New Pepper API implementation.

webkit/glue/plugins/pepper_plugin_module.h

+// Copyright (c) 2010 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_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
+#define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/native_library.h"
+#include "base/ref_counted.h"
+
+#include <set>
+
+typedef struct _pp_Module PP_Module;
+
+namespace pepper {
+
+class PluginDelegate;
+class PluginInstance;
+
+class PluginModule : public base::RefCounted<PluginModule> {
+ public:
+  ~PluginModule();
+
+  static scoped_refptr<PluginModule> CreateModule(const FilePath& filename);
+
+  // Converts the given module ID to an actual module object. Will return NULL
+  // if the module is invalid.
+  static PluginModule* FromPPModule(PP_Module module);
+
+  PP_Module GetPPModule() const;
+
+  PluginInstance* CreateInstance(PluginDelegate* delegate);
+
+  // Returns "some" plugin instance associated with this module. This is not
+  // guaranteed to be any one in particular. This is normally used to execute
+  // callbacks up to the browser layer that are not inherently per-instance,
+  // but the delegate lives only on the plugin instance so we need one of them.
+  PluginInstance* GetSomeInstance() const;
+
+  const void* GetPluginInterface(const char* name) const;
+
+  // This module is associated with a set of instances. The PluginInstance
+  // object declares its association with this module in its destructor and
+  // releases us in its destructor.
+  void InstanceCreated(PluginInstance* instance);
+  void InstanceDeleted(PluginInstance* instance);
+
+ private:
+  typedef const void* (*PPP_GetInterfaceFunc)(const char*);
+
+  PluginModule(const FilePath& filename);
+
+  bool Load();
+
+  FilePath filename_;
+
+  bool initialized_;
+  base::NativeLibrary library_;
+
+  PPP_GetInterfaceFunc ppp_get_interface_;
+
+  // Non-owning pointers to all instances associated with this module. When
+  // there are no more instances, this object should be deleted.
+  typedef std::set<PluginInstance*> PluginInstanceSet;
+  PluginInstanceSet instances_;
+
+  DISALLOW_COPY_AND_ASSIGN(PluginModule);
+};
+
+}  // namespace pepper
+
+#endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_MODULE_H_