//
// InAppWebView.swift
// flutter_inappwebview
//
// Created by Lorenzo on 21/10/18.
//
import Flutter
import Foundation
import WebKit
func currentTimeInMilliSeconds() -> Int64 {
let currentDate = Date()
let since1970 = currentDate.timeIntervalSince1970
return Int64(since1970 * 1000)
}
func convertToDictionary(text: String) -> [String: Any]? {
if let data = text.data(using: .utf8) {
do {
return try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]
} catch {
print(error.localizedDescription)
}
}
return nil
}
func JSONStringify(value: Any, prettyPrinted: Bool = false) -> String {
let options: JSONSerialization.WritingOptions = prettyPrinted ? .prettyPrinted : .init(rawValue: 0)
if JSONSerialization.isValidJSONObject(value) {
let data = try? JSONSerialization.data(withJSONObject: value, options: options)
if data != nil {
if let string = String(data: data!, encoding: .utf8) {
return string
}
}
}
return ""
}
let JAVASCRIPT_BRIDGE_NAME = "flutter_inappwebview"
// https://github.com/tildeio/rsvp.js
let promisePolyfillJS = """
if (window.Promise == null) {
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.RSVP={})}(this,function(t){"use strict";function e(t){var e=t._promiseCallbacks;return e||(e=t._promiseCallbacks={}),e}var r={mixin:function(t){return t.on=this.on,t.off=this.off,t.trigger=this.trigger,t._promiseCallbacks=void 0,t},on:function(t,r){if("function"!=typeof r)throw new TypeError("Callback must be a function");var n=e(this),o=n[t];o||(o=n[t]=[]),-1===o.indexOf(r)&&o.push(r)},off:function(t,r){var n=e(this);if(r){var o=n[t],i=o.indexOf(r);-1!==i&&o.splice(i,1)}else n[t]=[]},trigger:function(t,r,n){var o=e(this)[t];if(o)for(var i=0;i<o.length;i++)(0,o[i])(r,n)}},n={instrument:!1};function o(t,e){if(2!==arguments.length)return n[t];n[t]=e}r.mixin(n);var i=[];function s(t,e,r){1===i.push({name:t,payload:{key:e._guidKey,id:e._id,eventName:t,detail:e._result,childId:r&&r._id,label:e._label,timeStamp:Date.now(),error:n["instrument-with-stack"]?new Error(e._label):null}})&&setTimeout(function(){for(var t=0;t<i.length;t++){var e=i[t],r=e.payload;r.guid=r.key+r.id,r.childGuid=r.key+r.childId,r.error&&(r.stack=r.error.stack),n.trigger(e.name,e.payload)}i.length=0},50)}function u(t,e){if(t&&"object"==typeof t&&t.constructor===this)return t;var r=new this(c,e);return m(r,t),r}function c(){}var a=void 0,f=1,l=2,h={error:null};function p(t){try{return t.then}catch(t){return h.error=t,h}}var y=void 0;function _(){try{var t=y;return y=null,t.apply(this,arguments)}catch(t){return h.error=t,h}}function v(t){return y=t,_}function d(t,e,r){if(e.constructor===t.constructor&&r===A&&t.constructor.resolve===u)!function(t,e){e._state===f?b(t,e._result):e._state===l?(e._onError=null,g(t,e._result)):j(e,void 0,function(r){e===r?b(t,r):m(t,r)},function(e){return g(t,e)})}(t,e);else if(r===h){var o=h.error;h.error=null,g(t,o)}else"function"==typeof r?function(t,e,r){n.async(function(t){var n=!1,o=v(r).call(e,function(r){n||(n=!0,e===r?b(t,r):m(t,r))},function(e){n||(n=!0,g(t,e))},"Settle: "+(t._label||" unknown promise"));if(!n&&o===h){n=!0;var i=h.error;h.error=null,g(t,i)}},t)}(t,e,r):b(t,e)}function m(t,e){var r,n;t===e?b(t,e):(n=typeof(r=e),null===r||"object"!==n&&"function"!==n?b(t,e):d(t,e,p(e)))}function w(t){t._onError&&t._onError(t._result),O(t)}function b(t,e){t._state===a&&(t._result=e,t._state=f,0===t._subscribers.length?n.instrument&&s("fulfilled",t):n.async(O,t))}function g(t,e){t._state===a&&(t._state=l,t._result=e,n.async(w,t))}function j(t,e,r,o){var i=t._subscribers,s=i.length;t._onError=null,i[s]=e,i[s+f]=r,i[s+l]=o,0===s&&t._state&&n.async(O,t)}function O(t){var e=t._subscribers,r=t._state;if(n.instrument&&s(r===f?"fulfilled":"rejected",t),0!==e.length){for(var o=void 0,i=void 0,u=t._result,c=0;c<e.length;c+=3)o=e[c],i=e[c+r],o?E(r,o,i,u):i(u);t._subscribers.length=0}}function E(t,e,r,n){var o="function"==typeof r,i=void 0;if(i=o?v(r)(n):n,e._state!==a);else if(i===e)g(e,new TypeError("A promises callback cannot return that same promise."));else if(i===h){var s=h.error;h.error=null,g(e,s)}else o?m(e,i):t===f?b(e,i):t===l&&g(e,i)}function A(t,e,r){var o=this._state;if(o===f&&!t||o===l&&!e)return n.instrument&&s("chained",this,this),this;this._onError=null;var i=new this.constructor(c,r),u=this._result;if(n.instrument&&s("chained",this,i),o===a)j(this,i,t,e);else{var h=o===f?t:e;n.async(function(){return E(o,i,h,u)})}return i}var T=function(){function t(t,e,r,n){this._instanceConstructor=t,this.promise=new t(c,n),this._abortOnReject=r,this._isUsingOwnPromise=t===k,this._isUsingOwnResolve=t.resolve===u,this._init.apply(this,arguments)}return t.prototype._init=function(t,e){var r=e.length||0;this.length=r,this._remaining=r,this._result=new Array(r),this._enumerate(e)},t.prototype._enumerate=function(t){for(var e=this.length,r=this.promise,n=0;r._state===a&&n<e;n++)this._eachEntry(t[n],n,!0);this._checkFullfillment()},t.prototype._checkFullfillment=function(){if(0===this._remaining){var t=this._result;b(this.promise,t),this._result=null}},t.prototype._settleMaybeThenable=function(t,e,r){var n=this._instanceConstructor;if(this._isUsingOwnResolve){var o=p(t);if(o===A&&t._state!==a)t._onError=null,this._settledAt(t._state,e,t._result,r);else if("function"!=typeof o)this._settledAt(f,e,t,r);else if(this._isUsingOwnPromise){var i=new n(c);d(i,t,o),this._willSettleAt(i,e,r)}else this._willSettleAt(new n(function(e){return e(t)}),e,r)}else this._willSettleAt(n.resolve(t),e,r)},t.prototype._eachEntry=function(t,e,r){null!==t&&"object"==typeof t?this._settleMaybeThenable(t,e,r):this._setResultAt(f,e,t,r)},t.prototype._settledAt=function(t,e,r,n){var o=this.promise;o._state===a&&(this._abortOnReject&&t===l?g(o,r):(this._setResultAt(t,e,r,n),this._checkFullfillment()))},t.prototype._setResultAt=function(t,e,r,n){this._remaining--,this._result[e]=r},t.prototype._willSettleAt=function(t,e,r){var n=this;j(t,void 0,function(t){return n._settledAt(f,e,t,r)},function(t){return n._settledAt(l,e,t,r)})},t}();function P(t,e,r){this._remaining--,this._result[e]=t===f?{state:"fulfilled",value:r}:{state:"rejected",reason:r}}var S="rsvp_"+Date.now()+"-",R=0;var k=function(){function t(e,r){this._id=R++,this._label=r,this._state=void 0,this._result=void 0,this._subscribers=[],n.instrument&&s("created",this),c!==e&&("function"!=typeof e&&function(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}(),this instanceof t?function(t,e){var r=!1;try{e(function(e){r||(r=!0,m(t,e))},function(e){r||(r=!0,g(t,e))})}catch(e){g(t,e)}}(this,e):function(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}())}return t.prototype._onError=function(t){var e=this;n.after(function(){e._onError&&n.trigger("error",t,e._label)})},t.prototype.catch=function(t,e){return this.then(void 0,t,e)},t.prototype.finally=function(t,e){var r=this.constructor;return"function"==typeof t?this.then(function(e){return r.resolve(t()).then(function(){return e})},function(e){return r.resolve(t()).then(function(){throw e})}):this.then(t,t)},t}();function x(t,e){return{then:function(r,n){return t.call(e,r,n)}}}function M(t,e){var r=function(){for(var r=arguments.length,n=new Array(r+1),o=!1,i=0;i<r;++i){var s=arguments[i];if(!o){if((o=F(s))===h){var u=h.error;h.error=null;var a=new k(c);return g(a,u),a}o&&!0!==o&&(s=x(o,s))}n[i]=s}var f=new k(c);return n[r]=function(t,r){t?g(f,t):void 0===e?m(f,r):!0===e?m(f,function(t){for(var e=t.length,r=new Array(e-1),n=1;n<e;n++)r[n-1]=t[n];return r}(arguments)):Array.isArray(e)?m(f,function(t,e){for(var r={},n=t.length,o=new Array(n),i=0;i<n;i++)o[i]=t[i];for(var s=0;s<e.length;s++)r[e[s]]=o[s+1];return r}(arguments,e)):m(f,r)},o?function(t,e,r,n){return k.all(e).then(function(e){return C(t,e,r,n)})}(f,n,t,this):C(f,n,t,this)};return r.__proto__=t,r}function C(t,e,r,n){if(v(r).apply(n,e)===h){var o=h.error;h.error=null,g(t,o)}return t}function F(t){return null!==t&&"object"==typeof t&&(t.constructor===k||p(t))}function I(t,e){return k.all(t,e)}k.cast=u,k.all=function(t,e){return Array.isArray(t)?new T(this,t,!0,e).promise:this.reject(new TypeError("Promise.all must be called with an array"),e)},k.race=function(t,e){var r=new this(c,e);if(!Array.isArray(t))return g(r,new TypeError("Promise.race must be called with an array")),r;for(var n=0;r._state===a&&n<t.length;n++)j(this.resolve(t[n]),void 0,function(t){return m(r,t)},function(t){return g(r,t)});return r},k.resolve=u,k.reject=function(t,e){var r=new this(c,e);return g(r,t),r},k.prototype._guidKey=S,k.prototype.then=A;var N=function(t){function e(e,r,n){return function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,t.call(this,e,r,!1,n))}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,t),e}(T);function U(t,e){return Array.isArray(t)?new N(k,t,e).promise:k.reject(new TypeError("Promise.allSettled must be called with an array"),e)}function D(t,e){return k.race(t,e)}N.prototype._setResultAt=P;var K=function(t){function e(e,r){var n=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],o=arguments[3];return function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,t.call(this,e,r,n,o))}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,t),e.prototype._init=function(t,e){this._result={},this._enumerate(e)},e.prototype._enumerate=function(t){var e=Object.keys(t),r=e.length,n=this.promise;this._remaining=r;for(var o=void 0,i=void 0,s=0;n._state===a&&s<r;s++)i=t[o=e[s]],this._eachEntry(i,o,!0);this._checkFullfillment()},e}(T);function q(t,e){return k.resolve(t,e).then(function(t){if(null===t||"object"!=typeof t)throw new TypeError("Promise.hash must be called with an object");return new K(k,t,e).promise})}var G=function(t){function e(e,r,n){return function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,t.call(this,e,r,!1,n))}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,t),e}(K);function L(t,e){return k.resolve(t,e).then(function(t){if(null===t||"object"!=typeof t)throw new TypeError("hashSettled must be called with an object");return new G(k,t,!1,e).promise})}function V(t){throw setTimeout(function(){throw t}),t}function W(t){var e={resolve:void 0,reject:void 0};return e.promise=new k(function(t,r){e.resolve=t,e.reject=r},t),e}G.prototype._setResultAt=P;var Y=function(t){function e(e,r,n,o){return function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,t.call(this,e,r,!0,o,n))}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,t),e.prototype._init=function(t,e,r,n,o){var i=e.length||0;this.length=i,this._remaining=i,this._result=new Array(i),this._mapFn=o,this._enumerate(e)},e.prototype._setResultAt=function(t,e,r,n){if(n){var o=v(this._mapFn)(r,e);o===h?this._settledAt(l,e,o.error,!1):this._eachEntry(o,e,!1)}else this._remaining--,this._result[e]=r},e}(T);function $(t,e,r){return"function"!=typeof e?k.reject(new TypeError("map expects a function as a second argument"),r):k.resolve(t,r).then(function(t){if(!Array.isArray(t))throw new TypeError("map must be called with an array");return new Y(k,t,e,r).promise})}function z(t,e){return k.resolve(t,e)}function B(t,e){return k.reject(t,e)}var H={},J=function(t){function e(){return function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,t.apply(this,arguments))}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(e,t),e.prototype._checkFullfillment=function(){if(0===this._remaining&&null!==this._result){var t=this._result.filter(function(t){return t!==H});b(this.promise,t),this._result=null}},e.prototype._setResultAt=function(t,e,r,n){if(n){this._result[e]=r;var o=v(this._mapFn)(r,e);o===h?this._settledAt(l,e,o.error,!1):this._eachEntry(o,e,!1)}else this._remaining--,r||(this._result[e]=H)},e}(Y);function Q(t,e,r){return"function"!=typeof e?k.reject(new TypeError("filter expects function as a second argument"),r):k.resolve(t,r).then(function(t){if(!Array.isArray(t))throw new TypeError("filter must be called with an array");return new J(k,t,e,r).promise})}var X=0,Z=void 0;function tt(t,e){ut[X]=t,ut[X+1]=e,2===(X+=2)&&_t()}var et="undefined"!=typeof window?window:void 0,rt=et||{},nt=rt.MutationObserver||rt.WebKitMutationObserver,ot="undefined"==typeof self&&"undefined"!=typeof process&&"[object process]"==={}.toString.call(process),it="undefined"!=typeof Uint8ClampedArray&&"undefined"!=typeof importScripts&&"undefined"!=typeof MessageChannel;function st(){return function(){return setTimeout(ct,1)}}var ut=new Array(1e3);function ct(){for(var t=0;t<X;t+=2){(0,ut[t])(ut[t+1]),ut[t]=void 0,ut[t+1]=void 0}X=0}var at,ft,lt,ht,pt,yt,_t=void 0;ot?(pt=process.nextTick,yt=process.versions.node.match(/^(?:(\\d+)\\.)?(?:(\\d+)\\.)?(\\*|\\d+)$/),Array.isArray(yt)&&"0"===yt[1]&&"10"===yt[2]&&(pt=setImmediate),_t=function(){return pt(ct)}):nt?(ft=0,lt=new nt(ct),ht=document.createTextNode(""),lt.observe(ht,{characterData:!0}),_t=function(){return ht.data=ft=++ft%2}):it?((at=new MessageChannel).port1.onmessage=ct,_t=function(){return at.port2.postMessage(0)}):_t=void 0===et&&"function"==typeof require?function(){try{var t=Function("return this")().require("vertx");return void 0!==(Z=t.runOnLoop||t.runOnContext)?function(){Z(ct)}:st()}catch(t){return st()}}():st(),n.async=tt,n.after=function(t){return setTimeout(t,0)};var vt=z,dt=function(t,e){return n.async(t,e)};function mt(){n.on.apply(n,arguments)}function wt(){n.off.apply(n,arguments)}if("undefined"!=typeof window&&"object"==typeof window.__PROMISE_INSTRUMENTATION__){var bt=window.__PROMISE_INSTRUMENTATION__;for(var gt in o("instrument",!0),bt)bt.hasOwnProperty(gt)&&mt(gt,bt[gt])}var jt={asap:tt,cast:vt,Promise:k,EventTarget:r,all:I,allSettled:U,race:D,hash:q,hashSettled:L,rethrow:V,defer:W,denodeify:M,configure:o,on:mt,off:wt,resolve:z,reject:B,map:$,async:dt,filter:Q};t.default=jt,t.asap=tt,t.cast=vt,t.Promise=k,t.EventTarget=r,t.all=I,t.allSettled=U,t.race=D,t.hash=q,t.hashSettled=L,t.rethrow=V,t.defer=W,t.denodeify=M,t.configure=o,t.on=mt,t.off=wt,t.resolve=z,t.reject=B,t.map=$,t.async=dt,t.filter=Q,Object.defineProperty(t,"__esModule",{value:!0})});
window.Promise = RSVP.Promise;
}
"""
let javaScriptBridgeJS = """
window.\(JAVASCRIPT_BRIDGE_NAME) = {};
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler = function() {
var _windowId = window._flutter_inappwebview_windowId;
var _callHandlerID = setTimeout(function(){});
window.webkit.messageHandlers['callHandler'].postMessage( {'handlerName': arguments[0], '_callHandlerID': _callHandlerID, 'args': JSON.stringify(Array.prototype.slice.call(arguments, 1)), '_windowId': _windowId} );
return new Promise(function(resolve, reject) {
window.\(JAVASCRIPT_BRIDGE_NAME)[_callHandlerID] = resolve;
});
};
"""
// the message needs to be concatenated with '' in order to have the same behavior like on Android
let consoleLogJS = """
(function(console) {
var oldLogs = {
'consoleLog': console.log,
'consoleDebug': console.debug,
'consoleError': console.error,
'consoleInfo': console.info,
'consoleWarn': console.warn
};
for (var k in oldLogs) {
(function(oldLog) {
console[oldLog.replace('console', '').toLowerCase()] = function() {
var message = '';
for (var i in arguments) {
if (message == '') {
message += arguments[i];
}
else {
message += ' ' + arguments[i];
}
}
var _windowId = window._flutter_inappwebview_windowId;
window.webkit.messageHandlers[oldLog].postMessage({'message': message, '_windowId': _windowId});
oldLogs[oldLog].apply(null, arguments);
}
})(k);
}
})(window.console);
"""
let printJS = """
window.print = function() {
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler("onPrint", window.location.href);
}
"""
let platformReadyJS = "window.dispatchEvent(new Event('flutterInAppWebViewPlatformReady'));";
let findTextHighlightJS = """
var wkwebview_SearchResultCount = 0;
var wkwebview_CurrentHighlight = 0;
var wkwebview_IsDoneCounting = false;
function wkwebview_FindAllAsyncForElement(element, keyword) {
if (element) {
if (element.nodeType == 3) {
// Text node
var elementTmp = element;
while (true) {
var value = elementTmp.nodeValue; // Search for keyword in text node
var idx = value.toLowerCase().indexOf(keyword);
if (idx < 0) break;
var span = document.createElement("span");
var text = document.createTextNode(value.substr(idx, keyword.length));
span.appendChild(text);
span.setAttribute(
"id",
"WKWEBVIEW_SEARCH_WORD_" + wkwebview_SearchResultCount
);
span.setAttribute("class", "wkwebview_Highlight");
var backgroundColor = wkwebview_SearchResultCount == 0 ? "#FF9732" : "#FFFF00";
span.setAttribute("style", "color: #000 !important; background: " + backgroundColor + " !important; padding: 0px !important; margin: 0px !important; border: 0px !important;");
text = document.createTextNode(value.substr(idx + keyword.length));
element.deleteData(idx, value.length - idx);
var next = element.nextSibling;
element.parentNode.insertBefore(span, next);
element.parentNode.insertBefore(text, next);
element = text;
wkwebview_SearchResultCount++;
elementTmp = document.createTextNode(
value.substr(idx + keyword.length)
);
var _windowId = window._flutter_inappwebview_windowId;
window.webkit.messageHandlers["onFindResultReceived"].postMessage(
{
'findResult': {
'activeMatchOrdinal': wkwebview_CurrentHighlight,
'numberOfMatches': wkwebview_SearchResultCount,
'isDoneCounting': wkwebview_IsDoneCounting
},
'_windowId': _windowId
}
);
}
} else if (element.nodeType == 1) {
// Element node
if (
element.style.display != "none" &&
element.nodeName.toLowerCase() != "select"
) {
for (var i = element.childNodes.length - 1; i >= 0; i--) {
wkwebview_FindAllAsyncForElement(
element.childNodes[element.childNodes.length - 1 - i],
keyword
);
}
}
}
}
}
// the main entry point to start the search
function wkwebview_FindAllAsync(keyword) {
wkwebview_ClearMatches();
wkwebview_FindAllAsyncForElement(document.body, keyword.toLowerCase());
wkwebview_IsDoneCounting = true;
var _windowId = window._flutter_inappwebview_windowId;
window.webkit.messageHandlers["onFindResultReceived"].postMessage(
{
'findResult': {
'activeMatchOrdinal': wkwebview_CurrentHighlight,
'numberOfMatches': wkwebview_SearchResultCount,
'isDoneCounting': wkwebview_IsDoneCounting
},
'_windowId': _windowId
}
);
}
// helper function, recursively removes the highlights in elements and their childs
function wkwebview_ClearMatchesForElement(element) {
if (element) {
if (element.nodeType == 1) {
if (element.getAttribute("class") == "wkwebview_Highlight") {
var text = element.removeChild(element.firstChild);
element.parentNode.insertBefore(text, element);
element.parentNode.removeChild(element);
return true;
} else {
var normalize = false;
for (var i = element.childNodes.length - 1; i >= 0; i--) {
if (wkwebview_ClearMatchesForElement(element.childNodes[i])) {
normalize = true;
}
}
if (normalize) {
element.normalize();
}
}
}
}
return false;
}
// the main entry point to remove the highlights
function wkwebview_ClearMatches() {
wkwebview_SearchResultCount = 0;
wkwebview_CurrentHighlight = 0;
wkwebview_ClearMatchesForElement(document.body);
}
function wkwebview_FindNext(forward) {
if (wkwebview_SearchResultCount <= 0) return;
var idx = wkwebview_CurrentHighlight + (forward ? +1 : -1);
idx =
idx < 0
? wkwebview_SearchResultCount - 1
