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CDVWKInAppBrowser.m
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CDVWKInAppBrowser.m
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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
#import "CDVWKInAppBrowser.h"
#if __has_include("CDVWKProcessPoolFactory.h")
#import "CDVWKProcessPoolFactory.h"
#endif
#import <Cordova/CDVPluginResult.h>
#import <Cordova/CDVUserAgentUtil.h>
#define kInAppBrowserTargetSelf @"_self"
#define kInAppBrowserTargetSystem @"_system"
#define kInAppBrowserTargetBlank @"_blank"
#define kInAppBrowserToolbarBarPositionBottom @"bottom"
#define kInAppBrowserToolbarBarPositionTop @"top"
#define IAB_BRIDGE_NAME @"cordova_iab"
#define TOOLBAR_HEIGHT 44.0
#define STATUSBAR_HEIGHT 20.0
#define LOCATIONBAR_HEIGHT 21.0
#define FOOTER_HEIGHT ((TOOLBAR_HEIGHT) + (LOCATIONBAR_HEIGHT))
#pragma mark CDVWKInAppBrowser
@interface CDVWKInAppBrowser () {
NSInteger _previousStatusBarStyle;
}
@end
@implementation CDVWKInAppBrowser
static CDVWKInAppBrowser* instance = nil;
+ (id) getInstance{
return instance;
}
- (void)pluginInitialize
{
instance = self;
_previousStatusBarStyle = -1;
_callbackIdPattern = nil;
}
- (id)settingForKey:(NSString*)key
{
return [self.commandDelegate.settings objectForKey:[key lowercaseString]];
}
- (void)onReset
{
[self close:nil];
}
- (void)close:(CDVInvokedUrlCommand*)command
{
if (self.inAppBrowserViewController == nil) {
NSLog(@"IAB.close() called but it was already closed.");
return;
}
// Things are cleaned up in browserExit.
[self.inAppBrowserViewController close];
}
- (BOOL) isSystemUrl:(NSURL*)url
{
if ([[url host] isEqualToString:@"itunes.apple.com"]) {
return YES;
}
return NO;
}
- (void)open:(CDVInvokedUrlCommand*)command
{
CDVPluginResult* pluginResult;
NSString* url = [command argumentAtIndex:0];
NSString* target = [command argumentAtIndex:1 withDefault:kInAppBrowserTargetSelf];
NSString* options = [command argumentAtIndex:2 withDefault:@"" andClass:[NSString class]];
self.callbackId = command.callbackId;
if (url != nil) {
#ifdef __CORDOVA_4_0_0
NSURL* baseUrl = [self.webViewEngine URL];
#else
NSURL* baseUrl = [self.webView.request URL];
#endif
NSURL* absoluteUrl = [[NSURL URLWithString:url relativeToURL:baseUrl] absoluteURL];
if ([self isSystemUrl:absoluteUrl]) {
target = kInAppBrowserTargetSystem;
}
if ([target isEqualToString:kInAppBrowserTargetSelf]) {
[self openInCordovaWebView:absoluteUrl withOptions:options];
} else if ([target isEqualToString:kInAppBrowserTargetSystem]) {
[self openInSystem:absoluteUrl];
} else { // _blank or anything else
[self openInInAppBrowser:absoluteUrl withOptions:options];
}
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK];
} else {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"incorrect number of arguments"];
}
[pluginResult setKeepCallback:[NSNumber numberWithBool:YES]];
[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
}
- (void)openInInAppBrowser:(NSURL*)url withOptions:(NSString*)options
{
CDVInAppBrowserOptions* browserOptions = [CDVInAppBrowserOptions parseOptions:options];
WKWebsiteDataStore* dataStore = [WKWebsiteDataStore defaultDataStore];
if (browserOptions.cleardata) {
NSDate* dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
[dataStore removeDataOfTypes:[WKWebsiteDataStore allWebsiteDataTypes] modifiedSince:dateFrom completionHandler:^{
NSLog(@"Removed all WKWebView data");
self.inAppBrowserViewController.webView.configuration.processPool = [[WKProcessPool alloc] init]; // create new process pool to flush all data
}];
}
if (browserOptions.clearcache) {
bool isAtLeastiOS11 = false;
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
if (@available(iOS 11.0, *)) {
isAtLeastiOS11 = true;
}
#endif
if(isAtLeastiOS11){
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
// Deletes all cookies
WKHTTPCookieStore* cookieStore = dataStore.httpCookieStore;
[cookieStore getAllCookies:^(NSArray* cookies) {
NSHTTPCookie* cookie;
for(cookie in cookies){
[cookieStore deleteCookie:cookie completionHandler:nil];
}
}];
#endif
}else{
// https://stackoverflow.com/a/31803708/777265
// Only deletes domain cookies (not session cookies)
[dataStore fetchDataRecordsOfTypes:[WKWebsiteDataStore allWebsiteDataTypes]
completionHandler:^(NSArray<WKWebsiteDataRecord *> * __nonnull records) {
for (WKWebsiteDataRecord *record in records){
NSSet<NSString*>* dataTypes = record.dataTypes;
if([dataTypes containsObject:WKWebsiteDataTypeCookies]){
[[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:record.dataTypes
