| // Copyright 2018 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 COMPONENTS_AUTOFILL_IOS_FORM_UTIL_FORM_ACTIVITY_TAB_HELPER_H_ |
| #define COMPONENTS_AUTOFILL_IOS_FORM_UTIL_FORM_ACTIVITY_TAB_HELPER_H_ |
| |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "base/values.h" |
| #import "ios/web/public/web_state/ui/crw_web_view_proxy.h" |
| #include "ios/web/public/web_state/web_state_observer.h" |
| #import "ios/web/public/web_state/web_state_user_data.h" |
| |
| namespace autofill { |
| |
| class FormActivityObserver; |
| |
| // Observes user activity on web page forms and forwards form activity event to |
| // FormActivityObserver. |
| class FormActivityTabHelper |
| : public web::WebStateObserver, |
| public web::WebStateUserData<FormActivityTabHelper> { |
| public: |
| ~FormActivityTabHelper() override; |
| |
| static FormActivityTabHelper* GetOrCreateForWebState( |
| web::WebState* web_state); |
| |
| // Observer registration methods. |
| virtual void AddObserver(FormActivityObserver* observer); |
| virtual void RemoveObserver(FormActivityObserver* observer); |
| |
| private: |
| friend class web::WebStateUserData<FormActivityTabHelper>; |
| |
| // TestFormActivityTabHelper can be used by tests that want to simulate form |
| // events without loading page and executing JavaScript. |
| // To trigger events, TestFormActivityTabHelper will access |observer_|. |
| friend class TestFormActivityTabHelper; |
| |
| explicit FormActivityTabHelper(web::WebState* web_state); |
| |
| // WebStateObserver implementation. |
| void WebStateDestroyed(web::WebState* web_state) override; |
| |
| // Handler for "form.activity" JavaScript command. |
| bool HandleFormActivity(const base::DictionaryValue& message, |
| bool has_user_gesture, |
| bool form_in_main_frame, |
| web::WebFrame* sender_frame); |
| |
| // Handler for "form.submit" JavaScript command. |
| bool FormSubmissionHandler(const base::DictionaryValue& message, |
| bool has_user_gesture, |
| bool form_in_main_frame, |
| web::WebFrame* sender_frame); |
| |
| // Handler for "form.*" JavaScript command. Dispatch to more specific handler. |
| bool OnFormCommand(const base::DictionaryValue& message, |
| const GURL& url, |
| bool has_user_gesture, |
| bool form_in_main_frame, |
| web::WebFrame* sender_frame); |
| |
| // The WebState this instance is observing. Will be null after |
| // WebStateDestroyed has been called. |
| web::WebState* web_state_ = nullptr; |
| |
| // The observers. |
| base::ObserverList<FormActivityObserver>::Unchecked observers_; |
| |
| WEB_STATE_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(FormActivityTabHelper); |
| }; |
| |
| } // namespace autofill |
| |
| #endif // COMPONENTS_AUTOFILL_IOS_FORM_UTIL_FORM_ACTIVITY_TAB_HELPER_H_ |