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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import "ios/web/web_state/ui/crw_wk_web_view_web_controller.h" | 5 #import "ios/web/web_state/ui/crw_wk_web_view_web_controller.h" |
6 | 6 |
7 #import <WebKit/WebKit.h> | 7 #import <WebKit/WebKit.h> |
8 | 8 |
9 #include "base/ios/ios_util.h" | 9 #include "base/ios/ios_util.h" |
10 #include "base/ios/weak_nsobject.h" | 10 #include "base/ios/weak_nsobject.h" |
11 #include "base/json/json_reader.h" | 11 #include "base/json/json_reader.h" |
12 #include "base/mac/bind_objc_block.h" | |
12 #import "base/mac/scoped_nsobject.h" | 13 #import "base/mac/scoped_nsobject.h" |
13 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #import "base/memory/scoped_ptr.h" | |
14 #include "base/strings/sys_string_conversions.h" | 16 #include "base/strings/sys_string_conversions.h" |
15 #include "base/values.h" | 17 #include "base/values.h" |
16 #import "ios/net/http_response_headers_util.h" | 18 #import "ios/net/http_response_headers_util.h" |
17 #import "ios/web/crw_network_activity_indicator_manager.h" | 19 #import "ios/web/crw_network_activity_indicator_manager.h" |
18 #import "ios/web/navigation/crw_session_controller.h" | 20 #import "ios/web/navigation/crw_session_controller.h" |
19 #include "ios/web/navigation/web_load_params.h" | 21 #include "ios/web/navigation/web_load_params.h" |
22 #include "ios/web/net/cert_verifier_block_adapter.h" | |
23 #include "ios/web/public/browser_state.h" | |
20 #include "ios/web/public/web_client.h" | 24 #include "ios/web/public/web_client.h" |
25 #include "ios/web/public/web_thread.h" | |
21 #import "ios/web/public/web_state/js/crw_js_injection_manager.h" | 26 #import "ios/web/public/web_state/js/crw_js_injection_manager.h" |
22 #import "ios/web/public/web_state/ui/crw_native_content_provider.h" | 27 #import "ios/web/public/web_state/ui/crw_native_content_provider.h" |
23 #import "ios/web/public/web_state/ui/crw_web_view_content_view.h" | 28 #import "ios/web/public/web_state/ui/crw_web_view_content_view.h" |
24 #import "ios/web/ui_web_view_util.h" | 29 #import "ios/web/ui_web_view_util.h" |
25 #include "ios/web/web_state/blocked_popup_info.h" | 30 #include "ios/web/web_state/blocked_popup_info.h" |
26 #import "ios/web/web_state/error_translation_util.h" | 31 #import "ios/web/web_state/error_translation_util.h" |
27 #include "ios/web/web_state/frame_info.h" | 32 #include "ios/web/web_state/frame_info.h" |
28 #import "ios/web/web_state/js/crw_js_window_id_manager.h" | 33 #import "ios/web/web_state/js/crw_js_window_id_manager.h" |
29 #import "ios/web/web_state/js/page_script_util.h" | 34 #import "ios/web/web_state/js/page_script_util.h" |
30 #import "ios/web/web_state/ui/crw_web_controller+protected.h" | 35 #import "ios/web/web_state/ui/crw_web_controller+protected.h" |
31 #import "ios/web/web_state/ui/crw_wk_web_view_crash_detector.h" | 36 #import "ios/web/web_state/ui/crw_wk_web_view_crash_detector.h" |
32 #import "ios/web/web_state/ui/web_view_js_utils.h" | 37 #import "ios/web/web_state/ui/web_view_js_utils.h" |
33 #import "ios/web/web_state/ui/wk_web_view_configuration_provider.h" | 38 #import "ios/web/web_state/ui/wk_web_view_configuration_provider.h" |
34 #import "ios/web/web_state/web_state_impl.h" | 39 #import "ios/web/web_state/web_state_impl.h" |
35 #import "ios/web/web_state/web_view_internal_creation_util.h" | 40 #import "ios/web/web_state/web_view_internal_creation_util.h" |
36 #import "ios/web/webui/crw_web_ui_manager.h" | 41 #import "ios/web/webui/crw_web_ui_manager.h" |
37 #import "net/base/mac/url_conversions.h" | 42 #import "net/base/mac/url_conversions.h" |
43 #include "net/cert/cert_verify_result.h" | |
