WebUI for WKWebView

ios/web/webui/crw_web_ui_manager.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IOS_WEB_WEBUI_CRW_WEB_UI_MANAGER_H_
+#define IOS_WEB_WEBUI_CRW_WEB_UI_MANAGER_H_
+
+#import <Foundation/Foundation.h>
+
+#import "ios/web/public/web_state/web_state_observer_bridge.h"
+#import "ios/web/webui/url_fetcher_block_adapter.h"
+
+class GURL;
+
+namespace web {
+class WebStateImpl;
+}  // namespace web
+
+// Class for managing WebUI pages. Manages fetching of resources and post-load
+// operations such as favicon loading. Initialized instances of CRWWebUIManager
+// will automatically register as an observer of webState, and should be kept in
+// scope for the lifetime of the WebUI page.
+@interface CRWWebUIManager : NSObject<CRWWebStateObserver>
+
+// Designated initializer.
+- (instancetype)initWithWebState:(web::WebStateImpl*)webState;
+
+@end
+
+@interface CRWWebUIManager (UsedOnlyForTesting)  // Testing API.
+
+// Returns URLFetcherBlockAdapter for fetching resource for URL. Can be
+// overwritten by test classes to mock resource retrieval.
+- (scoped_ptr<web::URLFetcherBlockAdapter>)
+        fetcherForURL:(const GURL&)URL
+    completionHandler:(web::URLFetcherBlockAdapterCompletion)handler;
+
+@end
+
+#endif  // IOS_WEB_WEBUI_CRW_WEB_UI_MANAGER_H_