Refactoring of new IPC-only pepper implementation

ppapi/proxy/dispatch_reply_message.h

+// Copyright (c) 2012 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.
+
+// This file provides infrastructure for dispatching host resource reply
+// messages. Normal IPC Reply handlers can't take extra parameters.
+// We want to take a ResourceMessageReplyParams as a parameter.
+
+#ifndef PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_
+#define PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_
+
+#include "base/profiler/scoped_profile.h"  // For TRACK_RUN_IN_IPC_HANDLER.
+#include "ipc/ipc_message_macros.h"
+#include "ppapi/c/pp_errors.h"
+
+namespace ppapi {
+namespace proxy {
+
+struct Context;
+class ResourceMessageReplyParams;
+
+template <class ObjT, class Method>
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple0& arg) {
+  (obj->*method)(params);
+}
+
+template <class ObjT, class Method, class A>
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple1<A>& arg) {
+  return (obj->*method)(params, arg.a);
+}
+
+template<class ObjT, class Method, class A, class B>
+inline int32_t DispatchResourceReply(ObjT* obj, Method method,
+                                     const ResourceMessageReplyParams& params,
+                                     const Tuple2<A, B>& arg) {
+  return (obj->*method)(params, arg.a, arg.b);
+}
+
+template<class ObjT, class Method, class A, class B, class C>
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple3<A, B, C>& arg) {
+  return (obj->*method)(params, arg.a, arg.b, arg.c);
+}
+
+template<class ObjT, class Method, class A, class B, class C, class D>
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple4<A, B, C, D>& arg) {
+  return (obj->*method)(params, arg.a, arg.b, arg.c, arg.d);
+}
+
+template<class ObjT, class Method, class A, class B, class C, class D, class E>
+inline void DispatchResourceReply(ObjT* obj, Method method,
+                                  const ResourceMessageReplyParams& params,
+                                  const Tuple5<A, B, C, D, E>& arg) {
+  return (obj->*method)(params, arg.a, arg.b, arg.c, arg.d, arg.e);
+}
+
+#define PPAPI_DISPATCH_RESOURCE_REPLY(msg_class, member_func) \
+    case msg_class::ID: { \
+        TRACK_RUN_IN_IPC_HANDLER(member_func); \
+        msg_class::Schema::Param p; \
+        if (msg_class::Read(&ipc_message__, &p)) { \
+          ppapi::proxy::DispatchResourceReply( \
+              this, \
+              &_IpcMessageHandlerClass::member_func, \
+              params, p); \
+        }  \
+      }  \
+      break;
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_DISPATCH_REPLY_MESSAGE_H_