44 #include "net/ssl/ssl_config_service.h" | |
45 #include "net/url_request/url_request_context.h" | |
38 | 46 |
39 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) | 47 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) |
40 #include "ios/web/public/cert_store.h" | 48 #include "ios/web/public/cert_store.h" |
41 #include "ios/web/public/navigation_item.h" | 49 #include "ios/web/public/navigation_item.h" |
42 #include "ios/web/public/ssl_status.h" | 50 #include "ios/web/public/ssl_status.h" |
43 #import "ios/web/web_state/wk_web_view_security_util.h" | 51 #import "ios/web/web_state/wk_web_view_security_util.h" |
44 #include "net/cert/x509_certificate.h" | 52 #include "net/cert/x509_certificate.h" |
45 #include "net/ssl/ssl_info.h" | 53 #include "net/ssl/ssl_info.h" |
46 #endif | 54 #endif |
47 | 55 |
48 namespace { | 56 namespace { |
49 // Extracts Referer value from WKNavigationAction request header. | 57 // Extracts Referer value from WKNavigationAction request header. |
50 NSString* GetRefererFromNavigationAction(WKNavigationAction* action) { | 58 NSString* GetRefererFromNavigationAction(WKNavigationAction* action) { |
51 return [action.request valueForHTTPHeaderField:@"Referer"]; | 59 return [action.request valueForHTTPHeaderField:@"Referer"]; |
52 } | 60 } |
53 | 61 |
62 // Returns net::URLRequestContext obtained from the given |webState|. | |
63 net::URLRequestContext* GetURLRequestContext(web::WebState* webState) { | |
64 DCHECK(webState); | |
65 auto contextGetter = webState->GetBrowserState()->GetRequestContext(); | |
Ryan Sleevi
2015/08/06 03:07:09
This is not a valid (Chromium) use of auto
See th
Eugene But (OOO till 7-30)
2015/08/07 02:27:20
I used auto to avoid a linebreak. But I'm not very
| |
66 DCHECK(contextGetter); | |
67 return contextGetter->GetURLRequestContext(); | |
68 } | |
69 | |
54 NSString* const kScriptMessageName = @"crwebinvoke"; | 70 NSString* const kScriptMessageName = @"crwebinvoke"; |
55 NSString* const kScriptImmediateName = @"crwebinvokeimmediate"; | 71 NSString* const kScriptImmediateName = @"crwebinvokeimmediate"; |
56 | 72 |
57 // Utility functions for storing the source of NSErrors received by WKWebViews: | 73 // Utility functions for storing the source of NSErrors received by WKWebViews: |
58 // - Errors received by |-webView:didFailProvisionalNavigation:withError:| are | 74 // - Errors received by |-webView:didFailProvisionalNavigation:withError:| are |
59 // recorded using WKWebViewErrorSource::PROVISIONAL_LOAD. These should be | 75 // recorded using WKWebViewErrorSource::PROVISIONAL_LOAD. These should be |
60 // aborted. | 76 // aborted. |
61 // - Errors received by |-webView:didFailNavigation:withError:| are recorded | 77 // - Errors received by |-webView:didFailNavigation:withError:| are recorded |
62 // using WKWebViewsource::NAVIGATION. These errors should not be aborted, as | 78 // using WKWebViewsource::NAVIGATION. These errors should not be aborted, as |
63 // the WKWebView will automatically retry the load. | 79 // the WKWebView will automatically retry the load. |
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124 WKNavigationType _lastNavigationTypeForMainFrame; | 140 WKNavigationType _lastNavigationTypeForMainFrame; |
125 | 141 |
126 // Whether the web page is currently performing window.history.pushState or | 142 // Whether the web page is currently performing window.history.pushState or |
127 // window.history.replaceState | 143 // window.history.replaceState |
128 // Set to YES on window.history.willChangeState message. To NO on | 144 // Set to YES on window.history.willChangeState message. To NO on |
129 // window.history.didPushState or window.history.didReplaceState. | 145 // window.history.didPushState or window.history.didReplaceState. |