forDataRecords:@[record]
completionHandler:^{}];
}
}
}];
}
}
if (browserOptions.clearsessioncache) {
bool isAtLeastiOS11 = false;
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
if (@available(iOS 11.0, *)) {
isAtLeastiOS11 = true;
}
#endif
if (isAtLeastiOS11) {
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
// Deletes session cookies
WKHTTPCookieStore* cookieStore = dataStore.httpCookieStore;
[cookieStore getAllCookies:^(NSArray* cookies) {
NSHTTPCookie* cookie;
for(cookie in cookies){
if(cookie.sessionOnly){
[cookieStore deleteCookie:cookie completionHandler:nil];
}
}
}];
#endif
}else{
NSLog(@"clearsessioncache not available below iOS 11.0");
}
}
if (self.inAppBrowserViewController == nil) {
NSString* userAgent = [CDVUserAgentUtil originalUserAgent];
NSString* overrideUserAgent = [self settingForKey:@"OverrideUserAgent"];
NSString* appendUserAgent = [self settingForKey:@"AppendUserAgent"];
if(overrideUserAgent){
userAgent = overrideUserAgent;
}
if(appendUserAgent){
userAgent = [userAgent stringByAppendingString: appendUserAgent];
}
self.inAppBrowserViewController = [[CDVWKInAppBrowserViewController alloc] initWithUserAgent:userAgent prevUserAgent:[self.commandDelegate userAgent] browserOptions: browserOptions];
self.inAppBrowserViewController.navigationDelegate = self;
if ([self.viewController conformsToProtocol:@protocol(CDVScreenOrientationDelegate)]) {
self.inAppBrowserViewController.orientationDelegate = (UIViewController <CDVScreenOrientationDelegate>*)self.viewController;
}
}
[self.inAppBrowserViewController showLocationBar:browserOptions.location];
[self.inAppBrowserViewController showToolBar:browserOptions.toolbar :browserOptions.toolbarposition];
if (browserOptions.closebuttoncaption != nil || browserOptions.closebuttoncolor != nil) {
[self.inAppBrowserViewController setCloseButtonTitle:browserOptions.closebuttoncaption :browserOptions.closebuttoncolor];
}
// Set Presentation Style
UIModalPresentationStyle presentationStyle = UIModalPresentationFullScreen; // default
if (browserOptions.presentationstyle != nil) {
if ([[browserOptions.presentationstyle lowercaseString] isEqualToString:@"pagesheet"]) {
presentationStyle = UIModalPresentationPageSheet;
} else if ([[browserOptions.presentationstyle lowercaseString] isEqualToString:@"formsheet"]) {
presentationStyle = UIModalPresentationFormSheet;
}
}
self.inAppBrowserViewController.modalPresentationStyle = presentationStyle;
// Set Transition Style
UIModalTransitionStyle transitionStyle = UIModalTransitionStyleCoverVertical; // default
if (browserOptions.transitionstyle != nil) {
if ([[browserOptions.transitionstyle lowercaseString] isEqualToString:@"fliphorizontal"]) {
transitionStyle = UIModalTransitionStyleFlipHorizontal;
} else if ([[browserOptions.transitionstyle lowercaseString] isEqualToString:@"crossdissolve"]) {
transitionStyle = UIModalTransitionStyleCrossDissolve;
}
}
self.inAppBrowserViewController.modalTransitionStyle = transitionStyle;
//prevent webView from bouncing
if (browserOptions.disallowoverscroll) {
if ([self.inAppBrowserViewController.webView respondsToSelector:@selector(scrollView)]) {
((UIScrollView*)[self.inAppBrowserViewController.webView scrollView]).bounces = NO;
} else {
for (id subview in self.inAppBrowserViewController.webView.subviews) {
if ([[subview class] isSubclassOfClass:[UIScrollView class]]) {
((UIScrollView*)subview).bounces = NO;
}
}
}
}
[self.inAppBrowserViewController navigateTo:url];
[self show:nil withNoAnimate:browserOptions.hidden];
}
- (void)show:(CDVInvokedUrlCommand*)command{
[self show:command withNoAnimate:NO];
}
- (void)show:(CDVInvokedUrlCommand*)command withNoAnimate:(BOOL)noAnimate
{
BOOL initHidden = NO;
if(command == nil && noAnimate == YES){
initHidden = YES;
}
if (self.inAppBrowserViewController == nil) {
NSLog(@"Tried to show IAB after it was closed.");
return;
}
if (_previousStatusBarStyle != -1) {
NSLog(@"Tried to show IAB while already shown");
return;
}
if(!initHidden){
_previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
}
__block CDVInAppBrowserNavigationController* nav = [[CDVInAppBrowserNavigationController alloc]
initWithRootViewController:self.inAppBrowserViewController];
nav.orientationDelegate = self.inAppBrowserViewController;
nav.navigationBarHidden = YES;
nav.modalPresentationStyle = self.inAppBrowserViewController.modalPresentationStyle;
__weak CDVWKInAppBrowser* weakSelf = self;
// Run later to avoid the "took a long time" log message.
