diff options
Diffstat (limited to 'StoneIsland/plugins/cordova-plugin-wkwebview-engine/src/ios/CDVWKWebViewEngine.m')
| -rw-r--r-- | StoneIsland/plugins/cordova-plugin-wkwebview-engine/src/ios/CDVWKWebViewEngine.m | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/StoneIsland/plugins/cordova-plugin-wkwebview-engine/src/ios/CDVWKWebViewEngine.m b/StoneIsland/plugins/cordova-plugin-wkwebview-engine/src/ios/CDVWKWebViewEngine.m deleted file mode 100644 index e9ff2466..00000000 --- a/StoneIsland/plugins/cordova-plugin-wkwebview-engine/src/ios/CDVWKWebViewEngine.m +++ /dev/null @@ -1,480 +0,0 @@ -/* - 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 "CDVWKWebViewEngine.h" -#import "CDVWKWebViewUIDelegate.h" -#import "CDVWKProcessPoolFactory.h" -#import <Cordova/NSDictionary+CordovaPreferences.h> - -#import <objc/message.h> - -#define CDV_BRIDGE_NAME @"cordova" -#define CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR @"loadFileURL:allowingReadAccessToURL:" - -@interface CDVWKWeakScriptMessageHandler : NSObject <WKScriptMessageHandler> - -@property (nonatomic, weak, readonly) id<WKScriptMessageHandler>scriptMessageHandler; - -- (instancetype)initWithScriptMessageHandler:(id<WKScriptMessageHandler>)scriptMessageHandler; - -@end - - -@interface CDVWKWebViewEngine () - -@property (nonatomic, strong, readwrite) UIView* engineWebView; -@property (nonatomic, strong, readwrite) id <WKUIDelegate> uiDelegate; -@property (nonatomic, weak) id <WKScriptMessageHandler> weakScriptMessageHandler; - -@end - -// see forwardingTargetForSelector: selector comment for the reason for this pragma -#pragma clang diagnostic ignored "-Wprotocol" - -@implementation CDVWKWebViewEngine - -@synthesize engineWebView = _engineWebView; - -- (instancetype)initWithFrame:(CGRect)frame -{ - self = [super init]; - if (self) { - if (NSClassFromString(@"WKWebView") == nil) { - return nil; - } - - self.engineWebView = [[WKWebView alloc] initWithFrame:frame]; - } - - return self; -} - -- (WKWebViewConfiguration*) createConfigurationFromSettings:(NSDictionary*)settings -{ - WKWebViewConfiguration* configuration = [[WKWebViewConfiguration alloc] init]; - configuration.processPool = [[CDVWKProcessPoolFactory sharedFactory] sharedProcessPool]; - if (settings == nil) { - return configuration; - } - - configuration.allowsInlineMediaPlayback = [settings cordovaBoolSettingForKey:@"AllowInlineMediaPlayback" defaultValue:NO]; - configuration.mediaPlaybackRequiresUserAction = [settings cordovaBoolSettingForKey:@"MediaPlaybackRequiresUserAction" defaultValue:YES]; - configuration.suppressesIncrementalRendering = [settings cordovaBoolSettingForKey:@"SuppressesIncrementalRendering" defaultValue:NO]; - configuration.mediaPlaybackAllowsAirPlay = [settings cordovaBoolSettingForKey:@"MediaPlaybackAllowsAirPlay" defaultValue:YES]; - return configuration; -} - -- (void)pluginInitialize -{ - // viewController would be available now. we attempt to set all possible delegates to it, by default - NSDictionary* settings = self.commandDelegate.settings; - - self.uiDelegate = [[CDVWKWebViewUIDelegate alloc] initWithTitle:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]]; - - CDVWKWeakScriptMessageHandler *weakScriptMessageHandler = [[CDVWKWeakScriptMessageHandler alloc] initWithScriptMessageHandler:self]; - - WKUserContentController* userContentController = [[WKUserContentController alloc] init]; - [userContentController addScriptMessageHandler:weakScriptMessageHandler name:CDV_BRIDGE_NAME]; - - WKWebViewConfiguration* configuration = [self createConfigurationFromSettings:settings]; - configuration.userContentController = userContentController; - - // re-create WKWebView, since we need to update configuration - WKWebView* wkWebView = [[WKWebView alloc] initWithFrame:self.engineWebView.frame configuration:configuration]; - wkWebView.UIDelegate = self.uiDelegate; - self.engineWebView = wkWebView; - - if (IsAtLeastiOSVersion(@"9.0") && [self.viewController isKindOfClass:[CDVViewController class]]) { - wkWebView.customUserAgent = ((CDVViewController*) self.viewController).userAgent; - } - - if ([self.viewController conformsToProtocol:@protocol(WKUIDelegate)]) { - wkWebView.UIDelegate = (id <WKUIDelegate>)self.viewController; - } - - if ([self.viewController conformsToProtocol:@protocol(WKNavigationDelegate)]) { - wkWebView.navigationDelegate = (id <WKNavigationDelegate>)self.viewController; - } else { - wkWebView.navigationDelegate = (id <WKNavigationDelegate>)self; - } - - if ([self.viewController conformsToProtocol:@protocol(WKScriptMessageHandler)]) { - [wkWebView.configuration.userContentController addScriptMessageHandler:(id < WKScriptMessageHandler >)self.viewController name:CDV_BRIDGE_NAME]; - } - - [self updateSettings:settings]; - - // check if content thread has died on resume - NSLog(@"%@", @"CDVWKWebViewEngine will reload WKWebView if required on resume"); - [[NSNotificationCenter defaultCenter] - addObserver:self - selector:@selector(onAppWillEnterForeground:) - name:UIApplicationWillEnterForegroundNotification object:nil]; - - NSLog(@"Using WKWebView"); - - [self addURLObserver]; -} - -- (void)onReset { - [self addURLObserver]; -} - -static void * KVOContext = &KVOContext; - -- (void)addURLObserver { - if(!IsAtLeastiOSVersion(@"9.0")){ - [self.webView addObserver:self forKeyPath:@"URL" options:0 context:KVOContext]; - } -} - -- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context -{ - if (context == KVOContext) { - if (object == [self webView] && [keyPath isEqualToString: @"URL"] && [object valueForKeyPath:keyPath] == nil){ - NSLog(@"URL is nil. Reloading WKWebView"); - [(WKWebView*)_engineWebView reload]; - } - } else { - [super observeValueForKeyPath:keyPath ofObject:object change:change context:context]; - } -} - -- (void) onAppWillEnterForeground:(NSNotification*)notification { - if ([self shouldReloadWebView]) { - NSLog(@"%@", @"CDVWKWebViewEngine reloading!"); - [(WKWebView*)_engineWebView reload]; - } -} - -- (BOOL)shouldReloadWebView -{ - WKWebView* wkWebView = (WKWebView*)_engineWebView; - return [self shouldReloadWebView:wkWebView.URL title:wkWebView.title]; -} - -- (BOOL)shouldReloadWebView:(NSURL*)location title:(NSString*)title -{ - BOOL title_is_nil = (title == nil); - BOOL location_is_blank = [[location absoluteString] isEqualToString:@"about:blank"]; - - BOOL reload = (title_is_nil || location_is_blank); - -#ifdef DEBUG - NSLog(@"%@", @"CDVWKWebViewEngine shouldReloadWebView::"); - NSLog(@"CDVWKWebViewEngine shouldReloadWebView title: %@", title); - NSLog(@"CDVWKWebViewEngine shouldReloadWebView location: %@", [location absoluteString]); - NSLog(@"CDVWKWebViewEngine shouldReloadWebView reload: %u", reload); -#endif - - return reload; -} - - -- (id)loadRequest:(NSURLRequest*)request -{ - if ([self canLoadRequest:request]) { // can load, differentiate between file urls and other schemes - if (request.URL.fileURL) { - SEL wk_sel = NSSelectorFromString(CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR); - NSURL* readAccessUrl = [request.URL URLByDeletingLastPathComponent]; - return ((id (*)(id, SEL, id, id))objc_msgSend)(_engineWebView, wk_sel, request.URL, readAccessUrl); - } else { - return [(WKWebView*)_engineWebView loadRequest:request]; - } - } else { // can't load, print out error - NSString* errorHtml = [NSString stringWithFormat: - @"<!doctype html>" - @"<title>Error</title>" - @"<div style='font-size:2em'>" - @" <p>The WebView engine '%@' is unable to load the request: %@</p>" - @" <p>Most likely the cause of the error is that the loading of file urls is not supported in iOS %@.</p>" - @"</div>", - NSStringFromClass([self class]), - [request.URL description], - [[UIDevice currentDevice] systemVersion] - ]; - return [self loadHTMLString:errorHtml baseURL:nil]; - } -} - -- (id)loadHTMLString:(NSString*)string baseURL:(NSURL*)baseURL -{ - return [(WKWebView*)_engineWebView loadHTMLString:string baseURL:baseURL]; -} - -- (NSURL*) URL -{ - return [(WKWebView*)_engineWebView URL]; -} - -- (BOOL) canLoadRequest:(NSURLRequest*)request -{ - // See: https://issues.apache.org/jira/browse/CB-9636 - SEL wk_sel = NSSelectorFromString(CDV_WKWEBVIEW_FILE_URL_LOAD_SELECTOR); - - // if it's a file URL, check whether WKWebView has the selector (which is in iOS 9 and up only) - if (request.URL.fileURL) { - return [_engineWebView