chromium/chrome/browser/ui/browser_tab_restorer.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/user_metrics.h"
#include "base/metrics/user_metrics_action.h"
#include "base/supports_user_data.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "chrome/browser/ui/browser_live_tab_context.h"
#include "components/sessions/core/tab_restore_service.h"
#include "components/sessions/core/tab_restore_service_observer.h"

namespace chrome {
namespace {

const char kBrowserTabRestorerKey[] = …;

// BrowserTabRestorer is responsible for restoring a tab when the
// sessions::TabRestoreService finishes loading. A TabRestoreService is
// associated with a
// single Browser and deletes itself if the Browser is destroyed.
// BrowserTabRestorer is installed on the Profile (by way of user data), only
// one instance is created per profile at a time.
class BrowserTabRestorer : public sessions::TabRestoreServiceObserver,
                           public BrowserListObserver,
                           public base::SupportsUserData::Data { … };

BrowserTabRestorer::~BrowserTabRestorer() { … }

// static
void BrowserTabRestorer::CreateIfNecessary(Browser* browser) { … }

BrowserTabRestorer::BrowserTabRestorer(Browser* browser)
    : … { … }

void BrowserTabRestorer::TabRestoreServiceDestroyed(
    sessions::TabRestoreService* service) { … }

void BrowserTabRestorer::TabRestoreServiceLoaded(
    sessions::TabRestoreService* service) { … }

void BrowserTabRestorer::OnBrowserRemoved(Browser* browser) { … }

}  // namespace

void RestoreTab(Browser* browser) { … }

}  // namespace chrome