| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_ANDROID_BACKGROUND_TAB_MANAGER_H_ |
| #define CHROME_BROWSER_ANDROID_BACKGROUND_TAB_MANAGER_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/memory/raw_ptr.h" |
| #include "base/memory/singleton.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| class Profile; |
| |
| namespace history { |
| struct HistoryAddPageArgs; |
| class HistoryService; |
| } |
| |
| namespace chrome { |
| namespace android { |
| |
| class BackgroundTabManager; |
| |
| // BackgroundTabManager is responsible for storing state backgrounded tabs. |
| // State managed include : |
| // - The Profile that is associated with the content. |
| // - Browser History which is cached when the tab is hidden and committed when |
| // shown. |
| // All methods should be called on the UI thread. |
| class BackgroundTabManager |
| : public content::WebContentsUserData<BackgroundTabManager> { |
| public: |
| BackgroundTabManager(content::WebContents* web_contents, Profile* profile); |
| |
| ~BackgroundTabManager() override; |
| |
| // Called when the Tab is no longer a background tab. Unregisters the |
| // UserData. |
| void UnregisterBackgroundTab(); |
| |
| // Retrieves the profile that was stored during background tab registration. |
| Profile* GetProfile() const; |
| |
| // Cache a single history item, to be either used by CommitHistory() or |
| // discarded by UnregisterBackgroundTab(). |
| void CacheHistory(const history::HistoryAddPageArgs& history_item); |
| |
| // Commit the history that was previously cached for this tab. Committing |
| // history clears it from the local cache. |
| void CommitHistory(history::HistoryService* history_service); |
| |
| private: |
| friend class content::WebContentsUserData<BackgroundTabManager>; |
| |
| raw_ptr<Profile> profile_; |
| std::vector<history::HistoryAddPageArgs> cached_history_; |
| |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| }; |
| |
| } // namespace android |
| } // namespace chrome |
| |
| #endif // CHROME_BROWSER_ANDROID_BACKGROUND_TAB_MANAGER_H_ |