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// Copyright 2012 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_UI_TABS_PINNED_TAB_SERVICE_H_
#define CHROME_BROWSER_UI_TABS_PINNED_TAB_SERVICE_H_
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "components/keyed_service/core/keyed_service.h"
class Profile;
// PinnedTabService is responsible for updating preferences with the set of
// pinned tabs to restore at startup. PinnedTabService listens for the
// appropriate set of notifications to know it should update preferences.
class PinnedTabService : public BrowserListObserver,
public TabStripModelObserver,
public KeyedService {
public:
explicit PinnedTabService(Profile* profile);
PinnedTabService(const PinnedTabService&) = delete;
PinnedTabService& operator=(const PinnedTabService&) = delete;
~PinnedTabService() override;
private:
// Invoked with true when all browsers start closing.
void OnClosingAllBrowsersChanged(bool closing);
// BrowserListObserver:
void OnBrowserAdded(Browser* browser) override;
void OnBrowserClosing(Browser* browser) override;
void OnBrowserRemoved(Browser* browser) override;
// TabStripModelObserver:
void OnTabStripModelChanged(
TabStripModel* tab_strip_model,
const TabStripModelChange& change,
const TabStripSelectionChange& selection) override;
// Writes the pinned tabs for |profile_|, but only if a new tab or browser
// window has been added since the last time the method was called.
void WritePinnedTabsIfNecessary();
raw_ptr<Profile> profile_;
// True if we should save the pinned tabs when a browser window closes or the
// user exits the application. This is set to false after writing pinned tabs,
// and set back to true when new tabs or windows are added.
bool need_to_write_pinned_tabs_ = true;
base::CallbackListSubscription closing_all_browsers_subscription_;
};
#endif // CHROME_BROWSER_UI_TABS_PINNED_TAB_SERVICE_H_
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