: idx >= wkwebview_SearchResultCount
? 0
: idx;
wkwebview_CurrentHighlight = idx;
var scrollTo = document.getElementById("WKWEBVIEW_SEARCH_WORD_" + idx);
if (scrollTo) {
var highlights = document.getElementsByClassName("wkwebview_Highlight");
for (var i = 0; i < highlights.length; i++) {
var span = highlights[i];
span.style.backgroundColor = "#FFFF00";
}
scrollTo.style.backgroundColor = "#FF9732";
scrollTo.scrollIntoView({
behavior: "auto",
block: "center"
});
var _windowId = window._flutter_inappwebview_windowId;
window.webkit.messageHandlers["onFindResultReceived"].postMessage(
{
'findResult': {
'activeMatchOrdinal': wkwebview_CurrentHighlight,
'numberOfMatches': wkwebview_SearchResultCount,
'isDoneCounting': wkwebview_IsDoneCounting
},
'_windowId': _windowId
}
);
}
}
"""
let variableForOnLoadResourceJS = "_flutter_inappwebview_useOnLoadResource"
let enableVariableForOnLoadResourceJS = "window.\(variableForOnLoadResourceJS) = $PLACEHOLDER_VALUE;"
let resourceObserverJS = """
(function() {
var observer = new PerformanceObserver(function(list) {
list.getEntries().forEach(function(entry) {
if (window.\(variableForOnLoadResourceJS) == null || window.\(variableForOnLoadResourceJS) == true) {
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler("onLoadResource", entry);
}
});
});
observer.observe({entryTypes: ['resource']});
})();
"""
let variableForShouldInterceptAjaxRequestJS = "_flutter_inappwebview_useShouldInterceptAjaxRequest"
let enableVariableForShouldInterceptAjaxRequestJS = "window.\(variableForShouldInterceptAjaxRequestJS) = $PLACEHOLDER_VALUE;"
let interceptAjaxRequestsJS = """
(function(ajax) {
var send = ajax.prototype.send;
var open = ajax.prototype.open;
var setRequestHeader = ajax.prototype.setRequestHeader;
ajax.prototype._flutter_inappwebview_url = null;
ajax.prototype._flutter_inappwebview_method = null;
ajax.prototype._flutter_inappwebview_isAsync = null;
ajax.prototype._flutter_inappwebview_user = null;
ajax.prototype._flutter_inappwebview_password = null;
ajax.prototype._flutter_inappwebview_password = null;
ajax.prototype._flutter_inappwebview_already_onreadystatechange_wrapped = false;
ajax.prototype._flutter_inappwebview_request_headers = {};
function convertRequestResponse(request, callback) {
if (request.response != null && request.responseType != null) {
switch (request.responseType) {
case 'arraybuffer':
callback(new Uint8Array(request.response));
return;
case 'blob':
const reader = new FileReader();
reader.addEventListener('loadend', function() {
callback(new Uint8Array(reader.result));
});
reader.readAsArrayBuffer(blob);
return;
case 'document':
callback(request.response.documentElement.outerHTML);
return;
case 'json':
callback(request.response);
return;
};
}
callback(null);
};
ajax.prototype.open = function(method, url, isAsync, user, password) {
isAsync = (isAsync != null) ? isAsync : true;
this._flutter_inappwebview_url = url;
this._flutter_inappwebview_method = method;
this._flutter_inappwebview_isAsync = isAsync;
this._flutter_inappwebview_user = user;
this._flutter_inappwebview_password = password;
this._flutter_inappwebview_request_headers = {};
open.call(this, method, url, isAsync, user, password);
};
ajax.prototype.setRequestHeader = function(header, value) {
this._flutter_inappwebview_request_headers[header] = value;
setRequestHeader.call(this, header, value);
};
function handleEvent(e) {
var self = this;
if (window.\(variableForShouldInterceptAjaxRequestJS) == null || window.\(variableForShouldInterceptAjaxRequestJS) == true) {
var headers = this.getAllResponseHeaders();
var responseHeaders = {};
if (headers != null) {
var arr = headers.trim().split(/[\\r\\n]+/);
arr.forEach(function (line) {
var parts = line.split(': ');
var header = parts.shift();
var value = parts.join(': ');
responseHeaders[header] = value;
});
}
convertRequestResponse(this, function(response) {
var ajaxRequest = {
method: self._flutter_inappwebview_method,
url: self._flutter_inappwebview_url,
isAsync: self._flutter_inappwebview_isAsync,
user: self._flutter_inappwebview_user,
password: self._flutter_inappwebview_password,
withCredentials: self.withCredentials,
headers: self._flutter_inappwebview_request_headers,
readyState: self.readyState,
status: self.status,
responseURL: self.responseURL,
responseType: self.responseType,
response: response,
responseText: (self.responseType == 'text' || self.responseType == '') ? self.responseText : null,
responseXML: (self.responseType == 'document' && self.responseXML != null) ? self.responseXML.documentElement.outerHTML : null,
statusText: self.statusText,
responseHeaders, responseHeaders,
event: {
type: e.type,
loaded: e.loaded,
lengthComputable: e.lengthComputable,
total: e.total
}
};
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('onAjaxProgress', ajaxRequest).then(function(result) {
if (result != null) {
switch (result) {
case 0:
self.abort();
return;
};
}
});
});
}
};
ajax.prototype.send = function(data) {
var self = this;
if (window.\(variableForShouldInterceptAjaxRequestJS) == null || window.\(variableForShouldInterceptAjaxRequestJS) == true) {
if (!this._flutter_inappwebview_already_onreadystatechange_wrapped) {
this._flutter_inappwebview_already_onreadystatechange_wrapped = true;
var onreadystatechange = this.onreadystatechange;
this.onreadystatechange = function() {
if (window.\(variableForShouldInterceptAjaxRequestJS) == null || window.\(variableForShouldInterceptAjaxRequestJS) == true) {
var headers = this.getAllResponseHeaders();
var responseHeaders = {};
if (headers != null) {
var arr = headers.trim().split(/[\\r\\n]+/);
arr.forEach(function (line) {
var parts = line.split(': ');
var header = parts.shift();
var value = parts.join(': ');
responseHeaders[header] = value;
});
}
convertRequestResponse(this, function(response) {
var ajaxRequest = {
method: self._flutter_inappwebview_method,
url: self._flutter_inappwebview_url,
isAsync: self._flutter_inappwebview_isAsync,
user: self._flutter_inappwebview_user,
password: self._flutter_inappwebview_password,
withCredentials: self.withCredentials,
headers: self._flutter_inappwebview_request_headers,
readyState: self.readyState,
status: self.status,
responseURL: self.responseURL,
responseType: self.responseType,
response: response,
responseText: (self.responseType == 'text' || self.responseType == '') ? self.responseText : null,
responseXML: (self.responseType == 'document' && self.responseXML != null) ? self.responseXML.documentElement.outerHTML : null,
statusText: self.statusText,
responseHeaders: responseHeaders
};
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('onAjaxReadyStateChange', ajaxRequest).then(function(result) {
if (result != null) {
switch (result) {
case 0:
self.abort();
return;
};
}
if (onreadystatechange != null) {
onreadystatechange();
}
});
});
} else if (onreadystatechange != null) {
onreadystatechange();
}
};
}
this.addEventListener('loadstart', handleEvent);
this.addEventListener('load', handleEvent);
this.addEventListener('loadend', handleEvent);
this.addEventListener('progress', handleEvent);
this.addEventListener('error', handleEvent);
this.addEventListener('abort', handleEvent);
this.addEventListener('timeout', handleEvent);
var ajaxRequest = {
data: data,
method: this._flutter_inappwebview_method,
url: this._flutter_inappwebview_url,
isAsync: this._flutter_inappwebview_isAsync,
user: this._flutter_inappwebview_user,
password: this._flutter_inappwebview_password,
withCredentials: this.withCredentials,
headers: this._flutter_inappwebview_request_headers,
responseType: this.responseType
};
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('shouldInterceptAjaxRequest', ajaxRequest).then(function(result) {
if (result != null) {
switch (result.action) {
case 0:
self.abort();
return;
};
data = result.data;
self.withCredentials = result.withCredentials;
if (result.responseType != null) {
self.responseType = result.responseType;
};
for (var header in result.headers) {
var value = result.headers[header];
var flutter_inappwebview_value = self._flutter_inappwebview_request_headers[header];
if (flutter_inappwebview_value == null) {
self._flutter_inappwebview_request_headers[header] = value;
} else {
self._flutter_inappwebview_request_headers[header] += ', ' + value;
}
setRequestHeader.call(self, header, value);
};
if ((self._flutter_inappwebview_method != result.method && result.method != null) || (self._flutter_inappwebview_url != result.url && result.url != null)) {
self.abort();
self.open(result.method, result.url, result.isAsync, result.user, result.password);
return;
}
}
send.call(self, data);
});
} else {
send.call(this, data);
}
};
})(window.XMLHttpRequest);
"""
let variableForShouldInterceptFetchRequestsJS = "_flutter_inappwebview_useShouldInterceptFetchRequest"
let enableVariableForShouldInterceptFetchRequestsJS = "window.\(variableForShouldInterceptFetchRequestsJS) = $PLACEHOLDER_VALUE;"
let interceptFetchRequestsJS = """
(function(fetch) {
if (fetch == null) {
return;
}
function convertHeadersToJson(headers) {
var headersObj = {};
for (var header of headers.keys()) {
var value = headers.get(header);
headersObj[header] = value;
}
return headersObj;
}
function convertJsonToHeaders(headersJson) {
return new Headers(headersJson);
}
function convertBodyToArray(body) {
return new Response(body).arrayBuffer().then(function(arrayBuffer) {
var arr = Array.from(new Uint8Array(arrayBuffer));
return arr;
})
}
function convertArrayIntBodyToUint8Array(arrayIntBody) {
return new Uint8Array(arrayIntBody);
}
function convertCredentialsToJson(credentials) {
var credentialsObj = {};
if (window.FederatedCredential != null && credentials instanceof FederatedCredential) {
credentialsObj.type = credentials.type;
credentialsObj.id = credentials.id;
credentialsObj.name = credentials.name;
credentialsObj.protocol = credentials.protocol;
credentialsObj.provider = credentials.provider;
credentialsObj.iconURL = credentials.iconURL;
} else if (window.PasswordCredential != null && credentials instanceof PasswordCredential) {
credentialsObj.type = credentials.type;
credentialsObj.id = credentials.id;
credentialsObj.name = credentials.name;
credentialsObj.password = credentials.password;
credentialsObj.iconURL = credentials.iconURL;
} else {
credentialsObj.type = 'default';
credentialsObj.value = credentials;
}
}
function convertJsonToCredential(credentialsJson) {
var credentials;
if (window.FederatedCredential != null && credentialsJson.type === 'federated') {
credentials = new FederatedCredential({
id: credentialsJson.id,
name: credentialsJson.name,
protocol: credentialsJson.protocol,
provider: credentialsJson.provider,
iconURL: credentialsJson.iconURL
});
} else if (window.PasswordCredential != null && credentialsJson.type === 'password') {
credentials = new PasswordCredential({
id: credentialsJson.id,
name: credentialsJson.name,
password: credentialsJson.password,
iconURL: credentialsJson.iconURL
});
} else {
credentials = credentialsJson;
}
return credentials;
}
window.fetch = async function(resource, init) {
if (window.\(variableForShouldInterceptFetchRequestsJS) == null || window.\(variableForShouldInterceptFetchRequestsJS) == true) {
var fetchRequest = {
url: null,
method: null,
headers: null,
body: null,
mode: null,
credentials: null,
cache: null,
redirect: null,
referrer: null,
referrerPolicy: null,
integrity: null,
keepalive: null
};
if (resource instanceof Request) {
fetchRequest.url = resource.url;
fetchRequest.method = resource.method;
fetchRequest.headers = resource.headers;
fetchRequest.body = resource.body;
fetchRequest.mode = resource.mode;
fetchRequest.credentials = resource.credentials;
fetchRequest.cache = resource.cache;
fetchRequest.redirect = resource.redirect;
fetchRequest.referrer = resource.referrer;
fetchRequest.referrerPolicy = resource.referrerPolicy;
fetchRequest.integrity = resource.integrity;
fetchRequest.keepalive = resource.keepalive;
} else {
fetchRequest.url = resource;
if (init != null) {
fetchRequest.method = init.method;
fetchRequest.headers = init.headers;
fetchRequest.body = init.body;
fetchRequest.mode = init.mode;
fetchRequest.credentials = init.credentials;
fetchRequest.cache = init.cache;
fetchRequest.redirect = init.redirect;
fetchRequest.referrer = init.referrer;
fetchRequest.referrerPolicy = init.referrerPolicy;
fetchRequest.integrity = init.integrity;
fetchRequest.keepalive = init.keepalive;
}
}
if (fetchRequest.headers instanceof Headers) {
fetchRequest.headers = convertHeadersToJson(fetchRequest.headers);
}
fetchRequest.credentials = convertCredentialsToJson(fetchRequest.credentials);
return convertBodyToArray(fetchRequest.body).then(function(body) {
fetchRequest.body = body;
return window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('shouldInterceptFetchRequest', fetchRequest).then(function(result) {
if (result != null) {
switch (result.action) {
case 0:
var controller = new AbortController();
if (init != null) {
init.signal = controller.signal;
} else {
init = {
signal: controller.signal
};
}
controller.abort();
break;
}
resource = (result.url != null) ? result.url : resource;
if (init == null) {
init = {};
}
if (result.method != null && result.method.length > 0) {
init.method = result.method;
}
if (result.headers != null && Object.keys(result.headers).length > 0) {
init.headers = convertJsonToHeaders(result.headers);
}
if (result.body != null && result.body.length > 0) {
init.body = convertArrayIntBodyToUint8Array(result.body);
}
if (result.mode != null && result.mode.length > 0) {
init.mode = result.mode;
}
if (result.credentials != null) {
init.credentials = convertJsonToCredential(result.credentials);
}
if (result.cache != null && result.cache.length > 0) {
init.cache = result.cache;
}
if (result.redirect != null && result.redirect.length > 0) {
init.redirect = result.redirect;
}
if (result.referrer != null && result.referrer.length > 0) {
init.referrer = result.referrer;
}
if (result.referrerPolicy != null && result.referrerPolicy.length > 0) {
init.referrerPolicy = result.referrerPolicy;
}
if (result.integrity != null && result.integrity.length > 0) {
init.integrity = result.integrity;
}
if (result.keepalive != null) {
init.keepalive = result.keepalive;
}
return fetch(resource, init);
}
return fetch(resource, init);
});
});
} else {
return fetch(resource, init);
}
};
})(window.fetch);
"""
/**
https://developer.android.com/reference/android/webkit/WebView.HitTestResult
*/
let findElementsAtPointJS = """
window.\(JAVASCRIPT_BRIDGE_NAME)._findElementsAtPoint = function(x, y) {
var hitTestResultType = {
UNKNOWN_TYPE: 0,
PHONE_TYPE: 2,
GEO_TYPE: 3,
EMAIL_TYPE: 4,
IMAGE_TYPE: 5,
SRC_ANCHOR_TYPE: 7,
SRC_IMAGE_ANCHOR_TYPE: 8,
EDIT_TEXT_TYPE: 9
};
var element = document.elementFromPoint(x, y);
var data = {
type: 0,
extra: null
};
while (element) {
if (element.tagName === 'IMG' && element.src) {
if (element.parentNode && element.parentNode.tagName === 'A' && element.parentNode.href) {
data.type = hitTestResultType.SRC_IMAGE_ANCHOR_TYPE;
} else {
data.type = hitTestResultType.IMAGE_TYPE;
}
data.extra = element.src;
break;
} else if (element.tagName === 'A' && element.href) {
if (element.href.indexOf('mailto:') === 0) {
data.type = hitTestResultType.EMAIL_TYPE;
data.extra = element.href.replace('mailto:', '');
} else if (element.href.indexOf('tel:') === 0) {
data.type = hitTestResultType.PHONE_TYPE;
data.extra = element.href.replace('tel:', '');
} else if (element.href.indexOf('geo:') === 0) {
data.type = hitTestResultType.GEO_TYPE;
data.extra = element.href.replace('geo:', '');
} else {
data.type = hitTestResultType.SRC_ANCHOR_TYPE;
data.extra = element.href;
}
break;
} else if (
(element.tagName === 'INPUT' && ['text', 'email', 'password', 'number', 'search', 'tel', 'url'].indexOf(element.type) >= 0) ||
element.tagName === 'TEXTAREA') {
data.type = hitTestResultType.EDIT_TEXT_TYPE
}
element = element.parentNode;
}
return data;
}
"""
let getSelectedTextJS = """
(function(){
var txt;
if (window.getSelection) {
txt = window.getSelection().toString();
} else if (window.document.getSelection) {
txt = window.document.getSelection().toString();
} else if (window.document.selection) {
txt = window.document.selection.createRange().text;
}
return txt;
})();
"""
let lastTouchedAnchorOrImageJS = """
window.\(JAVASCRIPT_BRIDGE_NAME)._lastAnchorOrImageTouched = null;
window.\(JAVASCRIPT_BRIDGE_NAME)._lastImageTouched = null;
(function() {
document.addEventListener('touchstart', function(event) {
var target = event.target;
while (target) {
if (target.tagName === 'IMG') {
var img = target;
window.\(JAVASCRIPT_BRIDGE_NAME)._lastImageTouched = {
src: img.src
};
var parent = img.parentNode;
while (parent) {
if (parent.tagName === 'A') {
window.\(JAVASCRIPT_BRIDGE_NAME)._lastAnchorOrImageTouched = {
title: parent.textContent,
url: parent.href,
src: img.src
};
break;
}
parent = parent.parentNode;
}
return;
} else if (target.tagName === 'A') {
var link = target;
var images = link.getElementsByTagName('img');
var img = (images.length > 0) ? images[0] : null;
var imgSrc = (img != null) ? img.src : null;
window.\(JAVASCRIPT_BRIDGE_NAME)._lastImageTouched = (img != null) ? {src: img.src} : window.\(JAVASCRIPT_BRIDGE_NAME)._lastImageTouched;
window.\(JAVASCRIPT_BRIDGE_NAME)._lastAnchorOrImageTouched = {
title: link.textContent,
url: link.href,
src: imgSrc
};
return;
}
target = target.parentNode;
}
});
})();
"""
let originalViewPortMetaTagContentJS = """
window.\(JAVASCRIPT_BRIDGE_NAME)._originalViewPortMetaTagContent = "";
(function() {
var metaTagNodes = document.head.getElementsByTagName('meta');
for (var i = 0; i < metaTagNodes.length; i++) {
var metaTagNode = metaTagNodes[i];
if (metaTagNode.name === "viewport") {
window.\(JAVASCRIPT_BRIDGE_NAME)._originalViewPortMetaTagContent = metaTagNode.content;
}
}
})();
"""
let onWindowFocusEventJS = """
(function(){
window.addEventListener('focus', function(e) {
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('onWindowFocus');
});
})();
"""
let onWindowBlurEventJS = """
(function(){
window.addEventListener('blur', function(e) {
window.\(JAVASCRIPT_BRIDGE_NAME).callHandler('onWindowBlur');
});
})();
"""
let callAsyncJavaScriptBelowIOS14WrapperJS = """
(function(obj) {
(async function($FUNCTION_ARGUMENT_NAMES) {
$FUNCTION_BODY
})($FUNCTION_ARGUMENT_VALUES).then(function(value) {
window.webkit.messageHandlers['onCallAsyncJavaScriptResultBelowIOS14Received'].postMessage({'value': value, 'error': null, 'resultUuid': '$RESULT_UUID'});
}).catch(function(error) {
window.webkit.messageHandlers['onCallAsyncJavaScriptResultBelowIOS14Received'].postMessage({'value': null, 'error': error, 'resultUuid': '$RESULT_UUID'});
});
return null;
})($FUNCTION_ARGUMENTS_OBJ);
"""
var SharedLastTouchPointTimestamp: [InAppWebView: Int64] = [:]
public class WebViewTransport: NSObject {
var webView: InAppWebView
var request: URLRequest
init(webView: InAppWebView, request: URLRequest) {
self.webView = webView
self.request = request
}
}
public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavigationDelegate, WKScriptMessageHandler, UIGestureRecognizerDelegate {
var windowId: Int64?
