1 files changed, 63 insertions, 0 deletions
diff --git a/ppapi/proxy/host_dispatcher.cc b/ppapi/proxy/host_dispatcher.cc
new file mode 100644
index 0000000..bb70796
--- /dev/null
+++ b/ppapi/proxy/host_dispatcher.cc
@@ -0,0 +1,63 @@
+// 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.
+
+#include "ppapi/proxy/host_dispatcher.h"
+
+#include <map>
+
+#include "base/logging.h"
+#include "ppapi/proxy/host_var_serialization_rules.h"
+
+namespace pp {
+namespace proxy {
+
+namespace {
+
+typedef std::map<PP_Instance, HostDispatcher*> InstanceToDispatcherMap;
+InstanceToDispatcherMap* g_instance_to_dispatcher = NULL;
+
+}  // namespace
+
+HostDispatcher::HostDispatcher(const PPB_Var_Deprecated* var_interface,
+                               PP_Module module,
+                               GetInterfaceFunc local_get_interface)
+    : Dispatcher(local_get_interface) {
+  SetSerializationRules(new HostVarSerializationRules(var_interface, module));
+}
+
+HostDispatcher::~HostDispatcher() {
+}
+
+// static
+HostDispatcher* HostDispatcher::GetForInstance(PP_Instance instance) {
+  if (!g_instance_to_dispatcher)
+    return NULL;
+  InstanceToDispatcherMap::iterator found = g_instance_to_dispatcher->find(
+      instance);
+  if (found == g_instance_to_dispatcher->end())
+    return NULL;
+  return found->second;
+}
+
+// static
+void HostDispatcher::SetForInstance(PP_Instance instance,
+                                    HostDispatcher* dispatcher) {
+  if (!g_instance_to_dispatcher)
+    g_instance_to_dispatcher = new InstanceToDispatcherMap;
+  (*g_instance_to_dispatcher)[instance] = dispatcher;
+}
+
+// static
+void HostDispatcher::RemoveForInstance(PP_Instance instance) {
+  if (!g_instance_to_dispatcher)
+    return;
+  InstanceToDispatcherMap::iterator found = g_instance_to_dispatcher->find(
+      instance);
+  if (found != g_instance_to_dispatcher->end())
+    g_instance_to_dispatcher->erase(found);
+}
+
+}  // namespace proxy
+}  // namespace pp
+