130 BOOL _changingHistoryState; | 146 BOOL _changingHistoryState; |
131 | 147 |
132 // CRWWebUIManager object for loading WebUI pages. | 148 // CRWWebUIManager object for loading WebUI pages. |
133 base::scoped_nsobject<CRWWebUIManager> _webUIManager; | 149 base::scoped_nsobject<CRWWebUIManager> _webUIManager; |
150 | |
151 // Backs up property with the same name. | |
152 scoped_ptr<net::CertVerifierBlockAdapter> _certVerifier; | |
134 } | 153 } |
135 | 154 |
136 // Response's MIME type of the last known navigation. | 155 // Response's MIME type of the last known navigation. |
137 @property(nonatomic, copy) NSString* documentMIMEType; | 156 @property(nonatomic, copy) NSString* documentMIMEType; |
138 | 157 |
139 // Dictionary where keys are the names of WKWebView properties and values are | 158 // Dictionary where keys are the names of WKWebView properties and values are |
140 // selector names which should be called when a corresponding property has | 159 // selector names which should be called when a corresponding property has |
141 // changed. e.g. @{ @"URL" : @"webViewURLDidChange" } means that | 160 // changed. e.g. @{ @"URL" : @"webViewURLDidChange" } means that |
142 // -[self webViewURLDidChange] must be called every time when WKWebView.URL is | 161 // -[self webViewURLDidChange] must be called every time when WKWebView.URL is |
143 // changed. | 162 // changed. |
144 @property(nonatomic, readonly) NSDictionary* wkWebViewObservers; | 163 @property(nonatomic, readonly) NSDictionary* wkWebViewObservers; |
145 | 164 |
146 // Activity indicator group ID for this web controller. | 165 // Activity indicator group ID for this web controller. |
147 @property(nonatomic, readonly) NSString* activityIndicatorGroupID; | 166 @property(nonatomic, readonly) NSString* activityIndicatorGroupID; |
148 | 167 |
149 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) | 168 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) |
150 // Identifier used for storing and retrieving certificates. | 169 // Identifier used for storing and retrieving certificates. |
151 @property(nonatomic, readonly) int certGroupID; | 170 @property(nonatomic, readonly) int certGroupID; |
152 #endif // #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) | 171 #endif // #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) |
153 | 172 |
173 // Cert verification flags. Must be called on IO Thread. | |
174 @property(nonatomic, readonly) net::CertVerifier::VerifyFlags certVerifyFlags; | |
175 | |
176 // Cert verification object which wraps net::CertVerifier. Must be called on | |
177 // IO Thread. | |
178 @property(nonatomic, readonly) net::CertVerifierBlockAdapter* certVerifier; | |
179 | |
154 // Returns the WKWebViewConfigurationProvider associated with the web | 180 // Returns the WKWebViewConfigurationProvider associated with the web |
155 // controller's BrowserState. | 181 // controller's BrowserState. |
156 - (web::WKWebViewConfigurationProvider&)webViewConfigurationProvider; | 182 - (web::WKWebViewConfigurationProvider&)webViewConfigurationProvider; |
157 | 183 |
158 // Creates a web view with given |config|. No-op if web view is already created. | 184 // Creates a web view with given |config|. No-op if web view is already created. |
159 - (void)ensureWebViewCreatedWithConfiguration:(WKWebViewConfiguration*)config; | 185 - (void)ensureWebViewCreatedWithConfiguration:(WKWebViewConfiguration*)config; |
160 | 186 |
161 // Returns a new autoreleased web view created with given configuration. | 187 // Returns a new autoreleased web view created with given configuration. |
