1 // Copyright (c) 2012 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 CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_REGISTRY_H_ 6 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_REGISTRY_H_ 7 8 #include <list> 9 #include <map> 10 11 #include "base/memory/ref_counted.h" 12 #include "content/public/common/pepper_plugin_info.h" 13 14 namespace content { 15 class PluginModule; 16 17 // This class holds references to all of the known pepper plugin modules. 18 // 19 // It keeps two lists. One list of preloaded in-process modules, and one list 20 // is a list of all live modules (some of which may be out-of-process and hence 21 // not preloaded). 22 class PepperPluginRegistry { 23 public: 24 ~PepperPluginRegistry(); 25 26 static PepperPluginRegistry* GetInstance(); 27 28 // Retrieves the information associated with the given plugin info. The 29 // return value will be NULL if there is no such plugin. 30 // 31 // The returned pointer is owned by the PluginRegistry. 32 const PepperPluginInfo* GetInfoForPlugin(const WebPluginInfo& info); 33 34 // Returns an existing loaded module for the given path. It will search for 35 // both preloaded in-process or currently active (non crashed) out-of-process 36 // plugins matching the given name. Returns NULL if the plugin hasn't been 37 // loaded. 38 PluginModule* GetLiveModule(const base::FilePath& path); 39 40 // Notifies the registry that a new non-preloaded module has been created. 41 // This is normally called for out-of-process plugins. Once this is called, 42 // the module is available to be returned by GetModule(). The module will 43 // automatically unregister itself by calling PluginModuleDestroyed(). 44 void AddLiveModule(const base::FilePath& path, PluginModule* module); 45 46 void PluginModuleDead(PluginModule* dead_module); 47 48 private: 49 PepperPluginRegistry(); 50 51 // All known pepper plugins. 52 std::vector<PepperPluginInfo> plugin_list_; 53 54 // Plugins that have been preloaded so they can be executed in-process in 55 // the renderer (the sandbox prevents on-demand loading). 56 typedef std::map<base::FilePath, scoped_refptr<PluginModule> > 57 OwningModuleMap; 58 OwningModuleMap preloaded_modules_; 59 60 // A list of non-owning pointers to all currently-live plugin modules. This 61 // includes both preloaded ones in preloaded_modules_, and out-of-process 62 // modules whose lifetime is managed externally. This will contain only 63 // non-crashed modules. If an out-of-process module crashes, it may 64 // continue as long as there are WebKit references to it, but it will not 65 // appear in this list. 66 typedef std::map<base::FilePath, PluginModule*> NonOwningModuleMap; 67 NonOwningModuleMap live_modules_; 68 69 DISALLOW_COPY_AND_ASSIGN(PepperPluginRegistry); 70 }; 71 72 } // namespace content 73 74 #endif // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_REGISTRY_H_ 75