respondsToSelector:wk_sel]; - } else { - return YES; - } -} - -- (void)updateSettings:(NSDictionary*)settings -{ - WKWebView* wkWebView = (WKWebView*)_engineWebView; - - wkWebView.configuration.preferences.minimumFontSize = [settings cordovaFloatSettingForKey:@"MinimumFontSize" defaultValue:0.0]; - - /* - wkWebView.configuration.preferences.javaScriptEnabled = [settings cordovaBoolSettingForKey:@"JavaScriptEnabled" default:YES]; - wkWebView.configuration.preferences.javaScriptCanOpenWindowsAutomatically = [settings cordovaBoolSettingForKey:@"JavaScriptCanOpenWindowsAutomatically" default:NO]; - */ - - // By default, DisallowOverscroll is false (thus bounce is allowed) - BOOL bounceAllowed = !([settings cordovaBoolSettingForKey:@"DisallowOverscroll" defaultValue:NO]); - - // prevent webView from bouncing - if (!bounceAllowed) { - if ([wkWebView respondsToSelector:@selector(scrollView)]) { - ((UIScrollView*)[wkWebView scrollView]).bounces = NO; - } else { - for (id subview in wkWebView.subviews) { - if ([[subview class] isSubclassOfClass:[UIScrollView class]]) { - ((UIScrollView*)subview).bounces = NO; - } - } - } - } - - NSString* decelerationSetting = [settings cordovaSettingForKey:@"WKWebViewDecelerationSpeed"]; - if (!decelerationSetting) { - // Fallback to the UIWebView-named preference - decelerationSetting = [settings cordovaSettingForKey:@"UIWebViewDecelerationSpeed"]; - } - - if (![@"fast" isEqualToString:decelerationSetting]) { - [wkWebView.scrollView setDecelerationRate:UIScrollViewDecelerationRateNormal]; - } else { - [wkWebView.scrollView setDecelerationRate:UIScrollViewDecelerationRateFast]; - } - - wkWebView.allowsBackForwardNavigationGestures = [settings cordovaBoolSettingForKey:@"AllowBackForwardNavigationGestures" defaultValue:NO]; -} - -- (void)updateWithInfo:(NSDictionary*)info -{ - NSDictionary* scriptMessageHandlers = [info objectForKey:kCDVWebViewEngineScriptMessageHandlers]; - NSDictionary* settings = [info objectForKey:kCDVWebViewEngineWebViewPreferences]; - id navigationDelegate = [info objectForKey:kCDVWebViewEngineWKNavigationDelegate]; - id uiDelegate = [info objectForKey:kCDVWebViewEngineWKUIDelegate]; - - WKWebView* wkWebView = (WKWebView*)_engineWebView; - - if (scriptMessageHandlers && [scriptMessageHandlers isKindOfClass:[NSDictionary class]]) { - NSArray* allKeys = [scriptMessageHandlers allKeys]; - - for (NSString* key in allKeys) { - id object = [scriptMessageHandlers objectForKey:key]; - if ([object conformsToProtocol:@protocol(WKScriptMessageHandler)]) { - [wkWebView.configuration.userContentController addScriptMessageHandler:object name:key]; - } - } - } - - if (navigationDelegate && [navigationDelegate conformsToProtocol:@protocol(WKNavigationDelegate)]) { - wkWebView.navigationDelegate = navigationDelegate; - } - - if (uiDelegate && [uiDelegate conformsToProtocol:@protocol(WKUIDelegate)]) { - wkWebView.UIDelegate = uiDelegate; - } - - if (settings && [settings isKindOfClass:[NSDictionary class]]) { - [self updateSettings:settings]; - } -} - -// This forwards the methods that are in the header that are not implemented here. -// Both WKWebView and UIWebView implement the below: -// loadHTMLString:baseURL: -// loadRequest: -- (id)forwardingTargetForSelector:(SEL)aSelector -{ - return _engineWebView; -} - -- (UIView*)webView -{ - return self.engineWebView; -} - -#pragma mark WKScriptMessageHandler implementation - -- (void)userContentController:(WKUserContentController*)userContentController didReceiveScriptMessage:(WKScriptMessage*)message -{ - if (![message.name isEqualToString:CDV_BRIDGE_NAME]) { - return; - } - - CDVViewController* vc = (CDVViewController*)self.viewController; - - NSArray* jsonEntry = message.body; // NSString:callbackId, NSString:service, NSString:action, NSArray:args - CDVInvokedUrlCommand* command = [CDVInvokedUrlCommand commandFromJson:jsonEntry]; - CDV_EXEC_LOG(@"Exec(%@): Calling %@.