var IABController: InAppBrowserWebViewController?
var channel: FlutterMethodChannel?
var options: InAppWebViewOptions?
var currentURL: URL?
var x509CertificateData: Data?
static var sslCertificateMap: [String: Data] = [:] // [URL host name : x509Certificate Data]
var startPageTime: Int64 = 0
static var credentialsProposed: [URLCredential] = []
var lastScrollX: CGFloat = 0
var lastScrollY: CGFloat = 0
var isPausedTimers = false
var isPausedTimersCompletionHandler: (() -> Void)?
// This flag is used to block the "shouldOverrideUrlLoading" event when the WKWebView is loading the first time,
// in order to have the same behavior as Android
var activateShouldOverrideUrlLoading = false
var contextMenu: [String: Any]?
var userScripts: [WKUserScript] = []
// https://github.com/mozilla-mobile/firefox-ios/blob/50531a7e9e4d459fb11d4fcb7d4322e08103501f/Client/Frontend/Browser/ContextMenuHelper.swift
fileprivate var nativeHighlightLongPressRecognizer: UILongPressGestureRecognizer?
var longPressRecognizer: UILongPressGestureRecognizer?
var lastLongPressTouchPoint: CGPoint?
var lastTouchPoint: CGPoint?
var lastTouchPointTimestamp = Int64(Date().timeIntervalSince1970 * 1000)
var contextMenuIsShowing = false
// flag used for the workaround to trigger onCreateContextMenu event as the same on Android
var onCreateContextMenuEventTriggeredWhenMenuDisabled = false
var customIMPs: [IMP] = []
static var windowWebViews: [Int64:WebViewTransport] = [:]
static var windowAutoincrementId: Int64 = 0;
var userScriptsContentWorlds: [String] = ["page"]
var callAsyncJavaScriptBelowIOS14Results: [String:FlutterResult] = [:]
init(frame: CGRect, configuration: WKWebViewConfiguration, IABController: InAppBrowserWebViewController?, contextMenu: [String: Any]?, channel: FlutterMethodChannel?) {
super.init(frame: frame, configuration: configuration)
self.channel = channel
self.contextMenu = contextMenu
self.IABController = IABController
uiDelegate = self
navigationDelegate = self
scrollView.delegate = self
self.longPressRecognizer = UILongPressGestureRecognizer()
self.longPressRecognizer!.delegate = self
self.longPressRecognizer!.addTarget(self, action: #selector(longPressGestureDetected))
}
override public var frame: CGRect {
get {
return super.frame
}
set {
super.frame = newValue
self.scrollView.contentInset = UIEdgeInsets.zero;
if #available(iOS 11, *) {
// Above iOS 11, adjust contentInset to compensate the adjustedContentInset so the sum will
// always be 0.
if (scrollView.adjustedContentInset != UIEdgeInsets.zero) {
let insetToAdjust = self.scrollView.adjustedContentInset;
scrollView.contentInset = UIEdgeInsets(top: -insetToAdjust.top, left: -insetToAdjust.left,
bottom: -insetToAdjust.bottom, right: -insetToAdjust.right);
}
}
}
}
required public init(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)!
}
public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return true
}
// BVC KVO events for all changes on the webview will call this.
// It is called frequently during a page load (particularly on progress changes and URL changes).
// As of iOS 12, WKContentView gesture setup is async, but it has been called by the time
// the webview is ready to load an URL. After this has happened, we can override the gesture.
func replaceGestureHandlerIfNeeded() {
DispatchQueue.main.async {
if self.gestureRecognizerWithDescriptionFragment("InAppWebView") == nil {
self.replaceWebViewLongPress()
}
}
}
private func replaceWebViewLongPress() {
// WebKit installs gesture handlers async. If `replaceWebViewLongPress` is called after a wkwebview in most cases a small delay is sufficient
// See also https://bugs.webkit.org/show_bug.cgi?id=193366
nativeHighlightLongPressRecognizer = gestureRecognizerWithDescriptionFragment("action=_highlightLongPressRecognized:")
if let nativeLongPressRecognizer = gestureRecognizerWithDescriptionFragment("action=_longPressRecognized:") {
nativeLongPressRecognizer.removeTarget(nil, action: nil)
nativeLongPressRecognizer.addTarget(self, action: #selector(self.longPressGestureDetected))
}
}
private func gestureRecognizerWithDescriptionFragment(_ descriptionFragment: String) -> UILongPressGestureRecognizer? {
let result = self.scrollView.subviews.compactMap({ $0.gestureRecognizers }).joined().first(where: {
(($0 as? UILongPressGestureRecognizer) != nil) && $0.description.contains(descriptionFragment)
})
return result as? UILongPressGestureRecognizer
}
@objc func longPressGestureDetected(_ sender: UIGestureRecognizer) {
if sender.state == .cancelled {
return
}
guard sender.state == .began else {
return
}
// To prevent the tapped link from proceeding with navigation, "cancel" the native WKWebView
// `_highlightLongPressRecognizer`. This preserves the original behavior as seen here:
// https://github.com/WebKit/webkit/blob/d591647baf54b4b300ca5501c21a68455429e182/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm#L1600-L1614
if let nativeHighlightLongPressRecognizer = self.nativeHighlightLongPressRecognizer,
nativeHighlightLongPressRecognizer.isEnabled {
nativeHighlightLongPressRecognizer.isEnabled = false
nativeHighlightLongPressRecognizer.isEnabled = true
}
//Finding actual touch location in webView
var touchLocation = sender.location(in: self)
touchLocation.x -= self.scrollView.contentInset.left
touchLocation.y -= self.scrollView.contentInset.top
touchLocation.x /= self.scrollView.zoomScale
touchLocation.y /= self.scrollView.zoomScale
lastLongPressTouchPoint = touchLocation
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._findElementsAtPoint(\(touchLocation.x),\(touchLocation.y))", completionHandler: {(value, error) in
if error != nil {
print("Long press gesture recognizer error: \(error?.localizedDescription ?? "")")
} else {
self.onLongPressHitTestResult(hitTestResult: value as! [String: Any?])
}
})
}
public override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
lastTouchPoint = point
lastTouchPointTimestamp = Int64(Date().timeIntervalSince1970 * 1000)
SharedLastTouchPointTimestamp[self] = lastTouchPointTimestamp
// re-build context menu items for the current webview
UIMenuController.shared.menuItems = []
if let menu = self.contextMenu {
if let menuItems = menu["menuItems"] as? [[String : Any]] {
for menuItem in menuItems {
let id = menuItem["iosId"] as! String
let title = menuItem["title"] as! String
let targetMethodName = "onContextMenuActionItemClicked-" + String(self.hash) + "-" + id
if !self.responds(to: Selector(targetMethodName)) {
let customAction: () -> Void = {
let arguments: [String: Any?] = [
"iosId": id,
"androidId": nil,
"title": title
]
self.channel?.invokeMethod("onContextMenuActionItemClicked", arguments: arguments)
}
let castedCustomAction: AnyObject = unsafeBitCast(customAction as @convention(block) () -> Void, to: AnyObject.self)
let swizzledImplementation = imp_implementationWithBlock(castedCustomAction)
class_addMethod(InAppWebView.self, Selector(targetMethodName), swizzledImplementation, nil)
self.customIMPs.append(swizzledImplementation)
}
let item = UIMenuItem(title: title, action: Selector(targetMethodName))
UIMenuController.shared.menuItems!.append(item)
}
}
}
return super.hitTest(point, with: event)
}
public override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
if let _ = sender as? UIMenuController {
if self.options?.disableContextMenu == true {
if !onCreateContextMenuEventTriggeredWhenMenuDisabled {
// workaround to trigger onCreateContextMenu event as the same on Android
self.onCreateContextMenu()
onCreateContextMenuEventTriggeredWhenMenuDisabled = true
DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
self.onCreateContextMenuEventTriggeredWhenMenuDisabled = false
}
}
return false
}
if let menu = contextMenu {
let contextMenuOptions = ContextMenuOptions()
if let contextMenuOptionsMap = menu["options"] as? [String: Any?] {
let _ = contextMenuOptions.parse(options: contextMenuOptionsMap)
if !action.description.starts(with: "onContextMenuActionItemClicked-") && contextMenuOptions.hideDefaultSystemContextMenuItems {
return false
}
}
}
if contextMenuIsShowing, !action.description.starts(with: "onContextMenuActionItemClicked-") {
let id = action.description.compactMap({ $0.asciiValue?.description }).joined()
let arguments: [String: Any?] = [
"iosId": id,
"androidId": nil,
"title": action.description
]
self.channel?.invokeMethod("onContextMenuActionItemClicked", arguments: arguments)
}
}
return super.canPerformAction(action, withSender: sender)
}
public func prepare() {
self.scrollView.addGestureRecognizer(self.longPressRecognizer!)
addObserver(self,
forKeyPath: #keyPath(WKWebView.estimatedProgress),
options: .new,
context: nil)
addObserver(self,
forKeyPath: #keyPath(WKWebView.url),
options: [.new, .old],
context: nil)
addObserver(self,
forKeyPath: #keyPath(WKWebView.title),
options: [.new, .old],
context: nil)
NotificationCenter.default.addObserver(
self,
selector: #selector(onCreateContextMenu),
name: UIMenuController.willShowMenuNotification,
object: nil)
NotificationCenter.default.addObserver(
self,
selector: #selector(onHideContextMenu),
name: UIMenuController.didHideMenuNotification,
object: nil)
// listen for videos playing in fullscreen
NotificationCenter.default.addObserver(self,
selector: #selector(onEnterFullscreen(_:)),
name: UIWindow.didBecomeVisibleNotification,
object: window)
// listen for videos stopping to play in fullscreen
NotificationCenter.default.addObserver(self,
selector: #selector(onExitFullscreen(_:)),
name: UIWindow.didBecomeHiddenNotification,
object: window)
if let options = options {
if options.transparentBackground {
isOpaque = false
backgroundColor = UIColor.clear
scrollView.backgroundColor = UIColor.clear
}
// prevent webView from bouncing
if options.disallowOverScroll {
if responds(to: #selector(getter: scrollView)) {
scrollView.bounces = false
}
else {
for subview: UIView in subviews {
if subview is UIScrollView {
(subview as! UIScrollView).bounces = false
}
}
}
}
if #available(iOS 11.0, *) {
accessibilityIgnoresInvertColors = options.accessibilityIgnoresInvertColors
scrollView.contentInsetAdjustmentBehavior =
UIScrollView.ContentInsetAdjustmentBehavior.init(rawValue: options.contentInsetAdjustmentBehavior)!
}
allowsBackForwardNavigationGestures = options.allowsBackForwardNavigationGestures
if #available(iOS 9.0, *) {
allowsLinkPreview = options.allowsLinkPreview
if !options.userAgent.isEmpty {
customUserAgent = options.userAgent
}
}
if #available(iOS 13.0, *) {
scrollView.automaticallyAdjustsScrollIndicatorInsets = options.automaticallyAdjustsScrollIndicatorInsets
}
scrollView.showsVerticalScrollIndicator = !options.disableVerticalScroll
scrollView.showsHorizontalScrollIndicator = !options.disableHorizontalScroll
scrollView.showsVerticalScrollIndicator = options.verticalScrollBarEnabled
scrollView.showsHorizontalScrollIndicator = options.horizontalScrollBarEnabled
scrollView.isScrollEnabled = !(options.disableVerticalScroll && options.disableHorizontalScroll)
scrollView.isDirectionalLockEnabled = options.isDirectionalLockEnabled
scrollView.decelerationRate = InAppWebView.getDecelerationRate(type: options.decelerationRate)
scrollView.alwaysBounceVertical = options.alwaysBounceVertical
scrollView.alwaysBounceHorizontal = options.alwaysBounceHorizontal
scrollView.scrollsToTop = options.scrollsToTop
scrollView.isPagingEnabled = options.isPagingEnabled
scrollView.maximumZoomScale = CGFloat(options.maximumZoomScale)
scrollView.minimumZoomScale = CGFloat(options.minimumZoomScale)
if #available(iOS 14.0, *) {
mediaType = options.mediaType
pageZoom = CGFloat(options.pageZoom)
}
// debugging is always enabled for iOS,
// there isn't any option to set about it such as on Android.
if options.clearCache {
clearCache()
}
}
prepareAndAddUserScripts()
if windowId != nil {
// the new created window webview has the same WKWebViewConfiguration variable reference
return
}
configuration.preferences = WKPreferences()
if let options = options {
if #available(iOS 9.0, *) {
configuration.allowsAirPlayForMediaPlayback = options.allowsAirPlayForMediaPlayback
configuration.allowsPictureInPictureMediaPlayback = options.allowsPictureInPictureMediaPlayback
if !options.applicationNameForUserAgent.isEmpty {
configuration.applicationNameForUserAgent = options.applicationNameForUserAgent
}
}
configuration.preferences.javaScriptCanOpenWindowsAutomatically = options.javaScriptCanOpenWindowsAutomatically
configuration.preferences.minimumFontSize = CGFloat(options.minimumFontSize)
if #available(iOS 13.0, *) {
configuration.preferences.isFraudulentWebsiteWarningEnabled = options.isFraudulentWebsiteWarningEnabled
configuration.defaultWebpagePreferences.preferredContentMode = WKWebpagePreferences.ContentMode(rawValue: options.preferredContentMode)!
