Core PPAPI proxy files. This includes the dispatcher which is the control point

on each end of the IPC channel. It includes the IPC message definitions. It
also includes the base class for the interface proxying, and the core resource
and var tracking.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/4229002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@64869 0039d316-1c4b-4281-b951-d872f2087c98

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
+