New thunk system for Pepper proxy and implementation

ppapi/proxy/plugin_resource_tracker.cc

 // 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.
 
 #include "ppapi/proxy/plugin_resource_tracker.h"
 
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/serialized_var.h"
+#include "ppapi/shared_impl/tracker_base.h"
 
 namespace pp {
 namespace proxy {
 
 namespace {
 
 // When non-NULL, this object overrides the ResourceTrackerSingleton.
 PluginResourceTracker* g_resource_tracker_override = NULL;
 
+::ppapi::shared_impl::TrackerBase* GetTrackerBase() {
+  return PluginResourceTracker::GetInstance();
+}
+
 }  // namespace
 
 PluginResourceTracker::ResourceInfo::ResourceInfo() : ref_count(0) {
 }
 
 PluginResourceTracker::ResourceInfo::ResourceInfo(int rc,
                                                   linked_ptr<PluginResource> r)
     : ref_count(rc),
       resource(r) {
 }
 
 PluginResourceTracker::ResourceInfo::ResourceInfo(const ResourceInfo& other)
     : ref_count(other.ref_count),
       resource(other.resource) {
+  // Wire up the new shared resource tracker base to use our implementation.
+  ::ppapi::shared_impl::TrackerBase::Init(&GetTrackerBase);
 }
 
 PluginResourceTracker::ResourceInfo::~ResourceInfo() {
 }
 
 PluginResourceTracker::ResourceInfo&
 PluginResourceTracker::ResourceInfo::operator=(
     const ResourceInfo& other) {
   ref_count = other.ref_count;
   resource = other.resource;
@@ skipping 14 matching lines @@
   g_resource_tracker_override = tracker;
 }
 
 // static
 PluginResourceTracker* PluginResourceTracker::GetInstance() {
   if (g_resource_tracker_override)
     return g_resource_tracker_override;
   return Singleton<PluginResourceTracker>::get();
 }
 
+// static
+::ppapi::shared_impl::TrackerBase*
+PluginResourceTracker::GetTrackerBaseInstance() {
+  return GetInstance();
+}
+
 PluginResource* PluginResourceTracker::GetResourceObject(
     PP_Resource pp_resource) {
   ResourceMap::iterator found = resource_map_.find(pp_resource);
   if (found == resource_map_.end())
     return NULL;
   return found->second.resource.get();
 }
 
 PP_Resource PluginResourceTracker::AddResource(
     linked_ptr<PluginResource> object) {
@@ skipping 25 matching lines @@
 }
 
 PP_Resource PluginResourceTracker::PluginResourceForHostResource(
     const HostResource& resource) const {
   HostResourceMap::const_iterator found = host_resource_map_.find(resource);
   if (found == host_resource_map_.end())
     return 0;
   return found->second;
 }
 
+::ppapi::shared_impl::ResourceObjectBase* PluginResourceTracker::GetResourceAPI(
+    PP_Resource res) {
+  ResourceMap::iterator found = resource_map_.find(res);
+  if (found == resource_map_.end())
+    return NULL;
+  return found->second.resource.get();
+}
+
+::ppapi::shared_impl::FunctionGroupBase* PluginResourceTracker::GetFunctionAPI(
+    PP_Instance inst,
+    pp::proxy::InterfaceID id) {
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(inst);
+  if (dispatcher)
+    return dispatcher->GetFunctionAPI(id);
+  return NULL;
+}
+
 void PluginResourceTracker::ReleasePluginResourceRef(
     const PP_Resource& resource,
     bool notify_browser_on_release) {
   ResourceMap::iterator found = resource_map_.find(resource);
   if (found == resource_map_.end())
     return;
   found->second.ref_count--;
   if (found->second.ref_count == 0) {
     // Keep a reference while removing in case the destructor ends up
     // re-entering. That way, when the destructor is called, it's out of the
@@ skipping 12 matching lines @@
             INTERFACE_ID_PPB_CORE, host_resource));
       } else {
         NOTREACHED();
       }
     }
   }
 }
 
 }  // namespace proxy
 }  // namespace pp