}
configuration.preferences.javaScriptEnabled = options.javaScriptEnabled
if #available(iOS 14.0, *) {
configuration.defaultWebpagePreferences.allowsContentJavaScript = options.javaScriptEnabled
}
}
}
public func prepareAndAddUserScripts() -> Void {
addWindowIdUserScript()
if windowId != nil {
// the new created window webview has the same WKWebViewConfiguration variable reference
return
}
configuration.userContentController = WKUserContentController()
addPluginUserScripts()
addAllUserScripts()
}
func addWindowIdUserScript() -> Void {
let userScriptWindowId = WKUserScript(source: "window._flutter_inappwebview_windowId = \(windowId == nil ? "null" : String(windowId!));" , injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(userScriptWindowId)
}
func getAllPluginUserScriptMergedJS() -> String {
var allPluginUserScriptMergedJS = promisePolyfillJS + "\n" +
javaScriptBridgeJS + "\n" +
consoleLogJS + "\n" +
printJS + "\n"
if let options = options {
if options.useShouldInterceptAjaxRequest {
allPluginUserScriptMergedJS += interceptAjaxRequestsJS + "\n"
}
if options.useShouldInterceptFetchRequest {
allPluginUserScriptMergedJS += interceptFetchRequestsJS + "\n"
}
}
return allPluginUserScriptMergedJS
}
@available(iOS 14.0, *)
func addSharedPluginUserScriptsInContentWorld(contentWorldName: String) -> Void {
let contentWorld = getContentWorld(name: contentWorldName)
let promisePolyfillJSScript = WKUserScript(source: promisePolyfillJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(promisePolyfillJSScript)
let javaScriptBridgeJSScript = WKUserScript(source: javaScriptBridgeJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(javaScriptBridgeJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "callHandler", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "callHandler")
let consoleLogJSScript = WKUserScript(source: consoleLogJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(consoleLogJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "consoleLog", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "consoleLog")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleDebug", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "consoleDebug")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleError", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "consoleError")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleInfo", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "consoleInfo")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleWarn", contentWorld: contentWorld)
configuration.userContentController.add(self, contentWorld: contentWorld, name: "consoleWarn")
if let options = options {
if options.useShouldInterceptAjaxRequest {
let interceptAjaxRequestsJSScript = WKUserScript(source: interceptAjaxRequestsJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(interceptAjaxRequestsJSScript)
}
if options.useShouldInterceptFetchRequest {
let interceptFetchRequestsJSScript = WKUserScript(source: interceptFetchRequestsJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(interceptFetchRequestsJSScript)
}
}
let printJSScript = WKUserScript(source: printJS, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: contentWorld)
configuration.userContentController.addUserScript(printJSScript)
}
func addSharedPluginUserScriptsInContentWorlds() -> Void {
if #available(iOS 14.0, *) {
for contentWorldName in userScriptsContentWorlds {
addSharedPluginUserScriptsInContentWorld(contentWorldName: contentWorldName)
}
} else {
let promisePolyfillJSScript = WKUserScript(
source: promisePolyfillJS,
injectionTime: .atDocumentStart,
forMainFrameOnly: false)
configuration.userContentController.addUserScript(promisePolyfillJSScript)
let javaScriptBridgeJSScript = WKUserScript(
source: javaScriptBridgeJS,
injectionTime: .atDocumentStart,
forMainFrameOnly: false)
configuration.userContentController.addUserScript(javaScriptBridgeJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "callHandler")
configuration.userContentController.add(self, name: "callHandler")
let consoleLogJSScript = WKUserScript(
source: consoleLogJS,
injectionTime: .atDocumentStart,
forMainFrameOnly: false)
configuration.userContentController.addUserScript(consoleLogJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "consoleLog")
configuration.userContentController.add(self, name: "consoleLog")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleDebug")
configuration.userContentController.add(self, name: "consoleDebug")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleError")
configuration.userContentController.add(self, name: "consoleError")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleInfo")
configuration.userContentController.add(self, name: "consoleInfo")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleWarn")
configuration.userContentController.add(self, name: "consoleWarn")
if let options = options {
if options.useShouldInterceptAjaxRequest {
let interceptAjaxRequestsJSScript = WKUserScript(
source: interceptAjaxRequestsJS,
injectionTime: .atDocumentStart,
forMainFrameOnly: false)
configuration.userContentController.addUserScript(interceptAjaxRequestsJSScript)
}
if options.useShouldInterceptFetchRequest {
let interceptFetchRequestsJSScript = WKUserScript(
source: interceptFetchRequestsJS,
injectionTime: .atDocumentStart,
forMainFrameOnly: false)
configuration.userContentController.addUserScript(interceptFetchRequestsJSScript)
}
}
let printJSScript = WKUserScript(source: printJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(printJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "onCallAsyncJavaScriptResultBelowIOS14Received")
configuration.userContentController.add(self, name: "onCallAsyncJavaScriptResultBelowIOS14Received")
}
}
func addPluginUserScripts() -> Void {
addSharedPluginUserScriptsInContentWorlds()
let findElementsAtPointJSScript = WKUserScript(source: findElementsAtPointJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(findElementsAtPointJSScript)
let lastTouchedAnchorOrImageJSScript = WKUserScript(source: lastTouchedAnchorOrImageJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(lastTouchedAnchorOrImageJSScript)
let findTextHighlightJSScript = WKUserScript(source: findTextHighlightJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(findTextHighlightJSScript)
configuration.userContentController.removeScriptMessageHandler(forName: "onFindResultReceived")
configuration.userContentController.add(self, name: "onFindResultReceived")
let onWindowFocusEventJSScript = WKUserScript(source: onWindowFocusEventJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(onWindowFocusEventJSScript)
let onWindowBlurEventJSScript = WKUserScript(source: onWindowBlurEventJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(onWindowBlurEventJSScript)
if let options = options {
let originalViewPortMetaTagContentJSScript = WKUserScript(source: originalViewPortMetaTagContentJS, injectionTime: .atDocumentEnd, forMainFrameOnly: true)
configuration.userContentController.addUserScript(originalViewPortMetaTagContentJSScript)
if !options.supportZoom {
let jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no'); document.getElementsByTagName('head')[0].appendChild(meta);"
let userScript = WKUserScript(source: jscript, injectionTime: .atDocumentEnd, forMainFrameOnly: true)
configuration.userContentController.addUserScript(userScript)
} else if options.enableViewportScale {
let jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);"
let userScript = WKUserScript(source: jscript, injectionTime: .atDocumentEnd, forMainFrameOnly: true)
configuration.userContentController.addUserScript(userScript)
}
if options.useOnLoadResource {
let resourceObserverJSScript = WKUserScript(source: resourceObserverJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
configuration.userContentController.addUserScript(resourceObserverJSScript)
}
}
}
func addAllUserScripts() -> Void {
for userScript in userScripts {
configuration.userContentController.addUserScript(userScript)
}
}
public func addUserScript(wkUserScript: WKUserScript) -> Void {
userScripts.append(wkUserScript)
configuration.userContentController.addUserScript(wkUserScript)
}
public func appendUserScript(userScript: [String: Any]) -> Void {
var wkUserScript: WKUserScript?
let contentWorldName = userScript["contentWorld"] as? String
if contentWorldName != nil, !userScriptsContentWorlds.contains(contentWorldName!) {
userScriptsContentWorlds.append(contentWorldName!)
}
if #available(iOS 14.0, *), let contentWorldName = contentWorldName {
wkUserScript = WKUserScript(source: userScript["source"] as! String,
injectionTime: WKUserScriptInjectionTime.init(rawValue: userScript["injectionTime"] as! Int) ?? .atDocumentStart,
forMainFrameOnly: userScript["iosForMainFrameOnly"] as! Bool,
in: getContentWorld(name: contentWorldName))
} else {
wkUserScript = WKUserScript(source: userScript["source"] as! String,
injectionTime: WKUserScriptInjectionTime.init(rawValue: userScript["injectionTime"] as! Int) ?? .atDocumentStart,
forMainFrameOnly: userScript["iosForMainFrameOnly"] as! Bool)
}
userScripts.append(wkUserScript!)
}
public func appendUserScripts(wkUserScripts: [WKUserScript]) -> Void {
for wkUserScript in wkUserScripts {
userScripts.append(wkUserScript)
}
}
public func appendUserScripts(userScripts: [[String: Any]]) -> Void {
for userScript in userScripts {
appendUserScript(userScript: userScript)
}
}
public func removeUserScript(at index: Int) -> Void {
userScripts.remove(at: index)
// there isn't a way to remove a specific user script using WKUserContentController,
// so we remove all the user scripts and, then, we add them again without the one that has been removed
configuration.userContentController.removeAllUserScripts()
addWindowIdUserScript()
addPluginUserScripts()
addAllUserScripts()
}
public func removeAllUserScripts() -> Void {
userScripts.removeAll()
configuration.userContentController.removeAllUserScripts()
// add all the necessary base WKUserScripts of this plugin again
addWindowIdUserScript()
addPluginUserScripts()
}
@available(iOS 14.0, *)
func getContentWorld(name: String) -> WKContentWorld {
switch name {
case "defaultClient":
return WKContentWorld.defaultClient
case "page":
return WKContentWorld.page
default:
return WKContentWorld.world(name: name)
}
}
@available(iOS 10.0, *)
static public func getDataDetectorType(type: String) -> WKDataDetectorTypes {
switch type {
case "NONE":
return WKDataDetectorTypes.init(rawValue: 0)
case "PHONE_NUMBER":
return .phoneNumber
case "LINK":
return .link
case "ADDRESS":
return .address
case "CALENDAR_EVENT":
return .calendarEvent
case "TRACKING_NUMBER":
return .trackingNumber
case "FLIGHT_NUMBER":
return .flightNumber
case "LOOKUP_SUGGESTION":
return .lookupSuggestion
case "SPOTLIGHT_SUGGESTION":
return .spotlightSuggestion
case "ALL":
return .all
default:
return WKDataDetectorTypes.init(rawValue: 0)
}
}
@available(iOS 10.0, *)
static public func getDataDetectorTypeString(type: WKDataDetectorTypes) -> [String] {
var dataDetectorTypeString: [String] = []
if type.contains(.all) {
dataDetectorTypeString.append("ALL")
} else {
if type.contains(.phoneNumber) {
dataDetectorTypeString.append("PHONE_NUMBER")
}
if type.contains(.link) {
dataDetectorTypeString.append("LINK")
}
if type.contains(.address) {
dataDetectorTypeString.append("ADDRESS")
}
if type.contains(.calendarEvent) {
dataDetectorTypeString.append("CALENDAR_EVENT")
}
if type.contains(.trackingNumber) {
dataDetectorTypeString.append("TRACKING_NUMBER")
}
if type.contains(.flightNumber) {
dataDetectorTypeString.append("FLIGHT_NUMBER")
}
if type.contains(.lookupSuggestion) {
dataDetectorTypeString.append("LOOKUP_SUGGESTION")
}
if type.contains(.spotlightSuggestion) {
dataDetectorTypeString.append("SPOTLIGHT_SUGGESTION")
}
}
if dataDetectorTypeString.count == 0 {
dataDetectorTypeString = ["NONE"]
}
return dataDetectorTypeString
}
static public func getDecelerationRate(type: String) -> UIScrollView.DecelerationRate {
switch type {
case "NORMAL":
return .normal
case "FAST":
return .fast
default:
return .normal
}
}
static public func getDecelerationRateString(type: UIScrollView.DecelerationRate) -> String {
switch type {
case .normal:
return "NORMAL"
case .fast:
return "FAST"
default:
return "NORMAL"
}
}
public static func preWKWebViewConfiguration(options: InAppWebViewOptions?) -> WKWebViewConfiguration {
let configuration = WKWebViewConfiguration()
configuration.processPool = WKProcessPoolManager.sharedProcessPool
if let options = options {
configuration.allowsInlineMediaPlayback = options.allowsInlineMediaPlayback
configuration.suppressesIncrementalRendering = options.suppressesIncrementalRendering
configuration.selectionGranularity = WKSelectionGranularity.init(rawValue: options.selectionGranularity)!
if options.allowUniversalAccessFromFileURLs {
configuration.setValue(options.allowUniversalAccessFromFileURLs, forKey: "allowUniversalAccessFromFileURLs")
}
if options.allowFileAccessFromFileURLs {
configuration.preferences.setValue(options.allowFileAccessFromFileURLs, forKey: "allowFileAccessFromFileURLs")
}
if #available(iOS 9.0, *) {
if options.incognito {
configuration.websiteDataStore = WKWebsiteDataStore.nonPersistent()
} else if options.cacheEnabled {
configuration.websiteDataStore = WKWebsiteDataStore.default()
}
}
if #available(iOS 10.0, *) {
configuration.ignoresViewportScaleLimits = options.ignoresViewportScaleLimits
var dataDetectorTypes = WKDataDetectorTypes.init(rawValue: 0)
for type in options.dataDetectorTypes {
let dataDetectorType = InAppWebView.getDataDetectorType(type: type)
dataDetectorTypes = WKDataDetectorTypes(rawValue: dataDetectorTypes.rawValue | dataDetectorType.rawValue)
}
configuration.dataDetectorTypes = dataDetectorTypes
configuration.mediaTypesRequiringUserActionForPlayback = options.mediaPlaybackRequiresUserGesture ? .all : []
} else {
// Fallback on earlier versions
configuration.mediaPlaybackRequiresUserAction = options.mediaPlaybackRequiresUserGesture
}
if #available(iOS 11.0, *) {
for scheme in options.resourceCustomSchemes {
configuration.setURLSchemeHandler(CustomeSchemeHandler(), forURLScheme: scheme)
}
if options.sharedCookiesEnabled {
// More info to sending cookies with WKWebView
// https://stackoverflow.com/questions/26573137/can-i-set-the-cookies-to-be-used-by-a-wkwebview/26577303#26577303
// Set Cookies in iOS 11 and above, initialize websiteDataStore before setting cookies
// See also https://forums.developer.apple.com/thread/97194
// check if websiteDataStore has not been initialized before
if(!options.incognito && options.cacheEnabled) {
configuration.websiteDataStore = WKWebsiteDataStore.nonPersistent()
}
for cookie in HTTPCookieStorage.shared.cookies ?? [] {
configuration.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
}
}
if #available(iOS 14.0, *) {
configuration.limitsNavigationsToAppBoundDomains = options.limitsNavigationsToAppBoundDomains
}
}
return configuration
}
@objc func onCreateContextMenu() {
let mapSorted = SharedLastTouchPointTimestamp.sorted { $0.value > $1.value }
if (mapSorted.first?.key != self) {
return
}
contextMenuIsShowing = true
var arguments: [String: Any?] = [
"hitTestResult": nil
]
if let lastLongPressTouhLocation = lastLongPressTouchPoint {
if configuration.preferences.javaScriptEnabled {
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._findElementsAtPoint(\(lastLongPressTouhLocation.x),\(lastLongPressTouhLocation.y))", completionHandler: {(value, error) in
if error != nil {
print("Long press gesture recognizer error: \(error?.localizedDescription ?? "")")
} else {
let hitTestResult = value as! [String: Any?]
arguments["hitTestResult"] = hitTestResult
self.channel?.invokeMethod("onCreateContextMenu", arguments: arguments)
}
})
} else {
channel?.invokeMethod("onCreateContextMenu", arguments: arguments)
}
} else {
channel?.invokeMethod("onCreateContextMenu", arguments: arguments)
}
}
@objc func onHideContextMenu() {
if contextMenuIsShowing == false {
return
}
contextMenuIsShowing = false
let arguments: [String: Any] = [:]
channel?.invokeMethod("onHideContextMenu", arguments: arguments)
}
override public func observeValue(forKeyPath keyPath: String?, of object: Any?,
change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
if keyPath == #keyPath(WKWebView.estimatedProgress) {
let progress = Int(estimatedProgress * 100)
onProgressChanged(progress: progress)
} else if keyPath == #keyPath(WKWebView.url) && change?[NSKeyValueChangeKey.newKey] is URL {
let newUrl = change?[NSKeyValueChangeKey.newKey] as? URL
onUpdateVisitedHistory(url: newUrl?.absoluteString)
} else if keyPath == #keyPath(WKWebView.title) && change?[NSKeyValueChangeKey.newKey] is String {
let newTitle = change?[NSKeyValueChangeKey.newKey] as? String
onTitleChanged(title: newTitle)
}
replaceGestureHandlerIfNeeded()
}
public func goBackOrForward(steps: Int) {
if canGoBackOrForward(steps: steps) {
if (steps > 0) {
let index = steps - 1
go(to: self.backForwardList.forwardList[index])
}
else if (steps < 0){
let backListLength = self.backForwardList.backList.count
let index = backListLength + steps
go(to: self.backForwardList.backList[index])
}
}
}
public func canGoBackOrForward(steps: Int) -> Bool {
let currentIndex = self.backForwardList.backList.count
return (steps >= 0)
? steps <= self.backForwardList.forwardList.count
: currentIndex + steps >= 0
}
@available(iOS 11.0, *)
public func takeScreenshot (with: [String: Any?]?, completionHandler: @escaping (_ screenshot: Data?) -> Void) {
var snapshotConfiguration: WKSnapshotConfiguration? = nil
if let with = with {
snapshotConfiguration = WKSnapshotConfiguration()
if let rect = with["rect"] as? [String: Double] {
snapshotConfiguration!.rect = CGRect(x: rect["x"]!, y: rect["y"]!, width: rect["width"]!, height: rect["height"]!)
}
if let snapshotWidth = with["snapshotWidth"] as? Double {
snapshotConfiguration!.snapshotWidth = NSNumber(value: snapshotWidth)
}
if #available(iOS 13.0, *), let afterScreenUpdates = with["iosAfterScreenUpdates"] as? Bool {
snapshotConfiguration!.afterScreenUpdates = afterScreenUpdates
}
}
takeSnapshot(with: snapshotConfiguration, completionHandler: {(image, error) -> Void in
var imageData: Data? = nil
if let screenshot = image {
if let with = with {
switch with["compressFormat"] as! String {
case "JPEG":
let quality = Float(with["quality"] as! Int) / 100
imageData = screenshot.jpegData(compressionQuality: CGFloat(quality))!
break
case "PNG":
imageData = screenshot.pngData()!
break
default:
imageData = screenshot.pngData()!
}
}
else {
imageData = screenshot.pngData()!
}
}
completionHandler(imageData)
})
}
@available(iOS 14.0, *)
public func createPdf (configuration: [String: Any?]?, completionHandler: @escaping (_ pdf: Data?) -> Void) {
let pdfConfiguration: WKPDFConfiguration = .init()
if let configuration = configuration {
if let rect = configuration["rect"] as? [String: Double] {
pdfConfiguration.rect = CGRect(x: rect["x"]!, y: rect["y"]!, width: rect["width"]!, height: rect["height"]!)