dispatch_async(dispatch_get_main_queue(), ^{
if (weakSelf.inAppBrowserViewController != nil) {
float osVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
CGRect frame = [[UIScreen mainScreen] bounds];
if(initHidden && osVersion < 11){
frame.origin.x = -10000;
}
UIWindow *tmpWindow = [[UIWindow alloc] initWithFrame:frame];
UIViewController *tmpController = [[UIViewController alloc] init];
[tmpWindow setRootViewController:tmpController];
[tmpWindow setWindowLevel:UIWindowLevelNormal];
if(!initHidden || osVersion < 11){
[tmpWindow makeKeyAndVisible];
}
[tmpController presentViewController:nav animated:!noAnimate completion:nil];
}
});
}
- (void)hide:(CDVInvokedUrlCommand*)command
{
if (self.inAppBrowserViewController == nil) {
NSLog(@"Tried to hide IAB after it was closed.");
return;
}
if (_previousStatusBarStyle == -1) {
NSLog(@"Tried to hide IAB while already hidden");
return;
}
_previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
// Run later to avoid the "took a long time" log message.
dispatch_async(dispatch_get_main_queue(), ^{
if (self.inAppBrowserViewController != nil) {
_previousStatusBarStyle = -1;
[self.inAppBrowserViewController.presentingViewController dismissViewControllerAnimated:YES completion:nil];
}
});
}
- (void)openInCordovaWebView:(NSURL*)url withOptions:(NSString*)options
{
NSURLRequest* request = [NSURLRequest requestWithURL:url];
#ifdef __CORDOVA_4_0_0
// the webview engine itself will filter for this according to <allow-navigation> policy
// in config.xml for cordova-ios-4.0
[self.webViewEngine loadRequest:request];
#else
if ([self.commandDelegate URLIsWhitelisted:url]) {
[self.webView loadRequest:request];
} else { // this assumes the InAppBrowser can be excepted from the white-list
[self openInInAppBrowser:url withOptions:options];
}
#endif
}
- (void)openInSystem:(NSURL*)url
{
[[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginHandleOpenURLNotification object:url]];
[[UIApplication sharedApplication] openURL:url];
}
// This is a helper method for the inject{Script|Style}{Code|File} API calls, which
// provides a consistent method for injecting JavaScript code into the document.
//
// If a wrapper string is supplied, then the source string will be JSON-encoded (adding
// quotes) and wrapped using string formatting. (The wrapper string should have a single
// '%@' marker).
//
// If no wrapper is supplied, then the source string is executed directly.
