1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ppapi/proxy/ppp_instance_private_proxy.h"
6
7#include <algorithm>
8
9#include "ppapi/c/pp_var.h"
10#include "ppapi/c/private/ppp_instance_private.h"
11#include "ppapi/proxy/host_dispatcher.h"
12#include "ppapi/proxy/plugin_dispatcher.h"
13#include "ppapi/proxy/plugin_resource_tracker.h"
14#include "ppapi/proxy/ppapi_messages.h"
15#include "ppapi/shared_impl/proxy_lock.h"
16
17namespace ppapi {
18namespace proxy {
19
20namespace {
21
22PP_Var GetInstanceObject(PP_Instance instance) {
23  Dispatcher* dispatcher = HostDispatcher::GetForInstance(instance);
24  if (!dispatcher->permissions().HasPermission(PERMISSION_PRIVATE))
25    return PP_MakeUndefined();
26
27  ReceiveSerializedVarReturnValue result;
28  dispatcher->Send(new PpapiMsg_PPPInstancePrivate_GetInstanceObject(
29      API_ID_PPP_INSTANCE_PRIVATE, instance, &result));
30  return result.Return(dispatcher);
31}
32
33static const PPP_Instance_Private instance_private_interface = {
34  &GetInstanceObject
35};
36
37}  // namespace
38
39PPP_Instance_Private_Proxy::PPP_Instance_Private_Proxy(Dispatcher* dispatcher)
40    : InterfaceProxy(dispatcher),
41      ppp_instance_private_impl_(NULL) {
42  if (dispatcher->IsPlugin()) {
43    ppp_instance_private_impl_ = static_cast<const PPP_Instance_Private*>(
44        dispatcher->local_get_interface()(PPP_INSTANCE_PRIVATE_INTERFACE));
45  }
46}
47
48PPP_Instance_Private_Proxy::~PPP_Instance_Private_Proxy() {
49}
50
51// static
52const PPP_Instance_Private* PPP_Instance_Private_Proxy::GetProxyInterface() {
53  return &instance_private_interface;
54}
55
56bool PPP_Instance_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
57  if (!dispatcher()->IsPlugin())
58    return false;
59
60  bool handled = true;
61  IPC_BEGIN_MESSAGE_MAP(PPP_Instance_Private_Proxy, msg)
62    IPC_MESSAGE_HANDLER(PpapiMsg_PPPInstancePrivate_GetInstanceObject,
63                        OnMsgGetInstanceObject)
64    IPC_MESSAGE_UNHANDLED(handled = false)
65  IPC_END_MESSAGE_MAP()
66  return handled;
67}
68
69void PPP_Instance_Private_Proxy::OnMsgGetInstanceObject(
70    PP_Instance instance,
71    SerializedVarReturnValue result) {
72  result.Return(dispatcher(),
73                CallWhileUnlocked(ppp_instance_private_impl_->GetInstanceObject,
74                                  instance));
75}
76
77}  // namespace proxy
78}  // namespace ppapi
79