}
}
createPDF(configuration: pdfConfiguration) { (result) in
switch (result) {
case .success(let data):
completionHandler(data)
return
case .failure(let error):
print(error.localizedDescription)
completionHandler(nil)
return
}
}
}
@available(iOS 14.0, *)
public func createWebArchiveData (dataCompletionHandler: @escaping (_ webArchiveData: Data?) -> Void) {
createWebArchiveData(completionHandler: { (result) in
switch (result) {
case .success(let data):
dataCompletionHandler(data)
return
case .failure(let error):
print(error.localizedDescription)
dataCompletionHandler(nil)
return
}
})
}
@available(iOS 14.0, *)
public func saveWebArchive (filePath: String, autoname: Bool, completionHandler: @escaping (_ path: String?) -> Void) {
createWebArchiveData(dataCompletionHandler: { (webArchiveData) in
if let webArchiveData = webArchiveData {
var localUrl = URL(fileURLWithPath: filePath)
if autoname {
if let url = self.url {
// tries to mimic Android saveWebArchive method
let invalidCharacters = CharacterSet(charactersIn: "\\/:*?\"<>|")
.union(.newlines)
.union(.illegalCharacters)
.union(.controlCharacters)
let currentPageUrlFileName = url.path
.components(separatedBy: invalidCharacters)
.joined(separator: "")
let fullPath = filePath + "/" + currentPageUrlFileName + ".webarchive"
localUrl = URL(fileURLWithPath: fullPath)
} else {
completionHandler(nil)
return
}
}
do {
try webArchiveData.write(to: localUrl)
completionHandler(localUrl.path)
} catch {
// Catch any errors
print(error.localizedDescription)
completionHandler(nil)
}
} else {
completionHandler(nil)
}
})
}
public func loadUrl(url: URL, headers: [String: String]?) {
var request = URLRequest(url: url)
currentURL = url
if headers != nil {
if let mutableRequest = (request as NSURLRequest).mutableCopy() as? NSMutableURLRequest {
for (key, value) in headers! {
mutableRequest.setValue(value, forHTTPHeaderField: key)
}
request = mutableRequest as URLRequest
}
}
load(request)
}
public func postUrl(url: URL, postData: Data, completionHandler: @escaping () -> Void) {
var request = URLRequest(url: url)
currentURL = url
request.httpMethod = "POST"
request.httpBody = postData
let task = URLSession.shared.dataTask(with: request) { (data : Data?, response : URLResponse?, error : Error?) in
var returnString = ""
if data != nil {
returnString = String(data: data!, encoding: .utf8) ?? ""
}
DispatchQueue.main.async(execute: {() -> Void in
self.loadHTMLString(returnString, baseURL: url)
completionHandler()
})
}
task.resume()
}
public func loadData(data: String, mimeType: String, encoding: String, baseUrl: String) {
let url = URL(string: baseUrl)!
currentURL = url
if #available(iOS 9.0, *) {
load(data.data(using: .utf8)!, mimeType: mimeType, characterEncodingName: encoding, baseURL: url)
} else {
loadHTMLString(data, baseURL: url)
}
}
public func loadFile(url: String, headers: [String: String]?) throws {
let key = SwiftFlutterPlugin.instance!.registrar!.lookupKey(forAsset: url)
let assetURL = Bundle.main.url(forResource: key, withExtension: nil)
if assetURL == nil {
throw NSError(domain: url + " asset file cannot be found!", code: 0)
}
loadUrl(url: assetURL!, headers: headers)
}
func setOptions(newOptions: InAppWebViewOptions, newOptionsMap: [String: Any]) {
if newOptionsMap["transparentBackground"] != nil && options?.transparentBackground != newOptions.transparentBackground {
if newOptions.transparentBackground {
isOpaque = false
backgroundColor = UIColor.clear
scrollView.backgroundColor = UIColor.clear
} else {
isOpaque = true
backgroundColor = nil
scrollView.backgroundColor = UIColor(red: 1, green: 1, blue: 1, alpha: 1)
}
}
if newOptionsMap["disallowOverScroll"] != nil && options?.disallowOverScroll != newOptions.disallowOverScroll {
if responds(to: #selector(getter: scrollView)) {
scrollView.bounces = !newOptions.disallowOverScroll
}
else {
for subview: UIView in subviews {
if subview is UIScrollView {
(subview as! UIScrollView).bounces = !newOptions.disallowOverScroll
}
}
}
}
if #available(iOS 9.0, *) {
if (newOptionsMap["incognito"] != nil && options?.incognito != newOptions.incognito && newOptions.incognito) {
configuration.websiteDataStore = WKWebsiteDataStore.nonPersistent()
} else if (newOptionsMap["cacheEnabled"] != nil && options?.cacheEnabled != newOptions.cacheEnabled && newOptions.cacheEnabled) {
configuration.websiteDataStore = WKWebsiteDataStore.default()
}
}
if #available(iOS 11.0, *) {
if (newOptionsMap["sharedCookiesEnabled"] != nil && options?.sharedCookiesEnabled != newOptions.sharedCookiesEnabled && newOptions.sharedCookiesEnabled) {
if(!newOptions.incognito && !newOptions.cacheEnabled) {
configuration.websiteDataStore = WKWebsiteDataStore.nonPersistent()
}
for cookie in HTTPCookieStorage.shared.cookies ?? [] {
configuration.websiteDataStore.httpCookieStore.setCookie(cookie, completionHandler: nil)
}
}
if newOptionsMap["accessibilityIgnoresInvertColors"] != nil && options?.accessibilityIgnoresInvertColors != newOptions.accessibilityIgnoresInvertColors {
accessibilityIgnoresInvertColors = newOptions.accessibilityIgnoresInvertColors
}
if newOptionsMap["contentInsetAdjustmentBehavior"] != nil && options?.contentInsetAdjustmentBehavior != newOptions.contentInsetAdjustmentBehavior {
scrollView.contentInsetAdjustmentBehavior =
UIScrollView.ContentInsetAdjustmentBehavior.init(rawValue: newOptions.contentInsetAdjustmentBehavior)!
}
}
if newOptionsMap["enableViewportScale"] != nil && options?.enableViewportScale != newOptions.enableViewportScale {
var jscript = ""
if (newOptions.enableViewportScale) {
jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);"
} else {
jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', window.\(JAVASCRIPT_BRIDGE_NAME)._originalViewPortMetaTagContent); document.getElementsByTagName('head')[0].appendChild(meta);"
}
evaluateJavaScript(jscript, completionHandler: nil)
}
if newOptionsMap["supportZoom"] != nil && options?.supportZoom != newOptions.supportZoom {
var jscript = ""
if (newOptions.supportZoom) {
jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', window.\(JAVASCRIPT_BRIDGE_NAME)._originalViewPortMetaTagContent); document.getElementsByTagName('head')[0].appendChild(meta);"
} else {
jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no'); document.getElementsByTagName('head')[0].appendChild(meta);"
}
evaluateJavaScript(jscript, completionHandler: nil)
}
if newOptionsMap["useOnLoadResource"] != nil && options?.useOnLoadResource != newOptions.useOnLoadResource && newOptions.useOnLoadResource {
let placeholderValue = newOptions.useOnLoadResource ? "true" : "false"
let source = enableVariableForOnLoadResourceJS.replacingOccurrences(of: "$PLACEHOLDER_VALUE", with: placeholderValue)
evaluateJavaScript(source, completionHandler: nil)
}
if newOptionsMap["useShouldInterceptAjaxRequest"] != nil && options?.useShouldInterceptAjaxRequest != newOptions.useShouldInterceptAjaxRequest && newOptions.useShouldInterceptAjaxRequest {
let placeholderValue = newOptions.useShouldInterceptAjaxRequest ? "true" : "false"
let source = enableVariableForShouldInterceptAjaxRequestJS.replacingOccurrences(of: "$PLACEHOLDER_VALUE", with: placeholderValue)
if #available(iOS 14.0, *) {
for contentWorldName in userScriptsContentWorlds {
let contentWorld = getContentWorld(name: contentWorldName)
evaluateJavaScript(source, in: nil, in: contentWorld, completionHandler: nil)
}
} else {
evaluateJavaScript(source, completionHandler: nil)
}
}
if newOptionsMap["useShouldInterceptFetchRequest"] != nil && options?.useShouldInterceptFetchRequest != newOptions.useShouldInterceptFetchRequest && newOptions.useShouldInterceptFetchRequest {
let placeholderValue = newOptions.useShouldInterceptFetchRequest ? "true" : "false"
let source = enableVariableForShouldInterceptAjaxRequestJS.replacingOccurrences(of: "$PLACEHOLDER_VALUE", with: placeholderValue)
if #available(iOS 14.0, *) {
for contentWorldName in userScriptsContentWorlds {
let contentWorld = getContentWorld(name: contentWorldName)
evaluateJavaScript(source, in: nil, in: contentWorld, completionHandler: nil)
}
} else {
evaluateJavaScript(source, completionHandler: nil)
}
}
if newOptionsMap["mediaPlaybackRequiresUserGesture"] != nil && options?.mediaPlaybackRequiresUserGesture != newOptions.mediaPlaybackRequiresUserGesture {
if #available(iOS 10.0, *) {
configuration.mediaTypesRequiringUserActionForPlayback = (newOptions.mediaPlaybackRequiresUserGesture) ? .all : []
} else {
// Fallback on earlier versions
configuration.mediaPlaybackRequiresUserAction = newOptions.mediaPlaybackRequiresUserGesture
}
}
if newOptionsMap["allowsInlineMediaPlayback"] != nil && options?.allowsInlineMediaPlayback != newOptions.allowsInlineMediaPlayback {
configuration.allowsInlineMediaPlayback = newOptions.allowsInlineMediaPlayback
}
if newOptionsMap["suppressesIncrementalRendering"] != nil && options?.suppressesIncrementalRendering != newOptions.suppressesIncrementalRendering {
configuration.suppressesIncrementalRendering = newOptions.suppressesIncrementalRendering
}
if newOptionsMap["allowsBackForwardNavigationGestures"] != nil && options?.allowsBackForwardNavigationGestures != newOptions.allowsBackForwardNavigationGestures {
allowsBackForwardNavigationGestures = newOptions.allowsBackForwardNavigationGestures
}
if newOptionsMap["javaScriptCanOpenWindowsAutomatically"] != nil && options?.javaScriptCanOpenWindowsAutomatically != newOptions.javaScriptCanOpenWindowsAutomatically {
configuration.preferences.javaScriptCanOpenWindowsAutomatically = newOptions.javaScriptCanOpenWindowsAutomatically
}
if newOptionsMap["minimumFontSize"] != nil && options?.minimumFontSize != newOptions.minimumFontSize {
configuration.preferences.minimumFontSize = CGFloat(newOptions.minimumFontSize)
}
if newOptionsMap["selectionGranularity"] != nil && options?.selectionGranularity != newOptions.selectionGranularity {
configuration.selectionGranularity = WKSelectionGranularity.init(rawValue: newOptions.selectionGranularity)!
}
if #available(iOS 10.0, *) {
if newOptionsMap["ignoresViewportScaleLimits"] != nil && options?.ignoresViewportScaleLimits != newOptions.ignoresViewportScaleLimits {
configuration.ignoresViewportScaleLimits = newOptions.ignoresViewportScaleLimits
}
if newOptionsMap["dataDetectorTypes"] != nil && options?.dataDetectorTypes != newOptions.dataDetectorTypes {
var dataDetectorTypes = WKDataDetectorTypes.init(rawValue: 0)
for type in newOptions.dataDetectorTypes {
let dataDetectorType = InAppWebView.getDataDetectorType(type: type)
dataDetectorTypes = WKDataDetectorTypes(rawValue: dataDetectorTypes.rawValue | dataDetectorType.rawValue)
}
configuration.dataDetectorTypes = dataDetectorTypes
}
}
if #available(iOS 13.0, *) {
if newOptionsMap["isFraudulentWebsiteWarningEnabled"] != nil && options?.isFraudulentWebsiteWarningEnabled != newOptions.isFraudulentWebsiteWarningEnabled {
configuration.preferences.isFraudulentWebsiteWarningEnabled = newOptions.isFraudulentWebsiteWarningEnabled
}
if newOptionsMap["preferredContentMode"] != nil && options?.preferredContentMode != newOptions.preferredContentMode {
configuration.defaultWebpagePreferences.preferredContentMode = WKWebpagePreferences.ContentMode(rawValue: newOptions.preferredContentMode)!
}
if newOptionsMap["automaticallyAdjustsScrollIndicatorInsets"] != nil && options?.automaticallyAdjustsScrollIndicatorInsets != newOptions.automaticallyAdjustsScrollIndicatorInsets {
scrollView.automaticallyAdjustsScrollIndicatorInsets = newOptions.automaticallyAdjustsScrollIndicatorInsets
}
}
if newOptionsMap["disableVerticalScroll"] != nil && options?.disableVerticalScroll != newOptions.disableVerticalScroll {
scrollView.showsVerticalScrollIndicator = !newOptions.disableVerticalScroll
}
if newOptionsMap["disableHorizontalScroll"] != nil && options?.disableHorizontalScroll != newOptions.disableHorizontalScroll {
scrollView.showsHorizontalScrollIndicator = !newOptions.disableHorizontalScroll
}
if newOptionsMap["verticalScrollBarEnabled"] != nil && options?.verticalScrollBarEnabled != newOptions.verticalScrollBarEnabled {
scrollView.showsVerticalScrollIndicator = newOptions.verticalScrollBarEnabled
}
if newOptionsMap["horizontalScrollBarEnabled"] != nil && options?.horizontalScrollBarEnabled != newOptions.horizontalScrollBarEnabled {
scrollView.showsHorizontalScrollIndicator = newOptions.horizontalScrollBarEnabled
}
if newOptionsMap["isDirectionalLockEnabled"] != nil && options?.isDirectionalLockEnabled != newOptions.isDirectionalLockEnabled {
scrollView.isDirectionalLockEnabled = newOptions.isDirectionalLockEnabled
}
if newOptionsMap["decelerationRate"] != nil && options?.decelerationRate != newOptions.decelerationRate {
scrollView.decelerationRate = InAppWebView.getDecelerationRate(type: newOptions.decelerationRate)
}
if newOptionsMap["alwaysBounceVertical"] != nil && options?.alwaysBounceVertical != newOptions.alwaysBounceVertical {
scrollView.alwaysBounceVertical = newOptions.alwaysBounceVertical
}
if newOptionsMap["alwaysBounceHorizontal"] != nil && options?.alwaysBounceHorizontal != newOptions.alwaysBounceHorizontal {
scrollView.alwaysBounceHorizontal = newOptions.alwaysBounceHorizontal
}
if newOptionsMap["scrollsToTop"] != nil && options?.scrollsToTop != newOptions.scrollsToTop {
scrollView.scrollsToTop = newOptions.scrollsToTop
}
if newOptionsMap["isPagingEnabled"] != nil && options?.isPagingEnabled != newOptions.isPagingEnabled {
scrollView.scrollsToTop = newOptions.isPagingEnabled
}
if newOptionsMap["maximumZoomScale"] != nil && options?.maximumZoomScale != newOptions.maximumZoomScale {
scrollView.maximumZoomScale = CGFloat(newOptions.maximumZoomScale)
}
if newOptionsMap["minimumZoomScale"] != nil && options?.minimumZoomScale != newOptions.minimumZoomScale {
scrollView.minimumZoomScale = CGFloat(newOptions.minimumZoomScale)
}
if #available(iOS 9.0, *) {
if newOptionsMap["allowsLinkPreview"] != nil && options?.allowsLinkPreview != newOptions.allowsLinkPreview {
allowsLinkPreview = newOptions.allowsLinkPreview
}
if newOptionsMap["allowsAirPlayForMediaPlayback"] != nil && options?.allowsAirPlayForMediaPlayback != newOptions.allowsAirPlayForMediaPlayback {
configuration.allowsAirPlayForMediaPlayback = newOptions.allowsAirPlayForMediaPlayback
}
if newOptionsMap["allowsPictureInPictureMediaPlayback"] != nil && options?.allowsPictureInPictureMediaPlayback != newOptions.allowsPictureInPictureMediaPlayback {
configuration.allowsPictureInPictureMediaPlayback = newOptions.allowsPictureInPictureMediaPlayback
}
if newOptionsMap["applicationNameForUserAgent"] != nil && options?.applicationNameForUserAgent != newOptions.applicationNameForUserAgent && newOptions.applicationNameForUserAgent != "" {
configuration.applicationNameForUserAgent = newOptions.applicationNameForUserAgent
}
if newOptionsMap["userAgent"] != nil && options?.userAgent != newOptions.userAgent && newOptions.userAgent != "" {
customUserAgent = newOptions.userAgent
}
}
if newOptionsMap["allowUniversalAccessFromFileURLs"] != nil && options?.allowUniversalAccessFromFileURLs != newOptions.allowUniversalAccessFromFileURLs {
configuration.setValue(newOptions.allowUniversalAccessFromFileURLs, forKey: "allowUniversalAccessFromFileURLs")
}
if newOptionsMap["allowFileAccessFromFileURLs"] != nil && options?.allowFileAccessFromFileURLs != newOptions.allowFileAccessFromFileURLs {
configuration.preferences.setValue(newOptions.allowFileAccessFromFileURLs, forKey: "allowFileAccessFromFileURLs")
}
if newOptionsMap["clearCache"] != nil && newOptions.clearCache {
clearCache()
}
if newOptionsMap["javaScriptEnabled"] != nil && options?.javaScriptEnabled != newOptions.javaScriptEnabled {
configuration.preferences.javaScriptEnabled = newOptions.javaScriptEnabled
}
if #available(iOS 14.0, *) {
if options?.mediaType != newOptions.mediaType {
mediaType = newOptions.mediaType
}
if newOptionsMap["pageZoom"] != nil && options?.pageZoom != newOptions.pageZoom {
pageZoom = CGFloat(newOptions.pageZoom)
}
if newOptionsMap["limitsNavigationsToAppBoundDomains"] != nil && options?.limitsNavigationsToAppBoundDomains != newOptions.limitsNavigationsToAppBoundDomains {
configuration.limitsNavigationsToAppBoundDomains = newOptions.limitsNavigationsToAppBoundDomains
}
if newOptionsMap["javaScriptEnabled"] != nil && options?.javaScriptEnabled != newOptions.javaScriptEnabled {
configuration.defaultWebpagePreferences.allowsContentJavaScript = newOptions.javaScriptEnabled
}
}
if #available(iOS 11.0, *), newOptionsMap["contentBlockers"] != nil {
configuration.userContentController.removeAllContentRuleLists()
let contentBlockers = newOptions.contentBlockers
if contentBlockers.count > 0 {
do {
let jsonData = try JSONSerialization.data(withJSONObject: contentBlockers, options: [])
let blockRules = String(data: jsonData, encoding: String.Encoding.utf8)
WKContentRuleListStore.default().compileContentRuleList(
forIdentifier: "ContentBlockingRules",
encodedContentRuleList: blockRules) { (contentRuleList, error) in
if let error = error {
print(error.localizedDescription)
return
}
self.configuration.userContentController.add(contentRuleList!)
}
} catch {
print(error.localizedDescription)
}
}
}
scrollView.isScrollEnabled = !(newOptions.disableVerticalScroll && newOptions.disableHorizontalScroll)
self.options = newOptions
}
func getOptions() -> [String: Any?]? {
if (self.options == nil) {
return nil
}
return self.options!.getRealOptions(obj: self)
}
public func clearCache() {
if #available(iOS 9.0, *) {
//let websiteDataTypes = NSSet(array: [WKWebsiteDataTypeDiskCache, WKWebsiteDataTypeMemoryCache])
let date = NSDate(timeIntervalSince1970: 0)
WKWebsiteDataStore.default().removeData(ofTypes: WKWebsiteDataStore.allWebsiteDataTypes(), modifiedSince: date as Date, completionHandler:{ })
} else {
var libraryPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.libraryDirectory, FileManager.SearchPathDomainMask.userDomainMask, false).first!
libraryPath += "/Cookies"
do {
try FileManager.default.removeItem(atPath: libraryPath)
} catch {
print("can't clear cache")
}
URLCache.shared.removeAllCachedResponses()
}
}
public func injectDeferredObject(source: String, contentWorldName: String?, withWrapper jsWrapper: String?, result: FlutterResult?) {
var jsToInject = source
if let wrapper = jsWrapper {
let jsonData: Data? = try? JSONSerialization.data(withJSONObject: [source], options: [])
let sourceArrayString = String(data: jsonData!, encoding: String.Encoding.utf8)
let sourceString: String? = (sourceArrayString! as NSString).substring(with: NSRange(location: 1, length: (sourceArrayString?.count ?? 0) - 2))
jsToInject = String(format: wrapper, sourceString!)
