chrome/browser/chromeos/extensions/external_pref_cache_loader.h

   1 // Copyright (c) 2013 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_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_
   6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_
   7
   8 #include "chrome/browser/extensions/external_pref_loader.h"
   9
  10 namespace chromeos {
  11
  12 // A specialization of the ExternalPrefCacheLoader that caches crx files for
  13 // external extensions with update URL in common place for all users on the
  14 // machine.
  15 class ExternalPrefCacheLoader : public extensions::ExternalPrefLoader {
  16  public:
  17   // All instances of ExternalPrefCacheLoader use the same cache so
  18   // |base_path_id| must be the same for all profile in session.
  19   // It is checked in run-time with CHECK.
  20   explicit ExternalPrefCacheLoader(int base_path_id);
  21
  22   void OnExtensionListsUpdated(const base::DictionaryValue* prefs);
  23
  24  private:
  25   friend class base::RefCountedThreadSafe<ExternalLoader>;
  26
  27   virtual ~ExternalPrefCacheLoader();
  28
  29   virtual void StartLoading() OVERRIDE;
  30   virtual void LoadFinished() OVERRIDE;
  31
  32   DISALLOW_COPY_AND_ASSIGN(ExternalPrefCacheLoader);
  33 };
  34
  35 }  // namespace chromeos
  36
  37 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_