| // Copyright (c) 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_NTP_FOREIGN_SESSION_HANDLER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_ |
| |
| #include <vector> |
| |
| #include "base/time/time.h" |
| #include "chrome/browser/sessions/session_service.h" |
| #include "chrome/browser/sync/open_tabs_ui_delegate.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/web_ui.h" |
| #include "content/public/browser/web_ui_message_handler.h" |
| |
| namespace user_prefs { |
| class PrefRegistrySyncable; |
| } |
| |
| namespace browser_sync { |
| |
| class ForeignSessionHandler : public content::WebUIMessageHandler, |
| public content::NotificationObserver { |
| public: |
| // Invalid value, used to note that we don't have a tab or window number. |
| static const int kInvalidId = -1; |
| |
| // WebUIMessageHandler implementation. |
| virtual void RegisterMessages() override; |
| |
| ForeignSessionHandler(); |
| virtual ~ForeignSessionHandler() {} |
| |
| 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); |
| |
| // Helper method to create JSON compatible objects from Session objects. |
| static bool SessionTabToValue(const SessionTab& tab, |
| base::DictionaryValue* dictionary); |
| |
| // Returns a pointer to the current session model associator or NULL. |
| static OpenTabsUIDelegate* GetOpenTabsUIDelegate(content::WebUI* web_ui); |
| |
| private: |
| // Used to register ForeignSessionHandler for notifications. |
| void Init(); |
| |
| // Determines how ForeignSessionHandler will interact with the new tab page. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) 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); |
| |
| // Helper method to create JSON compatible objects from Session objects. |
| bool SessionWindowToValue(const SessionWindow& window, |
| base::DictionaryValue* dictionary); |
| |
| // The Registrar used to register ForeignSessionHandler for notifications. |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ForeignSessionHandler); |
| }; |
| |
| } // namespace browser_sync |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_NTP_FOREIGN_SESSION_HANDLER_H_ |