- (void)injectDeferredObject:(NSString*)source withWrapper:(NSString*)jsWrapper
{
// Ensure a message handler bridge is created to communicate with the CDVWKInAppBrowserViewController
[self evaluateJavaScript: [NSString stringWithFormat:@"(function(w){if(!w._cdvMessageHandler) {w._cdvMessageHandler = function(id,d){w.webkit.messageHandlers.%@.postMessage({d:d, id:id});}}})(window)", IAB_BRIDGE_NAME]];
if (jsWrapper != nil) {
NSData* jsonData = [NSJSONSerialization dataWithJSONObject:@[source] options:0 error:nil];
NSString* sourceArrayString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
if (sourceArrayString) {
NSString* sourceString = [sourceArrayString substringWithRange:NSMakeRange(1, [sourceArrayString length] - 2)];
NSString* jsToInject = [NSString stringWithFormat:jsWrapper, sourceString];
[self evaluateJavaScript:jsToInject];
}
} else {
[self evaluateJavaScript:source];
}
}
//Synchronus helper for javascript evaluation
- (NSString *)evaluateJavaScript:(NSString *)script {
__block NSString *resultString = nil;
__block BOOL finished = NO;
__block NSString* _script = script;
[self.inAppBrowserViewController.webView evaluateJavaScript:script completionHandler:^(id result, NSError *error) {
if (error == nil) {
if (result != nil) {
resultString = result;
NSLog(@"%@", resultString);
}
} else {
NSLog(@"evaluateJavaScript error : %@ : %@", error.localizedDescription, _script);
}
finished = YES;
}];
while (!finished)
{
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
}
return resultString;
}
- (void)injectScriptCode:(CDVInvokedUrlCommand*)command
{
NSString* jsWrapper = nil;
if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) {
jsWrapper = [NSString stringWithFormat:@"_cdvMessageHandler('%@',JSON.stringify([eval(%%@)]));", command.callbackId];
}
[self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper];
}
- (void)injectScriptFile:(CDVInvokedUrlCommand*)command
{
NSString* jsWrapper;
if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) {
jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('script'); c.src = %%@; c.onload = function() { _cdvMessageHandler('%@'); }; d.body.appendChild(c); })(document)", command.callbackId];
} else {
jsWrapper = @"(function(d) { var c = d.createElement('script'); c.src = %@; d.body.appendChild(c); })(document)";
}
[self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper];
}
- (void)injectStyleCode:(CDVInvokedUrlCommand*)command
{
NSString* jsWrapper;
if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) {
jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('style'); c.innerHTML = %%@; c.onload = function() { _cdvMessageHandler('%@'); }; d.body.appendChild(c); })(document)", command.callbackId];
} else {
jsWrapper = @"(function(d) { var c = d.createElement('style'); c.innerHTML = %@; d.body.appendChild(c); })(document)";
}
[self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper];
}
- (void)injectStyleFile:(CDVInvokedUrlCommand*)command
{
NSString* jsWrapper;
if ((command.callbackId != nil) && ![command.callbackId isEqualToString:@"INVALID"]) {
jsWrapper = [NSString stringWithFormat:@"(function(d) { var c = d.createElement('link'); c.rel='stylesheet'; c.type='text/css'; c.href = %%@; c.onload = function() { _cdvMessageHandler('%@'); }; d.body.appendChild(c); })(document)", command.callbackId];
} else {
jsWrapper = @"(function(d) { var c = d.createElement('link'); c.rel='stylesheet', c.type='text/css'; c.href = %@; d.body.appendChild(c); })(document)";
}
[self injectDeferredObject:[command argumentAtIndex:0] withWrapper:jsWrapper];
}
- (BOOL)isValidCallbackId:(NSString *)callbackId
{
NSError *err = nil;
// Initialize on first use
if (self.callbackIdPattern == nil) {
self.callbackIdPattern = [NSRegularExpression regularExpressionWithPattern:@"^InAppBrowser[0-9]{1,10}$" options:0 error:&err];
if (err != nil) {
// Couldn't initialize Regex; No is safer than Yes.
return NO;
}
}
if ([self.callbackIdPattern firstMatchInString:callbackId options:0 range:NSMakeRange(0, [callbackId length])]) {
return YES;
}
return NO;
}
/**
* The message handler bridge provided for the InAppBrowser is capable of executing any oustanding callback belonging
* to the InAppBrowser plugin. Care has been taken that other callbacks cannot be triggered, and that no
* other code execution is possible.
*/
- (BOOL)webView:(WKWebView*)theWebView decidePolicyForNavigationAction:(NSURLRequest*)request
{
NSURL* url = request.URL;
BOOL isTopLevelNavigation = [request.URL isEqual:[request mainDocumentURL]];
//if is an app store link, let the system handle it, otherwise it fails to load it
if ([[ url scheme] isEqualToString:@"itms-appss"] || [[ url scheme] isEqualToString:@"itms-apps"]) {
[theWebView stopLoading];
[self openInSystem:url];
return NO;
}
else if ((self.callbackId != nil) && isTopLevelNavigation) {
// Send a loadstart event for each top-level navigation (includes redirects).
CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
messageAsDictionary:@{@"type":@"loadstart", @"url":[url absoluteString]}];
[pluginResult setKeepCallback:[NSNumber numberWithBool:YES]];
[self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId];
}
return YES;
}
#pragma mark WKScriptMessageHandler delegate
- (void)userContentController:(nonnull WKUserContentController *)userContentController didReceiveScriptMessage:(nonnull WKScriptMessage *)message {
CDVPluginResult* pluginResult = nil;
NSDictionary* messageContent = (NSDictionary*) message.body;
NSString* scriptCallbackId = messageContent[@"id"];
if([messageContent objectForKey:@"d"]){
NSString* scriptResult = messageContent[@"d"];
NSError* __autoreleasing error = nil;
NSData* decodedResult = [NSJSONSerialization JSONObjectWithData:[scriptResult dataUsingEncoding:NSUTF8StringEncoding] options:kNilOptions error:&error];
if ((error == nil) && [decodedResult isKindOfClass:[NSArray class]]) {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:(NSArray*)decodedResult];
} else {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_JSON_EXCEPTION];
}
} else {
pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:@[]];
}
[self.commandDelegate sendPluginResult:pluginResult callbackId:scriptCallbackId];
}
- (void)didStartProvisionalNavigation:(WKWebView*)theWebView
{
NSLog(@"didStartProvisionalNavigation");
// self.inAppBrowserViewController.currentURL = theWebView.URL;
}
- (void)didFinishNavigation:(WKWebView*)theWebView
{
if (self.callbackId != nil) {
NSString* url = [theWebView.URL absoluteString];
if(url == nil){
if(self.inAppBrowserViewController.currentURL != nil){
url = [self.inAppBrowserViewController.currentURL absoluteString];
}else{
url = @"";
}
}
CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
messageAsDictionary:@{@"type":@"loadstop", @"url":url}];
[pluginResult setKeepCallback:[NSNumber numberWithBool:YES]];
[self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId];
}
}
- (void)webView:(WKWebView*)theWebView didFailNavigation:(NSError*)error
{
if (self.callbackId != nil) {
NSString* url = [theWebView.URL absoluteString];
if(url == nil){
if(self.inAppBrowserViewController.currentURL != nil){
url = [self.inAppBrowserViewController.currentURL absoluteString];
}else{
url = @"";
}
}
CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR
messageAsDictionary:@{@"type":@"loaderror", @"url":url, @"code": [NSNumber numberWithInteger:error.code], @"message": error.localizedDescription}];
[pluginResult setKeepCallback:[NSNumber numberWithBool:YES]];
[self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId];
}
}
- (void)browserExit
{
if (self.callbackId != nil) {
CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK
messageAsDictionary:@{@"type":@"exit"}];
[self.commandDelegate sendPluginResult:pluginResult callbackId:self.callbackId];
self.callbackId = nil;
}
[self.inAppBrowserViewController.configuration.userContentController removeScriptMessageHandlerForName:IAB_BRIDGE_NAME];
self.inAppBrowserViewController.configuration = nil;
[self.inAppBrowserViewController.webView stopLoading];
[self.inAppBrowserViewController.webView removeFromSuperview];
[self.inAppBrowserViewController.webView setUIDelegate:nil];
[self.inAppBrowserViewController.webView setNavigationDelegate:nil];
self.inAppBrowserViewController.webView = nil;
// Set navigationDelegate to nil to ensure no callbacks are received from it.
self.inAppBrowserViewController.navigationDelegate = nil;
self.inAppBrowserViewController = nil;
if (IsAtLeastiOSVersion(@"7.0")) {
if (_previousStatusBarStyle != -1) {
[[UIApplication sharedApplication] setStatusBarStyle:_previousStatusBarStyle];
}
}
_previousStatusBarStyle = -1; // this value was reset before reapplying it. caused statusbar to stay black on ios7
}
@end //CDVWKInAppBrowser
#pragma mark CDVWKInAppBrowserViewController
@implementation CDVWKInAppBrowserViewController
@synthesize currentURL;
BOOL viewRenderedAtLeastOnce = FALSE;
BOOL isExiting = FALSE;
- (id)initWithUserAgent:(NSString*)userAgent prevUserAgent:(NSString*)prevUserAgent browserOptions: (CDVInAppBrowserOptions*) browserOptions
{
self = [super init];
if (self != nil) {
_userAgent = userAgent;
_prevUserAgent = prevUserAgent;
_browserOptions = browserOptions;
self.webViewUIDelegate = [[CDVWKInAppBrowserUIDelegate alloc] initWithTitle:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]];
