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// 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_
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