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 16class GURL; 17class Profile; 18 19namespace content { 20class BrowserContext; 21} 22 23namespace extensions { 24class ExtensionRegistry; 25 26class PluginManager : public BrowserContextKeyedAPI, 27 public ExtensionRegistryObserver { 28 public: 29 explicit PluginManager(content::BrowserContext* context); 30 virtual ~PluginManager(); 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 plug-ins 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 virtual void OnExtensionLoaded(content::BrowserContext* browser_context, 59 const Extension* extension) OVERRIDE; 60 virtual void OnExtensionUnloaded( 61 content::BrowserContext* browser_context, 62 const Extension* extension, 63 UnloadedExtensionInfo::Reason reason) OVERRIDE; 64 65 // BrowserContextKeyedAPI implementation. 66 static const char* service_name() { return "PluginManager"; } 67 static const bool kServiceIsNULLWhileTesting = true; 68 69 extensions::NaClModuleInfo::List nacl_module_list_; 70 71 Profile* profile_; 72 73 // Listen to extension load, unloaded notifications. 74 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> 75 extension_registry_observer_; 76}; 77 78} // namespace extensions 79 80#endif // CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_ 81