Pepper: PPB_Mojo prototype.

ppapi/proxy/mojo_resource.cc

+// Copyright (c) 2014 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/mojo_resource.h"
+
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/proxy/ppapi_messages.h"
+
+namespace ppapi {
+namespace proxy {
+
+MojoResource::MojoResource(Connection connection, PP_Instance instance)
+    : PluginResource(connection, instance) {
+  SendCreate(BROWSER, PpapiHostMsg_Mojo_Create());
+}
+
+MojoResource::~MojoResource() {
+}
+
+thunk::PPB_Mojo_API* MojoResource::AsPPB_Mojo_API() {
+  return this;
+}
+
+int32_t MojoResource::GetHandle(PP_Instance instance,
+                                uint32_t* out_mojo_handle,
+                                scoped_refptr<TrackedCallback> callback) {
+  Call<PpapiPluginMsg_Mojo_GetHandleReply>(
+      BROWSER,
+      PpapiHostMsg_Mojo_GetHandle(),
+      base::Bind(&MojoResource::GetHandleComplete,
+                 this, out_mojo_handle, callback));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+void MojoResource::GetHandleComplete(uint32_t* out_mojo_handle,
+                                     scoped_refptr<TrackedCallback> callback,
+                                     const ResourceMessageReplyParams& params) {
+  IPC::PlatformFileForTransit transit_file;
+  if (!params.TakeFileHandleAtIndex(0, &transit_file)) {
+    callback->Run(PP_ERROR_FAILED);
+    return;
+  }
+  *out_mojo_handle = transit_file.fd;
+  callback->Run(PP_OK);
+}
+
+}  // namespace proxy
+}  // namespace ppapi