extensions/browser/service_worker_manager.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 #include "base/macros.h"
   6 #include "base/scoped_observer.h"
   7 #include "extensions/browser/extension_registry_observer.h"
   8
   9 namespace content {
  10 class BrowserContext;
  11 }
  12
  13 namespace extensions {
  14
  15 // A helper class to manage extension service workers. Handles suspending
  16 // them when the extension is unloaded and removing them when the extension is
  17 // uninstalled.
  18 class ServiceWorkerManager : public ExtensionRegistryObserver {
  19  public:
  20   explicit ServiceWorkerManager(content::BrowserContext* browser_context);
  21   ~ServiceWorkerManager() override;
  22
  23  private:
  24   // ExtensionRegistryObserver:
  25   void OnExtensionUnloaded(content::BrowserContext* browser_context,
  26                            const Extension* extension,
  27                            UnloadedExtensionInfo::Reason reason) override;
  28   void OnExtensionUninstalled(content::BrowserContext* browser_context,
  29                               const Extension* extension,
  30                               extensions::UninstallReason reason) override;
  31
  32   content::BrowserContext* browser_context_;
  33
  34   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
  35       registry_observer_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerManager);
  38 };
  39
  40 }  // namespace extensions