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 "base/scoped_observer.h"
   9 #include "chrome/common/extensions/manifest_handlers/nacl_modules_handler.h"
  10 #include "extensions/browser/browser_context_keyed_api_factory.h"
  11 #include "extensions/browser/extension_registry_observer.h"
  12
  13 class GURL;
  14 class Profile;
  15
  16 namespace content {
  17 class BrowserContext;
  18 }
  19
  20 namespace extensions {
  21 class ExtensionRegistry;
  22
  23 class PluginManager : public BrowserContextKeyedAPI,
  24                       public ExtensionRegistryObserver {
  25  public:
  26   explicit PluginManager(content::BrowserContext* context);
  27   virtual ~PluginManager();
  28
  29   // BrowserContextKeyedAPI implementation.
  30   static BrowserContextKeyedAPIFactory<PluginManager>* GetFactoryInstance();
  31
  32  private:
  33   friend class BrowserContextKeyedAPIFactory<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   // ExtensionRegistryObserver implementation.
  51   virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
  52                                  const Extension* extension) OVERRIDE;
  53   virtual void OnExtensionUnloaded(
  54       content::BrowserContext* browser_context,
  55       const Extension* extension,
  56       UnloadedExtensionInfo::Reason reason) OVERRIDE;
  57
  58   // BrowserContextKeyedAPI implementation.
  59   static const char* service_name() { return "PluginManager"; }
  60   static const bool kServiceIsNULLWhileTesting = true;
  61
  62   extensions::NaClModuleInfo::List nacl_module_list_;
  63
  64   Profile* profile_;
  65
  66   // Listen to extension load, unloaded notifications.
  67   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
  68       extension_registry_observer_;
  69 };
  70
  71 }  // namespace extensions
  72
  73 #endif  // CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_