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      1 // Copyright 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_EXTENSIONS_PLUGIN_MANAGER_H_
      6 #define CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_
      7 
      8 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
      9 #include "chrome/common/extensions/manifest_handlers/nacl_modules_handler.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 
     13 class GURL;
     14 class Profile;
     15 
     16 namespace extensions {
     17 
     18 class PluginManager : public ProfileKeyedAPI,
     19                       public content::NotificationObserver {
     20  public:
     21   explicit PluginManager(Profile* profile);
     22   virtual ~PluginManager();
     23 
     24   // ProfileKeyedAPI implementation.
     25   static ProfileKeyedAPIFactory<PluginManager>* GetFactoryInstance();
     26 
     27   // content::NotificationObserver impelmentation.
     28   virtual void Observe(int type,
     29                        const content::NotificationSource& source,
     30                        const content::NotificationDetails& details) OVERRIDE;
     31 
     32  private:
     33   friend class ProfileKeyedAPIFactory<PluginManager>;
     34 
     35   // We implement some Pepper plug-ins using NaCl to take advantage of NaCl's
     36   // strong sandbox. Typically, these NaCl modules are stored in extensions
     37   // and registered here. Not all NaCl modules need to register for a MIME
     38   // type, just the ones that are responsible for rendering a particular MIME
     39   // type, like application/pdf. Note: We only register NaCl modules in the
     40   // browser process.
     41   void RegisterNaClModule(const NaClModuleInfo& info);
     42   void UnregisterNaClModule(const NaClModuleInfo& info);
     43 
     44   // Call UpdatePluginListWithNaClModules() after registering or unregistering
     45   // a NaCl module to see those changes reflected in the PluginList.
     46   void UpdatePluginListWithNaClModules();
     47 
     48   extensions::NaClModuleInfo::List::iterator FindNaClModule(const GURL& url);
     49 
     50   // ProfileKeyedAPI implementation.
     51   static const char* service_name() { return "PluginManager"; }
     52   static const bool kServiceIsNULLWhileTesting = true;
     53 
     54   extensions::NaClModuleInfo::List nacl_module_list_;
     55 
     56   content::NotificationRegistrar registrar_;
     57 
     58   Profile* profile_;
     59 };
     60 
     61 }  // namespace extensions
     62 
     63 #endif  // CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_
     64