chrome/browser/web_applications/external_web_app_manager.h

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_WEB_APPLICATIONS_EXTERNAL_WEB_APP_MANAGER_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_EXTERNAL_WEB_APP_MANAGER_H_

#include <vector>

#include "base/callback_forward.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/web_applications/components/external_install_options.h"

namespace base {
class FilePath;
}

class Profile;

namespace web_app {

class PendingAppManager;

class ExternalWebAppManager {
 public:
  explicit ExternalWebAppManager(Profile* profile);
  ~ExternalWebAppManager();

  void SetSubsystems(PendingAppManager* pending_app_manager);

  void Start();

  // Scans the given directory (non-recursively) for *.json files that define
  // "external web apps", the Web App analogs of "external extensions",
  // described at https://developer.chrome.com/apps/external_extensions
  //
  // This function performs file I/O, and must not be scheduled on UI threads.
  static std::vector<ExternalInstallOptions>
  ScanDirForExternalWebAppsForTesting(const base::FilePath& dir,
                                      Profile* profile);

  using ScanCallback =
      base::OnceCallback<void(std::vector<ExternalInstallOptions>)>;

  void ScanForExternalWebApps(ScanCallback callback);

 private:
  void OnScanForExternalWebApps(std::vector<ExternalInstallOptions>);

  PendingAppManager* pending_app_manager_ = nullptr;
  Profile* const profile_;

  base::WeakPtrFactory<ExternalWebAppManager> weak_ptr_factory_{this};

  DISALLOW_COPY_AND_ASSIGN(ExternalWebAppManager);
};

}  // namespace web_app

#endif  // CHROME_BROWSER_WEB_APPLICATIONS_EXTERNAL_WEB_APP_MANAGER_H_