Move NPAPI implementation out of webkit/plugins/npapi and into content.

webkit/plugins/npapi/plugin_lib.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.
-
-#ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_
-#define WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/native_library.h"
-#include "build/build_config.h"
-#include "third_party/npapi/bindings/nphostapi.h"
-#include "webkit/plugins/npapi/webplugin.h"
-#include "webkit/plugins/webkit_plugins_export.h"
-#include "webkit/plugins/webplugininfo.h"
-
-namespace base {
-class FilePath;
-}
-
-namespace webkit {
-namespace npapi {
-
-class PluginInstance;
-
-// This struct holds entry points into a plugin.  The entry points are
-// slightly different between Win/Mac and Unixes.  Note that the interface for
-// querying plugins is synchronous and it is preferable to use a higher-level
-// asynchronous information to query information.
-struct PluginEntryPoints {
-#if !defined(OS_POSIX) || defined(OS_MACOSX)
-  NP_GetEntryPointsFunc np_getentrypoints;
-#endif
-  NP_InitializeFunc np_initialize;
-  NP_ShutdownFunc np_shutdown;
-};
-
-// A PluginLib is a single NPAPI Plugin Library, and is the lifecycle
-// manager for new PluginInstances.
-class WEBKIT_PLUGINS_EXPORT PluginLib : public base::RefCounted<PluginLib> {
- public:
-  static PluginLib* CreatePluginLib(const base::FilePath& filename);
-
-  // Unloads all the loaded plugin libraries and cleans up the plugin map.
-  static void UnloadAllPlugins();
-
-  // Shuts down all loaded plugin instances.
-  static void ShutdownAllPlugins();
-
-  // Get the Plugin's function pointer table.
-  NPPluginFuncs* functions();
-
-  // Creates a new instance of this plugin.
-  PluginInstance* CreateInstance(const std::string& mime_type);
-
-  // Called by the instance when the instance is tearing down.
-  void CloseInstance();
-
-  // Gets information about this plugin and the mime types that it
-  // supports.
-  const webkit::WebPluginInfo& plugin_info() { return web_plugin_info_; }
-
-  //
-  // NPAPI functions
-  //
-
-  // NPAPI method to initialize a Plugin.
-  // Initialize can be safely called multiple times
-  NPError NP_Initialize();
-
-  // NPAPI method to shutdown a Plugin.
-  void NP_Shutdown(void);
-
-  // NPAPI method to clear locally stored data (LSO's or "Flash cookies").
-  NPError NP_ClearSiteData(const char* site, uint64 flags, uint64 max_age);
-
-  // NPAPI method to get a NULL-terminated list of all sites under which data
-  // is stored.
-  char** NP_GetSitesWithData();
-
-  int instance_count() const { return instance_count_; }
-
-  // Prevents the library code from being unload when Unload() is called (since
-  // some plugins crash if unloaded).
-  void PreventLibraryUnload();
-
-  // Indicates whether plugin unload can be deferred.
-  void set_defer_unload(bool defer_unload) {
-    defer_unload_ = defer_unload;
-  }
-
-  // protected for testability.
- protected:
-  friend class base::RefCounted<PluginLib>;
-
-  // Creates a new PluginLib.
-  explicit PluginLib(const webkit::WebPluginInfo& info);
-
-  virtual ~PluginLib();
-
-  // Attempts to load the plugin from the library.
-  // Returns true if it is a legitimate plugin, false otherwise
-  bool Load();
-
-  // Unloads the plugin library.
-  void Unload();
-
-  // Shutdown the plugin library.
-  void Shutdown();
-
- private:
-  webkit::WebPluginInfo web_plugin_info_;  // Supported mime types, description
-  base::NativeLibrary library_;  // The opened library reference.
-  NPPluginFuncs plugin_funcs_;  // The struct of plugin side functions.
-  bool initialized_;  // Is the plugin initialized?
-  NPSavedData *saved_data_;  // Persisted plugin info for NPAPI.
-  int instance_count_;  // Count of plugins in use.
-  bool skip_unload_;  // True if library_ should not be unloaded.
-
-  // Function pointers to entry points into the plugin.
-  PluginEntryPoints entry_points_;
-
-  // Set to true if unloading of the plugin dll is to be deferred.
-  bool defer_unload_;
-
-  DISALLOW_COPY_AND_ASSIGN(PluginLib);
-};
-
-}  // namespace npapi
-}  // namespace webkit
-
-#endif  // WEBKIT_PLUGINS_NPAPI_PLUGIN_LIB_H_