>
 #import "MyMainViewController.h"
 #import <Cordova/CDVTimer.h>
 #import <Cordova/CDVLocalStorage.h>
@@ -392,6 +393,10 @@ - (void)viewDidLoad
     if ([self.webView respondsToSelector:@selector(setKeyboardDisplayRequiresUserAction:)]) {
       [self.webView setValue:[NSNumber numberWithBool:keyboardDisplayRequiresUserAction] forKey:@"keyboardDisplayRequiresUserAction"];
     }
+    
+    if (!keyboardDisplayRequiresUserAction) {
+      [self keyboardDisplayDoesNotRequireUserAction];
+    }
   }
 
   /*
@@ -601,6 +606,18 @@ - (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigati
   decisionHandler(WKNavigationActionPolicyAllow);
 }
 
+// this is by far the weirest piece of code I've produced to date (swizzling a private method)
+- (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);
+}
+
 #pragma mark WKScriptMessageHandler implementation
 
 #ifdef __IPHONE_8_0