| // Copyright 2012 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_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/sessions/session_service.h" |
| #include "components/sync/driver/sync_service_observer.h" |
| #include "components/sync_sessions/open_tabs_ui_delegate.h" |
| #include "content/public/browser/web_ui.h" |
| #include "content/public/browser/web_ui_message_handler.h" |
| |
| namespace sessions { |
| struct SessionTab; |
| struct SessionWindow; |
| } |
| |
| namespace syncer { |
| class SyncService; |
| } |
| |
| namespace user_prefs { |
| class PrefRegistrySyncable; |
| } |
| |
| namespace browser_sync { |
| |
| class ForeignSessionHandler : public content::WebUIMessageHandler, |
| public syncer::SyncServiceObserver { |
| public: |
| // Invalid value, used to note that we don't have a tab or window number. |
| static const int kInvalidId = -1; |
| |
| // WebUIMessageHandler implementation. |
| void RegisterMessages() override; |
| |
| ForeignSessionHandler(); |
| ~ForeignSessionHandler() override; |
| |
| static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
| |
| static void OpenForeignSessionTab(content::WebUI* web_ui, |
| const std::string& session_string_value, |
| SessionID::id_type window_num, |
| SessionID::id_type tab_id, |
| const WindowOpenDisposition& disposition); |
| |
| static void OpenForeignSessionWindows(content::WebUI* web_ui, |
| const std::string& session_string_value, |
| SessionID::id_type window_num); |
| |
| // Returns a pointer to the current session model associator or NULL. |
| static sync_sessions::OpenTabsUIDelegate* GetOpenTabsUIDelegate( |
| content::WebUI* web_ui); |
| |
| private: |
| // syncer::SyncServiceObserver: |
| void OnStateChanged() override {} |
| void OnSyncConfigurationCompleted() override; |
| void OnForeignSessionUpdated() override; |
| |
| // Returns true if tab sync is enabled for this profile, otherwise false. |
| bool IsTabSyncEnabled(); |
| |
| // Returns a string used to show the user when a session was last modified. |
| base::string16 FormatSessionTime(const base::Time& time); |
| |
| // Determines which session is to be opened, and then calls |
| // OpenForeignSession, to begin the process of opening a new browser window. |
| // This is a javascript callback handler. |
| void HandleOpenForeignSession(const base::ListValue* args); |
| |
| // Determines whether foreign sessions should be obtained from the sync model. |
| // This is a javascript callback handler, and it is also called when the sync |
| // model has changed and the new tab page needs to reflect the changes. |
| void HandleGetForeignSessions(const base::ListValue* args); |
| |
| // Delete a foreign session. This will remove it from the list of foreign |
| // sessions on all devices. It will reappear if the session is re-activated |
| // on the original device. |
| // This is a javascript callback handler. |
| void HandleDeleteForeignSession(const base::ListValue* args); |
| |
| void HandleSetForeignSessionCollapsed(const base::ListValue* args); |
| |
| // ScopedObserver used to observe the ProfileSyncService. |
| ScopedObserver<syncer::SyncService, syncer::SyncServiceObserver> |
| scoped_observer_; |
| |
| // The time at which this WebUI was created. Used to calculate how long |
| // the WebUI was present before the sessions data was visible. |
| base::TimeTicks load_attempt_time_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ForeignSessionHandler); |
| }; |
| |
| } // namespace browser_sync |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_FOREIGN_SESSION_HANDLER_H_ |