}
if #available(iOS 14.0, *), let contentWorldName = contentWorldName {
if !userScriptsContentWorlds.contains(contentWorldName) {
userScriptsContentWorlds.append(contentWorldName)
addSharedPluginUserScriptsInContentWorld(contentWorldName: contentWorldName)
// Add only the first time all the plugin user scripts needed.
// In the next page load, it will use the WKUserScripts loaded
jsToInject = getAllPluginUserScriptMergedJS() + "\n" + jsToInject
}
let contentWorld = getContentWorld(name: contentWorldName)
evaluateJavaScript(jsToInject, in: nil, in: contentWorld) { (evalResult) in
guard let result = result else {
return
}
switch (evalResult) {
case .success(let value):
result(value)
return
case .failure(let error):
let userInfo = (error as NSError).userInfo
self.onConsoleMessage(message: userInfo["WKJavaScriptExceptionMessage"] as? String ?? "", messageLevel: 3)
break
}
result(nil)
}
} else {
evaluateJavaScript(jsToInject) { (value, error) in
guard let result = result else {
return
}
if error != nil {
let userInfo = (error! as NSError).userInfo
self.onConsoleMessage(message: userInfo["WKJavaScriptExceptionMessage"] as? String ?? "", messageLevel: 3)
}
if value == nil {
result(nil)
return
}
result(value)
}
}
}
public func evaluateJavascript(source: String, contentWorldName: String?, result: @escaping FlutterResult) {
injectDeferredObject(source: source, contentWorldName: contentWorldName, withWrapper: nil, result: result)
}
@available(iOS 10.3, *)
public func callAsyncJavaScript(functionBody: String, arguments: [String:Any], contentWorldName: String?, result: @escaping FlutterResult) {
var jsToInject = functionBody
if #available(iOS 14.0, *) {
var contentWorld = WKContentWorld.page
if let contentWorldName = contentWorldName {
contentWorld = getContentWorld(name: contentWorldName)
if !userScriptsContentWorlds.contains(contentWorldName) {
userScriptsContentWorlds.append(contentWorldName)
addSharedPluginUserScriptsInContentWorld(contentWorldName: contentWorldName)
// Add only the first time all the plugin user scripts needed.
// In the next page load, it will use the WKUserScripts loaded
jsToInject = getAllPluginUserScriptMergedJS() + "\n" + jsToInject
}
}
callAsyncJavaScript(jsToInject, arguments: arguments, in: nil, in: contentWorld) { (evalResult) in
var body: [String: Any?] = [
"value": nil,
"error": nil
]
switch (evalResult) {
case .success(let value):
body["value"] = value
break
case .failure(let error):
body["error"] = error
break
}
result(body)
}
} else {
let resultUuid = NSUUID().uuidString
callAsyncJavaScriptBelowIOS14Results[resultUuid] = result
var functionArgumentNamesList: [String] = []
var functionArgumentValuesList: [String] = []
let keys = arguments.keys
keys.forEach { (key) in
functionArgumentNamesList.append(key)
functionArgumentValuesList.append("obj.\(key)")
}
let functionArgumentNames = functionArgumentNamesList.joined(separator: ", ")
let functionArgumentValues = functionArgumentValuesList.joined(separator: ", ")
jsToInject = callAsyncJavaScriptBelowIOS14WrapperJS
.replacingOccurrences(of: "$FUNCTION_ARGUMENT_NAMES", with: functionArgumentNames)
.replacingOccurrences(of: "$FUNCTION_ARGUMENT_VALUES", with: functionArgumentValues)
.replacingOccurrences(of: "$FUNCTION_ARGUMENTS_OBJ", with: JSONStringify(value: arguments))
.replacingOccurrences(of: "$FUNCTION_BODY", with: jsToInject)
.replacingOccurrences(of: "$RESULT_UUID", with: resultUuid)
evaluateJavaScript(jsToInject) { (value, error) in
if error != nil {
let userInfo = (error! as NSError).userInfo
self.onConsoleMessage(message:
userInfo["WKJavaScriptExceptionMessage"] as? String ??
userInfo["NSLocalizedDescription"] as? String ??
"",
messageLevel: 3)
result(nil)
self.callAsyncJavaScriptBelowIOS14Results.removeValue(forKey: resultUuid)
}
}
}
}
public func injectJavascriptFileFromUrl(urlFile: String, scriptHtmlTagAttributes: [String:Any?]?) {
var scriptAttributes = ""
if let scriptHtmlTagAttributes = scriptHtmlTagAttributes {
if let typeAttr = scriptHtmlTagAttributes["type"] as? String {
scriptAttributes += " script.type = '\(typeAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let idAttr = scriptHtmlTagAttributes["id"] as? String {
scriptAttributes += " script.id = '\(idAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let asyncAttr = scriptHtmlTagAttributes["async"] as? Bool, asyncAttr {
scriptAttributes += " script.async = true; "
}
if let deferAttr = scriptHtmlTagAttributes["defer"] as? Bool, deferAttr {
scriptAttributes += " script.defer = true; "
}
if let crossOriginAttr = scriptHtmlTagAttributes["crossOrigin"] as? String {
scriptAttributes += " script.crossOrigin = '\(crossOriginAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let integrityAttr = scriptHtmlTagAttributes["integrity"] as? String {
scriptAttributes += " script.integrity = '\(integrityAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let noModuleAttr = scriptHtmlTagAttributes["noModule"] as? Bool, noModuleAttr {
scriptAttributes += " script.noModule = true; "
}
if let nonceAttr = scriptHtmlTagAttributes["nonce"] as? String {
scriptAttributes += " script.nonce = '\(nonceAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let referrerPolicyAttr = scriptHtmlTagAttributes["referrerPolicy"] as? String {
scriptAttributes += " script.referrerPolicy = '\(referrerPolicyAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
}
let jsWrapper = "(function(d) { var script = d.createElement('script'); \(scriptAttributes) script.src = %@; d.body.appendChild(script); })(document);"
injectDeferredObject(source: urlFile, contentWorldName: nil, withWrapper: jsWrapper, result: nil)
}
public func injectCSSCode(source: String) {
let jsWrapper = "(function(d) { var style = d.createElement('style'); style.innerHTML = %@; d.body.appendChild(style); })(document);"
injectDeferredObject(source: source, contentWorldName: nil, withWrapper: jsWrapper, result: nil)
}
public func injectCSSFileFromUrl(urlFile: String, cssLinkHtmlTagAttributes: [String:Any?]?) {
var cssLinkAttributes = ""
var alternateStylesheet = ""
if let cssLinkHtmlTagAttributes = cssLinkHtmlTagAttributes {
if let idAttr = cssLinkHtmlTagAttributes["id"] as? String {
cssLinkAttributes += " link.id = '\(idAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let mediaAttr = cssLinkHtmlTagAttributes["media"] as? String {
cssLinkAttributes += " link.media = '\(mediaAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let crossOriginAttr = cssLinkHtmlTagAttributes["crossOrigin"] as? String {
cssLinkAttributes += " link.crossOrigin = '\(crossOriginAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let integrityAttr = cssLinkHtmlTagAttributes["integrity"] as? String {
cssLinkAttributes += " link.integrity = '\(integrityAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let referrerPolicyAttr = cssLinkHtmlTagAttributes["referrerPolicy"] as? String {
cssLinkAttributes += " link.referrerPolicy = '\(referrerPolicyAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
if let disabledAttr = cssLinkHtmlTagAttributes["disabled"] as? Bool, disabledAttr {
cssLinkAttributes += " link.disabled = true; "
}
if let alternateAttr = cssLinkHtmlTagAttributes["alternate"] as? Bool, alternateAttr {
alternateStylesheet = "alternate "
}
if let titleAttr = cssLinkHtmlTagAttributes["title"] as? String {
cssLinkAttributes += " link.title = '\(titleAttr.replacingOccurrences(of: "\'", with: "\\'"))'; "
}
}
let jsWrapper = "(function(d) { var link = d.createElement('link'); link.rel='\(alternateStylesheet)stylesheet', link.type='text/css'; \(cssLinkAttributes) link.href = %@; d.body.appendChild(link); })(document);"
injectDeferredObject(source: urlFile, contentWorldName: nil, withWrapper: jsWrapper, result: nil)
}
public func getCopyBackForwardList() -> [String: Any] {
let currentList = backForwardList
let currentIndex = currentList.backList.count
var completeList = currentList.backList
if currentList.currentItem != nil {
completeList.append(currentList.currentItem!)
}
completeList.append(contentsOf: currentList.forwardList)
var history: [[String: String]] = []
for historyItem in completeList {
var historyItemMap: [String: String] = [:]
historyItemMap["originalUrl"] = historyItem.initialURL.absoluteString
historyItemMap["title"] = historyItem.title
historyItemMap["url"] = historyItem.url.absoluteString
history.append(historyItemMap)
}
var result: [String: Any] = [:]
result["history"] = history
result["currentIndex"] = currentIndex
return result;
}
@available(iOS 13.0, *)
public func webView(_ webView: WKWebView,
decidePolicyFor navigationAction: WKNavigationAction,
preferences: WKWebpagePreferences,
decisionHandler: @escaping (WKNavigationActionPolicy, WKWebpagePreferences) -> Void) {
self.webView(webView, decidePolicyFor: navigationAction, decisionHandler: {(navigationActionPolicy) -> Void in
decisionHandler(navigationActionPolicy, preferences)
})
}
public func webView(_ webView: WKWebView,
decidePolicyFor navigationAction: WKNavigationAction,
decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
if navigationAction.request.url != nil {
if activateShouldOverrideUrlLoading, let useShouldOverrideUrlLoading = options?.useShouldOverrideUrlLoading, useShouldOverrideUrlLoading {
shouldOverrideUrlLoading(navigationAction: navigationAction, result: { (result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
decisionHandler(.allow)
return
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
self.updateUrlTextFieldForIABController(navigationAction: navigationAction)
decisionHandler(.allow)
return
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 1:
self.updateUrlTextFieldForIABController(navigationAction: navigationAction)
decisionHandler(.allow)
break
default:
decisionHandler(.cancel)
}
return;
}
self.updateUrlTextFieldForIABController(navigationAction: navigationAction)
decisionHandler(.allow)
}
})
return
}
updateUrlTextFieldForIABController(navigationAction: navigationAction)
}
if !activateShouldOverrideUrlLoading {
activateShouldOverrideUrlLoading = true
}
decisionHandler(.allow)
}
public func updateUrlTextFieldForIABController(navigationAction: WKNavigationAction) {
if navigationAction.navigationType == .linkActivated || navigationAction.navigationType == .backForward {
currentURL = url
if IABController != nil {
IABController!.updateUrlTextField(url: currentURL?.absoluteString ?? "")
}
}
}
public func webView(_ webView: WKWebView,
decidePolicyFor navigationResponse: WKNavigationResponse,
decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
if navigationResponse.isForMainFrame, let response = navigationResponse.response as? HTTPURLResponse {
if response.statusCode >= 400 {
onLoadHttpError(url: response.url?.absoluteString, statusCode: response.statusCode, description: "")
}
}
let useOnNavigationResponse = options?.useOnNavigationResponse
if useOnNavigationResponse != nil, useOnNavigationResponse! {
onNavigationResponse(navigationResponse: navigationResponse, result: { (result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
decisionHandler(.allow)
return
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
decisionHandler(.allow)
return
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 1:
decisionHandler(.allow)
break
default:
decisionHandler(.cancel)
}
return;
}
decisionHandler(.allow)
}
})
}
if let useOnDownloadStart = options?.useOnDownloadStart, useOnDownloadStart {
let mimeType = navigationResponse.response.mimeType
if let url = navigationResponse.response.url, navigationResponse.isForMainFrame {
if mimeType != nil && !mimeType!.starts(with: "text/") {
onDownloadStart(url: url.absoluteString)
if useOnNavigationResponse == nil || !useOnNavigationResponse! {
decisionHandler(.cancel)
}
return
}
}
}
if useOnNavigationResponse == nil || !useOnNavigationResponse! {
decisionHandler(.allow)
}
}
public func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
self.x509CertificateData = nil
self.startPageTime = currentTimeInMilliSeconds()
onLoadStart(url: url?.absoluteString)
if IABController != nil {
// loading url, start spinner, update back/forward
IABController!.backButton.isEnabled = canGoBack
IABController!.forwardButton.isEnabled = canGoForward
if (IABController!.browserOptions?.spinner)! {
IABController!.spinner.startAnimating()
}
}
}
public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
currentURL = url
InAppWebView.credentialsProposed = []
evaluateJavaScript(platformReadyJS, completionHandler: nil)
onLoadStop(url: url?.absoluteString)
if IABController != nil {
IABController!.updateUrlTextField(url: currentURL?.absoluteString ?? "")
IABController!.backButton.isEnabled = canGoBack
IABController!.forwardButton.isEnabled = canGoForward
IABController!.spinner.stopAnimating()
}
}
public func webView(_ view: WKWebView,
didFailProvisionalNavigation navigation: WKNavigation!,
withError error: Error) {
webView(view, didFail: navigation, withError: error)
}
public func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
InAppWebView.credentialsProposed = []
var urlError = url?.absoluteString
if let info = error._userInfo as? [String: Any] {
if let failingUrl = info[NSURLErrorFailingURLErrorKey] as? URL {
urlError = failingUrl.absoluteString
}
if let failingUrlString = info[NSURLErrorFailingURLStringErrorKey] as? String {
urlError = failingUrlString
}
}
onLoadError(url: urlError, error: error)
if IABController != nil {
IABController!.backButton.isEnabled = canGoBack
IABController!.forwardButton.isEnabled = canGoForward
IABController!.spinner.stopAnimating()
}
}
public func webView(_ webView: WKWebView, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
if challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodHTTPBasic ||
challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodDefault ||
challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodHTTPDigest ||
challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodNegotiate ||
challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodNTLM {
let host = challenge.protectionSpace.host
let prot = challenge.protectionSpace.protocol
let realm = challenge.protectionSpace.realm
let port = challenge.protectionSpace.port
onReceivedHttpAuthRequest(challenge: challenge, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
completionHandler(.performDefaultHandling, nil)
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 0:
InAppWebView.credentialsProposed = []
// used .performDefaultHandling to mantain consistency with Android
// because .cancelAuthenticationChallenge will call webView(_:didFail:withError:)
completionHandler(.performDefaultHandling, nil)
//completionHandler(.cancelAuthenticationChallenge, nil)
break
case 1:
let username = response["username"] as! String
let password = response["password"] as! String
let permanentPersistence = response["permanentPersistence"] as? Bool ?? false
let persistence = (permanentPersistence) ? URLCredential.Persistence.permanent : URLCredential.Persistence.forSession
let credential = URLCredential(user: username, password: password, persistence: persistence)
completionHandler(.useCredential, credential)
break
case 2:
if InAppWebView.credentialsProposed.count == 0 {
for (protectionSpace, credentials) in CredentialDatabase.credentialStore!.allCredentials {
if protectionSpace.host == host && protectionSpace.realm == realm &&
protectionSpace.protocol == prot && protectionSpace.port == port {
for credential in credentials {
InAppWebView.credentialsProposed.append(credential.value)
}
break
}
}
}
if InAppWebView.credentialsProposed.count == 0, let credential = challenge.proposedCredential {
InAppWebView.credentialsProposed.append(credential)
}
if let credential = InAppWebView.credentialsProposed.popLast() {
completionHandler(.useCredential, credential)
}
else {
completionHandler(.performDefaultHandling, nil)
}
break
default:
InAppWebView.credentialsProposed = []
completionHandler(.performDefaultHandling, nil)
}
return;
}
completionHandler(.performDefaultHandling, nil)
}
})
}
else if challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust {
guard let serverTrust = challenge.protectionSpace.serverTrust else {
completionHandler(.performDefaultHandling, nil)
return
}
onReceivedServerTrustAuthRequest(challenge: challenge, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
completionHandler(.performDefaultHandling, nil)
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 0:
InAppWebView.credentialsProposed = []
completionHandler(.cancelAuthenticationChallenge, nil)
break
case 1:
let exceptions = SecTrustCopyExceptions(serverTrust)
SecTrustSetExceptions(serverTrust, exceptions)
let credential = URLCredential(trust: serverTrust)
completionHandler(.useCredential, credential)
break
default:
InAppWebView.credentialsProposed = []
completionHandler(.performDefaultHandling, nil)
}
return;
}
completionHandler(.performDefaultHandling, nil)
}
})
}
else if challenge.protectionSpace.authenticationMethod == NSURLAuthenticationMethodClientCertificate {
onReceivedClientCertRequest(challenge: challenge, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
completionHandler(.performDefaultHandling, nil)
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 0:
completionHandler(.cancelAuthenticationChallenge, nil)
break
case 1:
let certificatePath = response["certificatePath"] as! String;
let certificatePassword = response["certificatePassword"] as? String ?? "";
let key = SwiftFlutterPlugin.instance!.registrar!.lookupKey(forAsset: certificatePath)
let path = Bundle.main.path(forResource: key, ofType: nil)!
let PKCS12Data = NSData(contentsOfFile: path)!
if let identityAndTrust: IdentityAndTrust = self.extractIdentity(PKCS12Data: PKCS12Data, password: certificatePassword) {
let urlCredential: URLCredential = URLCredential(
identity: identityAndTrust.identityRef,
certificates: identityAndTrust.certArray as? [AnyObject],
persistence: URLCredential.Persistence.forSession);
completionHandler(.useCredential, urlCredential)
} else {
completionHandler(.performDefaultHandling, nil)
}
break
case 2:
completionHandler(.cancelAuthenticationChallenge, nil)
break
default:
completionHandler(.performDefaultHandling, nil)
}
return;
}
completionHandler(.performDefaultHandling, nil)
}
})
}
else {
completionHandler(.performDefaultHandling, nil)
}
}
struct IdentityAndTrust {
var identityRef:SecIdentity
var trust:SecTrust
var certArray:AnyObject
}
func extractIdentity(PKCS12Data:NSData, password: String) -> IdentityAndTrust? {
var identityAndTrust:IdentityAndTrust?
