// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SESSIONS_CONTENT_CONTENT_LIVE_TAB_H_
#define COMPONENTS_SESSIONS_CONTENT_CONTENT_LIVE_TAB_H_

#include "base/memory/raw_ptr.h"
#include "base/supports_user_data.h"
#include "components/sessions/content/content_serialized_navigation_builder.h"
#include "components/sessions/core/live_tab.h"
#include "components/sessions/core/sessions_export.h"
#include "content/public/browser/web_contents_user_data.h"

namespace content {
class WebContents;
class NavigationController;
}  // namespace content

class TabRestoreServiceImplTest;

namespace sessions {

// An implementation of LiveTab that is backed by content::WebContents for use
// on //content-based platforms.
class SESSIONS_EXPORT ContentLiveTab
    : public LiveTab,
      public content::WebContentsUserData<ContentLiveTab> {
 public:
  ContentLiveTab(const ContentLiveTab&) = delete;
  ContentLiveTab& operator=(const ContentLiveTab&) = delete;

  ~ContentLiveTab() override;

  // LiveTab:
  SessionID GetSessionID() const override;
  bool IsInitialBlankNavigation() override;
  int GetCurrentEntryIndex() override;
  int GetPendingEntryIndex() override;
  sessions::SerializedNavigationEntry GetEntryAtIndex(int index) override;
  sessions::SerializedNavigationEntry GetPendingEntry() override;
  int GetEntryCount() override;
  std::unique_ptr<tab_restore::PlatformSpecificTabData>
  GetPlatformSpecificTabData() override;
  SerializedUserAgentOverride GetUserAgentOverride() override;

 private:
  friend class content::WebContentsUserData<ContentLiveTab>;
  WEB_CONTENTS_USER_DATA_KEY_DECL();

  friend class ::TabRestoreServiceImplTest;

  explicit ContentLiveTab(content::WebContents* contents);

  content::NavigationController& navigation_controller() {
    return GetWebContents().GetController();
  }
};

}  // namespace sessions

#endif  // COMPONENTS_SESSIONS_CONTENT_CONTENT_LIVE_TAB_H_