162 - (WKWebView*)createWebViewWithConfiguration:(WKWebViewConfiguration*)config; | 188 - (WKWebView*)createWebViewWithConfiguration:(WKWebViewConfiguration*)config; |
163 | 189 |
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233 // _documentURL, and informs the superclass of the change. | 259 // _documentURL, and informs the superclass of the change. |
234 - (void)URLDidChangeWithoutDocumentChange:(const GURL&)URL; | 260 - (void)URLDidChangeWithoutDocumentChange:(const GURL&)URL; |
235 | 261 |
236 // Returns new autoreleased instance of WKUserContentController which has | 262 // Returns new autoreleased instance of WKUserContentController which has |
237 // early page script. | 263 // early page script. |
238 - (WKUserContentController*)createUserContentController; | 264 - (WKUserContentController*)createUserContentController; |
239 | 265 |
240 // Attempts to handle a script message. Returns YES on success, NO otherwise. | 266 // Attempts to handle a script message. Returns YES on success, NO otherwise. |
241 - (BOOL)respondToWKScriptMessage:(WKScriptMessage*)scriptMessage; | 267 - (BOOL)respondToWKScriptMessage:(WKScriptMessage*)scriptMessage; |
242 | 268 |
269 // Verifies the given |cert| for the given |host| and calls |block| on | |
270 // completion. |block| can not be null and will be called asynchronously on the | |
271 // main thread. | |
272 - (void)verifyCert:(scoped_refptr<net::X509Certificate>)cert | |
273 forHost:(NSString*)host | |
274 completionHandler:(void (^)(net::CertVerifyResult, int))block; | |
275 | |
243 // Used to decide whether a load that generates errors with the | 276 // Used to decide whether a load that generates errors with the |
244 // NSURLErrorCancelled code should be cancelled. | 277 // NSURLErrorCancelled code should be cancelled. |
245 - (BOOL)shouldAbortLoadForCancelledError:(NSError*)error; | 278 - (BOOL)shouldAbortLoadForCancelledError:(NSError*)error; |
246 | 279 |
247 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) | 280 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) |
248 // Called when WKWebView estimatedProgress has been changed. | 281 // Called when WKWebView estimatedProgress has been changed. |
249 - (void)webViewEstimatedProgressDidChange; | 282 - (void)webViewEstimatedProgressDidChange; |
250 | 283 |
251 // Called when WKWebView certificateChain or hasOnlySecureContent property has | 284 // Called when WKWebView certificateChain or hasOnlySecureContent property has |
252 // changed. | 285 // changed. |
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496 } | 529 } |
497 | 530 |
498 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) | 531 #if !defined(ENABLE_CHROME_NET_STACK_FOR_WKWEBVIEW) |
499 - (int)certGroupID { | 532 - (int)certGroupID { |
500 DCHECK(self.webStateImpl); | 533 DCHECK(self.webStateImpl); |
501 // Request tracker IDs are used as certificate groups. | 534 // Request tracker IDs are used as certificate groups. |
502 return self.webStateImpl->GetRequestTracker()->identifier(); | 535 return self.webStateImpl->GetRequestTracker()->identifier(); |
503 } | 536 } |
504 #endif | 537 #endif |
505 | 538 |
539 - (net::CertVerifier::VerifyFlags)certVerifyFlags { | |
540 net::URLRequestContext* context = GetURLRequestContext(self.webState); | |
541 DCHECK(context); | |
542 net::SSLConfigService* SSLConfigService = context->ssl_config_service(); | |
543 DCHECK(SSLConfigService); | |
544 net::SSLConfig config; | |
545 SSLConfigService->GetSSLConfig(&config); | |
546 return static_cast<net::CertVerifier::VerifyFlags>( | |
547 config.GetCertVerifyFlags()); | |
548 } | |
549 | |
550 - (net::CertVerifierBlockAdapter*)certVerifier { | |
551 if (!_certVerifier) { | |
Ryan Sleevi
2015/08/06 03:07:09
Why do you lazily create this?