[self.webViewUIDelegate setViewController:self];
[self createViews];
}
return self;
}
-(void)dealloc {
//NSLog(@"dealloc");
}
- (void)createViews
{
// We create the views in code for primarily for ease of upgrades and not requiring an external .xib to be included
CGRect webViewBounds = self.view.bounds;
BOOL toolbarIsAtBottom = ![_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop];
webViewBounds.size.height -= _browserOptions.location ? FOOTER_HEIGHT : TOOLBAR_HEIGHT;
WKUserContentController* userContentController = [[WKUserContentController alloc] init];
WKWebViewConfiguration* configuration = [[WKWebViewConfiguration alloc] init];
configuration.userContentController = userContentController;
#if __has_include("CDVWKProcessPoolFactory.h")
configuration.processPool = [[CDVWKProcessPoolFactory sharedFactory] sharedProcessPool];
#endif
[configuration.userContentController addScriptMessageHandler:self name:IAB_BRIDGE_NAME];
//WKWebView options
configuration.ignoresViewportScaleLimits = _browserOptions.enableviewportscale;
configuration.allowsInlineMediaPlayback = _browserOptions.allowinlinemediaplayback;
if(_browserOptions.mediaplaybackrequiresuseraction == YES){
configuration.mediaTypesRequiringUserActionForPlayback = WKAudiovisualMediaTypeAll;
}else{
configuration.mediaTypesRequiringUserActionForPlayback = WKAudiovisualMediaTypeNone;
}
self.webView = [[WKWebView alloc] initWithFrame:webViewBounds configuration:configuration];
[self.view addSubview:self.webView];
[self.view sendSubviewToBack:self.webView];
self.webView.navigationDelegate = self;
self.webView.UIDelegate = self.webViewUIDelegate;
self.webView.backgroundColor = [UIColor whiteColor];
self.webView.clearsContextBeforeDrawing = YES;
self.webView.clipsToBounds = YES;
self.webView.contentMode = UIViewContentModeScaleToFill;
self.webView.multipleTouchEnabled = YES;
self.webView.opaque = YES;
self.webView.userInteractionEnabled = YES;
self.automaticallyAdjustsScrollViewInsets = YES ;
[self.webView setAutoresizingMask:UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth];
self.webView.allowsLinkPreview = NO;
self.webView.allowsBackForwardNavigationGestures = NO;
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
if (@available(iOS 11.0, *)) {
[self.webView.scrollView setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever];
}
#endif
self.spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
self.spinner.alpha = 1.000;
self.spinner.autoresizesSubviews = YES;
self.spinner.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin);
self.spinner.clearsContextBeforeDrawing = NO;
self.spinner.clipsToBounds = NO;
self.spinner.contentMode = UIViewContentModeScaleToFill;
self.spinner.frame = CGRectMake(CGRectGetMidX(self.webView.frame), CGRectGetMidY(self.webView.frame), 20.0, 20.0);
self.spinner.hidden = NO;
self.spinner.hidesWhenStopped = YES;
self.spinner.multipleTouchEnabled = NO;
self.spinner.opaque = NO;
self.spinner.userInteractionEnabled = NO;
[self.spinner stopAnimating];
self.closeButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(close)];
self.closeButton.enabled = YES;
UIBarButtonItem* flexibleSpaceButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
UIBarButtonItem* fixedSpaceButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
fixedSpaceButton.width = 20;
float toolbarY = toolbarIsAtBottom ? self.view.bounds.size.height - TOOLBAR_HEIGHT : 0.0;
CGRect toolbarFrame = CGRectMake(0.0, toolbarY, self.view.bounds.size.width, TOOLBAR_HEIGHT);
self.toolbar = [[UIToolbar alloc] initWithFrame:toolbarFrame];
self.toolbar.alpha = 1.000;
self.toolbar.autoresizesSubviews = YES;
self.toolbar.autoresizingMask = toolbarIsAtBottom ? (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin) : UIViewAutoresizingFlexibleWidth;
self.toolbar.barStyle = UIBarStyleBlackOpaque;
self.toolbar.clearsContextBeforeDrawing = NO;
self.toolbar.clipsToBounds = NO;
self.toolbar.contentMode = UIViewContentModeScaleToFill;
self.toolbar.hidden = NO;
self.toolbar.multipleTouchEnabled = NO;
self.toolbar.opaque = NO;
self.toolbar.userInteractionEnabled = YES;
if (_browserOptions.toolbarcolor != nil) { // Set toolbar color if user sets it in options
self.toolbar.barTintColor = [self colorFromHexString:_browserOptions.toolbarcolor];
}
if (!_browserOptions.toolbartranslucent) { // Set toolbar translucent to no if user sets it in options
self.toolbar.translucent = NO;
