chrome/browser/extensions/plugin_manager.h

   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 <set>
   9 #include <string>
  10
  11 #include "base/scoped_observer.h"
  12 #include "extensions/browser/browser_context_keyed_api_factory.h"
  13 #include "extensions/browser/extension_registry_observer.h"
  14 #include "extensions/common/manifest_handlers/nacl_modules_handler.h"
  15
  16 class GURL;
  17 class Profile;
  18
  19 namespace content {
  20 class BrowserContext;
  21 }
  22
  23 namespace extensions {
  24 class ExtensionRegistry;
  25
  26 class PluginManager : public BrowserContextKeyedAPI,
  27                       public ExtensionRegistryObserver {
  28  public:
  29   explicit PluginManager(content::BrowserContext* context);
  30   ~PluginManager() override;
  31
  32   // BrowserContextKeyedAPI implementation.
  33   static BrowserContextKeyedAPIFactory<PluginManager>* GetFactoryInstance();
  34
  35  private:
  36   friend class BrowserContextKeyedAPIFactory<PluginManager>;
  37
  38 #if !defined(DISABLE_NACL)
  39
  40   // We implement some Pepper plugins using NaCl to take advantage of NaCl's
  41   // strong sandbox. Typically, these NaCl modules are stored in extensions
  42   // and registered here. Not all NaCl modules need to register for a MIME
  43   // type, just the ones that are responsible for rendering a particular MIME
  44   // type, like application/pdf. Note: We only register NaCl modules in the
  45   // browser process.
  46   void RegisterNaClModule(const NaClModuleInfo& info);
  47   void UnregisterNaClModule(const NaClModuleInfo& info);
  48
  49   // Call UpdatePluginListWithNaClModules() after registering or unregistering
  50   // a NaCl module to see those changes reflected in the PluginList.
  51   void UpdatePluginListWithNaClModules();
  52
  53   extensions::NaClModuleInfo::List::iterator FindNaClModule(const GURL& url);
  54
  55 #endif  // !defined(DISABLE_NACL)
  56
  57   // ExtensionRegistryObserver implementation.
  58   void OnExtensionLoaded(content::BrowserContext* browser_context,
  59                          const Extension* extension) override;
  60   void OnExtensionUnloaded(content::BrowserContext* browser_context,
  61                            const Extension* extension,
  62                            UnloadedExtensionInfo::Reason reason) override;
  63
  64   // BrowserContextKeyedAPI implementation.
  65   static const char* service_name() { return "PluginManager"; }
  66   static const bool kServiceIsNULLWhileTesting = true;
  67
  68   extensions::NaClModuleInfo::List nacl_module_list_;
  69
  70   Profile* profile_;
  71
  72   // Listen to extension load, unloaded notifications.
  73   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
  74       extension_registry_observer_;
  75 };
  76
  77 }  // namespace extensions
  78
  79 #endif  // CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_