| // Copyright 2016 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_CHROME_BROWSER_WEB_NETWORK_ACTIVITY_INDICATOR_TAB_HELPER_H_ |
| #define IOS_CHROME_BROWSER_WEB_NETWORK_ACTIVITY_INDICATOR_TAB_HELPER_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| #import "base/mac/scoped_nsobject.h" |
| #include "base/macros.h" |
| #include "ios/web/public/web_state/web_state_observer.h" |
| #include "ios/web/public/web_state/web_state_user_data.h" |
| |
| @class NSString; |
| |
| // Handles listening to webState network activity to control network activity |
| // indicator. |
| class NetworkActivityIndicatorTabHelper |
| : public web::WebStateObserver, |
| public web::WebStateUserData<NetworkActivityIndicatorTabHelper> { |
| public: |
| ~NetworkActivityIndicatorTabHelper() override; |
| |
| static void CreateForWebState(web::WebState* web_state, NSString* tab_id); |
| |
| private: |
| NetworkActivityIndicatorTabHelper(web::WebState* web_state, NSString* tab_id); |
| |
| // web::WebStateObserver overrides: |
| void DidStartLoading() override; |
| void DidStopLoading() override; |
| |
| // Clears any network activity state associated with this activity. |
| void Stop(); |
| |
| // Key used to uniquely identify this activity. |
| base::scoped_nsobject<NSString> network_activity_key_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NetworkActivityIndicatorTabHelper); |
| }; |
| |
| #endif // IOS_CHROME_BROWSER_WEB_NETWORK_ACTIVITY_INDICATOR_TAB_HELPER_H_ |