var securityError:OSStatus = errSecSuccess
var importResult: CFArray? = nil
securityError = SecPKCS12Import(
PKCS12Data as NSData,
[kSecImportExportPassphrase as String: password] as NSDictionary,
&importResult
)
if securityError == errSecSuccess {
let certItems:CFArray = importResult! as CFArray;
let certItemsArray:Array = certItems as Array
let dict:AnyObject? = certItemsArray.first;
if let certEntry:Dictionary = dict as? Dictionary<String, AnyObject> {
// grab the identity
let identityPointer:AnyObject? = certEntry["identity"];
let secIdentityRef:SecIdentity = (identityPointer as! SecIdentity?)!;
// grab the trust
let trustPointer:AnyObject? = certEntry["trust"];
let trustRef:SecTrust = trustPointer as! SecTrust;
// grab the cert
let chainPointer:AnyObject? = certEntry["chain"];
identityAndTrust = IdentityAndTrust(identityRef: secIdentityRef, trust: trustRef, certArray: chainPointer!);
}
} else {
print("Security Error: " + securityError.description)
if #available(iOS 11.3, *) {
print(SecCopyErrorMessageString(securityError,nil) ?? "")
}
}
return identityAndTrust;
}
func createAlertDialog(message: String?, responseMessage: String?, confirmButtonTitle: String?, completionHandler: @escaping () -> Void) {
let title = responseMessage != nil && !responseMessage!.isEmpty ? responseMessage : message
let okButton = confirmButtonTitle != nil && !confirmButtonTitle!.isEmpty ? confirmButtonTitle : NSLocalizedString("Ok", comment: "")
let alertController = UIAlertController(title: title, message: nil,
preferredStyle: UIAlertController.Style.alert);
alertController.addAction(UIAlertAction(title: okButton, style: UIAlertAction.Style.default) {
_ in completionHandler()}
);
if let presentingViewController = ((self.IABController != nil) ? self.IABController! : self.window?.rootViewController!) {
presentingViewController.present(alertController, animated: true, completion: {})
} else {
completionHandler()
}
}
public func webView(_ webView: WKWebView, runJavaScriptAlertPanelWithMessage message: String,
initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping () -> Void) {
if (isPausedTimers) {
isPausedTimersCompletionHandler = completionHandler
return
}
onJsAlert(frame: frame, message: message, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
self.createAlertDialog(message: message, responseMessage: nil, confirmButtonTitle: nil, completionHandler: completionHandler)
}
else {
let response: [String: Any]
var responseMessage: String?;
var confirmButtonTitle: String?;
if let r = result {
response = r as! [String: Any]
responseMessage = response["message"] as? String
confirmButtonTitle = response["confirmButtonTitle"] as? String
let handledByClient = response["handledByClient"] as? Bool
if handledByClient != nil, handledByClient! {
var action = response["action"] as? Int
action = action != nil ? action : 1;
switch action {
case 0:
completionHandler()
break
default:
completionHandler()
}
return;
}
}
self.createAlertDialog(message: message, responseMessage: responseMessage, confirmButtonTitle: confirmButtonTitle, completionHandler: completionHandler)
}
})
}
func createConfirmDialog(message: String?, responseMessage: String?, confirmButtonTitle: String?, cancelButtonTitle: String?, completionHandler: @escaping (Bool) -> Void) {
let dialogMessage = responseMessage != nil && !responseMessage!.isEmpty ? responseMessage : message
let okButton = confirmButtonTitle != nil && !confirmButtonTitle!.isEmpty ? confirmButtonTitle : NSLocalizedString("Ok", comment: "")
let cancelButton = cancelButtonTitle != nil && !cancelButtonTitle!.isEmpty ? cancelButtonTitle : NSLocalizedString("Cancel", comment: "")
let alertController = UIAlertController(title: nil, message: dialogMessage, preferredStyle: .alert)
alertController.addAction(UIAlertAction(title: okButton, style: .default, handler: { (action) in
completionHandler(true)
}))
alertController.addAction(UIAlertAction(title: cancelButton, style: .cancel, handler: { (action) in
completionHandler(false)
}))
if let presentingViewController = ((self.IABController != nil) ? self.IABController! : self.window?.rootViewController!) {
presentingViewController.present(alertController, animated: true, completion: nil)
} else {
completionHandler(false)
}
}
public func webView(_ webView: WKWebView, runJavaScriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo,
completionHandler: @escaping (Bool) -> Void) {
onJsConfirm(frame: frame, message: message, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
self.createConfirmDialog(message: message, responseMessage: nil, confirmButtonTitle: nil, cancelButtonTitle: nil, completionHandler: completionHandler)
}
else {
let response: [String: Any]
var responseMessage: String?;
var confirmButtonTitle: String?;
var cancelButtonTitle: String?;
if let r = result {
response = r as! [String: Any]
responseMessage = response["message"] as? String
confirmButtonTitle = response["confirmButtonTitle"] as? String
cancelButtonTitle = response["cancelButtonTitle"] as? String
let handledByClient = response["handledByClient"] as? Bool
if handledByClient != nil, handledByClient! {
var action = response["action"] as? Int
action = action != nil ? action : 1;
switch action {
case 0:
completionHandler(true)
break
case 1:
completionHandler(false)
break
default:
completionHandler(false)
}
return;
}
}
self.createConfirmDialog(message: message, responseMessage: responseMessage, confirmButtonTitle: confirmButtonTitle, cancelButtonTitle: cancelButtonTitle, completionHandler: completionHandler)
}
})
}
func createPromptDialog(message: String, defaultValue: String?, responseMessage: String?, confirmButtonTitle: String?, cancelButtonTitle: String?, value: String?, completionHandler: @escaping (String?) -> Void) {
let dialogMessage = responseMessage != nil && !responseMessage!.isEmpty ? responseMessage : message
let okButton = confirmButtonTitle != nil && !confirmButtonTitle!.isEmpty ? confirmButtonTitle : NSLocalizedString("Ok", comment: "")
let cancelButton = cancelButtonTitle != nil && !cancelButtonTitle!.isEmpty ? cancelButtonTitle : NSLocalizedString("Cancel", comment: "")
let alertController = UIAlertController(title: nil, message: dialogMessage, preferredStyle: .alert)
alertController.addTextField { (textField) in
textField.text = defaultValue
}
alertController.addAction(UIAlertAction(title: okButton, style: .default, handler: { (action) in
if let v = value {
completionHandler(v)
}
else if let text = alertController.textFields?.first?.text {
completionHandler(text)
} else {
completionHandler("")
}
}))
alertController.addAction(UIAlertAction(title: cancelButton, style: .cancel, handler: { (action) in
completionHandler(nil)
}))
if let presentingViewController = ((self.IABController != nil) ? self.IABController! : self.window?.rootViewController!) {
presentingViewController.present(alertController, animated: true, completion: nil)
} else {
completionHandler(nil)
}
}
public func webView(_ webView: WKWebView, runJavaScriptTextInputPanelWithPrompt message: String, defaultText defaultValue: String?, initiatedByFrame frame: WKFrameInfo,
completionHandler: @escaping (String?) -> Void) {
onJsPrompt(frame: frame, message: message, defaultValue: defaultValue, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
self.createPromptDialog(message: message, defaultValue: defaultValue, responseMessage: nil, confirmButtonTitle: nil, cancelButtonTitle: nil, value: nil, completionHandler: completionHandler)
}
else {
let response: [String: Any]
var responseMessage: String?;
var confirmButtonTitle: String?;
var cancelButtonTitle: String?;
var value: String?;
if let r = result {
response = r as! [String: Any]
responseMessage = response["message"] as? String
confirmButtonTitle = response["confirmButtonTitle"] as? String
cancelButtonTitle = response["cancelButtonTitle"] as? String
let handledByClient = response["handledByClient"] as? Bool
value = response["value"] as? String;
if handledByClient != nil, handledByClient! {
var action = response["action"] as? Int
action = action != nil ? action : 1;
switch action {
case 0:
completionHandler(value)
break
case 1:
completionHandler(nil)
break
default:
completionHandler(nil)
}
return;
}
}
self.createPromptDialog(message: message, defaultValue: defaultValue, responseMessage: responseMessage, confirmButtonTitle: confirmButtonTitle, cancelButtonTitle: cancelButtonTitle, value: value, completionHandler: completionHandler)
}
})
}
public func scrollViewDidScroll(_ scrollView: UIScrollView) {
let disableVerticalScroll = options?.disableVerticalScroll ?? false
let disableHorizontalScroll = options?.disableHorizontalScroll ?? false
if disableVerticalScroll && disableHorizontalScroll {
scrollView.contentOffset = CGPoint(x: lastScrollX, y: lastScrollY);
}
else if disableVerticalScroll {
if (scrollView.contentOffset.y >= 0 || scrollView.contentOffset.y < 0) {
scrollView.contentOffset = CGPoint(x: scrollView.contentOffset.x, y: lastScrollY);
}
}
else if disableHorizontalScroll {
if (scrollView.contentOffset.x >= 0 || scrollView.contentOffset.x < 0) {
scrollView.contentOffset = CGPoint(x: lastScrollX, y: scrollView.contentOffset.y);
}
}
if navigationDelegate != nil && !(disableVerticalScroll && disableHorizontalScroll) {
let x = Int(scrollView.contentOffset.x / scrollView.contentScaleFactor)
let y = Int(scrollView.contentOffset.y / scrollView.contentScaleFactor)
onScrollChanged(x: x, y: y)
}
setNeedsLayout()
lastScrollX = scrollView.contentOffset.x
lastScrollY = scrollView.contentOffset.y
}
public func webView(_ webView: WKWebView,
createWebViewWith configuration: WKWebViewConfiguration,
for navigationAction: WKNavigationAction,
windowFeatures: WKWindowFeatures) -> WKWebView? {
InAppWebView.windowAutoincrementId += 1
let windowId = InAppWebView.windowAutoincrementId
let windowWebView = InAppWebView(frame: CGRect.zero, configuration: configuration, IABController: nil, contextMenu: nil, channel: nil)
windowWebView.windowId = windowId
let webViewTransport = WebViewTransport(
webView: windowWebView,
request: navigationAction.request
)
InAppWebView.windowWebViews[windowId] = webViewTransport
windowWebView.stopLoading()
var iosAllowsConstrainedNetworkAccess: Bool? = nil
var iosAllowsExpensiveNetworkAccess: Bool? = nil
if #available(iOS 13.0, *) {
iosAllowsConstrainedNetworkAccess = navigationAction.request.allowsConstrainedNetworkAccess
iosAllowsExpensiveNetworkAccess = navigationAction.request.allowsExpensiveNetworkAccess
}
let arguments: [String: Any?] = [
"url": navigationAction.request.url?.absoluteString,
"windowId": windowId,
"androidIsDialog": nil,
"androidIsUserGesture": nil,
"iosWKNavigationType": navigationAction.navigationType.rawValue,
"iosIsForMainFrame": navigationAction.targetFrame?.isMainFrame ?? false,
"iosAllowsCellularAccess": navigationAction.request.allowsCellularAccess,
"iosAllowsConstrainedNetworkAccess": iosAllowsConstrainedNetworkAccess,
"iosAllowsExpensiveNetworkAccess": iosAllowsExpensiveNetworkAccess,
"iosCachePolicy": navigationAction.request.cachePolicy.rawValue,
"iosHttpShouldHandleCookies": navigationAction.request.httpShouldHandleCookies,
"iosHttpShouldUsePipelining": navigationAction.request.httpShouldUsePipelining,
"iosNetworkServiceType": navigationAction.request.networkServiceType.rawValue,
"iosTimeoutInterval": navigationAction.request.timeoutInterval,
]
channel?.invokeMethod("onCreateWindow", arguments: arguments, result: { (result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
if InAppWebView.windowWebViews[windowId] != nil {
InAppWebView.windowWebViews.removeValue(forKey: windowId)
}
return
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
self.updateUrlTextFieldForIABController(navigationAction: navigationAction)
if InAppWebView.windowWebViews[windowId] != nil {
InAppWebView.windowWebViews.removeValue(forKey: windowId)
}
return
}
else {
var handledByClient = false
if result != nil, result is Bool {
handledByClient = result as! Bool
}
if !handledByClient, InAppWebView.windowWebViews[windowId] != nil {
InAppWebView.windowWebViews.removeValue(forKey: windowId)
if let url = navigationAction.request.url {
self.loadUrl(url: url, headers: nil)
}
}
}
})
return windowWebView
}
public func webView(_ webView: WKWebView,
authenticationChallenge challenge: URLAuthenticationChallenge,
shouldAllowDeprecatedTLS decisionHandler: @escaping (Bool) -> Void) {
shouldAllowDeprecatedTLS(challenge: challenge, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {
decisionHandler(false)
}
else {
var response: [String: Any]
if let r = result {
response = r as! [String: Any]
var action = response["action"] as? Int
action = action != nil ? action : 0;
switch action {
case 0:
decisionHandler(false)
break
case 1:
decisionHandler(true)
break
default:
decisionHandler(false)
}
return;
}
decisionHandler(false)
}
})
}
public func webViewDidClose(_ webView: WKWebView) {
let arguments: [String: Any?] = [:]
channel?.invokeMethod("onCloseWindow", arguments: arguments)
}
public func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
onWebContentProcessDidTerminate()
}
public func webView(_ webView: WKWebView,
didCommit navigation: WKNavigation!) {
onPageCommitVisible(url: url?.absoluteString)
}
public func webView(_ webView: WKWebView,
didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
onDidReceiveServerRedirectForProvisionalNavigation()
}
// @available(iOS 13.0, *)
// public func webView(_ webView: WKWebView,
// contextMenuConfigurationForElement elementInfo: WKContextMenuElementInfo,
// completionHandler: @escaping (UIContextMenuConfiguration?) -> Void) {
// print("contextMenuConfigurationForElement")
// let actionProvider: UIContextMenuActionProvider = { _ in
// let editMenu = UIMenu(title: "Edit...", children: [
// UIAction(title: "Copy") { action in
//
// },
// UIAction(title: "Duplicate") { action in
//
// }
// ])
// return UIMenu(title: "Title", children: [
// UIAction(title: "Share") { action in
//
// },
// editMenu
// ])
// }
// let contextMenuConfiguration = UIContextMenuConfiguration(identifier: nil, previewProvider: nil, actionProvider: actionProvider)
// //completionHandler(contextMenuConfiguration)
// completionHandler(nil)
//// onContextMenuConfigurationForElement(linkURL: elementInfo.linkURL?.absoluteString, result: nil/*{(result) -> Void in
//// if result is FlutterError {
//// print((result as! FlutterError).message ?? "")
//// }
//// else if (result as? NSObject) == FlutterMethodNotImplemented {
//// completionHandler(nil)
//// }
//// else {
//// var response: [String: Any]
//// if let r = result {
//// response = r as! [String: Any]
//// var action = response["action"] as? Int
//// action = action != nil ? action : 0;
//// switch action {
//// case 0:
//// break
//// case 1:
//// break
//// default:
//// completionHandler(nil)
//// }
//// return;
//// }
//// completionHandler(nil)
//// }
//// }*/)
// }
////
// @available(iOS 13.0, *)
// public func webView(_ webView: WKWebView,
// contextMenuDidEndForElement elementInfo: WKContextMenuElementInfo) {
// print("contextMenuDidEndForElement")
// print(elementInfo)
// //onContextMenuDidEndForElement(linkURL: elementInfo.linkURL?.absoluteString)
// }
//
// @available(iOS 13.0, *)
// public func webView(_ webView: WKWebView,
// contextMenuForElement elementInfo: WKContextMenuElementInfo,
// willCommitWithAnimator animator: UIContextMenuInteractionCommitAnimating) {
// print("willCommitWithAnimator")
// print(elementInfo)
//// onWillCommitWithAnimator(linkURL: elementInfo.linkURL?.absoluteString, result: nil/*{(result) -> Void in
//// if result is FlutterError {
//// print((result as! FlutterError).message ?? "")
//// }
//// else if (result as? NSObject) == FlutterMethodNotImplemented {
////
//// }
//// else {
//// var response: [String: Any]
//// if let r = result {
//// response = r as! [String: Any]
//// var action = response["action"] as? Int
//// action = action != nil ? action : 0;
////// switch action {
////// case 0:
////// break
////// case 1:
////// break
////// default:
//////
////// }
//// return;
//// }
////
//// }
//// }*/)
// }
//
// @available(iOS 13.0, *)
// public func webView(_ webView: WKWebView,
// contextMenuWillPresentForElement elementInfo: WKContextMenuElementInfo) {
// print("contextMenuWillPresentForElement")
// print(elementInfo.linkURL)
// //onContextMenuWillPresentForElement(linkURL: elementInfo.linkURL?.absoluteString)
// }
public func onLoadStart(url: String?) {
let arguments: [String: Any?] = ["url": url]
channel?.invokeMethod("onLoadStart", arguments: arguments)
}
public func onLoadStop(url: String?) {
let arguments: [String: Any?] = ["url": url]
channel?.invokeMethod("onLoadStop", arguments: arguments)
}
public func onLoadError(url: String?, error: Error) {
let arguments: [String: Any?] = ["url": url, "code": error._code, "message": error.localizedDescription]
channel?.invokeMethod("onLoadError", arguments: arguments)
}
public func onLoadHttpError(url: String?, statusCode: Int, description: String) {
let arguments: [String: Any?] = ["url": url, "statusCode": statusCode, "description": description]
channel?.invokeMethod("onLoadHttpError", arguments: arguments)
}
public func onProgressChanged(progress: Int) {
let arguments: [String: Any] = ["progress": progress]
channel?.invokeMethod("onProgressChanged", arguments: arguments)
}
public func onFindResultReceived(activeMatchOrdinal: Int, numberOfMatches: Int, isDoneCounting: Bool) {
let arguments: [String : Any] = [
"activeMatchOrdinal": activeMatchOrdinal,
"numberOfMatches": numberOfMatches,
"isDoneCounting": isDoneCounting
]
channel?.invokeMethod("onFindResultReceived", arguments: arguments)
}
public func onScrollChanged(x: Int, y: Int) {
let arguments: [String: Any] = ["x": x, "y": y]
channel?.invokeMethod("onScrollChanged", arguments: arguments)
}
public func onDownloadStart(url: String) {
let arguments: [String: Any] = ["url": url]
channel?.invokeMethod("onDownloadStart", arguments: arguments)
}
public func onLoadResourceCustomScheme(scheme: String, url: String, result: FlutterResult?) {
let arguments: [String: Any] = ["scheme": scheme, "url": url]
channel?.invokeMethod("onLoadResourceCustomScheme", arguments: arguments, result: result)
}
public func shouldOverrideUrlLoading(navigationAction: WKNavigationAction, result: FlutterResult?) {
var iosAllowsConstrainedNetworkAccess: Bool? = nil
var iosAllowsExpensiveNetworkAccess: Bool? = nil
if #available(iOS 13.0, *) {
iosAllowsConstrainedNetworkAccess = navigationAction.request.allowsConstrainedNetworkAccess
iosAllowsExpensiveNetworkAccess = navigationAction.request.allowsExpensiveNetworkAccess
}
let arguments: [String: Any?] = [
"url": navigationAction.request.url?.absoluteString,
"method": navigationAction.request.httpMethod,
"headers": navigationAction.request.allHTTPHeaderFields,
"isForMainFrame": navigationAction.targetFrame?.isMainFrame ?? false,
"androidHasGesture": nil,
"androidIsRedirect": nil,
"iosWKNavigationType": navigationAction.navigationType.rawValue,
"iosAllowsCellularAccess": navigationAction.request.allowsCellularAccess,
"iosAllowsConstrainedNetworkAccess": iosAllowsConstrainedNetworkAccess,
"iosAllowsExpensiveNetworkAccess": iosAllowsExpensiveNetworkAccess,
"iosCachePolicy": navigationAction.request.cachePolicy.rawValue,
"iosHttpShouldHandleCookies": navigationAction.request.httpShouldHandleCookies,
"iosHttpShouldUsePipelining": navigationAction.request.httpShouldUsePipelining,
"iosNetworkServiceType": navigationAction.request.networkServiceType.rawValue,
"iosTimeoutInterval": navigationAction.request.timeoutInterval,
]
channel?.invokeMethod("shouldOverrideUrlLoading", arguments: arguments, result: result)
}
public func onNavigationResponse(navigationResponse: WKNavigationResponse, result: FlutterResult?) {
let arguments: [String: Any?] = [
"url": navigationResponse.response.url?.absoluteString,
"isForMainFrame": navigationResponse.isForMainFrame,
"canShowMIMEType": navigationResponse.canShowMIMEType,
"expectedContentLength": navigationResponse.response.expectedContentLength,
"mimeType": navigationResponse.response.mimeType,
"suggestedFilename": navigationResponse.response.suggestedFilename,
"textEncodingName": navigationResponse.response.textEncodingName,
]
channel?.invokeMethod("onNavigationResponse", arguments: arguments, result: result)
}
public func onReceivedHttpAuthRequest(challenge: URLAuthenticationChallenge, result: FlutterResult?) {
let arguments: [String: Any?] = [
"host": challenge.protectionSpace.host,
"protocol": challenge.protectionSpace.protocol,
"realm": challenge.protectionSpace.realm,
"port": challenge.protectionSpace.port,
"previousFailureCount": challenge.previousFailureCount
]
channel?.invokeMethod("onReceivedHttpAuthRequest", arguments: arguments, result: result)
}
public func onReceivedServerTrustAuthRequest(challenge: URLAuthenticationChallenge, result: FlutterResult?) {
var serverCertificateData: NSData?
let serverTrust = challenge.protectionSpace.serverTrust!
var secResult = SecTrustResultType.invalid
SecTrustEvaluate(serverTrust, &secResult);
if let serverCertificate = SecTrustGetCertificateAtIndex(serverTrust, 0) {
let serverCertificateCFData = SecCertificateCopyData(serverCertificate)
let data = CFDataGetBytePtr(serverCertificateCFData)
let size = CFDataGetLength(serverCertificateCFData)
serverCertificateData = NSData(bytes: data, length: size)
if (x509CertificateData == nil) {
x509CertificateData = Data(serverCertificateData!)