}
CGFloat labelInset = 5.0;
float locationBarY = toolbarIsAtBottom ? self.view.bounds.size.height - FOOTER_HEIGHT : self.view.bounds.size.height - LOCATIONBAR_HEIGHT;
self.addressLabel = [[UILabel alloc] initWithFrame:CGRectMake(labelInset, locationBarY, self.view.bounds.size.width - labelInset, LOCATIONBAR_HEIGHT)];
self.addressLabel.adjustsFontSizeToFitWidth = NO;
self.addressLabel.alpha = 1.000;
self.addressLabel.autoresizesSubviews = YES;
self.addressLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin;
self.addressLabel.backgroundColor = [UIColor clearColor];
self.addressLabel.baselineAdjustment = UIBaselineAdjustmentAlignCenters;
self.addressLabel.clearsContextBeforeDrawing = YES;
self.addressLabel.clipsToBounds = YES;
self.addressLabel.contentMode = UIViewContentModeScaleToFill;
self.addressLabel.enabled = YES;
self.addressLabel.hidden = NO;
self.addressLabel.lineBreakMode = NSLineBreakByTruncatingTail;
if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumScaleFactor:")]) {
[self.addressLabel setValue:@(10.0/[UIFont labelFontSize]) forKey:@"minimumScaleFactor"];
} else if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumFontSize:")]) {
[self.addressLabel setValue:@(10.0) forKey:@"minimumFontSize"];
}
self.addressLabel.multipleTouchEnabled = NO;
self.addressLabel.numberOfLines = 1;
self.addressLabel.opaque = NO;
self.addressLabel.shadowOffset = CGSizeMake(0.0, -1.0);
self.addressLabel.text = NSLocalizedString(@"Loading...", nil);
self.addressLabel.textAlignment = NSTextAlignmentLeft;
self.addressLabel.textColor = [UIColor colorWithWhite:1.000 alpha:1.000];
self.addressLabel.userInteractionEnabled = NO;
NSString* frontArrowString = NSLocalizedString(@"►", nil); // create arrow from Unicode char
self.forwardButton = [[UIBarButtonItem alloc] initWithTitle:frontArrowString style:UIBarButtonItemStylePlain target:self action:@selector(goForward:)];
self.forwardButton.enabled = YES;
self.forwardButton.imageInsets = UIEdgeInsetsZero;
if (_browserOptions.navigationbuttoncolor != nil) { // Set button color if user sets it in options
self.forwardButton.tintColor = [self colorFromHexString:_browserOptions.navigationbuttoncolor];
}
NSString* backArrowString = NSLocalizedString(@"◄", nil); // create arrow from Unicode char
self.backButton = [[UIBarButtonItem alloc] initWithTitle:backArrowString style:UIBarButtonItemStylePlain target:self action:@selector(goBack:)];
self.backButton.enabled = YES;
self.backButton.imageInsets = UIEdgeInsetsZero;
if (_browserOptions.navigationbuttoncolor != nil) { // Set button color if user sets it in options
self.backButton.tintColor = [self colorFromHexString:_browserOptions.navigationbuttoncolor];
}
// Filter out Navigation Buttons if user requests so
if (_browserOptions.hidenavigationbuttons) {
[self.toolbar setItems:@[self.closeButton, flexibleSpaceButton]];
} else {
[self.toolbar setItems:@[self.closeButton, flexibleSpaceButton, self.backButton, fixedSpaceButton, self.forwardButton]];
}
self.view.backgroundColor = [UIColor grayColor];
[self.view addSubview:self.toolbar];
[self.view addSubview:self.addressLabel];
[self.view addSubview:self.spinner];
}
- (void) setWebViewFrame : (CGRect) frame {
NSLog(@"Setting the WebView's frame to %@", NSStringFromCGRect(frame));
[self.webView setFrame:frame];
}
- (void)setCloseButtonTitle:(NSString*)title : (NSString*) colorString
{
// the advantage of using UIBarButtonSystemItemDone is the system will localize it for you automatically
// but, if you want to set this yourself, knock yourself out (we can't set the title for a system Done button, so we have to create a new one)
self.closeButton = nil;
// Initialize with title if title is set, otherwise the title will be 'Done' localized
self.closeButton = title != nil ? [[UIBarButtonItem alloc] initWithTitle:title style:UIBarButtonItemStyleBordered target:self action:@selector(close)] : [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(close)];
self.closeButton.enabled = YES;
// If color on closebutton is requested then initialize with that that color, otherwise use initialize with default
self.closeButton.tintColor = colorString != nil ? [self colorFromHexString:colorString] : [UIColor colorWithRed:60.0 / 255.0 green:136.0 / 255.0 blue:230.0 / 255.0 alpha:1];
NSMutableArray* items = [self.toolbar.items mutableCopy];
[items replaceObjectAtIndex:0 withObject:self.closeButton];
