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// Copyright 2023 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_ORGANIZATION_TAB_DATA_H_
#define CHROME_BROWSER_UI_TABS_ORGANIZATION_TAB_DATA_H_
#include <optional>
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/ui/tabs/tab_model.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "components/tab_groups/tab_group_id.h"
#include "components/tabs/public/tab_interface.h"
#include "content/public/browser/web_contents_observer.h"
#include "url/gurl.h"
class TabStripModel;
namespace content {
class NavigationHandle;
} // namespace content
class TabData : public TabStripModelObserver,
public content::WebContentsObserver {
public:
// TODO(crbug.com/40070608) replace with opaque tab handle
using TabID = int;
class Observer {
public:
virtual ~Observer() = default;
virtual void OnTabDataUpdated(const TabData* tab_data) {}
virtual void OnTabDataDestroyed(TabID tab_id) {}
};
explicit TabData(tabs::TabInterface* tab);
~TabData() override;
TabID tab_id() const { return tab_.raw_value(); }
const TabStripModel* original_tab_strip_model() const {
return original_tab_strip_model_;
}
TabStripModel* original_tab_strip_model() {
return original_tab_strip_model_;
}
tabs::TabInterface* tab() const { return tab_.Get(); }
const GURL& original_url() const { return original_url_; }
void AddObserver(Observer* new_observer);
void RemoveObserver(Observer* new_observer);
// Checks if the Tab is still valid for an organization. If allowed_group_id
// is provided, will not exclude tabs on the basis of being part of that
// group.
bool IsValidForOrganizing(std::optional<tab_groups::TabGroupId>
allowed_group_id = std::nullopt) const;
// TabStripModelObserver:
void OnTabStripModelDestroyed(TabStripModel* tab_strip_model) override;
// content::WebContentsObserver
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
private:
void OnTabWillDetach(tabs::TabInterface* tab,
tabs::TabInterface::DetachReason reason);
void OnTabWillDiscardContents(tabs::TabInterface* tab,
content::WebContents* old_contents,
content::WebContents* new_contents);
// Notifies observers of the tab data that it has been updated.
void NotifyObserversOfUpdate();
raw_ptr<TabStripModel> original_tab_strip_model_;
tabs::TabHandle tab_;
const GURL original_url_;
base::ObserverList<Observer>::Unchecked observers_;
// Holds subscriptions for TabInterface callbacks.
std::vector<base::CallbackListSubscription> tab_subscriptions_;
};
#endif // CHROME_BROWSER_UI_TABS_ORGANIZATION_TAB_DATA_H_
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