| // Copyright 2019 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 CHROME_BROWSER_TAB_CONTENTS_FORM_INTERACTION_TAB_HELPER_H_ |
| #define CHROME_BROWSER_TAB_CONTENTS_FORM_INTERACTION_TAB_HELPER_H_ |
| |
| #include "base/macros.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| namespace performance_manager { |
| class GraphOwned; |
| } |
| |
| // Tab helper that indicates if a tab contains forms that have been interacted |
| // with. |
| class FormInteractionTabHelper |
| : public content::WebContentsUserData<FormInteractionTabHelper> { |
| public: |
| // Must be called once to and passed to the PerformanceManager graph to start |
| // maintaining FormInteractionTabHelpers attached to WebContents. |
| static std::unique_ptr<performance_manager::GraphOwned> CreateGraphObserver(); |
| |
| ~FormInteractionTabHelper() override; |
| FormInteractionTabHelper(const FormInteractionTabHelper& other) = delete; |
| FormInteractionTabHelper& operator=(const FormInteractionTabHelper&) = delete; |
| |
| // Note: This function will always return false in tests that don't |
| // instantiate PerformanceManager. |
| bool had_form_interaction() const; |
| |
| void OnHadFormInteractionChangedForTesting(bool had_form_interaction) { |
| had_form_interaction_ = had_form_interaction; |
| } |
| |
| private: |
| friend class content::WebContentsUserData<FormInteractionTabHelper>; |
| class GraphObserver; |
| |
| explicit FormInteractionTabHelper(content::WebContents* contents); |
| |
| bool had_form_interaction_ = false; |
| |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| }; |
| |
| #endif // CHROME_BROWSER_TAB_CONTENTS_FORM_INTERACTION_TAB_HELPER_H_ |