1 files changed, 102 insertions, 0 deletions
diff --git a/webkit/glue/plugins/pepper_plugin_module.h b/webkit/glue/plugins/pepper_plugin_module.h
new file mode 100644
index 0000000..6bfeccf
--- /dev/null
+++ b/webkit/glue/plugins/pepper_plugin_module.h
@@ -0,0 +1,102 @@
+// 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 <set>
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/native_library.h"
+#include "base/ref_counted.h"
+#include "third_party/ppapi/c/pp_module.h"
+#include "third_party/ppapi/c/ppb.h"
+
+typedef struct _ppb_Core PPB_Core;
+
+namespace pepper {
+
+class PluginDelegate;
+class PluginInstance;
+
+class PluginModule : public base::RefCounted<PluginModule> {
+ public:
+  typedef const void* (*PPP_GetInterfaceFunc)(const char*);
+  typedef int (*PPP_InitializeModuleFunc)(PP_Module, PPB_GetInterface);
+  typedef void (*PPP_ShutdownModuleFunc)();
+
+  struct EntryPoints {
+    EntryPoints()
+        : get_interface(NULL),
+          initialize_module(NULL),
+          shutdown_module(NULL) {
+    }
+
+    PPP_GetInterfaceFunc get_interface;
+    PPP_InitializeModuleFunc initialize_module;
+    PPP_ShutdownModuleFunc shutdown_module;
+  };
+
+  ~PluginModule();
+
+  static scoped_refptr<PluginModule> CreateModule(const FilePath& path);
+  static scoped_refptr<PluginModule> CreateInternalModule(
+      EntryPoints entry_points);
+
+  // Converts the given module ID to an actual module object. Will return NULL
+  // if the module is invalid.
+  static PluginModule* FromPPModule(PP_Module module);
+
+  static const PPB_Core* GetCore();
+
+  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:
+  PluginModule();
+
+  bool InitFromEntryPoints(const EntryPoints& entry_points);
+  bool InitFromFile(const FilePath& path);
+  static bool LoadEntryPoints(const base::NativeLibrary& library,
+                              EntryPoints* entry_points);
+
+  bool initialized_;
+
+  // Holds a reference to the base::NativeLibrary handle if this PluginModule
+  // instance wraps functions loaded from a library.  Can be NULL.  If
+  // |library_| is non-NULL, PluginModule will attempt to unload the library
+  // during destruction.
+  base::NativeLibrary library_;
+
+  // Contains pointers to the entry points of the actual plugin
+  // implementation.
+  EntryPoints entry_points_;
+
+  // 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_