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