Share PPAPI out-of-process plugins between renderer processes....

chrome/browser/plugin_service.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This class responds to requests from renderers for the list of plugins, and
 // also a proxy object for plugin instances.
 
 #ifndef CHROME_BROWSER_PLUGIN_SERVICE_H_
 #define CHROME_BROWSER_PLUGIN_SERVICE_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/hash_tables.h"
 #include "base/scoped_vector.h"
 #include "base/singleton.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "build/build_config.h"
 #include "chrome/browser/plugin_process_host.h"
+#include "chrome/browser/ppapi_plugin_process_host.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_channel_handle.h"
 #include "webkit/plugins/npapi/webplugininfo.h"
 
 #if defined(OS_WIN)
 #include "base/scoped_ptr.h"
 #include "base/win/registry.h"
 #endif
 
 #if defined(OS_LINUX)
 #include "chrome/browser/file_path_watcher/file_path_watcher.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class PluginSelectionPolicy;
 }
 #endif
 
 namespace IPC {
 class Message;
 }
 
 class MessageLoop;
+struct PepperPluginInfo;
+class PluginDirWatcherDelegate;
 class Profile;
-class PluginDirWatcherDelegate;
 class ResourceDispatcherHost;
 
 namespace net {
 class URLRequestContext;
 }  // namespace net
 
 // This must be created on the main thread but it's only called on the IO/file
 // thread.
 class PluginService
     : public base::WaitableEventWatcher::Delegate,
@@ skipping 21 matching lines @@
   // persistent data.
   void SetChromePluginDataDir(const FilePath& data_dir);
   const FilePath& GetChromePluginDataDir();
 
   // Gets the browser's UI locale.
   const std::string& GetUILocale();
 
   // Returns the plugin process host corresponding to the plugin process that
   // has been started by this service. Returns NULL if no process has been
   // started.
-  PluginProcessHost* FindPluginProcess(const FilePath& plugin_path);
+  PluginProcessHost* FindNpapiPluginProcess(const FilePath& plugin_path);
+  PpapiPluginProcessHost* FindPpapiPluginProcess(const FilePath& plugin_path);
 
   // Returns the plugin process host corresponding to the plugin process that
   // has been started by this service. This will start a process to host the
   // 'plugin_path' if needed. If the process fails to start, the return value
   // is NULL. Must be called on the IO thread.
-  PluginProcessHost* FindOrStartPluginProcess(const FilePath& plugin_path);
+  PluginProcessHost* FindOrStartNpapiPluginProcess(
+      const FilePath& plugin_path);
+  PpapiPluginProcessHost* FindOrStartPpapiPluginProcess(
+      const FilePath& plugin_path);
 
   // Opens a channel to a plugin process for the given mime type, starting
   // a new plugin process if necessary.  This must be called on the IO thread
   // or else a deadlock can occur.
-  void OpenChannelToPlugin(int render_process_id,
-                           int render_view_id,
-                           const GURL& url,
-                           const std::string& mime_type,
-                           PluginProcessHost::Client* client);
+  void OpenChannelToNpapiPlugin(int render_process_id,
+                                int render_view_id,
+                                const GURL& url,
+                                const std::string& mime_type,
+                                PluginProcessHost::Client* client);
+  void OpenChannelToPpapiPlugin(const FilePath& path,
+                                PpapiPluginProcessHost::Client* client);
 
   // Gets the first allowed plugin in the list of plugins that matches
   // the given url and mime type.  Must be called on the FILE thread.
   bool GetFirstAllowedPluginInfo(int render_process_id,
                                  int render_view_id,
                                  const GURL& url,
                                  const std::string& mime_type,
                                  webkit::npapi::WebPluginInfo* info,
                                  std::string* actual_mime_type);
 
@@ skipping 45 matching lines @@
       PluginProcessHost::Client* client);
 
 #if defined(OS_LINUX)
   // Registers a new FilePathWatcher for a given path.
   static void RegisterFilePathWatcher(
       FilePathWatcher* watcher,
       const FilePath& path,
       FilePathWatcher::Delegate* delegate);
 #endif
 
-  // mapping between plugin path and PluginProcessHost
-  typedef base::hash_map<FilePath, PluginProcessHost*> PluginMap;
-  PluginMap plugin_hosts_;
-
   // The main thread's message loop.
   MessageLoop* main_message_loop_;
 
   // The IO thread's resource dispatcher host.
   ResourceDispatcherHost* resource_dispatcher_host_;
 
   // The data directory that Chrome plugins should use to store persistent data.
   FilePath chrome_plugin_data_dir_;
 
   // The browser's UI locale.
@@ skipping 18 matching lines @@
   scoped_ptr<base::WaitableEvent> hklm_event_;
   base::WaitableEventWatcher hkcu_watcher_;
   base::WaitableEventWatcher hklm_watcher_;
 #endif
 
 #if defined(OS_LINUX)
   ScopedVector<FilePathWatcher> file_watchers_;
   scoped_refptr<PluginDirWatcherDelegate> file_watcher_delegate_;
 #endif
 
+  std::vector<PepperPluginInfo> ppapi_plugins_;
+
   // Set to true if chrome plugins are enabled. Defaults to true.
   static bool enable_chrome_plugins_;
 
   std::vector<OverriddenPlugin> overridden_plugins_;
   base::Lock overridden_plugins_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginService);
 };
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(PluginService);
 
 #endif  // CHROME_BROWSER_PLUGIN_SERVICE_H_