New thunk system for Pepper proxy and implementation

webkit/plugins/ppapi/resource_tracker.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_PPAPI_RESOURCE_TRACKER_H_
 #define WEBKIT_PLUGINS_PPAPI_RESOURCE_TRACKER_H_
 
 #include <map>
 #include <set>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
+#include "ppapi/proxy/interface_id.h"
+#include "ppapi/shared_impl/function_group_base.h"
+#include "ppapi/shared_impl/tracker_base.h"
 
 namespace webkit {
 namespace ppapi {
 
 class PluginInstance;
 class PluginModule;
 class Resource;
 class ResourceTrackerTest;
 class Var;
 
 // This class maintains a global list of all live pepper resources. It allows
 // us to check resource ID validity and to map them to a specific module.
 //
 // This object is NOT threadsafe.
-class ResourceTracker {
+class ResourceTracker : public ::ppapi::shared_impl::TrackerBase {
  public:
   // Returns the pointer to the singleton object.
   static ResourceTracker* Get();
 
   // PP_Resources --------------------------------------------------------------
 
   // The returned pointer will be NULL if there is no resource. Note that this
   // return value is a scoped_refptr so that we ensure the resource is valid
   // from the point of the lookup to the point that the calling code needs it.
   // Otherwise, the plugin could Release() the resource on another thread and
   // the object will get deleted out from under us.
   scoped_refptr<Resource> GetResource(PP_Resource res) const;
 
   // Increment resource's plugin refcount. See ResourceAndRefCount comments
   // below.
   bool AddRefResource(PP_Resource res);
   bool UnrefResource(PP_Resource res);
 
   // Returns the number of resources associated with this module.
   uint32 GetLiveObjectsForInstance(PP_Instance instance) const;
 
+  // ResourceTrackerBase.
+  virtual ::ppapi::shared_impl::ResourceObjectBase* GetResourceAPI(
+      PP_Resource res);
+  virtual ::ppapi::shared_impl::FunctionGroupBase* GetFunctionAPI(
+      PP_Instance inst,
+      pp::proxy::InterfaceID id);
+
   // PP_Vars -------------------------------------------------------------------
 
   scoped_refptr<Var> GetVar(int32 var_id) const;
 
   bool AddRefVar(int32 var_id);
   bool UnrefVar(int32 var_id);
 
   // PP_Modules ----------------------------------------------------------------
 
   // Adds a new plugin module to the list of tracked module, and returns a new
@@ skipping 105 matching lines @@
 
   // Tracks all live instances and their associated data.
   typedef std::map<PP_Instance, InstanceData> InstanceMap;
   InstanceMap instance_map_;
 
   // Tracks all live modules. The pointers are non-owning, the PluginModule
   // destructor will notify us when the module is deleted.
   typedef std::map<PP_Module, PluginModule*> ModuleMap;
   ModuleMap module_map_;
 
+  scoped_ptr< ::ppapi::shared_impl::FunctionGroupBase >
+      function_proxies_[::pp::proxy::INTERFACE_ID_COUNT];
+
   DISALLOW_COPY_AND_ASSIGN(ResourceTracker);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_RESOURCE_TRACKER_H_