Eugene But (OOO till 7-30)
2015/08/07 02:27:20
I can't create this in -init, because GetURLReques
| |
552 net::URLRequestContext* context = GetURLRequestContext(self.webState); | |
553 DCHECK(context); | |
554 _certVerifier.reset( | |
555 new net::CertVerifierBlockAdapter(context->cert_verifier())); | |
556 } | |
557 return _certVerifier.get(); | |
558 } | |
559 | |
506 - (web::WKWebViewConfigurationProvider&)webViewConfigurationProvider { | 560 - (web::WKWebViewConfigurationProvider&)webViewConfigurationProvider { |
507 DCHECK(self.webStateImpl); | 561 DCHECK(self.webStateImpl); |
508 web::BrowserState* browserState = self.webStateImpl->GetBrowserState(); | 562 web::BrowserState* browserState = self.webStateImpl->GetBrowserState(); |
509 return web::WKWebViewConfigurationProvider::FromBrowserState(browserState); | 563 return web::WKWebViewConfigurationProvider::FromBrowserState(browserState); |
510 } | 564 } |
511 | 565 |
512 - (void)ensureWebViewCreatedWithConfiguration:(WKWebViewConfiguration*)config { | 566 - (void)ensureWebViewCreatedWithConfiguration:(WKWebViewConfiguration*)config { |
513 if (!_wkWebView) { | 567 if (!_wkWebView) { |
514 // Use a separate userContentController for each web view. | 568 // Use a separate userContentController for each web view. |
515 // WKUserContentController does not allow adding multiple script message | 569 // WKUserContentController does not allow adding multiple script message |
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845 (*handlers)["window.history.willChangeState"] = | 899 (*handlers)["window.history.willChangeState"] = |
846 @selector(handleWindowHistoryWillChangeStateMessage:context:); | 900 @selector(handleWindowHistoryWillChangeStateMessage:context:); |
847 }); | 901 }); |
848 DCHECK(handlers); | 902 DCHECK(handlers); |
849 auto iter = handlers->find(command); | 903 auto iter = handlers->find(command); |
850 return iter != handlers->end() | 904 return iter != handlers->end() |
851 ? iter->second | 905 ? iter->second |
852 : [super selectorToHandleJavaScriptCommand:command]; | 906 : [super selectorToHandleJavaScriptCommand:command]; |
853 } | 907 } |
854 | 908 |
909 - (void)verifyCert:(scoped_refptr<net::X509Certificate>)cert | |
910 forHost:(NSString*)host | |
911 completionHandler:(void (^)(net::CertVerifyResult, int))completionHandler { | |
912 DCHECK(completionHandler); | |
913 base::WeakNSObject<CRWWKWebViewWebController> weakSelf(self); | |
914 web::WebThread::PostTask(web::WebThread::IO, FROM_HERE, base::BindBlock(^{ | |
915 // WeakNSObject does not work across different threads, hence this block | |
916 // retains self. | |
917 if ([self isBeingDestroyed]) { | |
918 completionHandler(net::CertVerifyResult(), net::ERR_FAILED); | |
919 return; | |
920 } | |
921 | |
922 std::string hostname = base::SysNSStringToUTF8(host); | |
923 net::CertVerifierBlockAdapter::Params params(cert, hostname); | |
924 params.ocsp_response = ""; // Not provided by iOS API. | |
925 params.flags = self.certVerifyFlags; | |
926 params.crl_set = net::SSLConfigService::GetCRLSet().Pass(); | |
927 | |
928 self.certVerifier->Verify( | |
929 params, ^(net::CertVerifyResult result, int status) { | |
930 dispatch_async(dispatch_get_main_queue(), ^{ | |
931 completionHandler(result, status); | |
932 }); | |
933 }); | |
934 })); | |
935 } | |
936 | |
855 - (BOOL)shouldAbortLoadForCancelledError:(NSError*)error { | 937 - (BOOL)shouldAbortLoadForCancelledError:(NSError*)error { |
856 DCHECK_EQ(error.code, NSURLErrorCancelled); | 938 DCHECK_EQ(error.code, NSURLErrorCancelled); |
857 // Do not abort the load if it is for an app specific URL, as such errors | 939 // Do not abort the load if it is for an app specific URL, as such errors |
858 // are produced during the app specific URL load process. | 940 // are produced during the app specific URL load process. |