[self.toolbar setItems:items];
}
- (void)showLocationBar:(BOOL)show
{
CGRect locationbarFrame = self.addressLabel.frame;
BOOL toolbarVisible = !self.toolbar.hidden;
// prevent double show/hide
if (show == !(self.addressLabel.hidden)) {
return;
}
if (show) {
self.addressLabel.hidden = NO;
if (toolbarVisible) {
// toolBar at the bottom, leave as is
// put locationBar on top of the toolBar
CGRect webViewBounds = self.view.bounds;
webViewBounds.size.height -= FOOTER_HEIGHT;
[self setWebViewFrame:webViewBounds];
locationbarFrame.origin.y = webViewBounds.size.height;
self.addressLabel.frame = locationbarFrame;
} else {
// no toolBar, so put locationBar at the bottom
CGRect webViewBounds = self.view.bounds;
webViewBounds.size.height -= LOCATIONBAR_HEIGHT;
[self setWebViewFrame:webViewBounds];
locationbarFrame.origin.y = webViewBounds.size.height;
self.addressLabel.frame = locationbarFrame;
}
} else {
self.addressLabel.hidden = YES;
if (toolbarVisible) {
// locationBar is on top of toolBar, hide locationBar
// webView take up whole height less toolBar height
CGRect webViewBounds = self.view.bounds;
webViewBounds.size.height -= TOOLBAR_HEIGHT;
[self setWebViewFrame:webViewBounds];
} else {
// no toolBar, expand webView to screen dimensions
[self setWebViewFrame:self.view.bounds];
}
}
}
- (void)showToolBar:(BOOL)show : (NSString *) toolbarPosition
{
CGRect toolbarFrame = self.toolbar.frame;
CGRect locationbarFrame = self.addressLabel.frame;
BOOL locationbarVisible = !self.addressLabel.hidden;
// prevent double show/hide
if (show == !(self.toolbar.hidden)) {
return;
}
if (show) {
self.toolbar.hidden = NO;
CGRect webViewBounds = self.view.bounds;
if (locationbarVisible) {
// locationBar at the bottom, move locationBar up
// put toolBar at the bottom
webViewBounds.size.height -= FOOTER_HEIGHT;
locationbarFrame.origin.y = webViewBounds.size.height;
self.addressLabel.frame = locationbarFrame;
self.toolbar.frame = toolbarFrame;
} else {
// no locationBar, so put toolBar at the bottom
CGRect webViewBounds = self.view.bounds;
webViewBounds.size.height -= TOOLBAR_HEIGHT;
self.toolbar.frame = toolbarFrame;
}
if ([toolbarPosition isEqualToString:kInAppBrowserToolbarBarPositionTop]) {
toolbarFrame.origin.y = 0;
webViewBounds.origin.y += toolbarFrame.size.height;
[self setWebViewFrame:webViewBounds];
} else {
toolbarFrame.origin.y = (webViewBounds.size.height + LOCATIONBAR_HEIGHT);
}
[self setWebViewFrame:webViewBounds];
} else {
self.toolbar.hidden = YES;
if (locationbarVisible) {
// locationBar is on top of toolBar, hide toolBar
// put locationBar at the bottom
// webView take up whole height less locationBar height
CGRect webViewBounds = self.view.bounds;
webViewBounds.size.height -= LOCATIONBAR_HEIGHT;
[self setWebViewFrame:webViewBounds];
// move locationBar down
locationbarFrame.origin.y = webViewBounds.size.height;
self.addressLabel.frame = locationbarFrame;
} else {
// no locationBar, expand webView to screen dimensions
[self setWebViewFrame:self.view.bounds];
}
}
}
- (void)viewDidLoad
{
viewRenderedAtLeastOnce = FALSE;
[super viewDidLoad];
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
if (isExiting && (self.navigationDelegate != nil) && [self.navigationDelegate respondsToSelector:@selector(browserExit)]) {
[self.navigationDelegate browserExit];
isExiting = FALSE;
}
}
- (UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleDefault;
}
- (BOOL)prefersStatusBarHidden {
return NO;
}
- (void)close
{
[CDVUserAgentUtil releaseLock:&_userAgentLockToken];
self.currentURL = nil;
__weak UIViewController* weakSelf = self;
// Run later to avoid the "took a long time" log message.
dispatch_async(dispatch_get_main_queue(), ^{
isExiting = TRUE;
if ([weakSelf respondsToSelector:@selector(presentingViewController)]) {
[[weakSelf presentingViewController] dismissViewControllerAnimated:YES completion:nil];
} else {
[[weakSelf parentViewController] dismissViewControllerAnimated:YES completion:nil];
}
});
}
- (void)navigateTo:(NSURL*)url
{
NSURLRequest* request = [NSURLRequest requestWithURL:url];
if (_userAgentLockToken != 0) {
[self.webView loadRequest:request];
} else {
__weak CDVWKInAppBrowserViewController* weakSelf = self;
[CDVUserAgentUtil acquireLock:^(NSInteger lockToken) {
_userAgentLockToken = lockToken;
[CDVUserAgentUtil setUserAgent:_userAgent lockToken:lockToken];
[weakSelf.webView loadRequest:request];
}];
}
}
- (void)goBack:(id)sender
{