%@", command.callbackId, command.className, command.methodName); - - if (![vc.commandQueue execute:command]) { -#ifdef DEBUG - NSError* error = nil; - NSString* commandJson = nil; - NSData* jsonData = [NSJSONSerialization dataWithJSONObject:jsonEntry - options:0 - error:&error]; - - if (error == nil) { - commandJson = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding]; - } - - static NSUInteger maxLogLength = 1024; - NSString* commandString = ([commandJson length] > maxLogLength) ? - [NSString stringWithFormat : @"%@[...]", [commandJson substringToIndex:maxLogLength]] : - commandJson; - - NSLog(@"FAILED pluginJSON = %@", commandString); -#endif - } -} - -#pragma mark WKNavigationDelegate implementation - -- (void)webView:(WKWebView*)webView didStartProvisionalNavigation:(WKNavigation*)navigation -{ - [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginResetNotification object:webView]]; -} - -- (void)webView:(WKWebView*)webView didFinishNavigation:(WKNavigation*)navigation -{ - CDVViewController* vc = (CDVViewController*)self.viewController; - [CDVUserAgentUtil releaseLock:vc.userAgentLockToken]; - - [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPageDidLoadNotification object:webView]]; -} - -- (void)webView:(WKWebView*)theWebView didFailProvisionalNavigation:(WKNavigation*)navigation withError:(NSError*)error -{ - [self webView:theWebView didFailNavigation:navigation withError:error]; -} - -- (void)webView:(WKWebView*)theWebView didFailNavigation:(WKNavigation*)navigation withError:(NSError*)error -{ - CDVViewController* vc = (CDVViewController*)self.viewController; - [CDVUserAgentUtil releaseLock:vc.userAgentLockToken]; - - NSString* message = [NSString stringWithFormat:@"Failed to load webpage with error: %@", [error localizedDescription]]; - NSLog(@"%@", message); - - NSURL* errorUrl = vc.errorURL; - if (errorUrl) { - errorUrl = [NSURL URLWithString:[NSString stringWithFormat:@"?error=%@", [message stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]] relativeToURL:errorUrl]; - NSLog(@"%@", [errorUrl absoluteString]); - [theWebView loadRequest:[NSURLRequest requestWithURL:errorUrl]]; - } -} - -- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView -{ - [webView reload]; -} - -- (BOOL)defaultResourcePolicyForURL:(NSURL*)url -{ - // all file:// urls are allowed - if ([url isFileURL]) { - return YES; - } - - return NO; -} - -- (void) webView: (WKWebView *) webView decidePolicyForNavigationAction: (WKNavigationAction*) navigationAction decisionHandler: (void (^)(WKNavigationActionPolicy)) decisionHandler -{ - NSURL* url = [navigationAction.request URL]; - CDVViewController* vc = (CDVViewController*)self.viewController; - - /* - * Give plugins the chance to handle the url - */ - BOOL anyPluginsResponded = NO; - BOOL shouldAllowRequest = NO; - - for (NSString* pluginName in vc.pluginObjects) { - CDVPlugin* plugin = [vc.pluginObjects objectForKey:pluginName]; - SEL selector = NSSelectorFromString(@"shouldOverrideLoadWithRequest:navigationType:"); - if ([plugin respondsToSelector:selector]) { - anyPluginsResponded = YES; - // https://issues.apache.org/jira/browse/CB-12497 - int navType = (int)navigationAction.navigationType; - if (WKNavigationTypeOther == navigationAction.navigationType) { - navType = (int)UIWebViewNavigationTypeOther; - } - shouldAllowRequest = (((BOOL (*)(id, SEL, id, int))objc_msgSend)(plugin, selector, navigationAction.request, navType)); - if (!shouldAllowRequest) { - break; - } - } - } - - if (anyPluginsResponded) { - return decisionHandler(shouldAllowRequest); - } - - /* - * Handle all other types of urls (tel:, sms:), and requests to load a url in the main webview. - */ - BOOL shouldAllowNavigation = [self defaultResourcePolicyForURL:url]; - if (shouldAllowNavigation) { - return decisionHandler(YES); - } else { - [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:CDVPluginHandleOpenURLNotification object:url]]; - } - - return decisionHandler(NO); -} - -@end - -#pragma mark - CDVWKWeakScriptMessageHandler - -@implementation CDVWKWeakScriptMessageHandler - -- (instancetype)initWithScriptMessageHandler:(id<WKScriptMessageHandler>)scriptMessageHandler -{ - self = [super init]; - if (self) { - _scriptMessageHandler = scriptMessageHandler; - } - return self; -} - -- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message -{ - [self.scriptMessageHandler userContentController:userContentController didReceiveScriptMessage:message]; -} - -@end |