InAppWebView.sslCertificateMap[challenge.protectionSpace.host] = x509CertificateData;
}
}
let error = secResult != SecTrustResultType.proceed ? secResult.rawValue : nil
var message = ""
switch secResult {
case .deny:
message = "Indicates a user-configured deny; do not proceed."
break
case .fatalTrustFailure:
message = "Indicates a trust failure which cannot be overridden by the user."
break
case .invalid:
message = "Indicates an invalid setting or result."
break
case .otherError:
message = "Indicates a failure other than that of trust evaluation."
break
case .recoverableTrustFailure:
message = "Indicates a trust policy failure which can be overridden by the user."
break
case .unspecified:
message = "Indicates the evaluation succeeded and the certificate is implicitly trusted, but user intent was not explicitly specified."
break
default:
message = ""
}
let arguments: [String: Any?] = [
"host": challenge.protectionSpace.host,
"protocol": challenge.protectionSpace.protocol,
"realm": challenge.protectionSpace.realm,
"port": challenge.protectionSpace.port,
"previousFailureCount": challenge.previousFailureCount,
"sslCertificate": InAppWebView.getCertificateMap(x509Certificate:
((serverCertificateData != nil) ? Data(serverCertificateData!) : nil)),
"androidError": nil,
"iosError": error,
"message": message,
]
channel?.invokeMethod("onReceivedServerTrustAuthRequest", arguments: arguments, result: result)
}
public func onReceivedClientCertRequest(challenge: URLAuthenticationChallenge, result: FlutterResult?) {
let arguments: [String: Any?] = [
"host": challenge.protectionSpace.host,
"protocol": challenge.protectionSpace.protocol,
"realm": challenge.protectionSpace.realm,
"port": challenge.protectionSpace.port
]
channel?.invokeMethod("onReceivedClientCertRequest", arguments: arguments, result: result)
}
public func shouldAllowDeprecatedTLS(challenge: URLAuthenticationChallenge, result: FlutterResult?) {
let arguments: [String: Any?] = [
"host": challenge.protectionSpace.host,
"protocol": challenge.protectionSpace.protocol,
"realm": challenge.protectionSpace.realm,
"port": challenge.protectionSpace.port,
"previousFailureCount": challenge.previousFailureCount
]
channel?.invokeMethod("shouldAllowDeprecatedTLS", arguments: arguments, result: result)
}
public func onJsAlert(frame: WKFrameInfo, message: String, result: FlutterResult?) {
let arguments: [String: Any?] = [
"url": frame.request.url?.absoluteString,
"message": message,
"iosIsMainFrame": frame.isMainFrame
]
channel?.invokeMethod("onJsAlert", arguments: arguments, result: result)
}
public func onJsConfirm(frame: WKFrameInfo, message: String, result: FlutterResult?) {
let arguments: [String: Any?] = [
"url": frame.request.url?.absoluteString,
"message": message,
"iosIsMainFrame": frame.isMainFrame
]
channel?.invokeMethod("onJsConfirm", arguments: arguments, result: result)
}
public func onJsPrompt(frame: WKFrameInfo, message: String, defaultValue: String?, result: FlutterResult?) {
let arguments: [String: Any?] = [
"url": frame.request.url?.absoluteString,
"message": message,
"defaultValue": defaultValue as Any,
"iosIsMainFrame": frame.isMainFrame
]
channel?.invokeMethod("onJsPrompt", arguments: arguments, result: result)
}
public func onConsoleMessage(message: String, messageLevel: Int) {
let arguments: [String: Any] = ["message": message, "messageLevel": messageLevel]
channel?.invokeMethod("onConsoleMessage", arguments: arguments)
}
public func onUpdateVisitedHistory(url: String?) {
let arguments: [String: Any?] = [
"url": url,
"androidIsReload": nil
]
channel?.invokeMethod("onUpdateVisitedHistory", arguments: arguments)
}
public func onTitleChanged(title: String?) {
let arguments: [String: Any?] = [
"title": title
]
channel?.invokeMethod("onTitleChanged", arguments: arguments)
}
public func onLongPressHitTestResult(hitTestResult: [String: Any?]) {
let arguments: [String: Any?] = [
"hitTestResult": hitTestResult
]
channel?.invokeMethod("onLongPressHitTestResult", arguments: arguments)
}
public func onCallJsHandler(handlerName: String, _callHandlerID: Int64, args: String) {
let arguments: [String: Any] = ["handlerName": handlerName, "args": args]
channel?.invokeMethod("onCallJsHandler", arguments: arguments, result: {(result) -> Void in
if result is FlutterError {
print((result as! FlutterError).message ?? "")
}
else if (result as? NSObject) == FlutterMethodNotImplemented {}
else {
var json = "null"
if let r = result {
json = r as! String
}
self.evaluateJavaScript("""
if(window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)] != null) {
window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)](\(json));
delete window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)];
}
""", completionHandler: nil)
}
})
}
public func onWebContentProcessDidTerminate() {
channel?.invokeMethod("onWebContentProcessDidTerminate", arguments: [])
}
public func onPageCommitVisible(url: String?) {
let arguments: [String: Any?] = [
"url": url
]
channel?.invokeMethod("onPageCommitVisible", arguments: arguments)
}
public func onDidReceiveServerRedirectForProvisionalNavigation() {
channel?.invokeMethod("onDidReceiveServerRedirectForProvisionalNavigation", arguments: [])
}
// https://stackoverflow.com/a/42840541/4637638
public func isVideoPlayerWindow(_ notificationObject: AnyObject?) -> Bool {
let nonVideoClasses = ["_UIAlertControllerShimPresenterWindow",
"UITextEffectsWindow",
"UIRemoteKeyboardWindow"]
var isVideo = true
if let obj = notificationObject {
for nonVideoClass in nonVideoClasses {
if let clazz = NSClassFromString(nonVideoClass) {
isVideo = isVideo && !(obj.isKind(of: clazz))
}
}
}
return isVideo
}
@objc func onEnterFullscreen(_ notification: Notification) {
if (isVideoPlayerWindow(notification.object as AnyObject?)) {
channel?.invokeMethod("onEnterFullscreen", arguments: [])
}
}
@objc func onExitFullscreen(_ notification: Notification) {
if (isVideoPlayerWindow(notification.object as AnyObject?)) {
channel?.invokeMethod("onExitFullscreen", arguments: [])
}
}
// public func onContextMenuConfigurationForElement(linkURL: String?, result: FlutterResult?) {
// let arguments: [String: Any?] = ["linkURL": linkURL]
// channel?.invokeMethod("onContextMenuConfigurationForElement", arguments: arguments, result: result)
// }
//
// public func onContextMenuDidEndForElement(linkURL: String?) {
// let arguments: [String: Any?] = ["linkURL": linkURL]
// channel?.invokeMethod("onContextMenuDidEndForElement", arguments: arguments)
// }
//
// public func onWillCommitWithAnimator(linkURL: String?, result: FlutterResult?) {
// let arguments: [String: Any?] = ["linkURL": linkURL]
// channel?.invokeMethod("onWillCommitWithAnimator", arguments: arguments, result: result)
// }
//
// public func onContextMenuWillPresentForElement(linkURL: String?) {
// let arguments: [String: Any?] = ["linkURL": linkURL]
// channel?.invokeMethod("onContextMenuWillPresentForElement", arguments: arguments)
// }
public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
if message.name.starts(with: "console") {
var messageLevel = 1
switch (message.name) {
case "consoleLog":
messageLevel = 1
break;
case "consoleDebug":
// on Android, console.debug is TIP
messageLevel = 0
break;
case "consoleError":
messageLevel = 3
break;
case "consoleInfo":
// on Android, console.info is LOG
messageLevel = 1
break;
case "consoleWarn":
messageLevel = 2
break;
default:
messageLevel = 1
break;
}
let body = message.body as! [String: Any?]
let consoleMessage = body["message"] as! String
let _windowId = body["_windowId"] as? Int64
var webView = self
if let wId = _windowId, let webViewTransport = InAppWebView.windowWebViews[wId] {
webView = webViewTransport.webView
}
webView.onConsoleMessage(message: consoleMessage, messageLevel: messageLevel)
} else if message.name == "callHandler" {
let body = message.body as! [String: Any?]
let handlerName = body["handlerName"] as! String
if handlerName == "onPrint" {
printCurrentPage(printCompletionHandler: nil)
}
let _callHandlerID = body["_callHandlerID"] as! Int64
let args = body["args"] as! String
let _windowId = body["_windowId"] as? Int64
var webView = self
if let wId = _windowId, let webViewTransport = InAppWebView.windowWebViews[wId] {
webView = webViewTransport.webView
}
webView.onCallJsHandler(handlerName: handlerName, _callHandlerID: _callHandlerID, args: args)
} else if message.name == "onFindResultReceived" {
let body = message.body as! [String: Any?]
let findResult = body["findResult"] as! [String: Any]
let activeMatchOrdinal = findResult["activeMatchOrdinal"] as! Int
let numberOfMatches = findResult["numberOfMatches"] as! Int
let isDoneCounting = findResult["isDoneCounting"] as! Bool
let _windowId = body["_windowId"] as? Int64
var webView = self
if let wId = _windowId, let webViewTransport = InAppWebView.windowWebViews[wId] {
webView = webViewTransport.webView
}
webView.onFindResultReceived(activeMatchOrdinal: activeMatchOrdinal, numberOfMatches: numberOfMatches, isDoneCounting: isDoneCounting)
} else if message.name == "onCallAsyncJavaScriptResultBelowIOS14Received" {
let body = message.body as! [String: Any?]
let resultUuid = body["resultUuid"] as! String
if let result = callAsyncJavaScriptBelowIOS14Results[resultUuid] {
result([
"value": body["value"],
"error": body["error"]
])
callAsyncJavaScriptBelowIOS14Results.removeValue(forKey: resultUuid)
}
}
}
public func findAllAsync(find: String?, completionHandler: ((Any?, Error?) -> Void)?) {
let startSearch = "wkwebview_FindAllAsync('\(find ?? "")');"
evaluateJavaScript(startSearch, completionHandler: completionHandler)
}
public func findNext(forward: Bool, completionHandler: ((Any?, Error?) -> Void)?) {
evaluateJavaScript("wkwebview_FindNext(\(forward ? "true" : "false"));", completionHandler: completionHandler)
}
public func clearMatches(completionHandler: ((Any?, Error?) -> Void)?) {
evaluateJavaScript("wkwebview_ClearMatches();", completionHandler: completionHandler)
}
public func scrollTo(x: Int, y: Int, animated: Bool) {
scrollView.setContentOffset(CGPoint(x: x, y: y), animated: animated)
}
public func scrollBy(x: Int, y: Int, animated: Bool) {
let newX = CGFloat(x) + scrollView.contentOffset.x
let newY = CGFloat(y) + scrollView.contentOffset.y
scrollView.setContentOffset(CGPoint(x: newX, y: newY), animated: animated)
}
public func pauseTimers() {
if !isPausedTimers {
isPausedTimers = true
let script = "alert();";
self.evaluateJavaScript(script, completionHandler: nil)
}
}
public func resumeTimers() {
if isPausedTimers {
if let completionHandler = isPausedTimersCompletionHandler {
self.isPausedTimersCompletionHandler = nil
completionHandler()
}
isPausedTimers = false
}
}
public func printCurrentPage(printCompletionHandler: ((_ completed: Bool, _ error: Error?) -> Void)?) {
let printController = UIPrintInteractionController.shared
let printFormatter = self.viewPrintFormatter()
printController.printFormatter = printFormatter
let completionHandler: UIPrintInteractionController.CompletionHandler = { (printController, completed, error) in
if !completed {
if let e = error {
print("[PRINT] Failed: \(e.localizedDescription)")
} else {
print("[PRINT] Canceled")
}
}
if let callback = printCompletionHandler {
callback(completed, error)
}
}
printController.present(animated: true, completionHandler: completionHandler)
}
public func getContentHeight() -> Int64 {
return Int64(scrollView.contentSize.height)
}
public func zoomBy(zoomFactor: Float, animated: Bool) {
let currentZoomScale = scrollView.zoomScale
scrollView.setZoomScale(currentZoomScale * CGFloat(zoomFactor), animated: animated)
}
public func getScale() -> Float {
return Float(scrollView.zoomScale)
}
public func getSelectedText(completionHandler: @escaping (Any?, Error?) -> Void) {
if configuration.preferences.javaScriptEnabled {
evaluateJavaScript(getSelectedTextJS, completionHandler: completionHandler)
} else {
completionHandler(nil, nil)
}
}
public func getHitTestResult(completionHandler: @escaping (Any?, Error?) -> Void) {
if configuration.preferences.javaScriptEnabled, let lastTouchLocation = lastTouchPoint {
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._findElementsAtPoint(\(lastTouchLocation.x),\(lastTouchLocation.y))", completionHandler: {(value, error) in
completionHandler(value, error)
})
} else {
completionHandler(nil, nil)
}
}
public func requestFocusNodeHref(completionHandler: @escaping ([String: Any?]?, Error?) -> Void) {
if configuration.preferences.javaScriptEnabled {
// add some delay to make it sure _lastAnchorOrImageTouched is updated
DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._lastAnchorOrImageTouched", completionHandler: {(value, error) in
let lastAnchorOrImageTouched = value as? [String: Any?]
completionHandler(lastAnchorOrImageTouched, error)
})
}
} else {
completionHandler(nil, nil)
}
}
public func requestImageRef(completionHandler: @escaping ([String: Any?]?, Error?) -> Void) {
if configuration.preferences.javaScriptEnabled {
// add some delay to make it sure _lastImageTouched is updated
DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)._lastImageTouched", completionHandler: {(value, error) in
let lastImageTouched = value as? [String: Any?]
completionHandler(lastImageTouched, error)
})
}
} else {
completionHandler(nil, nil)
}
}
public func clearFocus() {
self.scrollView.subviews.first?.resignFirstResponder()
}
public func getCertificate() -> Data? {
var x509Certificate = self.x509CertificateData
if x509Certificate == nil, let scheme = url?.scheme, scheme == "https",
let host = url?.host, let cert = InAppWebView.sslCertificateMap[host] {
x509Certificate = cert
}
return x509Certificate
}
public func getCertificateMap() -> [String: Any?]? {
return InAppWebView.getCertificateMap(x509Certificate: getCertificate())
}
public static func getCertificateMap(x509Certificate: Data?) -> [String: Any?]? {
return x509Certificate != nil ? [
"issuedBy": nil,
"issuedTo": nil,
"validNotAfterDate": nil,
"validNotBeforeDate": nil,
"x509Certificate": x509Certificate
] : nil;
}
public func dispose() {
if isPausedTimers, let completionHandler = isPausedTimersCompletionHandler {
isPausedTimersCompletionHandler = nil
completionHandler()
}
stopLoading()
if windowId == nil {
configuration.userContentController.removeScriptMessageHandler(forName: "consoleLog")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleDebug")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleError")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleInfo")
configuration.userContentController.removeScriptMessageHandler(forName: "consoleWarn")
configuration.userContentController.removeScriptMessageHandler(forName: "callHandler")
configuration.userContentController.removeScriptMessageHandler(forName: "onFindResultReceived")
configuration.userContentController.removeScriptMessageHandler(forName: "onCallAsyncJavaScriptResultBelowIOS14Received")
if #available(iOS 14.0, *) {
configuration.userContentController.removeAllScriptMessageHandlers()
for contentWorldName in userScriptsContentWorlds {
let contentWorld = getContentWorld(name: contentWorldName)
configuration.userContentController.removeAllScriptMessageHandlers(from: contentWorld)
configuration.userContentController.removeAllScriptMessageHandlers(from: contentWorld)
}
}
configuration.userContentController.removeAllUserScripts()
if #available(iOS 11.0, *) {
configuration.userContentController.removeAllContentRuleLists()
}
}
removeObserver(self, forKeyPath: #keyPath(WKWebView.estimatedProgress))
removeObserver(self, forKeyPath: #keyPath(WKWebView.url))
removeObserver(self, forKeyPath: #keyPath(WKWebView.title))
NotificationCenter.default.removeObserver(self)
for imp in customIMPs {
imp_removeBlock(imp)
}
longPressRecognizer?.removeTarget(self, action: #selector(longPressGestureDetected))
longPressRecognizer?.delegate = nil
scrollView.removeGestureRecognizer(longPressRecognizer!)
uiDelegate = nil
navigationDelegate = nil
scrollView.delegate = nil
IABController?.webView = nil
isPausedTimersCompletionHandler = nil
channel = nil
SharedLastTouchPointTimestamp.removeValue(forKey: self)
if let wId = windowId, InAppWebView.windowWebViews[wId] != nil {
InAppWebView.windowWebViews.removeValue(forKey: wId)
}
callAsyncJavaScriptBelowIOS14Results.removeAll()
super.removeFromSuperview()
}
deinit {
print("InAppWebView - dealloc")
}
// var accessoryView: UIView?
//
// // https://stackoverflow.com/a/58001395/4637638
// public override var inputAccessoryView: UIView? {
// // remove/replace the default accessory view
// return accessoryView
// }
}