859 const GURL errorURL = | 941 const GURL errorURL = |
860 net::GURLWithNSURL(error.userInfo[NSURLErrorFailingURLErrorKey]); | 942 net::GURLWithNSURL(error.userInfo[NSURLErrorFailingURLErrorKey]); |
861 if (web::GetWebClient()->IsAppSpecificURL(errorURL)) | 943 if (web::GetWebClient()->IsAppSpecificURL(errorURL)) |
862 return NO; | 944 return NO; |
863 // Don't abort NSURLErrorCancelled errors originating from navigation | 945 // Don't abort NSURLErrorCancelled errors originating from navigation |
864 // as the WKWebView will automatically retry these loads. | 946 // as the WKWebView will automatically retry these loads. |
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1181 withError:(NSError *)error { | 1263 withError:(NSError *)error { |
1182 [self handleLoadError:WKWebViewErrorWithSource(error, NAVIGATION) | 1264 [self handleLoadError:WKWebViewErrorWithSource(error, NAVIGATION) |
1183 inMainFrame:YES]; | 1265 inMainFrame:YES]; |
1184 } | 1266 } |
1185 | 1267 |
1186 - (void)webView:(WKWebView *)webView | 1268 - (void)webView:(WKWebView *)webView |
1187 didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge | 1269 didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge |
1188 completionHandler: | 1270 completionHandler: |
1189 (void (^)(NSURLSessionAuthChallengeDisposition disposition, | 1271 (void (^)(NSURLSessionAuthChallengeDisposition disposition, |
1190 NSURLCredential *credential))completionHandler { | 1272 NSURLCredential *credential))completionHandler { |
1191 NOTIMPLEMENTED(); | 1273 if (![challenge.protectionSpace.authenticationMethod |
1192 completionHandler(NSURLSessionAuthChallengeRejectProtectionSpace, nil); | 1274 isEqual:NSURLAuthenticationMethodServerTrust]) { |
1275 completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil); | |
1276 return; | |
1277 } | |
1278 | |
1279 SecTrustRef trust = challenge.protectionSpace.serverTrust; | |
1280 scoped_refptr<net::X509Certificate> cert = web::CreateCertFromTrust(trust); | |
1281 [self verifyCert:cert | |
1282 forHost:challenge.protectionSpace.host | |
1283 completionHandler:^(net::CertVerifyResult result, int status) { | |
1284 bool isCertValid = status == net::OK && | |
1285 !net::IsCertStatusError(result.cert_status) && | |
1286 !net::IsCertStatusMinorError(result.cert_status); | |
1287 if (isCertValid) { | |
1288 // Cert is valid. | |
1289 } else { | |
1290 // Cert is invalid. | |
1291 } | |
1292 NOTIMPLEMENTED(); | |
1293 completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil); | |
1294 }]; | |
1193 } | 1295 } |
1194 | 1296 |
1195 - (void)webViewWebContentProcessDidTerminate:(WKWebView*)webView { | 1297 - (void)webViewWebContentProcessDidTerminate:(WKWebView*)webView { |
1196 [self webViewWebProcessDidCrash]; | 1298 [self webViewWebProcessDidCrash]; |
1197 } | 1299 } |
1198 | 1300 |
1199 #pragma mark WKUIDelegate Methods | 1301 #pragma mark WKUIDelegate Methods |
1200 | 1302 |
1201 - (WKWebView*)webView:(WKWebView*)webView | 1303 - (WKWebView*)webView:(WKWebView*)webView |
1202 createWebViewWithConfiguration:(WKWebViewConfiguration*)configuration | 1304 createWebViewWithConfiguration:(WKWebViewConfiguration*)configuration |
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1281 placeholderText:defaultText | 1383 placeholderText:defaultText |
1282 requestURL: | 1384 requestURL: |
1283 net::GURLWithNSURL(frame.request.URL) | 1385 net::GURLWithNSURL(frame.request.URL) |
1284 completionHandler:completionHandler]; | 1386 completionHandler:completionHandler]; |
1285 } else if (completionHandler) { | 1387 } else if (completionHandler) { |
1286 completionHandler(nil); | 1388 completionHandler(nil); |
1287 } | 1389 } |
1288 } | 1390 } |
1289 | 1391 |
1290 @end | 1392 @end |
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