chrome/browser/extensions/updater/extension_cache_delegate.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_UPDATER_EXTENSION_CACHE_DELEGATE_H_
   6 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_CACHE_DELEGATE_H_
   7
   8 #include <stddef.h>
   9
  10 #include "base/macros.h"
  11 #include "base/time/time.h"
  12
  13 namespace base {
  14
  15 class FilePath;
  16
  17 }  // namespace base
  18
  19 namespace extensions {
  20
  21 // This class is used to pass ExtensionCacheImpl's initialization parameters.
  22 // Every function of this class is called only once during ExtensionCacheImpl
  23 // construction.
  24 class ExtensionCacheDelegate {
  25  public:
  26   virtual ~ExtensionCacheDelegate();
  27
  28   virtual const base::FilePath& GetCacheDir() const = 0;
  29
  30   virtual size_t GetMinimumCacheSize() const;
  31   virtual size_t GetMaximumCacheSize() const;
  32   virtual base::TimeDelta GetMaximumCacheAge() const;
  33
  34  private:
  35   DISALLOW_ASSIGN(ExtensionCacheDelegate);
  36 };
  37
  38 }  // namespace extensions
  39
  40 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_CACHE_DELEGATE_H_