| // 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_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |
| #define CHROME_BROWSER_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |
| |
| class Profile; |
| |
| // Observer of events during session restore. This observer does not cover |
| // SessionRestoreImpl::RestoreForeignTab() which restores a single foreign tab. |
| class SessionRestoreObserver { |
| public: |
| // OnSessionRestoreStartedLoadingTabs() is called from session restore |
| // prior to creating the first tab from session restore. Session restore may |
| // do processing before this, and if no tabs are created (there was no |
| // previous session, or perhaps the data was corrupt) this is not called. |
| // OnSessionRestoreStartedLoadingTabs() is *not* called if another session |
| // restore is triggered while waiting for a load to complete. |
| virtual void OnSessionRestoreStartedLoadingTabs() {} |
| |
| // OnSessionRestoreFinishedLoadingTabs() is called once all the tabs created |
| // by session restore have completed loading (or loading is canceled because |
| // of memory pressure). This is called on the last session restore when |
| // multiple concurrent session restores (on all profiles) occur. |
| virtual void OnSessionRestoreFinishedLoadingTabs() {} |
| |
| // OnGotSession() is called right after windows are read from the last session |
| // restore file. If windows are read by AppSessionService for app windows, |
| // `for_app` is true. Otherwise, `for_app` is false. This function is used |
| // for debug only. |
| virtual void OnGotSession(Profile* profile, bool for_app, int window_count) {} |
| }; |
| |
| #endif // CHROME_BROWSER_SESSIONS_SESSION_RESTORE_OBSERVER_H_ |
