chrome/browser/extensions/extension_migrator.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_MIGRATOR_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_MIGRATOR_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "chrome/browser/extensions/external_loader.h"
  12
  13 class Profile;
  14
  15 namespace extensions {
  16
  17 // An ExternalLoader that provides the new extension for the following
  18 // scenarios:
  19 //   - Existing profile that has the old.
  20 //   - Existing profile that already has the new.
  21 // Note that the old extension is not removed.
  22 class ExtensionMigrator : public ExternalLoader {
  23  public:
  24   ExtensionMigrator(Profile* profile,
  25                     const std::string& old_id,
  26                     const std::string& new_id);
  27
  28  protected:
  29   ~ExtensionMigrator() override;
  30
  31   // ExternalLoader:
  32   void StartLoading() override;
  33
  34  private:
  35   bool IsAppPresent(const std::string& app_id);
  36
  37   Profile* profile_;
  38   const std::string old_id_;
  39   const std::string new_id_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ExtensionMigrator);
  42 };
  43
  44 }  // namespace extensions
  45
  46 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MIGRATOR_H_